Thermal Regime of a Cap-Type Gas Distributor with Active Thermal Insulation

The thermal state of a cap-type gas distributor with active thermal insulation in the form of a ventilated granular bed is modeled. The temperatures of air at exit from the granular bed and of the upper gas-tight plate of the gas distributor have been calculated by the method of successive approxima...

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Bibliographic Details
Published in:Journal of engineering physics and thermophysics 2013-11, Vol.86 (6), p.1294-1299
Main Authors: Teplitskii, Yu. S., Pitsukha, E. A., Borodulya, V. A., Malevich, V. L.
Format: Article
Language:English
Subjects:
Classical Mechanics
Complex Systems
Engineering
Engineering Thermodynamics
Gas utilities
Heat and Mass Transfer
Industrial Chemistry/Chemical Engineering
Insulating materials industry
Thermodynamics
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Summary:The thermal state of a cap-type gas distributor with active thermal insulation in the form of a ventilated granular bed is modeled. The temperatures of air at exit from the granular bed and of the upper gas-tight plate of the gas distributor have been calculated by the method of successive approximations. The efficiency of active thermal insulation that substantially reduces the gas distributor temperature and simultaneously serves as a preheater for the primary air entering into the high-temperature fluidized bed is shown.
ISSN:1062-0125
1573-871X
DOI:10.1007/s10891-013-0953-5