Experimental study on heat-transfer characteristics of circular water jet impinging on high-temperature stainless steel plate

Dou, Ruifeng; Wen, Zhi; Zhou, Gang; Liu, Xunliang; Feng, Xiaohong

doi:10.1016/j.applthermaleng.2013.10.037

Cited by 26 publications

(7 citation statements)

References 16 publications

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“…A mathematical model of heat transfer in the spray water cooling process has been established based on measured temperature data in conjunction with an FEM numerical simulation. Heat transfer coefficients are related to the temperature, water mass flux density [ 9 , 14 ], type of nozzle [ 15 ], water subcooling [ 16 ], pipe wall thickness [ 17 ], and surfactant added to the water [ 18 , 19 ] in the stable film boiling regime. Based on the characteristics of the measured data, the mathematical model was divided into two parts according to the water flux density.…”

Section: Discussionmentioning

confidence: 99%

“…It consisted of a water tank, pumps and pipelines, a spraying system, a resistance furnace, and a test data acquisition system ( Fig 2 ). The ERW steel pipe was heated by the resistance furnace, and temperatures were measured by waterproof thermocouples [ 9 , 10 ]. The water flux and pressure could be adjusted according to the specified experimental schemes.…”

Section: Annular Spray Water Cooling Experimentsmentioning

confidence: 99%

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Heat Transfer Modeling of an Annular On-Line Spray Water Cooling Process for Electric-Resistance-Welded Steel Pipe

Han¹,

Ren

Huang

2015

PLoS ONE

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On-line spray water cooling (OSWC) of electric-resistance-welded (ERW) steel pipes can replace the conventional off-line heat treatment process and become an important and critical procedure. The OSWC process improves production efficiency, decreases costs, and enhances the mechanical properties of ERW steel pipe, especially the impact properties of the weld joint. In this paper, an annular OSWC process is investigated based on an experimental simulation platform that can obtain precise real-time measurements of the temperature of the pipe, the water pressure and flux, etc. The effects of the modes of annular spray water cooling and related cooling parameters on the mechanical properties of the pipe are investigated. The temperature evolutions of the inner and outer walls of the pipe are measured during the spray water cooling process, and the uniformity of mechanical properties along the circumferential and longitudinal directions is investigated. A heat transfer coefficient model of spray water cooling is developed based on measured temperature data in conjunction with simulation using the finite element method. Industrial tests prove the validity of the heat transfer model of a steel pipe undergoing spray water cooling. The research results can provide a basis for the industrial application of the OSWC process in the production of ERW steel pipes.

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Section: Discussionmentioning

confidence: 99%

Section: Annular Spray Water Cooling Experimentsmentioning

confidence: 99%

Heat Transfer Modeling of an Annular On-Line Spray Water Cooling Process for Electric-Resistance-Welded Steel Pipe

Han¹,

Ren

Huang

2015

PLoS ONE

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“…The sensitivity coefficient was defined as the first partial derivative of temperature with respect to heat flux [ 28 ]

X \equiv \frac{\partial T false(x, t false)}{\partial q}

{\begin{cases} - λ \frac{\partial X (x, t)}{\partial x} |_{x= 0} = 0, false(x = 0, t false⟩ 0 false) \\ - λ \frac{\partial X (x, t)}{\partial x} |_{x = normalH} = 7extrue{\begin{matrix} left \\ 1, (t_{M - 1} ⟨ t ⟨ t_{M}) \\ 0, (t ⟩ t_{M}) \end{matrix} \end{cases}

…”

Section: Methodsmentioning

confidence: 99%

Effect of Surfactants on Liquid–Solid Heat Transfer on High‐Temperature Wall

Tian

Wang

et al. 2020

steel research int.

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During the quenching of high‐temperature steel plate, Leidenfrost phenomenon takes place, which prevents the coolant from extracting heat from high‐temperature wall. Adding surfactant to the basic fluid can reduce the surface tension, increase the solid–liquid contact area, and ultimately increase the cooling speed. Herein, aqueous solutions of 240 ppm cetyl trimethyl ammonium bromide (CTAB), 600 ppm sodium dodecyl sulfate (SDS), and 56 ppm polyoxyethy‐lene (20) sorbaitan monolaurate (Tween‐20) are used as coolants. Using a 50 mm thick high‐temperature AISI304 stainless steel plate, free surface jet experiments are designed and completed to study the influence of different coolants on the surface heat transfer and internal thermal conductivity. The experimental results show that surfactants can reduce the surface tension, which enhance the wettability of the fluid on the surface, whereas the time it takes for the fluid to completely wet the experimental region is shortened by up to 13.87%. The foaming can increase the width of wetting front and hinder the expansion speed of the wetted region. When aqueous Tween‐20 with low surface tension and low foaming is used as the coolant, the maximum heat flux increases by 12.11%, 7.03%, 9.33%, 7.70%, and 4.41% compared with that of pure water.

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“…The diverse organization, outstanding properties and considerable reduction of alloy addition for steel plate could be realized through the controlled cooling after rolling, so it is very important for the structure reorganization and performance improvement of steel plate [1,2]. In the conventional cooling method, the heat exchange in steel plate surface is mainly film boiling [3], the cooling rate is low, which results in the uneven heat transfer and shape control [4].…”

Section: Introductionmentioning

confidence: 99%

The influence of spray inclination angle on the ultra fast cooling of steel plate in spray cooling condition

Wang

Deng

et al. 2015

Applied Thermal Engineering

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Experimental study on heat-transfer characteristics of circular water jet impinging on high-temperature stainless steel plate

Cited by 26 publications

References 16 publications

Heat Transfer Modeling of an Annular On-Line Spray Water Cooling Process for Electric-Resistance-Welded Steel Pipe

Heat Transfer Modeling of an Annular On-Line Spray Water Cooling Process for Electric-Resistance-Welded Steel Pipe

Effect of Surfactants on Liquid–Solid Heat Transfer on High‐Temperature Wall

The influence of spray inclination angle on the ultra fast cooling of steel plate in spray cooling condition

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