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  • 601.
    Andersson, E
    RISE, SP – Sveriges Tekniska Forskningsinstitut, SP Sveriges tekniska forskningsinstitut, SIK – Svenska institutet för konserveringsforskning.
    Sensorisk analys av textur/konsistensegenskaper hos stekburgare innehållande texturerat sojaprotein : [Sensory analysis of texture/consistency in patties containing textured soy protein]1975Report (Refereed)
  • 602.
    Andersson Ersman, Peter
    RISE, Swedish ICT, Acreo, Printed electronics.
    Displays and Transistors Printed on Flexible Substrates and Integrated into Versatile Applications2012In: Large-Area, Organic and Printed Electronics Convention (LOPE-C) 2012 (June 19th-21st), accepted for oral presentation, Munich, Germany, 2012Conference paper (Refereed)
  • 603.
    Andersson Ersman, Peter
    RISE, Swedish ICT, Acreo, Printed electronics.
    Displays and Transistors Printed on Flexible Substrates and Integrated into Versatile Applications2012In: LOPE-C 2012 Conference Proceedings, 2012Conference paper (Other academic)
  • 604.
    Andersson Ersman, Peter
    RISE, Swedish ICT, Acreo, Printed electronics.
    Electrolyte-gated transistors used in printed organic electronic applications2010Conference paper (Refereed)
  • 605.
    Andersson Ersman, Peter
    RISE, Swedish ICT, Viktoria.
    Integration of printed electronic components into versatile systems on flexible substrates2013In: Innovative Printed Smart Objects (IPSO), invited oral presentation, Gardanne, France, 2013Conference paper (Refereed)
    Abstract [en]

    A technology platform based on electrochemical transistors and electrochromic displays printed from organic materials on flexible substrates is presented. The devices are manufactured by using standard printing tools and operated below 3 V, and the device manufacturing is further simplified by that only a small set of materials is employed. Examples of printed electronic systems will be presented, such as active and passive matrix addressed displays, touchless sensor interfaces, secure user authentication applications and a novel approach to obtain reconfigurable systems utilizing self-adhesive active materials.

  • 606.
    Andersson Ersman, Peter
    RISE, Swedish ICT, Viktoria.
    Integration of printed electronic components into versatile systems on flexible substrates2014Conference paper (Refereed)
  • 607.
    Andersson Ersman, Peter
    RISE, Swedish ICT, Acreo, Printed electronics.
    Roll to roll printable technology platform consisting of electrolyte-based components2011Conference paper (Refereed)
  • 608.
    Andersson Ersman, Peter
    et al.
    RISE, Swedish ICT, Acreo, Printed electronics.
    Kawahara, J
    Roll to roll printable technology platform consisting of electrolyte-based components2011Conference paper (Refereed)
  • 609.
    Andersson Ersman, Peter
    et al.
    RISE, Swedish ICT, Acreo.
    Kawahara, J
    Berggren, M
    Printed passive matrix addressed electrochromic displays2013In: Organic electronics, ISSN 1566-1199, E-ISSN 1878-5530, Vol. 14, no 12, p. 3371-3378Article in journal (Refereed)
    Abstract [en]

    Flexible displays are attracting considerable attention as a visual interface for applications such as in electronic papers paper electronics. Passive or active matrix addressing of individual pixels require display elements that include proper signal addressability, which is typically provided by non-linear device characteristics or by incorporating transistors into each pixel. Including such additional devices into each pixel element make manufacturing of flexible displays using adequate printing techniques very hard complicated. Here, we report all-printed passive matrix addressed electrochromic displays (PMAD), built up from a very robust three-layer architecture, which can be manufactured using standard printing tools. Poly(3,4-ethylenedioxythiophene) doped with poly(styrenesulfonate) (PEDOT:PSS) serves as the conducting electrochromic pixel electrodes carbon paste is used as the pixel counter electrodes. These electrodes sandwich self-assembled layers of a polyelectrolyte that are confined to desired pixel areas via surface energy patterning. The particular choice of materials results in a desired current vs. voltage threshold that enables addressability in electronic cross-point matrices. The resulting PMAD operates at less than 3 V, exhibits high colour switch contrast without cross-talk promises for high-volume low-cost production of flexible displays using reel-to-reel printing tools on paper or plastic foils._x000D_

  • 610.
    Andersson Ersman, Peter
    et al.
    RISE - Research Institutes of Sweden, ICT, Acreo.
    Lassnig, Roman
    RISE - Research Institutes of Sweden, ICT, Acreo.
    Strandberg, Jan
    RISE - Research Institutes of Sweden, ICT, Acreo.
    Tu, Deyu
    Linköping University, Sweden.
    Keshmiri, Vahid
    Linköping University, Sweden.
    Forchheimer, Robert
    Linköping University, Sweden.
    Fabiano, Simone
    Linköping University, Sweden.
    Gustafsson, Göran
    RISE - Research Institutes of Sweden, ICT, Acreo.
    Berggren, Magnus
    Linköping University, Sweden.
    All-printed large-scale integrated circuits based on organic electrochemical transistors2019In: Nature Communications, ISSN 2041-1723, E-ISSN 2041-1723, Vol. 10, no 1, article id 5053Article in journal (Refereed)
    Abstract [en]

