Ulf Jarfelt

Publikationer (15)
Projekt (0)

Visar 15 publikationer

2006

Thermal conductivity of polyurethane foam - Best performance

Ulf Jarfelt, Olle Jerker Ramnäs

10th International Symposium on District Heating and Cooling

Paper i proceeding

2006

Insulating performance of flexible pipes

Camilla Persson, Ulf Jarfelt, Olle Jerker Ramnäs et al

10th International Symposium on District Heating and Cooling

Artikel i vetenskaplig tidskrift

2006

PET and PUR foam insulated District Heating Pipes

Sara Mangs, Olle Jerker Ramnäs, Camilla Persson et al

Euroheat and Power/Fernwarme International. Vol. 3 (1), p. 26-31

Artikel i övrig tidskrift

2005

Mass transport of cell gases in carbon dioxide blown PET (polyethylene terephthtalate) foam insulation

Sara Mangs, Olle Jerker Ramnäs, Ulf Jarfelt

Cellular Polymers. Vol. 24, p. 115-126

Artikel i vetenskaplig tidskrift

2004

PET (polyethylene terephthtalate) foam as insulation material for district heating pipes

Sara Mangs, Olle Jerker Ramnäs, Ulf Jarfelt

Proceedings of The 9th International Symposium on District Heating and Cooling, Espoo Finland, August 30-31, 2004

Paper i proceeding

2002

Fuktdiffusion i plaströrssystem

Bergström Gunnar, Stefan Forsaeus Nilsson, Ulf Jarfelt et al

Rapport

2002

Comparison of Long-Term Thermal Performance of Polyurethane Foam Blown with HFC-365mfc and Cyclopentane

Ulf Jarfelt, Camilla Holmgren, Stefan Forsaeus Nilsson et al

Polyurethanes Conference 2002

Poster (konferens)

2002

Diffusion of cyclopentane in polyurethane foam at different temperatures and implications for district heating pipes

Maria E. Olsson, Ulf Jarfelt, Morgan Fröling et al

Journal of Cellular plastics. Vol. 38, p. 177-188

Artikel i vetenskaplig tidskrift

2002

Environmental aspects on heat losses from district heating pipes a comparison between single and twin pipes

Morgan Fröling, Sara Mangs, Olle Jerker Ramnäs et al

8th International Symposium on District Heating and Cooling, August 14-16, 2002, Trondheim, Norway

Övrigt konferensbidrag

2002

Transport of 1,1,1,3,3-pentafluorobutane (HFC-365mfc) in rigid polyurethane foam and polyethylene

Sara Mangs, Morgan Fröling, Olle Jerker Ramnäs et al

Cellular Polymers. Vol. 21, p. 155-164

Artikel i vetenskaplig tidskrift

2001

The polyethylene casing as diffusion barrier for polyurethane insulated district heating pipes

Morgan Fröling, Olle Jerker Ramnäs, Maria Olsson et al

Cellular Polymers. Vol. 20 (1), p. 37-47

Artikel i vetenskaplig tidskrift

1999

Insulation of district heating pipes - Environmental aspects of the blowing agent of polyurethane foam.

Morgan Fröling, Ulf Jarfelt, Olle Jerker Ramnäs

7th International Symposium on District Heating and Cooling, May 18-20, 1999, Lund, Sweden

Övrigt konferensbidrag

1999

Carbon Dioxide Diffusion in District Heating Pipes

Magdalena Svanström, Morgan Fröling, Olle Jerker Ramnäs et al

Cellular Polymers. Vol. 18, p. 103-115

Artikel i vetenskaplig tidskrift

1997

Determination of effective diffusion coefficients in rigid polyurethane foam

Magdalena Svanström, Olle Jerker Ramnäs, Maria Olsson et al

Cellular Polymers. Vol. 16, p. 182-193

Artikel i vetenskaplig tidskrift

1997

Mass transfer of carbon dioxide through the polyethylene casing of district heating pipes

Magdalena Svanström, Olle Jerker Ramnäs, Maria E. Olsson et al

Journal of Thermal Insulation and Building Envelopes. Vol. 21, p. 171-184

Artikel i vetenskaplig tidskrift

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