Journal of Engineering Physics and Thermophysics

, Volume 70, Issue 5, pp 744–748 | Cite as

Statement and personal-computer-aided realization of the conjugate problem of heat transfer in a power-technological boiler with a moving bed of dispersed heat-transfer agent

  • L. D. Zabezhinskii
  • M. F. Prokhorova
  • V. V. Prokhorov
  • M. N. Mil'shtein
  • S. G. Stakheev
Article

Abstract

Consideration is given to the statement of the problem and principles of personal computer-aided realization of the thermal-calculation method for a steam generator-utilizer of the heat of high-temperature coke or other loose medium with known thermophysical properties.

Notation

T

temperature, °C

λeff

effective thermal conductivity

α

heat-transfer coefficient

q

heat flux density;

εred

reduced emissivity factor for metal

Ψ

slope of radiant heat transfer

σ0

Stefan-Boltzmann constant

x, y, z

Cartesian coordinate system:x, along panel tubes

y

over channel width

z

vertically

δ

sheet thickness.

Superscripts and subscripts

c

coke (loose medium)

liq

liquid

w

wall

m

sheet and tube metal

rad

radiant

conv

convection

t

tube

w

weld

1 and 2

inner (in the panel) and outer surfaces of sheet

overscribed bar

average value of the quantity.

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References

  1. 1.
    B. I. Babanin, V. I. Babanin, S. G. Stakheev, et al., Koks Khim., No. 5, 17–20 (1988).Google Scholar
  2. 2.
    M. N. Mil'shtein, S. G. Stakheev, and L. D. Zabezhinskii, Koks Khim., No. 4, 13–15 (1991).Google Scholar
  3. 3.
    S. G. Stakheev, L. D. Zabezhinskii, and Yu. N. Lyakhov, Koks Khim., No. 2, 36–38 (1992).Google Scholar
  4. 4.
    N. V. Kuznetsov (ed.), Thermal Calculation of Boiler Units (Standard Method) [in Russian], Moscow (1978).Google Scholar
  5. 5.
    V. A. Lokshin, D. F. Peterson, and A. L. Shvarts (eds.), Hydraulic Calculation of Boiler Units (Standard Method) [in Russian], Moscow (1978).Google Scholar
  6. 6.
    M. A. Mikheev and I. M. Mikheeva, Principles of Heat Transfer [in Russian], Moscow (1977).Google Scholar
  7. 7.
    A. A. Agroskin and V. B. Gleibman, Thermal Physics of Solid Fuel [in Russian], Moscow (1980).Google Scholar

Copyright information

© Plenum Publishing Corporation 1997

Authors and Affiliations

  • L. D. Zabezhinskii
    • 1
  • M. F. Prokhorova
    • 1
  • V. V. Prokhorov
    • 1
  • M. N. Mil'shtein
    • 1
  • S. G. Stakheev
    • 1
  1. 1.Ural Branch of the Russian Academy of SciencesEastern Research Coal-Chemical Institute. Institute of Mathematics and MechanicsEkaterinburgRussia

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