A mixture alternative refrigerant to HCFC-22 named THR03 was developed by us.The calculation results of THR03 was compared with HCFC-22 and other alternatives. The standard A/C performance test for THR03 and HCFC-22 i...A mixture alternative refrigerant to HCFC-22 named THR03 was developed by us.The calculation results of THR03 was compared with HCFC-22 and other alternatives. The standard A/C performance test for THR03 and HCFC-22 in the same air conditioner was done. The flammability and the material compatibility test are also discussed in this paper. It shows that THR03 has zero ODP, low GWP value, non toxicity, non flammability, and good thermal performance. The thermal parameters of THR03 such as the operating temperatures,pressures and volumetric capacity are close to those of HCFC-22. Therefore, THR03 can be applied directly to existing and new air conditioner as "drop-in" alternative.展开更多
This paper reports the PVT x properties of R22/R152a system in the ranges of temperature from 298.15K to 353.15K and pressure from 0.288 MPa to 1.288 MPa. Sixty seven PVT x measurements for three compositions, i...This paper reports the PVT x properties of R22/R152a system in the ranges of temperature from 298.15K to 353.15K and pressure from 0.288 MPa to 1.288 MPa. Sixty seven PVT x measurements for three compositions, i.e., 0.2712, 0.4094 and 0.7911 mole fraction of R22, have been measured along 16 isotherms. The uncertainties of temperature and pressure measurements are less than ±0.01K and ±500 Pa respectively. The reliability of the experimental measurements is confirmed by the CSD equation.展开更多
This paper reports the PVTx properties of R22/R152a system in the ranges of temperature from 298.15 K to 353.15 K and pressure from 0.288 MPa to 1.288 MPa. Sixty seven PVTx measurements for three compositions, i.e., 0...This paper reports the PVTx properties of R22/R152a system in the ranges of temperature from 298.15 K to 353.15 K and pressure from 0.288 MPa to 1.288 MPa. Sixty seven PVTx measurements for three compositions, i.e., 0.2712, 0.4094 and 0.7911 mole fraction of R22, have been measured along 16 isotherms. The uncertainties of temperature and pressure measurements are less than 0.01 K and ±500 Pa respectively. The reliability of the experimental measurements is confirmed by using REFPROP program, a computer program suggested by Morrison et al[4].展开更多
文摘A mixture alternative refrigerant to HCFC-22 named THR03 was developed by us.The calculation results of THR03 was compared with HCFC-22 and other alternatives. The standard A/C performance test for THR03 and HCFC-22 in the same air conditioner was done. The flammability and the material compatibility test are also discussed in this paper. It shows that THR03 has zero ODP, low GWP value, non toxicity, non flammability, and good thermal performance. The thermal parameters of THR03 such as the operating temperatures,pressures and volumetric capacity are close to those of HCFC-22. Therefore, THR03 can be applied directly to existing and new air conditioner as "drop-in" alternative.
文摘This paper reports the PVT x properties of R22/R152a system in the ranges of temperature from 298.15K to 353.15K and pressure from 0.288 MPa to 1.288 MPa. Sixty seven PVT x measurements for three compositions, i.e., 0.2712, 0.4094 and 0.7911 mole fraction of R22, have been measured along 16 isotherms. The uncertainties of temperature and pressure measurements are less than ±0.01K and ±500 Pa respectively. The reliability of the experimental measurements is confirmed by the CSD equation.
文摘This paper reports the PVTx properties of R22/R152a system in the ranges of temperature from 298.15 K to 353.15 K and pressure from 0.288 MPa to 1.288 MPa. Sixty seven PVTx measurements for three compositions, i.e., 0.2712, 0.4094 and 0.7911 mole fraction of R22, have been measured along 16 isotherms. The uncertainties of temperature and pressure measurements are less than 0.01 K and ±500 Pa respectively. The reliability of the experimental measurements is confirmed by using REFPROP program, a computer program suggested by Morrison et al[4].
