Journal ArticleDOI
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
Reads0
Chats0
TLDR
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...Abstract:
Heat-sinks based on flow boiling in microchannels have the potential to mitigate temperature rise in high heat flux devices such as electronic equipment. One of the major challenges is the instabil...read more
Citations
More filters
Liquid-liquid slug flow hydrodynamics and pressure drop in micro channels
TL;DR: In this article, the hydrodynamics and the pressure drop of liquid-liquid slug flow in round microcapillaries are presented, and two models are presented: the stagnant film model and the moving film model.
Journal ArticleDOI
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.
Journal ArticleDOI
Modeling of pressure drop and heat transfer for flow boiling in a mini/micro-channel of rectangular cross-section
TL;DR: 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.
Journal ArticleDOI
Fourier series based 1-D numerical modelling of the dynamics of inclined closed loop buoyancy driven heat exchangers with conjugate effect
Akhil Dass,Sateesh Gedupudi +1 more
TL;DR: In this paper, a 1D numerical model of the dynamics of inclined closed loop buoyancy driven heat exchangers with inclusion of the wall conduction effect at the heat exchanger is presented.
Journal ArticleDOI
Growth of elongated vapor bubbles during flow boiling heat transfer in wavy microchannels
TL;DR: In this paper , Wang et al. studied the effect of the wavy structure of the microchannel on the growth of the vapor bubbles in the flow boiling process and quantified the effects of key dimensionless numbers on bubble growth rate and wall heat transfer, including the Weber number, the Capillary number, and Jakob number.
References
More filters
Journal ArticleDOI
A theoretical basis for the Lockhart-Martinelli correlation for two-phase flow
TL;DR: In this article, the friction pressure gradient during the flow of gas-liquid or vapour-liquid mixtures in pipes is derived in terms of the Lockhart-Martinelli correlating groups.
Journal ArticleDOI
On the Size Range of Active Nucleation Cavities on a Heating Surface
TL;DR: In this paper, the authors proposed a model to define the size range of active cavities as a function of wall temperature or heat flux, and showed that maximum and minimum sizes of effective cavities are functions of subcooling, pressure of the system, physical properties, and the thickness of the superheated liquid layer.
Journal ArticleDOI
Multiphase monolith reactors: Chemical reaction engineering of segmented flow in microchannels
TL;DR: The use of segmented flow in capillaries, also known as Taylor flow, for reaction engineering purposes has soared in recent years as mentioned in this paper, with an emphasis on the underlying principles.
Journal ArticleDOI
Heat transfer model for evaporation in microchannels. Part I: presentation of the model
TL;DR: In this article, a three-zone flow boiling model was proposed to describe evaporation of elongated bubbles in microchannels, and a time-averaged local heat transfer coefficient was obtained.
Journal Article
Heat Transfer Model for Evaporation in Microchannels, Part I: Presentation of the Model
TL;DR: In this paper, the authors present a Web of Science Record created on 2005-07-06, modified on 2017-05-10 for a paper entitled "Reference LTCM-ARTICLE-2005-021: