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Relation between the local thermal stresses and the constants of furnaces

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Chemistry and Technology of Fuels and Oils Aims and scope

Summary

  1. 1.

    The relation between the thermal stresses in the various part of a furnace and the constants of the furnace is expressed by Eqs. (15), (14), and (13).

  2. 2.

    The resultant temperature is characteristic of the resultant heat flux incident on a particular region, and is measured with a thermocouple shielded from the region.

  3. 3.

    The intrinsic temperature is characteristic of the resultant heat flux in the opposite direction from a given region into the furnace, and is measured by a thermocouple on the surface.

  4. 4.

    The reduced blackness of a region may be found experimentally by measuring the intrinsic and resultant temperatures of the region, as well as by making calorimetric measurements of the heat flux passing through it.

  5. 5.

    The component of the radiation flux arriving at the region from sources of radiation may be found by measuring the above quantities immediately after shutting off the combustion equipment.

  6. 6.

    How the resultant temperatures are distributed over the region is a criterion for telling how the intrinsic temperatures may possibly be distributed, with the result that it is possible to investigate the local thermal stresses by means of thermocouples shielded from the region, and nothing more.

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Literature cited

  1. B. I. Bakhmachevskii, R G. Zakh, G. P. Lizo, I. N. Sushkin, and A. A. Shchukin, Heat Engineering [in Russian], Metallurgizdat (1963), pp. 220–221.

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  3. Ts. A. Bakhshiyan, Tubular Furnaces with Radiant Combustion Chamber Walls [in Russian], GOSINTI (1962), p. 86.

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  5. S. V. Adel'son, Engineering Design and Construction Details of Petroleum Plant Furnaces [in Russian], Gostoptekhizdat (1952), pp. 98–99.

  6. Thermal Design of Boiler Assemblies, Standard Methods [in Russian], Gosénergoizdat (1957), pp. 195–196.

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  8. Y. A. Kotishek and V. Rod, Tubular Furnaces in Chemical Industry [in Russian], Gostoptekhizdat (1963), p. 69.

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Authors and Affiliations

  1. Giproneftemash, USSR

    A. S. Milanchev

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  1. A. S. Milanchev
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Additional information

Translated from Khimiya i Tekhnologiya Topliv i Masel, No. 7, pp. 34–38, July, 1966.

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Milanchev, A.S. Relation between the local thermal stresses and the constants of furnaces. Chem Technol Fuels Oils 2, 481–485 (1966). https://doi.org/10.1007/BF00725976

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  • DOI: https://doi.org/10.1007/BF00725976

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