Experimental research on condensation of R134a and R404A refrigerants in tubular mini-channels during impulsive instabilities. Part II
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DOI: 10.1016/j.ijheatmasstransfer.2018.09.044
Abstract: Abstract The following paper presents the results of experimental research on the condensation of R134a and R404A refrigerants in horizontal tubular mini-channels during impulsive hydrodynamic instabilities. Due to the complexity of the problem, it will… read more here.
Keywords: r404a refrigerants; r134a r404a; condensation; condensation r134a ... See more keywords
Failure analysis of condensing units for refrigerators with refrigerant R134a, R404A
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DOI: 10.1016/j.ijrefrig.2018.11.028
Abstract: Abstract The article deals with analysis of defects of condensing units for refrigerators with R134a, R404A refrigerant, which caused frequent complaints to the company. Up to 30% of the claims related to a valve of… read more here.
Keywords: r134a r404a; analysis; condensing units; analysis condensing ... See more keywords
Analysis and Evaluation of Heat Pipe Efficiency to Reduce Low Emission with the Use of Working Agents R134A, R404A and R407C, R410A
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DOI: 10.3390/en14071926
Abstract: This paper presents an analysis of methods to increase the efficiency of heat transfer in heat exchangers. The scope of the research included analysis of efficiency optimization using the example of two tubular heat exchanger… read more here.
Keywords: working agents; r134a r404a; heat; r404a r407c ... See more keywords