Heat exchange processes in volume of fire-tube boiler with non-water heat transfer fluid
The article suggests the solution of problems related to the intensification of heat transfer from the high-temperature organic heat transfer fluid. The main advantages of high-temperature heat transfer fluid are given. Heat transfer processes by heat conduction and convection are considered. Th...
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| Main Authors: | , , |
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| Format: | Article |
| Language: | English |
| Published: |
Omsk State Technical University, Federal State Autonoumos Educational Institution of Higher Education
2018-09-01
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| Series: | Омский научный вестник |
| Subjects: | |
| Online Access: | https://www.omgtu.ru/general_information/media_omgtu/journal_of_omsk_research_journal/files/arhiv/2018/4%20(160)/73-78%20%D0%9C%D0%B8%D1%85%D0%B0%D0%B9%D0%BB%D0%BE%D0%B2%20%D0%90.%20%D0%93.,%20%D0%92%D0%B4%D0%BE%D0%B2%D0%B8%D0%BD%20%D0%9E.%20%D0%92.,%20%D0%A1%D0%BB%D0%BE%D0%B1%D0%BE%D0%B4%D0%B8%D0%BD%D0%B0%20%D0%95.%20%D0%9D..pdf |
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| Summary: | The article suggests the solution of problems related to the
intensification of heat transfer from the high-temperature organic
heat transfer fluid. The main advantages of high-temperature
heat transfer fluid are given. Heat transfer processes by heat
conduction and convection are considered. The criterial equation
describing heat exchange in the volume of a high-temperature organic heat transfer fluid under natural convection is presented.
The description of a nanofluid and its main characteristics are
given. Present models of calculating the basic thermophysical
properties of a nanofluid (density, heat capacity, viscosity, and
thermal conductivity) are presented. Based on the results of the
calculated experiment, graphs of the dependence of density, heat
capacity, viscosity, thermal conductivity, Grashof number and
heat transfer coefficient of ditolylmethane and nanofluids based
on it (ditolylmethane + Cu (1%) and ditolylmethane + Cu (5%))
on temperature are plotted. |
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| ISSN: | 1813-8225 2541-7541 |