    The communication outposts of the emerging Internet of Things are embodied by ordinary items, which desirably include all-printed flexible sensors, actuators, displays and akin organic electronic interface devices in combination with silicon-based digital signal processing and communication technologies. However, hybrid integration of smart electronic labels is partly hampered due to a lack of technology that (de)multiplex signals between silicon chips and printed electronic devices. Here, we report all-printed 4-to-7 decoders and seven-bit shift registers, including over 100 organic electrochemical transistors each, thus minimizing the number of terminals required to drive monolithically integrated all-printed electrochromic displays. These relatively advanced circuits are enabled by a reduction of the transistor footprint, an effort which includes several further developments of materials and screen printing processes. Our findings demonstrate that digital circuits based on organic electrochemical transistors (OECTs) provide a unique bridge between all-printed organic electronics (OEs) and low-cost silicon chip technology for Internet of Things applications. © 2019, The Author(s).

  • 611.
    Andersson Ersman, Peter
    et al.
    RISE, Swedish ICT, Acreo.
    Nilsson, D
    Kawahara, J
    Gustafsson, G
    RISE, Swedish ICT, Acreo.
    Berggren, M
    Fast-switching all-printed organic electrochemical transistors2013In: Organic electronics, ISSN 1566-1199, E-ISSN 1878-5530, Vol. 14, no 5, p. 1276-80Article in journal (Refereed)
    Abstract [en]

    Symmetric fast (ˆ¼5 ms) on-to-off off-to-on drain current switching characteristics have been obtained in screen printed organic electrochemical transistors (OECTs) including PEDOT:PSS (poly(3,4-ethylenedioxythiophene) doped with poly(styrene sulfonic acid)) as the active transistor channel material. Improvement of the drain current switching characteristics is made possible by including a carbon conductor layer on top of PEDOT:PSS at the drain electrode that is in direct contact with both the channel the electrolyte of the OECT. This carbon conductor layer suppresses the effects from a reduction front that is generated in these PEDOT:PSS-based OECTs. In the off-state of these devices this reduction front slowly migrate laterally into the PEDOT:PSS drain electrode, which make off-to-on switching slow. The OECT including carbon electrodes was manufactured using only standard printing process steps may pave the way for fully integrated organic electronic systems that operate at low voltages for applications such as logic circuits, sensors active matrix addressed displays._x000D_

  • 612.
    Andersson Ersman, Peter
    et al.
    RISE - Research Institutes of Sweden, ICT, Acreo.
    Westerberg, David
    RISE - Research Institutes of Sweden, ICT, Acreo.
    Tu, Deyu
    Linköping University, Sweden.
    Nilsson, Marie
    RISE - Research Institutes of Sweden, ICT, Acreo.
    Åhlin, Jessica
    RISE - Research Institutes of Sweden, ICT, Acreo.
    Eveborn, Annelie
    RISE - Research Institutes of Sweden, ICT, Acreo.
    Lagerlöf, Axel
    RISE - Research Institutes of Sweden, ICT, Acreo.
    Nilsson, David
    RISE - Research Institutes of Sweden, ICT, Acreo.
    Sandberg, Mats
    RISE - Research Institutes of Sweden, ICT, Acreo.
    Norberg, Petronella
    RISE - Research Institutes of Sweden, ICT, Acreo.
    Berggren, Magnus
    Linköping University, Sweden.
    Forchheimer, Robert
    RISE - Research Institutes of Sweden, ICT, SICS.
    Gustafsson, Göran
    RISE - Research Institutes of Sweden, ICT, Acreo.
    Screen printed digital circuits based on vertical organicelectrochemical transistors2017In: Flex. Print. Electron., Vol. 2, article id 045008Article in journal (Refereed)
    Abstract [en]

    Vertical organic electrochemical transistors (OECTs) have been manufactured solely using screenprinting. The OECTs are based on PEDOT:PSS (poly(3,4-ethylenedioxythiophene) doped with poly(styrene sulfonic acid)), which defines the active material for both the transistor channel and the gateelectrode. The resulting vertical OECT devices and circuits exhibit low-voltage operation, relativelyfast switching, small footprint and high manufacturing yield; the last three parameters are explainedby the reliance of the transistor configuration on a robust structure in which the electrolyte verticallybridges the bottom channel and the top gate electrode. Two different architectures of the verticalOECT have been manufactured, characterized and evaluated in parallel throughout this report. Inaddition to the experimental work, SPICE models enabling simulations of standalone OECTs andOECT-based circuits have been developed. Our findings may pave the way for fully integrated, lowvoltageoperating and printed signal processing systems integrated with e.g. printed batteries, solarcells, sensors and communication interfaces. Such technology can then serve a low-cost basetechnology for the internet of things, smart packaging and home diagnostics applications.

