The historical and current concentration of CO2 in the atmosphere analyzed and anew method to evaluate greenhouse effect-TEWI introduced in thes paper.The results of calculation indicates that environmental acceptable...The historical and current concentration of CO2 in the atmosphere analyzed and anew method to evaluate greenhouse effect-TEWI introduced in thes paper.The results of calculation indicates that environmental acceptable refrigerants such as R600a and Rl52ahave important significance for decreasing global warming with lower GWP and higher COP.展开更多
This paper analyzes the relationship between pressure ratio and volumetric of refrigerats while sieving the available replacement for R12. It is concluded that the actual volumetric capacity of refrigerants should be ...This paper analyzes the relationship between pressure ratio and volumetric of refrigerats while sieving the available replacement for R12. It is concluded that the actual volumetric capacity of refrigerants should be comparable to that of precent refigerants, which is proved by correspondent experimental research. Then several optimum formula and matched principles are given.展开更多
文摘The historical and current concentration of CO2 in the atmosphere analyzed and anew method to evaluate greenhouse effect-TEWI introduced in thes paper.The results of calculation indicates that environmental acceptable refrigerants such as R600a and Rl52ahave important significance for decreasing global warming with lower GWP and higher COP.
文摘This paper analyzes the relationship between pressure ratio and volumetric of refrigerats while sieving the available replacement for R12. It is concluded that the actual volumetric capacity of refrigerants should be comparable to that of precent refigerants, which is proved by correspondent experimental research. Then several optimum formula and matched principles are given.
