Modeling of pressure drop and heat transfer for flow boiling in a mini/micro-channel of rectangular cross-section
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In this paper, a one-dimensional model is proposed to estimate the pressure drop and heat transfer coefficient for flow boiling in a rectangular microchannel, taking into account the pressure fluctuations caused due to the confined bubble growth and the effect of pressure fluctuations on the heat transfer characteristics.About:
This article is published in International Journal of Heat and Mass Transfer.The article was published on 2019-09-01 and is currently open access. It has received 12 citations till now. The article focuses on the topics: Heat transfer coefficient & Heat transfer.read more
Citations
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On the time coupling analysis of explosion pressure and intermediate generation for multiple flammable gases
TL;DR: In this article, a 20-L spherical closed explosion experimental system and spectral measurement system are used to investigate the pressure and flame emission spectra characteristics of the intermediate products during the mixed explosion process of five typical gases (CH4, C2H6, C 2H4, CO, and H2).
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Dynamic instabilities of flow boiling in micro-channels: A review
TL;DR: In this article , a review of the literature addressing gas-liquid two-phase flow boiling dynamic instabilities in micro-channels in theoretical and experimental aspects is presented, combined with bubble dynamics, the mechanism and criteria of dynamic instability are revealed.
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On the Prediction of Pressure Fluctuations and Pressure Drop Caused by Confined Bubble Growth During Flow Boiling in a Rectangular Mini/Micro-Channel
Shashwat Jain,Sateesh Gedupudi +1 more
TL;DR: In this paper, heat sinks based on flow boiling in microchannels have the potential to mitigate temperature rise in high heat flux devices such as electronic equipment. But the major challenge is the instabil...
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Design method and application effects of embedded-clapboard distributor on refrigerant distribution among multi-tubes of micro-channel heat exchangers
TL;DR: In this paper, the authors proposed an embedded-clapboard distributor with a spray hole to transform the irregular flow pattern of inlet refrigerant into a dispersed bubble flow, and to form a cyclic channel to maintain the regular layout of bubble flow.
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Effects of saturation temperature on the boiling properties of carbon dioxide in small diameter pipes at low vapour quality: Pressure drop
D. Hellenschmidt,P. Petagna +1 more
TL;DR: In this article, a long-term study has been launched to create a consistent and reliable experimental database studying the peculiarities of boiling carbon dioxide in mini- and micro-channels.
References
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Pure and Pseudo-pure Fluid Thermophysical Property Evaluation and the Open-Source Thermophysical Property Library CoolProp.
TL;DR: A survey of all the state-of-the-art formulations of thermophysical properties is presented, finding the most-accurate thermodynamic properties are obtained from multiparameter Helmholtz-energy-explicit-type formulations.
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Fundamental issues related to flow boiling in minichannels and microchannels
TL;DR: In this article, the effects of the channel size on the flow patterns and heat transfer and pressure drop performance are reviewed in small hydraulic diameter channels, and the fundamental questions related to the presence of nucleate boiling and characteristics of flow boiling in microchannels and minichannels in comparison to that in the conventional channel sizes (3 mm and above) are addressed.
Fundamental issues related to flow boiling in minichannels and microchannels
TL;DR: In this article, the effects of the channel size on the flow patterns and heat transfer and pressure drop performance are reviewed in small hydraulic diameter channels, and the fundamental questions related to the presence of nucleate boiling and characteristics of flow boiling in microchannels and minichannels in comparison to that in the conventional channel sizes (3 mm and above) are addressed.
Journal ArticleDOI
Correlations for the prediction of boiling heat transfer in small-diameter channels
P.A. Kew,Keith Cornwell +1 more
TL;DR: In this paper, the authors describe aspects of the work relating to boiling in single, small-diameter tubes as part of a study of compact two-phase heat exchangers.
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