This study develops a numerical simulation of liquid-vapor two phase flows accompanied with the phase change. In the developed simulation, the VOF (Volume of Fluid) method is adopted for tracking the liquid-vapor interface and the temperature recovery method for estimating mass transfer due to the phase change. Firstly, the numerical simulation is performed for film-boiling and film-condensation problems for validating the evaporation (boiling) and condensation calculation. The numerical result for the film-boiling problem is in good agreement with the Berenson’s semi-empirical correlation in terms of the heat transfer coefficient. Moreover, the numerical results for the film-condensation problem are also in good agreement with the theoretical analysis by Nusselt in terms of the film growth rate and the heat transfer coefficient. These have confirmed the reliability of the developed simulation. Then, the developed simulation is applied to investigate the heat transfer characteristics of the heat transport device with a pump-driven looped minichannel. The result reveals a new interesting feature of the minichannel heat device.
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ASME 2013 11th International Conference on Nanochannels, Microchannels, and Minichannels
June 16–19, 2013
Sapporo, Japan
Conference Sponsors:
- Fluids Engineering Division
- Heat Transfer Division
ISBN:
978-0-7918-5559-1
PROCEEDINGS PAPER
Numerical Analysis on Heat Transfer Characteristics of Looped Minichannel Using Phase-Change VOF Method
Hajime Onishi,
Hajime Onishi
Kanazawa University, Kanazawa, Ishikawa, Japan
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Motoya Kawamura,
Motoya Kawamura
Kanazawa University, Kanazawa, Ishikawa, Japan
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Yukio Tada,
Yukio Tada
Kanazawa University, Kanazawa, Ishikawa, Japan
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Akira Takimoto
Akira Takimoto
Kanazawa University, Kanazawa, Ishikawa, Japan
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Hajime Onishi
Kanazawa University, Kanazawa, Ishikawa, Japan
Motoya Kawamura
Kanazawa University, Kanazawa, Ishikawa, Japan
Yukio Tada
Kanazawa University, Kanazawa, Ishikawa, Japan
Akira Takimoto
Kanazawa University, Kanazawa, Ishikawa, Japan
Paper No:
ICNMM2013-73184, V001T12A017; 9 pages
Published Online:
December 4, 2013
Citation
Onishi, H, Kawamura, M, Tada, Y, & Takimoto, A. "Numerical Analysis on Heat Transfer Characteristics of Looped Minichannel Using Phase-Change VOF Method." Proceedings of the ASME 2013 11th International Conference on Nanochannels, Microchannels, and Minichannels. ASME 2013 11th International Conference on Nanochannels, Microchannels, and Minichannels. Sapporo, Japan. June 16–19, 2013. V001T12A017. ASME. https://doi.org/10.1115/ICNMM2013-73184
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