Browsing by Author "Tam, Kenneth Kai-Hong"
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Item Effect of pressure on heat transfer in nucleate pool boiling(1968) Tam, Kenneth Kai-Hong; Beaubouef, Richard T.; Witte, Larry C.; Honeywell, Wallace I.An experimental study of nucleate pool boiling heat transfer was carried out over a pressure range between 4.70 psia to 3 atmospheres pressure in order to understand the effect of pressure upon boiling heat transfer. Degassed, distilled water was used as the boiling fluid. Experimental data were obtained from high speed motion pictures, consisting of number of bubbles (N) on the heating surface, bubble departure diameter (Db) and frequency of departure (f). Heat transfer rate was obtained from a wattmeter connected between power source and heater, and independently by calculation employing a measured temperature gradient within the heating rod. [...]Item Solutions for various problems in two dimensional and axisymmetrical steady viscous flow with harmonic pressure field(1972) Tam, Kenneth Kai-Hong; Beaubouef, Richard T.; Dalton, Charles; Batten, George W., Jr.; Wheeler, Lewis T.; Hwang, Neddy H. C.The problem of viscous incompressible flow with harmonic pressure field is studied theoretically. A new function, called momentum streamfunction, is introduced to yield a simple method for evaluating the shear stress distribution at the boundary. The semi-inverse method involving the technique of conformal mapping, used successfully in obtaining the biharmonic stressfunction in the theory of elasticity, is modified to solve the biharmonic equation, [del operator][superscript 4][psi] = 0, for plane internal flows and E[superscript 4][psi] = 0 for axisymmetric three-dimensional flows. New problems as well as well-known classical problems are presented to demonstrate utility and economy of the method.