Experimental Heat Transfer for Gas-Liquid Vertical Flow inside Pipe

Huan Qun Qian; Chang Yong Wang

doi:10.4028/www.scientific.net/AMM.90-93.1667

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HomeApplied Mechanics and MaterialsApplied Mechanics and Materials Vols. 90-93Experimental Heat Transfer for Gas-Liquid Vertical...

Experimental Heat Transfer for Gas-Liquid Vertical Flow inside Pipe

Abstract:

Experiments have been performed to observe flow pattern and investigate convective heat transfer for air-water vertical flow in a forced circulation system. The bubbles motion was recorded by a high-speed CCD camera. For the bubble and slug flow pattern, the temperature fluctuation signals and local heat transfer coefficients were obtained in a short heated tube. The probability density function classical was applied to analyze the temperature. The results qualitatively reflected characteristics of local heat transfer in two phase flow comparing with that in single-phase liquid. The comparison revealed that the gas phase could enhance the heat transfer.

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Periodical:

Applied Mechanics and Materials (Volumes 90-93)

Pages:

1667-1670

DOI:

https://doi.org/10.4028/www.scientific.net/AMM.90-93.1667

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Online since:

September 2011

Authors:

Huan Qun Qian, Chang Yong Wang

Keywords:

Convective Heat Transfer, Gas Liquid, Slug, Two-Phase Flow

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