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Heat transfer of spray cooling using alumina/water nanofluids with full cone nozzles |
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| Authors: | Hana Bellerová Ampere A Tseng Michal Pohanka Miroslav Raudensky |
| Institution: | 1. Heat Transfer and Fluid Flow Laboratory, Faculty of Mechanical Engineering, Brno University of Technology, Technicka 2896/2, 616 69, Brno, Czech Republic 2. School for Engineering of Matter, Transport, and Energy, Arizona State University, 501 E. Tyler Mall, ECG 301, Tempe, AZ, 85287-6106, USA |
| Abstract: | The transient temperatures of a metal testing plate during spray cooling using alumina/water nanofluids were measured. The heat transfer coefficient (HTC) was calculated by an inverse heat-conduction technique using the measured temperatures. The results show a decrease of approximately 20?% of the HTC of spray cooling with the nanoparticle suspension changing from 0 to 16.45?%. The nature and the reason of the HTC deduction were investigated and the HTC correlations with the mass fluxes and nanoparticle fraction were specifically reported. |
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