  • 613.
    Andersson, G
    et al.
    RISE, Swedish ICT, Acreo, Sensor Systems.
    Winkler, D
    Mikrosystem – möjligheternas teknik: Om klassificering, metoder och tillämpning2000Book (Other academic)
    Abstract [sv]

    Mikrosystem är ett mycket expansivt område som erbjuder stora möjligheter till effektivisering och miniatyrisering av komplexa produkter. Nya unika egenskaper i samverkan med låga tillverkningskostnader har medfört att mikrosystemtekniken, MST, Microsystems Technology, erövrar såväl existerande produktområden som helt nya, t ex: bilar, flygplan medicinsk teknik, mindetektorer, rymdindustri m fl.

    Denna bok presenterar mikrosystemen och deras möjligheter. Den inleds med en unik marknadsöversikt där olika tillämpningsområdens utveckling och framtid diskuteras. En detaljrik framställning och klassificering av etablerade och kommande mikrosystem bildar en bred kunskapsbank för såväl specialister som oinvigda inom området. För konstruktörer som t ex vill öka sin kunskap om olika kategorier av sensorer förklaras begrepp och funktionsprinciper på ett utförligt sätt. Boken är även en lämplig introduktion till sensorer och mikromekanik på landets alla olika ingenjörsutbildningar.

  • 614. Andersson, Gerd
    et al.
    Bullock, Adrian
    RISE - Research Institutes of Sweden, ICT, SICS.
    Laaksolahti, Jarmo
    RISE, Swedish ICT, SICS, Computer Systems Laboratory.
    Nylander, Stina
    RISE, Swedish ICT, SICS, Software and Systems Engineering Laboratory.
    Olsson, Fredrik
    RISE - Research Institutes of Sweden, ICT, SICS.
    Sjölinder, Marie
    RISE, Swedish ICT, SICS.
    Waern, Annika
    RISE, Swedish ICT, SICS.
    Boman, Magnus
    RISE, Swedish ICT, SICS, Decisions, Networks and Analytics lab.
    Classifying Mobile Services2004Report (Other academic)
    Abstract [en]

    A categorization of telecommunications services is presented, as a deliverable in a project commissioned by TeliaSonera.

  • 615.
    Andersson, GI
    RISE, Swedish ICT, Acreo, Sensor Systems.
    A novel 3-axis monolithic silicon accelerometer1995In: Digest of Techn. Papers, The 8th Int. Conf. on Solid-State Sensors and Actuators, Transducers ‘95/ Eurosensors IX), Volume II, pp. 558-561., 1995Conference paper (Refereed)
    Abstract [en]

    Working prototypes of a novel 3 axis monolithic silicon accelerometer have been manufactured at Chalmers University of Technology in co operation with Saab Combitech AB and the Department of Solid State Electronics. Experience from the prototypes is most encouraging as they have confirmed the theoretical predictions of negligible cross-axis sensitivity. The accuracy in the separation of an arbitrary directed acceleration into acceleration vectors in a Cartesian system of coordinates has shown to be high almost beyond expectation. The accelerometer has good potential to develop into a low cost 3 axis accelerometer in the 0 2 g range with a resolution of about 10 mg. This in part due to the simple manufacturing process.

  • 616.
    Andersson, Gunilla
    et al.
    RISE, SP – Sveriges Tekniska Forskningsinstitut, SP Energi och Bioekonomi, Klimatisering och installationsteknik.
    Axell, Monica
    RISE, SP – Sveriges Tekniska Forskningsinstitut, SP Energi och Bioekonomi, Klimatisering och installationsteknik.
    Tuovinen, Heimo
    SP - Sveriges Tekniska Forskningsinstitut / Brandteknik, forskning (BRf ).
    CFD-modellering av kyldisk - Jämförelse mellan modell och mätningar.1997Report (Refereed)
  • 617. Andersson, Göran
    et al.
    Schouenborg, Björn
    RISE, SP – Sveriges Tekniska Forskningsinstitut, CBI Betonginstitutet AB.
    Utmaningar och innovationer för hållbara städer i fokus i Vinnova-projektet2014In: Movium Direkt, no 8, p. 9-12Article in journal (Other academic)
  • 618. Andersson, H.
    et al.
    Hjartstam, J.
    Stading, Mats
    RISE, SP – Sveriges Tekniska Forskningsinstitut, SP Sveriges tekniska forskningsinstitut, SIK – Institutet för livsmedel och bioteknik.
    Von Corswant, C.
    Larsson, A.
    Effects of molecular weight on permeability and microstructure of mixed ethyl-hydroxypropyl-cellulose films2013In: European Journal of Pharmaceutical Sciences, ISSN 0928-0987, E-ISSN 1879-0720, Vol. 48, no 42006, p. 240-248Article in journal (Refereed)
    Abstract [en]

    Films of ethyl cellulose (EC) and water-soluble hydroxypropyl cellulose (HPC) can be used for extended release coatings in oral formulations. The permeability and microstructure of free EC/HPC films with 30% w/w HPC were studied to investigate effects of EC molecular weight. Phase separation during film spraying and subsequent HPC leaching after immersion in aqueous media cause pore formation in such films. It was found that sprayed films were porous throughout the bulk of the films after water immersion. The molecular weight affected HPC leaching, pore morphology and film permeability; increasing the molecular weight resulted in decreasing permeability. A model to distinguish the major factors contributing to diffusion retardation in porous films showed that the trend in permeability was determined predominantly by factors associated with the geometry and arrangement of pores, independent of the diffusing species. The film with the highest molecular weight did, however, show an additional contribution from pore wall/permeant interactions. In addition, rapid drying and increasing molecular weight resulted in smaller pores, which suggest that phase separation kinetics affects the final microstructure of EC/HPC films. Thus, the molecular weight influences the microstructural features of pores, which are crucial for mass transport in EC/HPC films. © 2012 Elsevier B.V. All rights reserved.

