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Book Effect of Surface Conditions on Nucleate Pool Boiling of Refrigerant 1l

Download or read book Effect of Surface Conditions on Nucleate Pool Boiling of Refrigerant 1l written by Abbas M. Sinnarwalla and published by . This book was released on 1970 with total page 100 pages. Available in PDF, EPUB and Kindle. Book excerpt: "The purpose of this investigation was to determine the effect of surface conditions on the heat transfer for nucleate pool boiling from flat horizontal surfaces. Experiments were carried out using Refrigerant-1l at atmospheric pressure as the test fluid with Inconel-600 as the heater material. The heat transfer coefficient was determined for mirror finished, chemically etched, glass beaded and sandpaper roughened heater surfaces over heat flux ranging for 0 to 18000 BTU/HR SQ FT. At a given heat flux, the heat transfer coefficient was found to be the lowest for mirror finished surface and the highest for sandpaper roughened surface"--Abstract, leaf ii.

Book An Experimental Investigation of the Effect of Surface Conditions on Nucleate Pool Boiling Heat Transfex to Liquid Nitrogen from a Horizontal Surface

Download or read book An Experimental Investigation of the Effect of Surface Conditions on Nucleate Pool Boiling Heat Transfex to Liquid Nitrogen from a Horizontal Surface written by Michael Damon Maynard and published by . This book was released on 1966 with total page pages. Available in PDF, EPUB and Kindle. Book excerpt:

Book An Experimental Investigation of the Effect of Surface Conditions on Nucleate Pool Boiling Heat Transfer to Liquid Nitrogen from a Horizontal Surface

Download or read book An Experimental Investigation of the Effect of Surface Conditions on Nucleate Pool Boiling Heat Transfer to Liquid Nitrogen from a Horizontal Surface written by Michael Damon Maynard and published by . This book was released on 1966 with total page 86 pages. Available in PDF, EPUB and Kindle. Book excerpt: A system was designed to investigate experimentally the mechanism of nucleate pool boiling heat transfer using commercial grade liquid nitrogen as a working fluid. A circular horizontal flat plate five square centimeters in area was utilized as a boiler surface. The effect of various surface parameters on the characteristic heat flux versus (Tw-Ts) curve at atmospheric conditions was determined. Surfaces used included a highly polished mirror surface, a mirror surface coated with oxide, a mirror surface coated with grease, a roughened surface, and a roughened surface coated with Teflon, all fabricated from commercial electrical tough pitch copper. The final surface used was a Nickel 200 highly polished mirror surface. The data from the copper surface with a mirror finish was in agreement with the data of previous investigations. The effects of roughness, contaminants, hysteresis, and boiler surface material were discussed. A comparison was made on incipient boiling heat fluxes. The results indicate that the surface conditions play a major role in nucleate pool boiling heat transfer to liquid nitrogen.

Book The Effect of Surface Vibration on Nucleate Pool Boiling at Low Heat Fluxes

Download or read book The Effect of Surface Vibration on Nucleate Pool Boiling at Low Heat Fluxes written by Donald Craig Price and published by . This book was released on 1966 with total page 344 pages. Available in PDF, EPUB and Kindle. Book excerpt:

Book Effect of Oil Contamination on Nucleate Pool Boiling of Refrigerant 113

Download or read book Effect of Oil Contamination on Nucleate Pool Boiling of Refrigerant 113 written by Deborah L. Jackman and published by . This book was released on 1981 with total page 280 pages. Available in PDF, EPUB and Kindle. Book excerpt:

Book A study of surface and geometric effects on the nucleate boiling of liquid nitrogen and liquid argon from atmospheric to the critical pressure

Download or read book A study of surface and geometric effects on the nucleate boiling of liquid nitrogen and liquid argon from atmospheric to the critical pressure written by Calvin B. Cobb and published by . This book was released on 1967 with total page 152 pages. Available in PDF, EPUB and Kindle. Book excerpt:

Book The Effects of Surface Conditions on Boiling Characteristics

Download or read book The Effects of Surface Conditions on Boiling Characteristics written by James John Lorenz and published by . This book was released on 1972 with total page 29 pages. Available in PDF, EPUB and Kindle. Book excerpt: A unified model relating surface variables to the nucleate pool boiling characteristics was developed. A simple vapor trapping mechanism was postulated and a geometrical model constructed for idealized conical cavities relating the effective radius for nucleation to cavity radius, cone angle and contact angle. This model for individual cavities was extended to the entire surface providing an expression for the cumulative site density in terms of geometrical parameters. A gas diffusion technique was developed to measure the effective radius for natural cavities and was used successfully to verify the nucleation criteria Delta T = 2(sigma)(T sub s)(V sub fg)/h(fg)rho. A transient heat conduction model was esxperimentally verified for water and organics at atmospheric pressure and was incorporated into a unified expression showing explicitly the role of surface geometry and contact angle. (Author).

Book Surface Geometry Effects in Nucleate Pool Boiling

Download or read book Surface Geometry Effects in Nucleate Pool Boiling written by S. O. Nwafor and published by . This book was released on 1974 with total page pages. Available in PDF, EPUB and Kindle. Book excerpt:

Book Experiments on the Mechanism of Saturated Nucleate Pool Boiling Heat Transfer

Download or read book Experiments on the Mechanism of Saturated Nucleate Pool Boiling Heat Transfer written by Bruce David Marcus and published by . This book was released on 1963 with total page 444 pages. Available in PDF, EPUB and Kindle. Book excerpt:

Book The Effect of Heater Surface Grain Size on Nucleate Pool Boiling

Download or read book The Effect of Heater Surface Grain Size on Nucleate Pool Boiling written by Charles Bainbridge Wooldridge and published by . This book was released on 1958 with total page 294 pages. Available in PDF, EPUB and Kindle. Book excerpt:

Book The Effects of Superheat  Solid Material  and Surface Conditions on Nucleate Boiling Heat Transfer

Download or read book The Effects of Superheat Solid Material and Surface Conditions on Nucleate Boiling Heat Transfer written by Mohamed Mokhtar El-Halwagi and published by . This book was released on 1962 with total page 152 pages. Available in PDF, EPUB and Kindle. Book excerpt: