Study on Cooling Heat Transfer of Supercritical Carbon Dioxide Applied to Transcritical Carbon Dioxide Heat Pump

Study on Cooling Heat Transfer of Supercritical Carbon Dioxide Applied to Transcritical Carbon Dioxide Heat Pump

Chaobin Dang, Eiji Hihara
Copyright: © 2017 |Pages: 43
ISBN13: 9781522520474|ISBN10: 1522520473|EISBN13: 9781522520481
DOI: 10.4018/978-1-5225-2047-4.ch010
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MLA

Dang, Chaobin, and Eiji Hihara. "Study on Cooling Heat Transfer of Supercritical Carbon Dioxide Applied to Transcritical Carbon Dioxide Heat Pump." Advanced Applications of Supercritical Fluids in Energy Systems, edited by Lin Chen and Yuhiro Iwamoto, IGI Global, 2017, pp. 292-334. https://doi.org/10.4018/978-1-5225-2047-4.ch010

APA

Dang, C. & Hihara, E. (2017). Study on Cooling Heat Transfer of Supercritical Carbon Dioxide Applied to Transcritical Carbon Dioxide Heat Pump. In L. Chen & Y. Iwamoto (Eds.), Advanced Applications of Supercritical Fluids in Energy Systems (pp. 292-334). IGI Global. https://doi.org/10.4018/978-1-5225-2047-4.ch010

Chicago

Dang, Chaobin, and Eiji Hihara. "Study on Cooling Heat Transfer of Supercritical Carbon Dioxide Applied to Transcritical Carbon Dioxide Heat Pump." In Advanced Applications of Supercritical Fluids in Energy Systems, edited by Lin Chen and Yuhiro Iwamoto, 292-334. Hershey, PA: IGI Global, 2017. https://doi.org/10.4018/978-1-5225-2047-4.ch010

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Abstract

Understanding the heat transfer characteristics of supercritical fluids is of fundamental importance in many industrial processes such as transcritical heat pump system, supercritical water-cooled reactor, supercritical separation and supercritical extraction processes. This paper addresses recent experimental, theoretical and numerical studies on cooling heat transfer of supercritical CO2. A systematic study on heat transfer coefficient and pressure drop of supercritical CO2 was carried out at wide ranges of tube diameter, mass flux, heat flux, temperature and pressure. Based on the understanding of temperature and velocity distributions at cross-sectional direction provided by the numerical simulation, a new prediction model was proposed, which agreed well with the experimental results. In addition, the effect of lubricating oil was also discussed with the focus on the change in flow pattern and heat transfer performance of oil and supercritical CO2.

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