  • 619. Andersson, H.
    et al.
    L.,
    Ellegård, L.
    Grahn, E.
    Tidehag, P.
    Hallmans, G.
    Effect of low-fat milk and fermented low-fat milk on cholesterol absorption and excretion in ileostomy subjects.1995In: European Journal of Clinical Nutrition, Vol. 49, p. 274-281Article in journal (Refereed)
  • 620.
    Andersson, H O
    RISE, SP – Sveriges Tekniska Forskningsinstitut.
    Relevant elements of laboratory competence1998In: Accreditation and Quality Assurance, ISSN 0949-1775, E-ISSN 1432-0517, Vol. 3, no 7, p. 281-283Article in journal (Other academic)
  • 621.
    Andersson, H O
    RISE, SP – Sveriges Tekniska Forskningsinstitut.
    The 20th Nordic conference on metrology and calibration1999In: Accreditation and Quality Assurance, ISSN 0949-1775, E-ISSN 1432-0517, Vol. 4, no 7, p. 313-Article in journal (Other academic)
  • 622.
    Andersson, H O
    RISE, SP – Sveriges Tekniska Forskningsinstitut, SP Bygg och Mekanik, Säkerhet och Funktion.
    The rational use of proficiency tests and intercomparisons1998In: Accreditation and Quality Assurance, ISSN 0949-1775, E-ISSN 1432-0517, Vol. 3, no 6, p. 224-226Article in journal (Other academic)
  • 623. Andersson, H.
    et al.
    Öhgren, Camilla
    RISE, SP – Sveriges Tekniska Forskningsinstitut, SP Sveriges tekniska forskningsinstitut, SIK – Institutet för livsmedel och bioteknik.
    Johansson, Daniel
    RISE, SP – Sveriges Tekniska Forskningsinstitut, SP Sveriges tekniska forskningsinstitut, SIK – Institutet för livsmedel och bioteknik.
    Kniola, Magda
    RISE, SP – Sveriges Tekniska Forskningsinstitut, SP Sveriges tekniska forskningsinstitut, SIK – Institutet för livsmedel och bioteknik.
    Stading, Mats
    RISE, SP – Sveriges Tekniska Forskningsinstitut, SP Sveriges tekniska forskningsinstitut, SIK – Institutet för livsmedel och bioteknik.
    Extensional flow, viscoelasticity and baking performance of gluten-free zein-starch doughs supplemented with hydrocolloids2011In: Food Hydrocolloids, ISSN 0268-005X, E-ISSN 1873-7137, Vol. 25, no 6, p. 1587-1595Article in journal (Refereed)
    Abstract [en]

    Viscoelastic doughs of zein and starch were prepared at 40 °C, above the glass transition temperature of zein. The effects of hydrocolloid supplementation with hydroxypropyl methylcellulose (HPMC) or oat bran with a high content of ?-glucan (28%) were investigated by dynamic measurements in shear, confocal laser scanning microscopy (CLSM) and Hyperbolic Contraction Flow. Zein-starch dough without hydrocolloids exhibited rapid age-related stiffening, believed to be caused by cross-links between peptide chains. A prolonged softness was attributed to doughs containing hydrocolloids, with the oat bran exhibiting the most pronounced reduction in age-related stiffening. Moreover, CLSM-images of dough microstructure revealed that a finer fibre network may be formed by increased shearing through an addition of viscosity-increasing hydrocolloids, a reduction in water content in the dough or the use of appropriate mixing equipment. The Hyperbolic Contraction Flow measurements showed that doughs containing hydrocolloids had high extensional viscosities and strain hardening, suggesting appropriate rheological properties for bread making. Zein-starch dough without hydrocolloids showed poor bread making performance while hydrocolloid additions significantly improved bread volume and height. Although the hydrocolloid supplemented doughs had similar extensional rheological properties and microstructures, a fine crumb structure was attributed only to bread containing HPMC, marking the importance of surface active components in the liquid-gas interface of dough bubble walls. Zein could not mimic the properties of gluten on its own, but hydrocolloids did positively affect the structural and rheological properties of zein, which yielded dough similar to wheat dough and bread with increased volume. © 2011 Elsevier Ltd.

