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MODELLING OF HIGH-SPEED JET COOLING ON MICROSCALE

DOI: 10.1615/ICHMT.2017.CHT-7.1470
pages 1377-1380

Tomer Rozenfeld
Dept. of Mechanical Engineering, Ben-Gurion University of the Negev, Beer-Sheva, Israel

Ashwin Kumar Vutha
Department of Mechanical, Aerospace, and Nuclear Engineering, Rensselaer Polytechnic Institute, Troy, NY 12180, United States

Yingying Wang
Department of Mechanical and Aerospace Engineering, University of Central Florida, Orlando, FL 32816, United States

Gennady Ziskind
Heat Transfer Laboratory, Department of Mechanical Engineering, Ben-Gurion University of the Negev, P.O.B. 653, Beer-Sheva 84105, Israel

Yoav Peles
Rensselaer Polytechnic Institute, 110, 8th Street, Troy NY, 12180-3590; University of Central Florida Department of Mechanical and Aerospace Engineering Pegasus Blvd., P.O. Box 162450, Orlando, FL 32816-245012760, USA

Аннотация

In the present work, experimental and numerical studies were performed in order to investigate the cooling performance of a single-phase flow in micro-channel/slot-jet system. A three-dimensional numerical model of jet cooling was developed and implemented using commercial software ANSYS Fluent. The 3D conjugate conduction/convection heat transfer in the micro-channel simulations were used to complement experiments and to obtain detailed flow patterns of the jet, temperature, and heat flux distribution on the heater area, and fluid temperature distribution. The model has been verified in a preliminary study where its time-step and grid independency was established and validated vs. experiments.

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