Browsing Heat Transfer Laboratory Technical Reports by Title
Now showing items 14-33 of 80
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The effect of nonuniform axial heat flux distribution on the critical heat flux
(Cambridge, Mass. : M.I.T. Dept. of Mechanical Engineering, [1965], 1965)A systematic experimental and analytic investigation of the effect of nonuniform axial heat flux distribution on critical heat rilux was performed with water in the quality condition. Utilizing a model which ascribes the ... -
The effect of surface conditions on nuceate pool boiling heat transfer to sodium
(Cambridge, Mass. : M.I.T. Dept. of Mechanical Engineering, [1965], 1965)A simplified theoretical model for bubble nucleation stability has been proposed, and an approximate stability criterion has been developed. This criterion contains both fluid and surfqce properties, and it predicts that ... -
The effect of surface roughness and waviness upon the overall thermal contact resistance
(Cambridge, Mass. : M.I.T. Dept. of Mechanical Engineering, [1966], 1966)A thermal contact conductance equation was developed which considers both the effect of surface roughness and waviness. It was shown that the overall thermal contact conductance is determined by the roughness at large ... -
The Effect of vapor subcooling on film condensation of metals
(Cambridge, Mass. : M.I.T. Engineering Projects Laboratory, [1968], 1968)This work presents an analysis of the interfacial "vapor-condensate" temperature distribution, which includes the effect of subcooling (supersaturation) in the vapor. Experimental data from previous investigators for ... -
The effects of surface conditions on boiling characteristics
(Cambridge, Mass. : M.I.T. Engineering Projects Laboratory, [1972], 1972)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 ... -
The effects of surface instabilities on laminar film condensation
(Cambridge, Mass. : M.I.T. Dept. of Mechanical Engineering, [1965], 1965)Heat transfer rates for laminar film condensation of Freon-1l3 were measured on the underside of horizontal surfaces, inclined surfaces, and vertical surfaces. Several distinct regimes of flow were observed. On the underside ... -
Entrance effects in a developing slug flow
(Cambridge, Mass. : Massachusetts Institute of Technology, Division of Industrial Cooperation, [1960], 1960)The kinetics of a Taylor bubble, as it rises behind a series of other bubbles in a gas-liquid slug flow, have been determined. The rise velocity of a bubble is expressed as a function of separation distance from the bubble ... -
An experimental and theoretical study of density wave oscillations in two-phase flow
(Cambridge, M.I.T. Engineering Projects Laboratory [1969], 1969) -
An experimental and theoretical study of radiative and conductive heat transfer in nongray semitransparent media
(Cambridge, Mass. : M.I.T. Engineering Projects Laboratory, [1969], 1969)One dimensional temperature profiles and heat fluxes within a slab of molten glass were measured experimentally. The glass slab was contained in a platinum foil lined ceramic tray inside a high temperature furnace. An ... -
Film boiling of saturated liquid flowing upward through a heated tube : high vapor quality range
(Cambridge, Mass. : M.I.T. Dept. of Mechanical Engineering, [1964], 1964)Film boiling of saturated liquid flowing upward through a uniformly heated tube has been studied for the case in which pure saturated liquid enters the tube and nearly saturated vapor is discharged. Since a previous study ... -
Film boiling on the inside of vertical tubes with upward flow of the fluid at low qualities
(Cambridge, Mass. : Dept. of Mechanical Engineering, Massachusetts Institute of Technology, [1963], 1963)Flow regimes, local heat transfer coefficients, and temperature distributions along the wall have been studied for film boiling inside a vertical tube with upward flow of a saturated liquid. The area of interest has been ... -
Film condensation of liquid metals -- precision of measurement
(Cambridge, Mass. : M.I.T. Engineering Projects Laboratory, Dept. of Mechanical Engineering, [1969], 1969)Major differences exist in results published by investigators of film condensation of liquid metal vapors. In particular, the reported dependence of the condensation coefficient on pressure has raised questions about both ... -
Forced-convection condensation inside tubes
(Cambridge, Mass. : M.I.T. Heat Transfer Laboratory, [1971], 1971)High vapor velocity condensation inside a tube was studied analytically. The von Karman universal velocity distribution was applied to the condensate flow, pressure drops were calculated using the Lockhart- Martinelli ... -
Forced-convection surface-boiling heat transfer and burnout in tubes of small diameters
(Cambridge, Mass. : M.I.T. Dept. of Mechanical Engineering, [1962], 1962)A basic heat-transfer apparatus was designed and constructed for the study of forced-convection boiling in small channels. The various regions of forced-convection surface boiling were studied experimentally and analytically. ... -
Forced-convection, dispersed-flow film boiling
(Cambridge, Mass. : M.I.T. Dept. of Mechanical Engineering, [1969], 1969)This report presents the latest results of an investigation of the characteristics of dispersed flow film boiling. Heat transfer data are presented for vertical upflow of nitrogen in an electrically heated tube, 0.4 in. ... -
Heat transfer and pressure drop data for high heat flux densities to water at high subcritical pressures
(Cambridge, Mass. : M.I.T. Division of Industrial Cooperation, 1951, 1951)Local surface ooeffioients of heat t-ansfer, overall pressure drop data and mean friction factor are presented for heat flamms up to 3.52106 BtuAr ft2 for water flowing in a nickel tabe isder the following conditions: mass ... -
Heat transfer and pressure drop in tape generated swirl flow
(Cambridge, Mass. : M.I.T. Dept. of Mechanical Engineering, [1967], 1967)The heat transfer and pressure drop characteristics of water in tape generated swirl flow were investigated. The test sections were electrically heated small diameter nickel tubes with tight fitting full length Inconel ... -
Heat transfer during film condensation of a liquid metal vapor
(Cambridge, Mass. : M.I.T. Dept. of Mechanical Engineering, [1964], 1964)The object of this investigation is to resolve the discrepancy between theory and experiment for the case of heat transfer durirnfilm condensation of liquid metal vapors. Experiments by previous investigators have yielded ... -
Heat transfer during film condensation of potassium vapor
([Cambridge, Mass.] : M.I.T. Engineering Projects Laboratory, [1966], 1966)The object of this work is to investigate theoretically and experimentally the following two phases of heat transfer during condensation of potassium vapore, a. Heat transfer during film condensation of pure saturated ... -
Heat transfer during film condensation of potassium vapor on a horizontal plate
(Cambridge, Mass. : M.I.T. Engineering Projects Laboratory, [1968], 1968)The object of the investigation is to analyze the following two features of heat transfer during condensation of potassium vapor: a. Heat transfer during film condensation of a pure saturated potassium vapor on a horizontal ...