  • 624.
    Andersson, Hans
    SP – Sveriges Provnings- och Forskningsinstitut.
    Användning av osäkerhetsmått hos provningsresultat vid jämförelse med gränsvärden1997Report (Refereed)
  • 625.
    Andersson, Hans
    RISE, SP – Sveriges Tekniska Forskningsinstitut, SP Bygg och Mekanik.
    Assessment of standardized formulas for calculation of J and CTOD1988Report (Refereed)
  • 626.
    Andersson, Hans
    RISE, SP – Sveriges Tekniska Forskningsinstitut, SP Bygg och Mekanik.
    The use of uncertainty estimates in testing.1993Report (Refereed)
  • 627.
    Andersson, Hans
    SP – Sveriges Provnings- och Forskningsinstitut.
    Utvärdering och förslag avseende ett institut för miljödriven företagsutveckling i Sjuhäradsbygden.1997Report (Refereed)
  • 628.
    Andersson, Helene
    et al.
    RISE, SP – Sveriges Tekniska Forskningsinstitut, SP Food and Bioscience. Chalmers University of Technology, Sweden.
    Häbel, Henrike
    Chalmers University of Technology, Sweden.
    Olsson, Anna
    Chalmers University of Technology, Sweden.
    Sandhagen, Sofie
    RISE, SP – Sveriges Tekniska Forskningsinstitut, SP Food and Bioscience. Chalmers University of Technology, Sweden.
    von Corswant, Christian
    AstraZeneca, Sweden.
    Hjärtstam, Johan
    AstraZeneca, Sweden.
    Persson, Michael
    Chalmers University of Technology, Sweden; AkzoNobel, Sweden.
    Stading, Mats
    RISE, SP – Sveriges Tekniska Forskningsinstitut, SP Food and Bioscience, Structure Design. Chalmers University of Technology, Sweden.
    Larsson, Anette
    Chalmers University of Technology, Sweden.
    The influence of the molecular weight of the water-soluble polymer on phase-separated films for controlled release2016In: International Journal of Pharmaceutics, ISSN 0378-5173, E-ISSN 1873-3476, Vol. 511, no 1, p. 223-235Article in journal (Refereed)
    Abstract [en]

    Hydroxypropyl cellulose (HPC) and ethyl cellulose (EC) can be used for extended release coatings, where the water-soluble HPC may act as a pore former. The aim was to investigate the effect of the molecular weight of HPC on the microstructure and mass transport in phase-separated freestanding EC/HPC films with 30% w/w HPC. Four different HPC grades were used, with weight averaged molecular weights (Mw) of 30.0 (SSL), 55.0 (SL), 83.5 (L) and 365 (M) kg/mol. Results showed that the phase-separated structure changed from HPC-discontinuous to bicontinuous with increasing Mw of HPC. The film with the lowest Mw HPC (SSL) had unconnected oval-shaped HPC-rich domains, leaked almost no HPC and had the lowest water permeability. The remaining higher Mw films had connected complex-shaped pores, which resulted in higher permeabilities. The highest Mw film (M) had the smallest pores and very slow HPC leakage, which led to a slow increase in permeability. Films with grade L and SL released most of their HPC, yet the permeability of the L film was three times higher due to greater pore connectivity. It was concluded that the phase-separated microstructure, the level of pore percolation and the leakage rate of HPC will be affected by the choice of HPC Mw grade used in the film and this will in turn have strong impact on the film permeability.

  • 629.
    Andersson, Håkan
    SP - Sveriges Tekniska Forskningsinstitut / Akustik (Eta).
    Kalibrering av accelerometrar med fransräkningsmetoden.1992Report (Refereed)
  • 630.
    Andersson, Håkan
    Akustik (Eta).
    Osäkerhetsanalys för reciprocitetskalibrering av 1" kondensator-mikrofoner1990Report (Refereed)
  • 631.
    Andersson, Håkan
    RISE, SP – Sveriges Tekniska Forskningsinstitut, SP Sveriges tekniska forskningsinstitut, SP Sveriges tekniska forskningsinstitut / Akustik (Eta).
    Round Robin test of an objective method for the determination of the prominence of impulsive sounds and for the impulse adjustment of LAeq. Nordtest project 1516-002000Report (Refereed)
  • 632.
    Andersson, Håkan
    et al.
    RISE, SP – Sveriges Tekniska Forskningsinstitut, SP Sveriges tekniska forskningsinstitut, SP Sveriges tekniska forskningsinstitut / Akustik (Eta).
    Isaksson, Hans
    Werner, Gösta
    RISE, SP – Sveriges Tekniska Forskningsinstitut, SP Mätteknik, Kommunikation.
    Larmanordningar på utryckningsfordon.1991Report (Refereed)
  • 633.
    Andersson, Håkan
    et al.
    RISE, SP – Sveriges Tekniska Forskningsinstitut.
    Wittstock, Volker
    PTB Physikalisch-Technische Bundesanstalt, Germany.
    Traceable sound power measurements in essentially diffuse or free fields2016In: Proceedings of the INTER-NOISE 2016 - 45th International Congress and Exposition on Noise Control Engineering: Towards a Quieter Future, 2016, p. 6783-6792Conference paper (Other academic)
    Abstract [en]

    Current methods for the determination of sound power such as the ISO 3740 series do not have a direct traceability to a primary standard. The different methods are regarded as equal, but they do give results with systematic differences. One task of the European project "EMRP JRP SIB 56 SoundPwr" has been to develop and investigate traceable and consistent methods for sound power measurements in essentially diffuse or free fields. By using a calibrated reference sound source as a traceability source, qualification procedures for setups for sound power determinations in different environments have been investigated. Uncertainty sources such as sound field sampling, directivity, frequency content and impedance of the device under test have been analysed. The results are presented in the contribution.

