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International Journal of Fluid Mechanics Research
ESCI SJR: 0.206 SNIP: 0.446 CiteScore™: 0.5

ISSN Imprimir: 2152-5102
ISSN On-line: 2152-5110

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International Journal of Fluid Mechanics Research

DOI: 10.1615/InterJFluidMechRes.v25.i4-6.250
pages 730-741

Results of a Single Phase Venturi Flow Cooling Experiment

Je-Chin Han
Turbine Heat Transfer Laboratory, Department of Mechanical Engineering, Texas A&M University College Sation, TX 77843-3123, USA
Rengasamy Ponnappan
Universal Energy Systems, Inc., Dayton, OH 45432 USA
J. E. Leiand
Wright Laboratory, Wright-Patterson Air Force Base, USA
Won Soon Chang
Wright Laboratory, Wright-Patterson At Force Base, OH 45433-6563, USA
Jerry E. Beam
Aerospace Power Division, Wright-Patterson Air Force Base, OH 45433

RESUMO

A new approach called "venturi flow cooling concept" is described. Single phase fluid flow in a circular tube is forced through a short annular throat section creating high velocity in order to enhance wall heat transfer. Experiments were performed in a 3.33 cm dia. test section with water. Results show a three to four-fold increase in average wall-to-fluid heat transfer coefficient for the venturi flow compared to the circular flow. This concept has a potential application in cooling solid state switching devices such as MCTs which have power dissipation of the order of 200 W/cm2.


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