Results 121 to 130 of about 15,890 (250)

Carbon dioxide as the working fluid in heating and/or cooling systems [PDF]

open access: yes, 2003
Despite vigorous research the use of carbon dioxide in the market is still relatively small. This is due to legislation, and technical difficulties of developing efficient, acceptable carbon dioxide ...
Fleming, J.S.
core  

Impact of Refrigerant Charge on Mobile Air Conditioning System with New Heat Exchanger

open access: yesZhileng xuebao, 2011
The industry is always making efforts to reduce the R134a charge with new heat exchanger,which results in the decrease of direct emissions of R134a to the environment.The refrigerant charge in conventional mobile air conditioning system and the mobile ...
doaj   +2 more sources

Performance of hydrocarbon refrigerants in a refrigerator with liquid line magnet and CNT nano-lubricant. [PDF]

open access: yesHeliyon, 2023
Adelekan DS   +5 more
europepmc   +1 more source

Saturated flow boiling in small- to micro- diameter metallic tubes: Experimental results and modeling [PDF]

open access: yes, 2008
Some results of a long-term study of flow boiling patterns, heat transfer rates and pressure drop of R134a at pressures of 6-14 bar in five vertical stainless steel tubes of internal diameter 4.26, 2.88, 2.01, 1.1 and 0.52 mm are presented in this paper.
Karayiannis, TG   +2 more
core  

Analysis and Evaluation of Heat Pipe Efficiency to Reduce Low Emission with the Use of Working Agents R134A, R404A and R407C, R410A [PDF]

open access: gold, 2021
Łukasz Adrian   +11 more
openalex   +1 more source

Simulation Analysis and Experimental Study on R290 Electric Vehicle Compressor as a Substitute of R134a

open access: yesZhileng xuebao
Because the driving method of electric vehicles differs from that of conventional ones, the power sources of electric vehicles can be diversified. The Global Warming Potential (GWP) and Ozone Depletion Potential (ODP) values of the refrigerant R290 are ...
Chen Jianhong   +5 more
doaj  

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