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E. S. Baimetova

HYDRODYNAMIC LOAD ON A MULTI-SECTION HEAT EXCHANGER

DOI: 10.17804/2410-9908.2023.4.006-014

The article considers the issues of numerical modeling of a multi-section heat exchanger using the tools of the OpenFOAM open source package. The multi-section heat exchanger is operated at velocities ranging between 0.1 and 2 m/s. Numerical simulation is carried out for a complete assembly of 8 sections. Each section contains six transverse microchannels with internal fins to increase heat transfer. Hydraulic oil with a kinematic viscosity of 0.000032 m2/s is used as the working fluid. As a result of numerical simulation, the hydrodynamic characteristics at the entrance to the microchannels were evaluated depending on the number of sections, as well as hydraulic resistances were evaluated depending on the pressure drop and the flow velocity of the working fluid.

Keywords: numerical simulation, hydrodynamic load, multi-section heat exchanger, distributing collector

References:

  1. Filippov, G.F., Melamed, L.E., and Tropkina, A.I. Models hierarchy of header devices analysis and macroscale analysis. Izvestiya Vysshykh Uchebnykh Zavedeniy, Problemy Energetiki, 2010, 5–6, 3–17. (In Russian).
  2. Delnov, V.N. Hydrodynamics of typical distribution header systems of nuclear power plants: modern views and research perspectives. Voprosy Atomnoy Nauki i Tekhniki, Seriya Yaderno-Reaktornye Konstanty, 2020, 4, 116–128. DOI: 10.55176/2414-1038-2020-4-116-128. (In Russian).
  3. Gabrianovich, B.N. and Delnov, V.N. Hydrodynamics of headersystems of nuclear power plants. Izvestiya Vysshykh Uchebnykh Zavedeniy, Yadernaya Energetika, 2007, 1, 113–121. (In Russian).
  4. Gabrianovich, B.N., Delnov, V.N., and Yuryev, Yu.S. Features of coolant flow in distributing collector systems of nuclear power reactors with liquid metal cooling. In: Trudy 3 Konf. TZhMT–2008 “Tyazhelye Zhidkometallicheskie Teplonositeli v Yadernykh Tekhnologiyakh” [The Third Conference on Heavy Liquid Metal Coolants in Nuclear Technologies, Obninsk, 2008: Proceedings. Vol. 2]. GNTs RF-Fiziko-energeticheskiy in-t im. A.I. Leypunskogo Publ., Obninsk, 2010. (In Russian).
  5. Dubonosov, A.Yu. and Gaponenko, A.M. Gidrodinamika Vkhodnykh Tsilindricheskikh Kollektorov Teploobmennykh Apparatov Teploenergeticheskikh Ustanovok [Hydrodynamics of Entrance Cylindrical Collectors of Heat-Exchange Devices of Heat Power Installations: Monograph]. Izd. Dom–Yug Publ., Krasnodar, 2013, 124 p. (In Russian).
  6. Bystrov, P.I. and Mikhailov, V.S. Gidrodinamika Kollektornykh Teploobmennykh Apparatov [Hydrodynamics of Collector Heat-Exchange Apparatus]. Energoizdat Publ., Moscow, 1982, 223 p. (In Russian).
  7. Koroleva, M.R., Terentyev, A.N., and Chernova, A.A. Fluid dynamics of a complicated collector. Vestnik Rybinskoy Gosudarstvennoy Aviatsionnoy Tekhnologicheskoy Akademii im. P.A. Solovyeva, 2021, 3 (58), 50–55. (In Russian).
  8. Lunina, S.V. and Delnov, V.N. Test Calculations of Hydrodynamics of Distribution Header Systems in NPP Heat Exchangers and Reactors. Voprosy Atomnoy Nauki i Tekhniki, Seriya Yaderno-Reaktornye Konstanty, 4, 129–137. DOI: 10.55176/2414-1038-2020-4-129-137. (In Russian).
  9. Baimetova, E.S. and Koroleva, M.R. Research of conjugate heat transfer in a collector of a complex shape of an external fin. In: ХХI International Conference on the Methods of Aerophysical Research (ICMAR 2022), Novosibirsk, August 08–14, 2022: Abstracts. FGBU SO RAN, 2022, 13–14. DOI: 10.53954/9785604788967_13.
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Article reference

Baimetova E. S. Hydrodynamic Load on a Multi-Section Heat Exchanger // Diagnostics, Resource and Mechanics of materials and structures. - 2023. - Iss. 4. - P. 6-14. -
DOI: 10.17804/2410-9908.2023.4.006-014. -
URL: http://eng.dream-journal.org/issues/content/article_402.html
(accessed: 06/22/2024).

 

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