2024
DOI: 10.1002/htj.23235
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Experimental Investigation of Pool Boiling Heat Transfer on Cu─Al2O3 Composite Coated Patterned Surfaces Using Refrigerant R‐134a

Ajay D. Pingale,
Govind Waghmare,
Anil S. Katarkar
et al.

Abstract: The present study investigates pool boiling heat transfer (PBHT) of R‐134a on Cu─Al2O3 composite‐coated patterned surfaces (CPSI, CPSII, CPSIII, and CPSIV). Using a wire EDM method, four different types of copper patterned surfaces (PSI, PSII, PSIII, and PSIV) were manufactured. Comparing the heat transfer coefficients (HTCs) of the Cu─Al2O3 composite‐coated patterned surfaces to the uncoated Cu surfaces, a notable enhancement was observed. The maximum HTC improvements of 162%, 178%, 189%, and 211% were observ… Show more

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