Intensification of heat transfer at propane pool boiling on single horizontal tubes

Vasiliev, L. L.; Khrolenok, V. V.; Zhuravlyov, Alexander S.

doi:10.1016/s0035-3159(98)80020-2

Cited by 15 publications

(2 citation statements)

References 1 publication

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“…Vasiliev et al [87] tested the heat transfer of R290 during pool boiling on plain and on porous-coated stainless steel tubes at saturation temperatures between −10 °C and 40 °C and for heat fluxes between 0.1 kW/m 2 and 100 kW/m 2 . The porous coating was made of stainless steel using the gas-thermal spraying technique.…”

Section: Measurements For Low-gwp Refrigerants On Enhanced Surfacesmentioning

confidence: 99%

Review of low-GWP refrigerant pool boiling heat transfer on enhanced surfaces

Lin

Kedzierski

2019

International Journal of Heat and Mass Transfer

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Global warming mitigation efforts have stimulated investigations of a new generation of low-GWP refrigerants. Because some of the proposed low-GWP refrigerants have unfavorable characteristics (e.g., flammability and toxicity), a small refrigerant charge is desirable. Compact heat exchangers with enhanced surfaces facilitate small refrigerant charge by having a large heat exchanger surface area to heat exchanger volume ratio. This paper reviews the current state-of-the-art for pool boiling heat transfer of low-GWP refrigerants on enhanced surfaces. An overview for the enhanced surface manufacturing technique is given along with detailed reviews of the heat transfer measurements and predictions for many of the low-GWP refrigerants, including the hydrofluoroolefin (HFO) class, the hydrocarbon (HC) class, carbon dioxide (CO2), and ammonia (NH3). The overview of the predictive methods includes mechanistic models and correlations for pool boiling on enhanced surfaces. Based on the surveyed literature, existing shortfalls are identified and suggestions for future studies are proposed.

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Section: Measurements For Low-gwp Refrigerants On Enhanced Surfacesmentioning

confidence: 99%

Review of low-GWP refrigerant pool boiling heat transfer on enhanced surfaces

Lin

Kedzierski

2019

International Journal of Heat and Mass Transfer

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“…The metallic coated surface is prepared by the passive techniques for enhancing the boiling heat transfer. The boiling of new refrigerants on metallic coated surfaces has been studied by very few researchers [4][5][6][7][8][9][10][11][12][13][14][15][16][17][18]. However, the experimental work on metallic coated surfaces and their impact on boiling heat transfer are still indispensable.…”

Section: Introductionmentioning

confidence: 99%

Nucleate Pool Boiling Heat Transfer of Refrigerants Using Coated Surfaces

Dewangan¹,

Kumar²,

Kumar³

2019

Advanced Cooling Technologies and Applications

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This work presents the experimental study of nucleated pool boiling heat transfer of R-134a and R-410A on a horizontal coated heating surface. The heating surface dimensions are 25.4 mm outer diameter and 116 mm effective length. The coated surfaces were fabricated by flame spraying technique. The copper powder was used as a coating material applied to the outer surface of copper tube. The experiments were performed for heat flux range of 5-50 kWm −2 at saturation temperature of 10°C. The heat transfer coefficients of both refrigerants demonstrated the same trends with applied heat flux increase and their magnitudes increases with increasing the value of applied heat flux. The present study also includes the effects of heat flux and coating parameter on boiling characteristics. The boiling heat transfer coefficient is enhanced by 1.9 times that of plain surface. An empirical correlation was also developed to predict the heat transfer coefficient with a mean error of 13%.

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Evaporative Heat Transfer on Horizontal Porous Tube

Vasiliev

Zhuravlyov

Шаповалов

Microscale Heat Transfer Fundamentals and Applications

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Intensification of heat transfer at propane pool boiling on single horizontal tubes

Cited by 15 publications

References 1 publication

Review of low-GWP refrigerant pool boiling heat transfer on enhanced surfaces

Review of low-GWP refrigerant pool boiling heat transfer on enhanced surfaces

Nucleate Pool Boiling Heat Transfer of Refrigerants Using Coated Surfaces

Evaporative Heat Transfer on Horizontal Porous Tube

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