WORKING FLUID FOR HEAT CYCLE, COMPOSITION FOR HEAT CYCLE SYSTEM AND HEAT CYCLE SYSTEM
A working fluid for a heat cycle, contains: trifluoroethylene; and a first component consisting of at least one of substance selected from carbon dioxide, fluoromethane, trifluoroiodomethane, methane, ethane, propane, helium, neon, argon, krypton, xenon, nitrogen and ammonia.
1 . A working fluid for a heat cycle, comprising:
trifluoroethylene; and
a first component consisting of at least one of substance selected from carbon dioxide and fluoromethane.
2 . The working fluid for the heat cycle according to claim 1 , wherein the first component includes the carbon dioxide.
3 . The working fluid for the heat cycle according to claim 1 , wherein the first component includes the fluoromethane.
4 . The working fluid for the heat cycle according to claim 1 , wherein a ratio of a total amount of the trifluoroethylene and the first component with respect to an entire amount of the working fluid for the heat cycle is over 90 mass % and 100 mass % or less, and a ratio of an amount of the trifluoroethylene with respect to the total amount of the trifluoroethylene and the first component is 20 mass % or more and 95 mass % or less.
5 . The working fluid for the heat cycle according to claim 2 , wherein a ratio of a total amount of the trifluoroethylene and the carbon dioxide with respect to an entire amount of the working fluid for the heat cycle is over 90 mass % and 100 mass % or less, and a ratio of an amount of the trifluoroethylene with respect to the total amount of the carbon dioxide and the propane is 70 mass % or more and 80 mass % or less.
6 . The working fluid for the heat cycle according to claim 3 , wherein a ratio of a total amount of the trifluoroethylene and the fluoromethane with respect to an entire amount of the working fluid for the heat cycle is over 90 mass % and 100 mass % or less, and a ratio of an amount of the trifluoroethylene with respect to the total amount of the fluoromethane and the propane is 20 mass % or more and 80 mass % or less.
7 . The working fluid for the heat cycle according to claim 1 , further comprising:
a second component selected from the group consisting of hydrofluorocarbon where fluoromethane is excluded and hydrofluoroolefin where trifluoroethylene is excluded,
wherein the hydrofluorocarbon and the hydrofluoroolefin have a global warming potential (100 years) in the Intergovernmental Panel on Climate Change (IPCC) Fourth Assessment Report of 2000 or less.
8 . The working fluid for the heat cycle according to claim 7 , wherein the second component is at least one of 2,3,3,3-tetrafluoropropene, 1,3,3,3-tetrafluoropropene or difluoromethane.
9 . The working fluid for the heat cycle according to claim 7 , wherein the second component is difluoromethane.
10 . The working fluid for the heat cycle according to claim 7 , wherein the second component is 2,3,3,3-tetrafluoropropene.
11 . The working fluid for the heat cycle according to claim 7 , wherein the second component is 1,3,3,3-tetrafluoropropene.
12 . The working fluid for the heat cycle according to claim 7 , wherein a ratio of a total amount of the trifluoroethylene, the first component and the second component with respect to an entire amount of the working fluid for the heat cycle is over 90 mass % and 100 mass % or less, a ratio of an amount of the trifluoroethylene with respect to the total amount of the trifluoroethylene, the first component and the second component is 10 mass % or more and 90 mass % or less, a ratio of an amount of the first component with respect to the total amount of the trifluoroethylene, the first component and the second component is 1 mass % or more and 50 mass % or less, and a ratio of an amount of the second component with respect to the total amount of the trifluoroethylene, the first component and the second component is 1 mass % or more and 70 mass % or less.
13 . The working fluid for the heat cycle according to claim 7 , wherein a ratio of a total amount of the trifluoroethylene, the carbon dioxide and the second component with respect to an entire amount of the working fluid for the heat cycle is over 90 mass % and 100 mass % or less, a ratio of an amount of the trifluoroethylene with respect to the total amount of the trifluoroethylene, the carbon dioxide and the second component is 10 mass % or more and 90 mass % or less, a ratio of an amount of the carbon dioxide with respect to the total amount of the trifluoroethylene, the carbon dioxide and the second component is 1 mass % or more and 50 mass % or less, and a ratio of an amount of the second component with respect to the total amount of the trifluoroethylene, the carbon dioxide and the second component is 1 mass % or more and 70 mass % or less.
14 . The working fluid for the heat cycle according to claim 9 , wherein a ratio of a total amount of the trifluoroethylene, the carbon dioxide and the difluoromethane with respect to an entire amount of the working fluid for the heat cycle is over 90 mass % and 100 mass % or less, a ratio of an amount of the trifluoroethylene with respect to the total amount of the trifluoroethylene, the carbon dioxide and the difluoromethane is 10 mass % or more and 90 mass % or less, a ratio of an amount of the carbon dioxide with respect to the total amount of the trifluoroethylene, the carbon dioxide and the difluoromethane is 1 mass % or more and 50 mass % or less, and a ratio of an amount of the difluoromethane with respect to the total amount of the trifluoroethylene, the carbon dioxide and the difluoromethane is 1 mass % or more and 29 mass % or less.
15 . The working fluid for the heat cycle according to claim 10 , wherein a ratio of a total amount of the trifluoroethylene, the carbon dioxide and the 2,3,3,3-tetrafluoropropene with respect to an entire amount of the working fluid for the heat cycle is over 90 mass % and 100 mass % or less, a ratio of an amount of the trifluoroethylene with respect to the total amount of the trifluoroethylene, the carbon dioxide and the 2,3,3,3-tetrafluoropropene is 10 mass % or more and 90 mass % or less, a ratio of an amount of the carbon dioxide with respect to the total amount of the trifluoroethylene, the carbon dioxide and the 2,3,3,3-tetrafluoropropene is 1 mass % or more and 50 mass % or less, and a ratio of an amount of the 2,3,3,3-tetrafluoropropene with respect to the total amount of the trifluoroethylene, the carbon dioxide and the 2,3,3,3-tetrafluoropropene is 1 mass % or more and 70 mass % or less.
16 . The working fluid for the heat cycle according to claim 11 , wherein a ratio of a total amount of the trifluoroethylene, the carbon dioxide and the 1,3,3,3-tetrafluoropropene with respect to an entire amount of the working fluid for the heat cycle is over 90 mass % and 100 mass % or less, a ratio of an amount of the trifluoroethylene with respect to the total amount of the trifluoroethylene, the carbon dioxide and the 1,3,3,3-tetrafluoropropene is 10 mass % or more and 90 mass % or less, a ratio of an amount of the carbon dioxide with respect to the total amount of the trifluoroethylene, the carbon dioxide and the 1,3,3,3-tetrafluoropropene is 1 mass % or more and 50 mass % or less, and a ratio of an amount of the 1,3,3,3-tetrafluoropropene with respect to the total amount of the trifluoroethylene, the carbon dioxide and the 1,3,3,3-tetrafluoropropene is 1 mass % or more and 70 mass % or less.
17 . A heat cycle system, comprising:
the working fluid of claim 1 .
18 . The heat cycle system according to claim 17 , wherein the heat cycle system is a refrigerating apparatus, an air-conditioning apparatus, a power generation system, a heat transport apparatus or a secondary cooling machine.