Forced Convection Film Boiling Heat Transfer from a Horizontal Cylinder to Liquid Cross-flowing Upward : 2nd Report, Subcooled Liquid

Forced convection film boiling heat transfer on a horizontal cylinder in saturated water and Freon-113 flowing upward perpendicular to the cylinder was measured for the flow velocities ranging from zero to 1 m/s at the system pressures ranging from 100 to 500 kPa: the platinum cylinders with the diameters ranging from 0.7 to 5 mm were used as the test cylinder heaters. The existing correlation for forced convection film boiling heat transfer given by Bromley et al. could not well describe the experimental data obtained, especially those for the higher pressures. The forced convection film boiling heat transfer correlation including the radiation contribution from the cylinders with various diameters for saturation conditions was developed based on forced convection two-phase laminar boundary layer film boiling model and the experimental data obtained. The experimental data agreed with the corresponding values derived from the correlation within ±15% for the flow velocities below 0.7 m/s, and within −30% to +15% for higher flow velocities. It was confirmed that the experimental data obtained by Bromley et al. for the horizontal carbon cylinders with the diameters ranging from 9.83 to 16.2 mm and with the significant radiation effect from the cylinder surfaces in various liquids for the various flow velocities up to 4.4 m/s at an atmospheric pressure agreed with the corresponding values derived from the new correlation within ±20%.

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Erratum: “A General Correlation for Pool Film Boiling Heat Transfer From a Horizontal Cylinder to Subcooled Liquid: Part 1—A Theoretical Pool Film Boiling Heat Transfer Model Including Radiation Contributions and Its Analytical Solution” (Journal of Heat Transfer, 1990, 112, pp. 430–440)

Journal of Heat Transfer ◽

10.1115/1.2910488 ◽

1990 ◽

Vol 112 (4) ◽

pp. 1106-1106

Author(s):

A. Sakurai ◽

M. Shiotsu ◽

K. Hata

Keyword(s):

Heat Transfer ◽

Analytical Solution ◽

Boiling Heat Transfer ◽

Horizontal Cylinder ◽

Heat Transfer Model ◽

Film Boiling ◽

Transfer Model ◽

Subcooled Liquid ◽

General Correlation ◽

Liquid Part

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A General Correlation for Pool Film Boiling Heat Transfer From a Horizontal Cylinder to Subcooled Liquid: Part 2—Experimental Data for Various Liquids and Its Correlation

Journal of Heat Transfer ◽

10.1115/1.2910397 ◽

1990 ◽

Vol 112 (2) ◽

pp. 441-450 ◽

Cited By ~ 44

Author(s):

A. Sakurai ◽

M. Shiotsu ◽

K. Hata

Keyword(s):

Heat Transfer ◽

Experimental Data ◽

Analytical Solution ◽

Boiling Heat Transfer ◽

Radiation Effects ◽

Approximate Analytical Solution ◽

Horizontal Cylinder ◽

Film Boiling ◽

System Pressure ◽

Horizontal Cylinders

Experimental data of pool film boiling heat transfer from horizontal cylinders in various liquids such as water, ethanol, isopropanol, Freon-113, Freon-11, liquid nitrogen, and liquid argon for wide ranges of system pressure, liquid subcooling, surface superheat and cylinder diameter are reported. These experimental data are compared with a rigorous numerical solution and an approximate analytical solution derived from a theoretical model based on laminar boundary layer theory for pool film boiling heat transfer from horizontal cylinders including the effects of liquid subcooling and radiation from the cylinder. A new correlation was developed by slightly modifying the approximate analytical solution to agree better with the experimental data. The values calculated from the correlation agree with the authors’ data within ± 10 percent, and also with other researchers’ data for various liquids including those with large radiation effects, though these other data were obtained mainly under saturated conditions at atmospheric pressure.

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