Enhancement in pool boiling performance of GNP/Cu-Al2O3 nano-composite coated copper microporous surface

Biresh Shil,Dipak Sen,Ajoy Kumar Das,Pulak Sen,Sanjib Kalita,Sudev Das

Thermal Science and Engineering Progress（2023）

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摘要

•Results of the pool boiling experiments on GNP/Cu-Al2O3 nanocomposite coated copper surfaces (NCCS) are presented.•Present data are compared with the data obtained from the Rohsenow correlation and other published results.•Dynamics of bubble growth, departure and site density are analyzed through high speed camera.•It is found that CHF and BHTC of the NCCS are 122% and 239% higher than the bare copper surface, respectively.

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关键词

Pool boiling, Electrochemical deposition, Superhydrophilic surface, Surface characterization, CHF, BHTC, Bubble dynamics

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