Download or read book A Study of the Nucleate Boiling of Liquid Nitrogen Liquid Argon and Liquid Carbon Monoxide from Atmospheric to Near the Critical Pressure written by Craig Bauer Johler and published by . This book was released on 1969 with total page 132 pages. Available in PDF, EPUB and Kindle. Book excerpt: "The nucleate boiling curves of three corresponding states liquids (nitrogen, argon, and carbon monoxide) were analyzed. Each liquid was studied at pressures ranging from atmospheric pressure to near the critical pressure. Saturated liquid boiling was conducted from cylindrical heaters in the horizontal position having diameters of 0.75 inches and lengths of three inches. Liquid nitrogen was boiled from four different gold heat transfer surfaces; argon and carbon monoxide were boiled from the same gold surface. The critical heat flux correlation of Cobb and Park was further verified by agreement with the experimental critical heat flux ratios obtained in this investigation. It was demonstrated that the critical heat flux is a function of the heat transfer surface; and that this dependence on surface conditions should be provided for in maximum heat flux correlations. Nucleate boiling curves obtained for liquid nitrogen illustrated that a change in boiling heat transfer surface affects both the slope and shape of nucleate boiling curves. The nucleate boiling of carbon monoxide was observed to show partial film boiling along with low critical heat fluxes. Measured over a wide range of reduced pressures, the liquid argon critical heat fluxes were approximately 24 percent higher than liquid nitrogen critical heat fluxes for a given surface. When compared to the critical heat fluxes of liquid carbon monoxide, the critical heat fluxes of liquid argon and liquid nitrogen averaged 176 and 130 percent larger in magnitude respectively"--Abstract, leaf ii.

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:

Download or read book Scientific and Technical Aerospace Reports written by and published by . This book was released on 1977 with total page 266 pages. Available in PDF, EPUB and Kindle. Book excerpt:

Download or read book An Experimental Study of Nucleate Boiling in Saturated Liquid Oxygen and Nitrogen Between Subatmospheric and Thee Critical Pressures written by Philip George Kosky and published by . This book was released on 1963 with total page 162 pages. Available in PDF, EPUB and Kindle. Book excerpt:

Download or read book Advances in Cryogenic Engineering written by K. D. Timmerhaus and published by Springer Science & Business Media. This book was released on 2013-11-11 with total page 494 pages. Available in PDF, EPUB and Kindle. Book excerpt: 1969 marked the return of the Cryogenic Engineering Conference, now affiliated with the National Academy ofSciences through the Division ofEngineering, National Research Council, to the University of California at Los Angeles. As in 1962, the Cryogenic Engineering Conference gratefully acknowledges the assistance of UCLA, its Engineering and Physical Seien ces Extension Division, and in particular J. Dillon, S. Houston, H. L. Tallman, and their stafffor serving as hosts to the 1969 Cryogenic Engineering Conference. The National Academy of Sciences is a private honorary organization of more than 700 scientists and engineers elected on the basis of outstanding contributions to knowledge. Established by a Congressional Act of Incorporation, the Academy works to further science and its use for the general welfare by bringing together the most qualified individuals to deal with scientific and technological problems of broad significance. The National Research Council was organized as an agency of the National Academy of Sciences in 1916, to enable the broad community of U.S. scientists and engineers to associate their efforts with the Iimited membership of the Academy in service to science and the nation. The Division of Engineering is one of the eight major Divisions into which the National Research Council is organized for the conduct of its work. Its membership includes representatives of the nation's leading technical societies as weH as a number of members-at-Iarge. The Cryogenic Engineering Conference is an organization of the Division of Engineering.

