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R. Experimental study of R452B and R454B as drop-in replacement for R410A in split heat pumps having tube-fin and microchannel heat exchangers. Appl. Therm. Eng. 5(204), 117930 (2022). Article Google Scholar Chen, Y., Shen, C., Shi, M. & Peterson, G. P. Visualization study ...
According to this methodology, the Chisholm parameter, C may experience alternations from 5 to 20, depending on the flow regime. Sun and Mishima34developed a correlation for FPD in mini/micro channels based on Chisholm method, in whichRe_{l}andRe_{v} = 2000were defined as the transition poi...
This vacuum state is maintained for 30 min to confirm the absence of any form of gas in the test loop. This procedure is repeated each time the test section is altered and can also be applied directly to the test section. 3.2. Test Line Figure 2 displays the design of the test line,...