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R1234ze (E) is regarded as one of the competitive candidates of refrigerants. However its flammability has not been detected out completely. This paper contributed to the fundamental flammable characteristics and influences of R1234ze (E) as well as its blends by mixed with refrigerant R161 (fluoroethane) and R152a (1,1-difluoroethane) theoretically and experimentally. Firstly, the possibility of...
HCFC-22, widely used in variety of refrigerating/heating equipment, has been scheduled to be phased out by Montreal Protocol. This decision will result in significant reduction of ozone depletion and global warming, holding on the climate benefits accrued so far. In this paper, significant focuses were paid on the HCFC-22 elimination policies, advanced technologies, feasibility substitutes, revolutionary...
The LFL (lower flammable limit) and UFL (upper flammable limit) of R1150 were researched experimentally on a self-made test rig according to the Chinese National Standard GB/T12474 under variable temperature and humidity conditions. Results showed that the LFL increased with the decrease of temperature, while the UFL reduced, therefore the flammable range shrank 3.42% from 55 °C to −5 °C. Another...
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