Heat transfer of impinging air and liquid nitrogen mist jet onto superheated flat surface

Su, Lo May; Chang, Shyy Woei; Yeh, Cheng-Hsiung; Hsu, Yung‐Chien

doi:10.1016/s0017-9310(03)00319-3

Cited by 7 publications

(2 citation statements)

References 22 publications

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“…As the mist jet is a two-phase two-component flow an important parameter is the ratio of the liquid to air mass flow rates, commonly referred to as the mist loading fraction, f [20,23,24]:…”

Section: Effect Of Mist Loading Fractionmentioning

confidence: 99%

Heat transfer behaviour of a dilute impinging air-water mist jet at low wall temperatures

Quinn

Murray

Persoons

2017

International Journal of Heat and Mass Transfer

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This paper presents experimental work on the heat transfer characteristics of a dilute impinging air-water mist jet. Time-averaged heat transfer measurements are reported, as well as simultaneously obtained high-speed shadowgraph imaging flow visualisation and heat transfer measurements; images of the mist jet impingement and the liquid film that forms on the impingement surface are also included. It is determined that the surface liquid morphology varies with mist loading fraction, and that the heat transfer behaviour of the mist jet reflects these changes. Intermittent thermal disturbance caused by the impingement of the mist jet droplets is proposed as the dominant heat transfer mechanism when the mist loading fraction is very low; as the mist loading fraction increases, evaporation from the surface liquid film and convective cooling due to the film flow become more significant.

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Section: Effect Of Mist Loading Fractionmentioning

confidence: 99%

Heat transfer behaviour of a dilute impinging air-water mist jet at low wall temperatures

Quinn

Murray

Persoons

2017

International Journal of Heat and Mass Transfer

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“…However, due to the lack of research on aerosol cooling mechanism, the cooling equipment has greatly limited its application, and some resources are wasted. At present, some domestic and foreign researchers have studied aerosol cooling heat transfer mechanism [1][2][3][4][5][6] . This article mainly analyzes the aerosol cooling characteristics through two numerical models.…”

Section: Introductionmentioning

confidence: 99%

Numerical Simulation Research of Aerosol Cooling

Zhu

Liu

Zhang

2013

AMM

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Through the establishment of the mixture model and the discrete phase model of aerosol cooling, the heat transfer characteristics between the aerosol and high temperature die steel plate are studied. When the discrete phase volume fraction is greater than 10%, mixed convection heat transfer model is used to study the effect of the gas-water volume fraction on heat transfer characteristics; when the discrete phase volume fraction is less than 10%, the discrete phase model is used to study the effect of the discrete phase mass flow rate and particle size on the heat transfer characteristics. The results can provide important references for the die steel quenching equipment design and production.

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