R-510[A] with 1.24 GWP, R-600a (isobutane) with 3 GWP, R-436B with 3.16 GWP, R-436A with 3.17 GWP, and R-290 (propane) with 3.3 to 9.5 GWP. Methane or R-50 is also an HC refrigerant with a relatively low 28 GWP value. ...
A refrigerant composition consists essentially of: carbon dioxide 10-35%; an HFO selected from the group consisting of: R1234yf, R1234ze(E) and mixtures thereof 45-85%; and R227ea 3-15% wherein the percentages are by mass and are selected from the ranges quoted to total 100%.John ...
LOW GWP REFRIGERANT.LOW GWP REFRIGERANT.The article introduces the new refrigerant HFO-1234yf which is a possible replacement for R-134a. HFO-1234yf is a partially fluorinated olefin and has a low global warming potential (GWP) of 4 in comparison to HFC-134a's GWP of 1430. Although mildly...
Natural refrigerants such as CO2, Propane, Ammonia and Brine have low GWP and ODP, and are proven, future-proof, environmentally friendly refrigerants. Heat pump
Refrigerant composition with low GWP (Global Warming Potential) valueThe invention discloses a refrigerant composition with a low GWP value. The composition consists of 2,3,3,3-tetrafluoropropene(HFO-1234yf), 1,1-difluoroethane (HFC-152a) and dimethyl ether (DME). The preparation method ...
HFO-1234yf low GWP refrigerant LCCP analysis HFO-1234yf is a new low global warming refrigerant that has the potential to be a global sustainable solution for automotive air conditioning. An important... M Koban - 《Sae World Congress》 被引量: 40发表: 2009年 Simulation and Calculation for ...
viscositygwpmixturesrefrigerantliquid制冷剂 Liquidviscosityoflow-GWPrefrigerantmixtures(R32+R1234yf)and (R125+R1234yf) YaguDang a ,TakumiKamiaka b ,ChaobinDang b,⇑ ,EijiHihara b a CollegeofChemicalEngineering,SichuanUniversity,Chengdu,PRChina b GraduateSchoolofFrontierSciences,TheUniversityofTokyo,Tokyo...
Although refrigerants with values of GWP as low as possible are obviously desirable, fluids with GWP100o750 are, for example, permitted under EU regulations in AC systems with o3 kg of refrigerant2. The full list of 138 fluids is given in Supplementary Table 1, which also lists the Tcrit ...
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ODP of the blend is negligible and the GWP value is lower than theRI34. The binary blend can be used as alternate refrigerant for the both CFC;.I2 and HFC-I14a refrigerating systems. A method forproducing cooling which comprises condensink the refrigerant- and thereafter evaporating said ...