Browsing Department of Mechanical Engineering by Title
Now showing items 58-77 of 137
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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 ... -
Heat transfer to impacting drops and post critical heat flux dispersed flow
(Cambridge, Mass. : Heat Transfer Laboratory, Dept. of Mechanical Engineering, Massachusetts Institute of Technology, [1978], 1978)Heat transfer to drops impacting on a hot surface is examined in context of dispersions of flowing, boiling fluids. The liquid contribution to heat transfer from a hot tube to a two-phase dispersion is formulated in terms ... -
Improved Temporal Stability of Polymethine Laser Dyes in Aqueous Solutions
(Institute of Electrical and Electronic Engineers, 1973)Polymethine laser dyes which fluoresce in the near infrared in organic solvents generally exhibit poor temporal stability at room temperature. Two typical laser-pumped polymethine dyes in aqueous solutions containing ... -
The influence of return bends on the downstream pressure drop and condensation heat transfer in tubes
(Cambridge, Mass. : M.I.T. Heat Transfer Laboratory, [1971], 1971)The influence of return bends on the downstream pressure drop and heat transfer coefficient of condensing refrigerant R-12 was studied experimentally. Flow patterns in glass return bends of 1/2 to 1 in. radius and 0.315 ... -
Influence of surface roughness and waviness upon thermal contact resistance
(Cambridge, Mass. : M.I.T. Dept. of Mechanical Engineering, [1967], 1967)This work deals with the phenomenon of thermal resistance between contacting solids. Attention is directed towards contiguous solids possessing both surface roughness and waviness. When two such surfaces are brought together ... -
Interpreting Photoactive Fluorescence Microscopy Measurements of Steady-State Actin Dynamics
(Biophysical Society, 1995)A continuum model describing the steady-state actin dynamics of the cytoskeleton of living cells Has been developed to aid in the interpretation of photoactivated fluorescence experiments. In a simplified cell geometry, ... -
Investigation of heat transfer augmentation through use of internally finned and roughened tubes : final summary report
(Cambridge, Mass. : M.I.T. Heat Transfer Laboratory, [1970], 1970)This report summarizes a three-year program concerned with obtaining basic design information for tubes having a random roughness on the inside wall (RID) and tubing having continuous internal fins (Forge Fin). Test apparatus ... -
Lasing Efficiency and Photochemical Stability of IR Laser
(Institute of Electrical and Electronic Engineers, 1976)The lasing efficiencies and photochemical stabilities of laser dyes useful in the 710-1080-nm spectral region have been investigated using a Q-switched ruby laser pumping source. The measured bleaching rates P defined ... -
Liquid and gas distributions in a two-phase boiling analogy
(Cambridge, Mass. : Massachusetts Institute of Technology, Division of Industrial Cooperation, [1958], 1958)This report contains a description of the design and operation of an experimental appats for the analysis of two-phase flows similar to thom occuwring in boiler tubes at low pressures. Velocity and denuity profiles of ... -
The Measurement, interpretation and use of unsteady momentum fluxes in two-phase flow.
(Cambridge, Mass. : M.I.T. Dept. of Mechanical Engineering, [1967], 1967)The steady and unsteady components of the momentum flux in a two-phase flow have been measured at the exit of a vertical pipe by means of an impulse technique using a turning tee and beam. Different electrical filters have ... -
Mechanics of nonlinear short-wave generation by a moored near-surface buoy
(Cambridge University Press, 1999)We consider the nonlinear interaction problem of surface waves with a tethered near-surface buoy. Our objective is to investigate mechanisms for nonlinear short surface wave generation in this complete coupled wave-buoy-cable ... -
Mechanism and behavior of nucleate boiling heat transfer to the alkalai liquid metals
(Cambridge, Mass. : M.I.T. Heat Transfer Laboratory, [1969], 1969)A model of boiling heat transfer to the alkali liquid metals is postulated from an examination of the events and phases of the nucleate boiling cycle. The model includes the important effect of microlayer evaporation which ... -
Mechanism of dropwise condensation
(Cambridge, Mass. : M.I.T. Dept. of Mechanical Engineering, [1963], 1963)From a study of surface phenomena, information is obtained about conditions under which net condensation can occur. An experimental examination of the surface, using an optical method capable of detecting thin films of ... -
The mechanism of heat transfer in nucleate pool boiling
(Cambridge, Mass. : M.I.T. Division of Sponsored Research, [1962], 1962)A criterion is developed for bubble initiation from a gas filled cavity on a surface in contact with a superheated layer of liquid. It is found that the temperature of bubble initiation on a given surface is a function of ... -
Mechanism of nucleate pool boiling heat transfer to sodium and the criterion for stable boiling
(Cambridge, Mass. : M.I.T. Engineering Projects Laboratory, [1967], 1967)A comparison between liquid metals and other common fluids, like water, is made as regards to the various stages of nucleate pool boiling. It is suggested that for liquid metals the stage of building the thermal layer plays ...