  • 634.
    Andersson, I. M.
    et al.
    Lund University, Sweden.
    Glantz, M.
    Lund University, Sweden.
    Alexander, M.
    Arla Foods Ingredients Group P/S, Denmark.
    Millqvist-Fureby, Anna
    RISE - Research Institutes of Sweden, Bioscience and Materials, Surface, Process and Formulation.
    Paulsson, M.
    Lund University, Sweden.
    Bergenståhl, B.
    Lund University, Sweden.
    Impact of surface properties on morphology of spray-dried milk serum protein/lactose systems2018In: International Dairy Journal, ISSN 0958-6946, E-ISSN 1879-0143, Vol. 85, p. 86-95Article in journal (Refereed)
    Abstract [en]

    This study investigated milk serum protein concentrate/lactose systems with varying ratios and how the morphology of the spray-dried particles of these systems could be described by the surface properties of the feed as well as the protein surface coverage of the particles. An extrapolation of the surface pressure of the feed to 0.3 s, the approximate time for molecular diffusion in an atomised droplet in the spray-dryer, showed a relationship with the particle morphology. At low protein concentrations (<1%), the particles were almost totally smooth. At higher protein concentrations (≥1%), the particles became dented and ridged, and these tended to become deeper and thicker as the protein concentration increased. It is suggested that the surface pressure of the feed at low protein concentrations is the most prominent surface property, whereas the modulus of elasticity seems to be the most prominent surface property for particle surface deformation at higher protein concentrations.

  • 635.
    Andersson, I. M.
    et al.
    Lund University, Sweden.
    Millqvist-Fureby, Anna
    RISE - Research Institutes of Sweden, Bioscience and Materials, Surface, Process and Formulation.
    Sommertune, Jens
    RISE - Research Institutes of Sweden, Bioscience and Materials, Surface, Process and Formulation.
    Alexander, M.
    Arla Foods Ingredients Group P/S, Denmark.
    Hellström, N.
    Lund University, Sweden.
    Glantz, Maria
    Lund University, Sweden.
    Paulsson, M.
    Lund University, Sweden.
    Bergenståhl, Björn
    Lund University, Sweden.
    Impact of protein surface coverage and layer thickness on rehydration characteristics of milk serum protein/lactose powder particles2019In: Colloids and Surfaces A: Physicochemical and Engineering Aspects, ISSN 0927-7757, E-ISSN 1873-4359, Vol. 561, p. 395-404Article in journal (Refereed)
    Abstract [en]

    Spray-dried powders were produced from milk serum protein concentrate and lactose in varying ratios, and the rehydration characteristics of the powders were evaluated. The dissolution rate was estimated with a flow-cell based technique, and the external and internal distribution of the powder components were evaluated with X-ray photoelectron spectroscopy and confocal Raman microscopy, respectively. The surface of the powder particles is more or less covered by a thin protein layer. A phase segregation between protein and lactose is observed in the interior of the particle resulting in a protein rich layer in the vicinity of the surface. However, the protein layer in the vicinity of the particle surface tends to become thinner as the bulk protein concentration increases in the powders (from 10 to 60% w/w). The time for the spontaneous imbibition to occur show a linear correlation with the protein surface coverage. The dissolution rate of powders containing 0.1% w/w protein is around 60 times faster than for a powder containing 1% w/w protein but the dissolution rate of powders containing 1% and 100% w/w differ only by a factor of 2. Thus, it is suggested that the outer protein layer becomes denser at the interface as the protein content increases in the powders, thereby causing poorer rehydration characteristics of the powders (especially for low protein concentrations 0.1–1% w/w). This insight has relevance for the formulation of whey protein powders with improved rehydration characteristics. © 2018 Elsevier B.V.

  • 636. Andersson, J.
    et al.
    Bosvik, Rolf
    SIK – Svenska institutet för konserveringsforskning.
    von Sydow, Erik
    SIK – Svenska institutet för konserveringsforskning.
    The composition of the essential oil of black currant leaves (Ribes nigrum L.)1963In: Journal of the Science of Food and Agriculture, Vol. 14, no 11, p. 834-840Article in journal (Refereed)
  • 637. Andersson, J.
    et al.
    Lundgren, J.
    Marklund, Magnus
    RISE, SP – Sveriges Tekniska Forskningsinstitut, SP Energy Technology Center.
    Methanol production via pressurized entrained flow biomass gasification: Techno-economic comparison of integrated vs. stand-alone production2014In: Biomass and Bioenergy, ISSN 0961-9534, E-ISSN 1873-2909, Vol. 64, p. 256-268Article in journal (Refereed)
    Abstract [en]

