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ISSN 961-91393-0-5
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Year 1996
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600 pages
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Volume price - $179.00
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CONCEPTS FOR UNSTEADY CONVECTIVE HEAT TRANSFER USING DEVICES WITHOUT MOVING PARTS
H. Herwig
Technische Thermodynamik, TU Hamburg-Harburg, 21073 Hamburg, Germany
I. Friedrich
Technische Thermodynamik, TU Chemnitz-Zwickau, Chemnitz, Germany
ABSTRACT
Three different concepts of unsteady heat and mass transfer based on unsteadily impinging jets are proposed. The physics of unsteady heat transfer is discussed with special emphasize on its heat transfer augmentation potential. A common feature of all three devices (precessing jet, flip-flop jet and Karman vortex jet) is the absence of moving parts and external energy sources. Experimental results are shown and discussed for the precessing jet arrangement.
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