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Nonstationary heat transfer by the method of solving the inverse heat-conduction problem

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Abstract

The heat-transfer coefficient between a gas and a solid under nonstationary conditions is investigated and computational dependences are obtained.

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Abbreviations

T:

temperature

Thand Tc :

temperature of the “hot” and “cold” gas

αh and αc :

heattransfer coefficients between the heat-exchanger and the “hot” and “cold” gas

αmand αo :

maximal and stationary heat-transfer coefficient

p:

pressure

M:

Mach number

τ :

time

τt :

total operating time

τ1 :

time of emergence into the regime

τ1 :

coefficient of nonstationarity

δ :

wall thickness

λ :

heat-conduction coefficient

c:

specific heat

Nuo and Num :

stationary and maximal Nusselt criteria, respectively

Re and Pr:

Reynolds and Prandtl numbers

Literature cited

  1. I. M. Lagun, “Investigation of the thermal regime of a power plant structure under variable heat exchange parameters,” Heat Exchange and Modeling in Power Plants, Abstracts of Reports of an All-Union Conference [in Russian], Tula (1979), pp. 77–78

  2. S. S. Kutateladze, Principles of the Theory of Heat Transfer [in Russian], Mashgiz, Moscow (1962).

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  4. E. V. Kudryavtsev, K. I. Chakalev, and N. V. Shumakov, Nonstationary Heat Transfer [in Russian], Izd. Akad. Nauk SSSR, Moscow (1961).

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  5. V. K. Koshkin (ed.), Principles of Heat Transfer in Aviation and Space-Rocket Engineering [in Russian], Mashgiz, Moscow (1975).

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  6. M. P. Kuz'min, Electrical Modeling of Nonstationary Heat Transfer Processes [in Russian], Énergiya, Moscow (1974).

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  7. P. Kuz'min, I. M. Lagun, and S. V. Lagun, “Solution of inverse heat-conduction problems on specialized analog computers,” Inzh. Fiz. Zh.,33, No.6, 1125–1130 (1977).

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  8. K. Koshkin etal., Nonstationary Heat Transfer [in Russian], Mashinostroenie, Moscow (1973).

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Author information

Authors and Affiliations

  1. Tula Polytechnic Institute, USSR

    I. M. Lagun

Authors
  1. I. M. Lagun
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Additional information

Translated from Inzhenerno-Fizicheskii Zhurnal, Vol. 45, No. 5, pp. 797–802, November, 1983.

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Lagun, I.M. Nonstationary heat transfer by the method of solving the inverse heat-conduction problem. Journal of Engineering Physics 45, 1289–1293 (1983). https://doi.org/10.1007/BF01254736

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  • DOI: https://doi.org/10.1007/BF01254736

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