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621.565.3:621.565.83:621.796.5 (1) |
Pneumatic energy, machinery and tools. Refrigeration (61) |
Mechanical technology in general: processes, tools, machines, equipment (145) |
SM ISO690:2012 БОШКОВА, Ирина, СОЛОДКАЯ, Антонина. Исследование эффективности теплообмена в теплообменниках-утилизаторах с гранулированной насадкой. In: Energetica Moldovei. Aspecte regionale de dezvoltare, Ed. Ediția III, 2016, 29 septembrie - 1 octombrie 2016, Chișinău. Chișinău, Republica Moldova: Institutul de Energetică al Academiei de Științe a Moldovei, 2016, Ediția III, pp. 373-377. ISBN 978-9975-4123-5-3. |
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Energetica Moldovei. Aspecte regionale de dezvoltare Ediția III, 2016 |
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Conferința "Energetica Moldovei" Ediția III, 2016, Chișinău, Moldova, 29 septembrie - 1 octombrie 2016 | ||||||
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CZU: 621.565.3:621.565.83:621.796.5 | ||||||
Pag. 373-377 | ||||||
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The use of flow coolants in power as a granular material allows to intensify the processes of heat and mass transfer. Arise possibility to create a developed heat exchange surface, which is the total surface of the particles in the heat exchange unit. Perspective are recuperative heat exchangers with a dense moving layer , characterized by high thermal efficiency, compactness, low weight, simplicity of design, reliability, provide a significant performance. Due to the complexity of the interaction of moving particles from the air stream, special attention should be given to a simplified method of calculation of such heat exchangers. The article analyzes the characteristics of the heat transfer process between the dispersed and gaseous medium for the moving and fixed layer of particulate material. Compiled methods of thermal and hydraulic calculations of heat exchangers with a dense layer of particulate. The results of experimental studies of the process of heating different kinds of granular material, intended for use as a nozzle in the recuperative heat exchanger waste heat. By the Calculation is set the influence of the height of heating chamber, the particle diameter on the output temperature of the granular material. Presents the dependence of temperature of the gas and solid components to adjustment height of nozzle. |
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Cuvinte-cheie гранулированный материал, насадка, межкомпонентный теплообмен, аэродинамическое сопротивление, коэффициент теплоотдачи, интенсификация |
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