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Averaged heat transfer during periodic fluctuations of the heat transfer intensity of the surface of a plate, a cylinder, or a sphere

Abstract

Processes of heat transfer with periodically varying intensity on the surface of heated bodies of three typical geometries (plate, cylinder, sphere) are considered. The true heat transfer coefficient, which varies in time by the law of a periodic step function having two free parameters — amplitude and asymmetry, is specified on the heat transfer surface. Resultant relations are obtained for calculating the experimental heat transfer coefficient, which is the quantity measured in a traditional heat transfer experiment and used in applied calculations.

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References

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Additional information

Moscow Power Engineering Institute. Translated from Inzhenerno-Fizicheskii Zhurnal, Vol. 68, No. 2, pp. 225–228, March–April, 1995.

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Zudin, Y.B. Averaged heat transfer during periodic fluctuations of the heat transfer intensity of the surface of a plate, a cylinder, or a sphere. J Eng Phys Thermophys 68, 193–196 (1995). https://doi.org/10.1007/BF00862860

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Keywords

  • Heat Transfer
  • Heat Transfer Coefficient
  • Step Function
  • Resultant Relation
  • Average Heat