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Thermal Sciences 2004. Proceedings of the ASME - ZSIS International Thermal Science Seminar II
June, 13-16, 2004, Bled, Slovenia

DOI: 10.1615/ICHMT.2004.IntThermSciSemin


ISBN Print: 978-9-61913-930-1

A Note on Heat Transfer Enhancement of Impinging Jets

pages 969-974
DOI: 10.1615/ICHMT.2004.IntThermSciSemin.1230
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摘要

The variations of flow structure and heat transfer characteristics of impinging gas jets with respective to mesh solidity are compared for two mesh screen locations at smaller nozzle-to-plate spacing. Results show that the uniform incoming flow structure produces higher heat transfer rate in the impingement region. The heat transfer enhancement largely depends on nozzle-to-plate spacing, mesh solidity and jet Reynolds number. The mechanism is analyzed in light of field synergy principle.

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