    The main objective with this work was to investigate techno-economically the opportunity for integrated gasification-based biomass-to-methanol production in an existing chemical pulp and paper mill. Three different system configurations using the pressurized entrained flow biomass gasification (PEBG) technology were studied, one stand-alone plant, one where the bark boiler in the mill was replaced by a PEBG unit and one with a co-integration of a black liquor gasifier operated in parallel with a PEBG unit. The cases were analysed in terms of overall energy efficiency (calculated as electricity-equivalents) and process economics. The economics was assessed under the current as well as possible future energy market conditions. An economic policy support was found to be necessary to make the methanol production competitive under all market scenarios. In a future energy market, integrating a PEBG unit to replace the bark boiler was the most beneficial case from an economic point of view. In this case the methanol production cost was reduced in the range of 11-18 Euro per MWh compared to the stand-alone case. The overall plant efficiency increased approximately 7%-units compared to the original operation of the mill and the non-integrated stand-alone case. In the case with co-integration of the two parallel gasifiers, an equal increase of the system efficiency was achieved, but the economic benefit was not as apparent. Under similar conditions as the current market and when methanol was sold to replace fossil gasoline, co-integration of the two parallel gasifiers was the best alternative based on received IRR. © 2014 Elsevier Ltd.

  • 638.
    Andersson, J.
    et al.
    RISE, Swerea, KIMAB.
    Persson, Daniel
    RISE, Swerea, KIMAB.
    Jönsson, D.
    Scania CV, Sweden.
    Tornberg, Malin
    RISE, Swerea, KIMAB.
    Lindh-Ulmgren, Eva
    RISE, Swerea, KIMAB.
    Degradation of carbon fiber reinforced composites induced by galvanic coupling to metallic materials2015In: European Corrosion Congress, EUROCORR 2015, Austrian Society for Metallurgy and Materials (ASMET) , 2015Conference paper (Refereed)
  • 639.
    Andersson, J
    et al.
    RISE - Research Institutes of Sweden, ICT, Viktoria.
    Skoglund, T.
    Sweco Society AB, Sweden.
    Strand, N.
    VTI Swedish National Road and Transport Research Institute, Sweden.
    The Human-Tech Matrix: A Socio-Technical Approach to Evaluation of Automated Transport Systems2019In: Adv. Intell. Sys. Comput., 2019, p. 375-380Conference paper (Refereed)
    Abstract [en]

    An automated transport system has the potential to improve traffic safety and flow, but also to the accessibility and comfort for users of the transport system. Realizing the positive effects with automated transport is about shaping regulatory, organizational and technical systems. Here, appropriate evaluation enables steering efforts in the desired direction. The overall aim of this study was to develop a methodological framework that could identify effects of an automated transport system, and outline methods and metrics for evaluation of these effects. We propose a tentative case-based methodology to define measures of the effects of an automated transport system that will give key stakeholders new possibilities to evaluate research and development projects and efforts connected to automation of the transport system, and thereby manage these in a human-centered direction. © 2019, Springer Nature Switzerland AG.

  • 640. Andersson, J
    et al.
    Stenhamre, H
    Bäckdahl, Henrik
    RISE, SP – Sveriges Tekniska Forskningsinstitut, SP Kemi Material och Ytor, Medicinteknik.
    Gatenholm, P
    Behaviour of human chondrocytes in engineered porous bacterial cellulose scaffolds. J Biomed Mater Res: Part A. 94A2010In: J Biomed Mater Res: Part A., Vol. 94A, no 4, p. 1124-1132Article in journal (Refereed)
  • 641. Andersson, J.
    et al.
    von Sydow, Erik
    SIK – Svenska institutet för konserveringsforskning.
    The aroma of black currants.: 1. Higher boiling compunds1964In: Acta Chemica Scandinavica, ISSN 0904-213X, E-ISSN 1902-3103, Vol. 18, no 5, p. 1105-1114Article in journal (Refereed)
  • 642. Andersson, J.
    et al.
    von Sydow, Erik
    SIK – Svenska institutet för konserveringsforskning.
    The aroma of black currants.: 2. Lower boiling compounds.1966In: Acta Chemica Scandinavica, ISSN 0904-213X, E-ISSN 1902-3103, Vol. 20, no 2, p. 522-528Article in journal (Refereed)
  • 643. Andersson, J.
    et al.
    von Sydow, Erik
    SIK – Svenska institutet för konserveringsforskning.
    The aroma of black currants.: 3. Chemical characterization of different varieties and stages of ripeness by gas chromatography1966In: Acta Chemica Scandinavica, ISSN 0904-213X, E-ISSN 1902-3103, Vol. 20, no 2, p. 529-535Article in journal (Refereed)
  • 644.
    Andersson, J Y
    et al.
    RISE, Swedish ICT, Viktoria.
    Höglund, L
    Noharet, B
    Wang, Q
    RISE, Swedish ICT, Acreo.
    Ericsson, P
    Wissmar, S
    Asplund, C
    Malm, H
    Martijn, H
    Hammar, M
    Gustafsson, O
    Hellström, S
    Radamson, H
    Holtz, PO
    Quantum structure based infrared detector research development within 874750’s centre of excellence IMAGIC2010In: Infrared physics & technology, ISSN 1350-4495, E-ISSN 1879-0275, Vol. 53, p. 227-30Article in journal (Refereed)
  • 645.
    Andersson, Jan-Erik
    RISE, SP – Sveriges Tekniska Forskningsinstitut, SP Hållbar Samhällsbyggnad.
    Optimering och segmentering av tryckluftssystem2016Report (Refereed)
  • 646.
    Andersson, Jan-Erik
    Förädling och processer (TRf).
    Utvärdering av tork2013Report (Refereed)
  • 647.
    Andersson, Jan-Erik
    et al.
    RISE, SP – Sveriges Tekniska Forskningsinstitut, SP Sveriges tekniska forskningsinstitut, SP – Sveriges Tekniska Forskningsinstitut / Förädling och processer (TRf).
    Lycken, Anders
    RISE, SP – Sveriges Tekniska Forskningsinstitut, SP Sveriges tekniska forskningsinstitut, SP Trä.
    Nordman, Roger
    RISE, SP – Sveriges Tekniska Forskningsinstitut, SP Energi och Bioekonomi, Klimatisering och installationsteknik.
    Olsson, Marcus
    RISE, SP – Sveriges Tekniska Forskningsinstitut, SP Energi och Bioekonomi, Klimatisering och installationsteknik.
    Räftegård, Oskar
    RISE, SP – Sveriges Tekniska Forskningsinstitut, SP Energi och Bioekonomi, Klimatisering och installationsteknik.
    Wamming, Thomas
    RISE, SP – Sveriges Tekniska Forskningsinstitut, SP Sveriges tekniska forskningsinstitut, SP Trä.
    State of the art – Energianvändning i den svenska sågverksindustrin2011Report (Refereed)
  • 648.
    Andersson, Jan-Erik
    et al.
    RISE, SP – Sveriges Tekniska Forskningsinstitut.
    Nordman, Roger
    RISE, SP – Sveriges Tekniska Forskningsinstitut.
    Vikberg, Tommy
    Luleå Technical University, Sweden.
    Energy mapping in the sawmill industry with focus on drying kilns2013Conference paper (Other academic)
    Abstract [en]

