A scale analysis model for film boiling heat transfer on a vertical flat plate with wide applicability

Das, Dipak Chandra; Ghosh, Koushik; Sanyal, Debarshi Kumar

doi:10.1016/j.ijheatmasstransfer.2015.06.044

Cited by 12 publications

(3 citation statements)

References 23 publications

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“…The present study deals with two separate situationshigh subcooling and low subcooling mode of heat transfer. An appropriate heat transfer partitioning criterion has been introduced according to Das et al [21] to analyze rationally each situation, namely heat ratio, which is defined as the heat diffusion to the liquid through the phase interface to the heat utilized at the phase interface for the vaporization. The estimation of this heat ratio can be obtained as:…”

Section: Scale Analysismentioning

confidence: 99%

“…They performed this scale analysis along with stagnation flow approximation and validated against forced convection experiments on a micron size wire. Das et al [21] also performed a vigorous scaling analysis for flat plate pertains to film boiling for high superheat and low superheat cases separately. Low superheat case separately treated for natural and forced convection cases, whereas high superheat case treated for mixed convection.…”

Section: Introductionmentioning

confidence: 99%

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Forced convection film boiling heat transfer model for a sphere by scaling analysis

Das

Ghosh

Sanyal

2018

J Braz. Soc. Mech. Sci. Eng.

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Forced convection heat transfer phenomenon over a sphere has been carried out based on scale analysis under film boiling condition for the high subcooled and low subcooled condition of liquid, respectively. Heat and mass transfer across the liquid-vapor interface has been studied incorporating appropriate vaporization criteria. The heat transfer characteristic is shown for relevant nondimensional numbers, and Nusselt number has been obtained separately for high subcooling and low subcooling of liquid situations, respectively. A wide set of physical parameters with ranges of wall superheat 280-1000°C, liquid subcooling 0-30°C and flow velocity 0.1-0.3 m/s have been utilized to form the model closure, and the model is validated with the analytical model from Epstein and Hauser (

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Section: Scale Analysismentioning

confidence: 99%

Section: Introductionmentioning

confidence: 99%

Forced convection film boiling heat transfer model for a sphere by scaling analysis

Das

Ghosh

Sanyal

2018

J Braz. Soc. Mech. Sci. Eng.

Self Cite

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show abstract

“…Scale analysis is a powerful method applied in different areas (see for example [1][2][3][4][5][6]). It refers both to the magnitude of a phenomenon and to the form of function that describes the phenomenon.…”

Section: Introductionmentioning

confidence: 99%

Scale Analysis for Optimal Pattern Formation in Flow Systems

Miguel

2021

DDF

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The occurrence of flow pattern can be predicted based on constructal law. Scale analysis is a method for deriving the essential information based on the basic principles of fluid flow and heat transfer. It provides order-of-magnitudes but also the form of the functions that describe the quantities understudy. In flow systems, patterns (configuration, design, architecture) arise from competition between competing trends, at least two modes of transport or locomotion: slow (diffusion, walk, etc.) and fast (streams, run, etc.). Optimal patterns mean the best flow access and the best balance between these trends. The study presented here follows from the scale analysis together with constructal and, is illustrated by examples from simple water heating to human locomotion.

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Scale analysis for water jet impingement over a horizontal flat plate under film boiling configuration

2021

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A scale analysis model for film boiling heat transfer on a vertical flat plate with wide applicability

Cited by 12 publications

References 23 publications

Forced convection film boiling heat transfer model for a sphere by scaling analysis

Forced convection film boiling heat transfer model for a sphere by scaling analysis

Scale Analysis for Optimal Pattern Formation in Flow Systems

Scale analysis for water jet impingement over a horizontal flat plate under film boiling configuration

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