Results 261 to 270 of about 10,829 (309)

The impact of evolving mix on building's life cycle environmental impacts under climate change: insights from a London office case study. [PDF]

Int J Life Cycle Assess
Kordilas M, Mumovic D, Schwartz Y, Cooke R, Mordak S.   +4 more
europepmc   +1 more source

Energy and environmental impacts of air-to-air heat pumps in a mid-latitude city. [PDF]

Nat Commun
Meyer D, Schoetter R, van Reeuwijk M.
europepmc   +1 more source

Feasibility of high-resolution DWI of the healthy dental pulp in human using a hybrid TGSE BLADE sequence. [PDF]

Sci Rep
Sittinger MA, Sandner C, Zhou K, Mente J, Lauer A, Özen AC, Vollherbst DF, Breckwoldt MO, Bendszus M, Heiland S, Hilgenfeld T.   +10 more
europepmc   +1 more source

Performance Evaluation of Pure and Mixed Refrigerants in Domestic Refrigerators: Drop-in Replacement of R12

, 1990
Jung, D. S., Radermacher, R.
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Efficiency analysis of home refrigerators by replacing hydrocarbon refrigerants

Measurement, 2009
Abstract The investigation aims to apply the mixture of hydrocarbon refrigerants, R-290 and R-600a with each 50% component ratio, instead of the refrigerant R-134a for home refrigerators. The hydrocarbon refrigerants of R-290 and R-600a are friendly for environmental protection and have good refrigerating behavior in comparison with CFCs, HCFs, or ...
Ching-Song Jwo, Chen-Ching Ting, Wei-Ru Wang   +2 more
openaire   +1 more source

Drop-in replacement in a R134 ejector refrigeration cycle by HFO refrigerants

International Journal of Refrigeration, 2017
Abstract The present work reports a numerical analysis of a single-phase supersonic ejector working with R134a as well as hydrofluoroolefin (HFO) refrigerants R1234yf and R1234ze(E). Comparisons were made regarding the ejector performances under varying operating conditions and refrigerant mixture proportions. The calculations have been then extended
Yu Fang, Sergio Croquer, Sébastien Poncet, Zine Aidoun, Yann Bartosiewicz   +4 more
openaire   +1 more source

Replacement of R12 in Refrigeration Systems

1993
Three aspects of work relating to the replacement of R12 refrigeration and heat pump applications. In the first, the use of non-azeotropic fluid mixtures in a mixture cascade system is discussed and both theoretical and experimental results are presented.
R. Camporese, G. Bigolaro, M. Scattolini, CORTELLA, Giovanni, S. Bobbo   +4 more
openaire   +3 more sources

Investigation of refrigerating system with R12 refrigerant replacements

Applied Thermal Engineering, 2000
This paper deals with the influence of R12 working fluid replacements on energy efficiency and global warming expressed by values of Coefficient of Performance (COP) and Total Equivalent Warming Impact (TEWI). Experimental investigations are presented which relate the use of refrigerants R134a, R401A, R409A, R22 and the mixture of R134a with R12 to the
openaire   +1 more source

Experimental study of new refrigerant mixtures to replace R12 in domestic refrigerators

Applied Thermal Engineering, 2002
Abstract An experimental study on the replacement of R12 in domestic refrigerators by new hydrocarbon/hydrofluorocarbon refrigerant mixtures has been carried out. Parameters and factors, affecting the performance characteristics of these refrigerants, based on experimental data have been compared to those of R12.
B. Tashtoush, M. Tahat, M.A. Shudeifat
openaire   +1 more source