Wall superheat at the incipient nucleate boiling condition for natural and forced convection: A CFD approach

Saleem, Abdullah and Farooq, Shamsuzzaman and Banerjee, Raja and et al, . (2020) Wall superheat at the incipient nucleate boiling condition for natural and forced convection: A CFD approach. Computers & Chemical Engineering, 134. p. 106718. ISSN 0098-1354

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Abstract

Predicting onset of nucleate boiling is important in many process design applications. Analytical models proposed in the literature to predict the wall superheat at incipient nucleate boiling fail to account for different fluid-surface combinations and flow conditions. A Computational Fluid Dynamics (CFD) based analysis is undertaken in this study to formulate fluid independent general correlations to predict the wall superheat at incipient nucleate boiling for natural and forced convection systems. The proposed CFD based correlations encompass different fluid-surface combinations and a wide range of flow conditions. The wall superheat estimates from the developed correlations are in good agreement with available experimental data. Case studies on insulation design to prevent bubble formation in an LNG storage tank and estimating the length of a heating section prior to the advent of nucleate boiling in a heat transfer equipment are presented to demonstrate applicability of the proposed correlations.

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IITH Creators:
IITH CreatorsORCiD
Banerjee, Rajahttp://orcid.org/0000-0002-7163-1470
Item Type: Article
Uncontrolled Keywords: Critical wall superheat, Forced convection, Incipient nucleate boiling, Latin hyper cube sampling, Natural convection, Indexed in Scopus
Subjects: Physics > Mechanical and aerospace
Divisions: Department of Mechanical & Aerospace Engineering
Depositing User: Team Library
Date Deposited: 20 Jan 2020 04:59
Last Modified: 20 Jan 2020 04:59
URI: http://raiithold.iith.ac.in/id/eprint/7353
Publisher URL: http://doi.org/10.1016/j.compchemeng.2019.106718
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