Download or read book A Visual Study of Velocity and Buoyancy Effects on Boiling Nitrogen written by Robert J. Simoneau and published by . This book was released on 1966 with total page 32 pages. Available in PDF, EPUB and Kindle. Book excerpt:

Download or read book Nucleate Boiling Heat Transfer to Liquid Nitrogen at Atmospheric Pressure written by Satish R. Parikh and published by . This book was released on 1966 with total page 170 pages. Available in PDF, EPUB and Kindle. Book excerpt: "The object of this investigation was to study the effect of micro-roughness, a thin layer of oil, and infra-red radiations on the cylindrical heat transfer surface of copper, in liquid nitrogen and at atmospheric pressure during nucleate boiling. An attempt was made to find any possible effect of orientation of the heat transfer element on nucleate boiling. A number of different runs were taken with different degrees of roughness, and different orientation positions. Nucleate boiling has been found to be nearly independent of the heat transfer surface roughness and of orientation while strongly dependent on the chemical nature of the surface. Extremely high temperature differences were obtained in the nucleate boiling region by application of a thin layer of oil to the heat transfer surface. Temperature gradients in both the axial direction and the radial direction were found for the surface of the heat transfer element"--Abstract, leaf iii.

Download or read book International Aerospace Abstracts written by and published by . This book was released on 1970 with total page 730 pages. Available in PDF, EPUB and Kindle. Book excerpt:

Download or read book Survey of the Literature Pertaining to the Phenomena of Nucleate Boiling written by R. A. Rockow and published by . This book was released on 1959 with total page 58 pages. Available in PDF, EPUB and Kindle. Book excerpt:

Download or read book A Study of the Initiation of Nucleate Boiling in the Liquid Metals written by Robert Edward Holtz and published by . This book was released on 1964 with total page 48 pages. Available in PDF, EPUB and Kindle. Book excerpt: An analysis has been conducted to predict the liquid superheats that will be required to initiate nucleate boiling in the alkali metals. The classical two-phase mechanical and thermal equilibrium equation is solved by applying a modeling of the behavior of the pressure in the liquid for water and the alkali metals. Curves are presented showing the liquid superheats required for nucleate boiling in sodium and potassium.

Download or read book Advances in Cryogenic Engineering written by Klaus D. Timmerhaus and published by . This book was released on 1975 with total page 544 pages. Available in PDF, EPUB and Kindle. Book excerpt:

Download or read book the eeffect of superatmospheric pressures on nuclear boiling of organic liquids written by russell b mcsler, julius t banchers and published by . This book was released on 1957 with total page 64 pages. Available in PDF, EPUB and Kindle. Book excerpt:

Download or read book incipient and steady boiling of liquid nitrogen and liquid hydrogen under reduced gravity written by herman merte. jr. and published by . This book was released on 1970 with total page 138 pages. Available in PDF, EPUB and Kindle. Book excerpt:

Download or read book Water Resources Data written by and published by . This book was released on 1973 with total page 544 pages. Available in PDF, EPUB and Kindle. Book excerpt:

Download or read book Nuclear Science Abstracts written by and published by . This book was released on 1974 with total page 852 pages. Available in PDF, EPUB and Kindle. Book excerpt:

Download or read book Adbances in Cryogenic Engineering written by and published by . This book was released on 1970 with total page 496 pages. Available in PDF, EPUB and Kindle. Book excerpt:

Download or read book The Inception of Nucleate Boiling with Liquid Nitrogen written by David Wright Almgren and published by . This book was released on 1966 with total page 75 pages. Available in PDF, EPUB and Kindle. Book excerpt: Delayed inception of nucleate boiling and patchwise boiling are discussed and the significant parameters restricting the growth of a boiling patch are analytically determined to be: (1) a high nucleate boiling heat transfer coefficient; (2) a low total heat flux; (3) the absence of cavities with a trapped liquid-vapor interface outside the boiling patch; (4) an appropriate value of wall thermal conductivity; (5) a high vapor enthalpy per bubble. A qualitative agreement between theory and experiment was observed for items 1, 2, 3 and 4. A series of pool boiling tests were conducted at one atmosphere of pressure in order to develop a surface finish that would eliminate the observed temperature hysteresis at inception of boiling of liquid nitrogen. The best surface finish developed used a bi-metallic (Zm + Cu) flame spray process. The flame spray and a 0.3-micron-grit polished copper surface were tested for their nucleation properties in forced flow of liquid nitrogen. Visual observations indicated that nucleation occurred promptly on both surfaces at approximately the same wall temperature. (Author).