    The forest industry stands for approximately 11 % of Sweden’s total export. However, the forest industry is energy intensive. In 2008, sawmill industry alone consumed almost 8,7 TWh of energy, corresponding to 5 % of the Swedish industries total energy consumption. Out of their total consumption, 2200 GWh was electric power, 194 GWh heating oil , 4229 GWh bio-fuel, 574 GWh district heating, and other fuels such as diesel 1503 GWh [1].The project ”EESI- Energy Efficiency in the Sawmill Industry” was started in the spring of 2010 with the aim of demonstrating the possibilities to reduce the energy consumption in the sawmill industry with 20 % by 2020. 16 sawmill corporations and 14 equipment suppliers has joined the project which is carried out in two phases of which the first phase was carried out during 2010 and 2011. EESI has now reached half time and the first energy-saving implementations have been completed at the participating sawmills.This paper presents the energy-mapping, measurements and modelling performed by the participating sawmills during the first phase of the project [2, 3]. The average energy consumption per sawn cubic metre of boards varied between approximately 300 to 500 kWh/m3. Out of this, the electricity consumption was on average 85 kWh/m3, bio-fuel 290 kWh/m3 and diesel 1.8 l/m3.However, the main concern from sawmills regarding energy consumption was the wood drying process. The striking results from the preliminary measurements were the large variation in energy consumption even with similar drying kilns. This was especially apparent for the heat consumption in kiln dryers which could vary as much as 50 % for the same dimension of spruce planks.The results from the first phase of the project resulted in a large number of actions in order to reduce the energy consumption which are now being implemented or have already been completed. Examples of those actions are: simplified management system adapted to sawmills, weighing of packages for more accurate wood drying, reduced speed or intermittent operation of the air circulating fans in batch kilns and moisture content measurements of bio-fuel.References[1] Statistiska centralbyrån (SCB), 2013, Industrins årliga energianvändning 2011, Slutliga uppgifter, EN23SM1301, ISSN 1654-367X. (In Swedish). [2] Andersson, J-E., Lycken, A., Nordman, R., Olsson, M., Räftegård, O., and Wamming, T. State of the art – Energianvändning i den svenska sågverksindustrin. SP Rapport 2011:42, ISBN 978-91-86622-72-5. (In Swedish).[3] Andersson, J-E., Räftegård, O., Lycken, A., Olsson, M., Wamming, T., and Nordman, R. Sammanställning av energimätningar från EESI fas 1. SP Rapport 2011:41, ISBN 978-91-86622-71-8. (In Swedish).

  • 649.
    Andersson, Jan-Erik
    et al.
    Förädling och processer (TRf).
    Persson, Fredrik
    Förädling och processer (TRf).
    Kondenspanel och mittinblås för jämnare torkresultat2016Report (Refereed)
  • 650.
    Andersson, Jan-Erik
    et al.
    Förädling och processer (TRf).
    Räftegård, Oskar
    RISE, SP – Sveriges Tekniska Forskningsinstitut, SP Energi och Bioekonomi, Klimatisering och installationsteknik.
    Torkhus energijämförelse i praktiken – Sävar2016Report (Refereed)
10111213141516 601 - 650 of 21755
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