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Comparison of R404A condensation heat transfer and pressure drop with low global warming potential replacement candidates R448A and R452A

Creator:

Jacob, Tabeel A., Matty, Ethan P., and Fronk, Brian M.

Abstract:

The objective of this paper was to measure and compare the heat transfer coefficient and pressure drop of R404A and two potential replacement candidate refrigerants with a lower global warming potential, R448A and R452A. Experiments were conducted inside a 4.7 mm horizontal tube at mass fluxes ranging from 100 to...

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Article

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Drop with Low Global Warming Potential Replacement Candidates R448A and R452A Tabeel A. Jacob, Ethan
Experimental Investigation of In-Tube Condensation of Low GWP Refrigerant R450A using a Fiber Optic Distributed Temperature Sensor

Creator:

Jacob, Tabeel A., Matty, Ethan P., and Fronk, Brian M.

Abstract:

Heat transfer coeﬃcients and frictional pressure drop values are experimentally measured during condensation of R134a and its proposed low global warming potential (GWP) replacement, R450A. R450A is a non-ﬂammable zeotropic mixture of R134a and R1234ze (42/58% by mass). Experiments were conducted in a horizontal tube (ID = 4.7 mm) for...

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Article

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Refrigerant R450A using a Fiber Optic Distributed Temperature Sensor Tabeel A. Jacob, Ethan P Matty, Brian M