Heat Transfer and Pressure Drop in Flow Boiling in Microchannels

Saha, Sujoy Kumar; Celata, Gian Piero

doi:10.1007/978-3-319-20285-3

Cited by 4 publications

(3 citation statements)

References 38 publications

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“…Dutkowski (2008) conducted experimentations of pressure drops in mini channels with use of water and air as working fluids. Similar investigations were carried out by Saha and Celata (2016). Thome et al (2008) presented a review on flow boiling of hydrocarbons, in which experimental studies of two-phase pressure drops of hydrocarbons were addressed and the prediction methods described.…”

Section: Introductionmentioning

confidence: 85%

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Numerical modelling of heat and mass transfer in a gas pipe conducting system: Application to methane gas

Bell¹,

Lissouck²,

Mvondo³

2021

J. Petroleum Gas Eng.

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Methane is the principal component of natural gas. In order to be liquefied, it is has to pass through a compression station where its' temperature is lowered. An experimental investigation of the temperature drop behaviour of methane gas has been carried out. The test section is a horizontal circular tube with an inner diameter of 6 mm, an outer diameter of 8 mm and a length of 1500 mm. The physical parameters of the gas are explicited. Extensive measurements of the temperature along the pipe were realized by considering an air temperature of 26°C. A numerical approach of the heat and mass transfer problem was carried out thanks to the 4th ordered Runge-Kutta method. Numerical results showed a good agreement with experimental data.

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Section: Introductionmentioning

confidence: 85%

“…Many researches were subsequently conducted. With the aim of developing economically viable heat sinks, Saha and Celata (2016) analyzed the problem of higher pressure drop by comparing two phases and one single phase flows. These authors applied experimental and analytical approaches on micro channels.…”

Section: Introductionmentioning

confidence: 99%

Numerical modelling of heat and mass transfer in a gas pipe conducting system: Application to methane gas

Bell¹,

Lissouck²,

Mvondo³

2021

J. Petroleum Gas Eng.

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show abstract

“…Other, more recent modifications of LM correlation for micro-and macrochannels may be found in [4,5]. For high pressure and diabatic (with heat addition, e.g.…”

Section: The Lockhart-martinelli Correlationmentioning

confidence: 99%

Generalization of Martinelli-Nelson method of pressure drop calculation in two-phase flows

2017

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Abstract.A simple method of pressure drop calculation for two-phase flows of different fluids during convective boiling in channels is presented. It is based on experimental data of pressure drop multiplier R and void fraction ϕ obtained by Martinelli and Nelson for boiling of water in vertical tubes. The data cover the whole two-phase domain from ambient to critical pressure. Unfortunately, they have been presented in graphical forms. The first step in the procedure proposed in the paper was a transformation of the graphical data into analytical formulas which contain such dimensionless quantities as steam quality x, Martinelli parameter X, multiplier Φl 2 and dimensionless coefficients D, m, E and k. In the second step, simple analytical formulas were determined to express the dimensionless coefficients as a function of physical property parameter K. In this way two simple analytical expressions for the multiplier R and void fraction ϕ were obtained. They are in analytical dimensionless form so they may be used directly for different fluids, not only for water. This is the main advantage of the proposed method.

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Experimental investigations on the boiling heat transfer of horizontal flow in the near-critical region

Lei

Zhang

et al. 2018

International Journal of Heat and Mass Transfer

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Heat Transfer and Pressure Drop in Flow Boiling in Microchannels

Cited by 4 publications

References 38 publications

Numerical modelling of heat and mass transfer in a gas pipe conducting system: Application to methane gas

Numerical modelling of heat and mass transfer in a gas pipe conducting system: Application to methane gas

Generalization of Martinelli-Nelson method of pressure drop calculation in two-phase flows

Experimental investigations on the boiling heat transfer of horizontal flow in the near-critical region

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