HEAT AND MASS TRANSFER TO PALLING WATER DROPLET IN A STEAM ATMOSPHERE

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Date
1983-12
Authors
Onyemaechi, Anozie
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Abstract
The problem is the determination of the temperature and density distribution in a steam atmosphere surrounding a falling droplet. Prom the results thus obtained, the heat and mass fluxes are computed along with their respective transfer coefficients. Numerical computation is required and an explicit finite difference method is used in the reduction of the energy and mass equations into finite difference forms. The velocity distribution is obtained from the numerical solution of the viscous flow around a droplet at a Reynolds number of 1000. Prom this distribution, the eddy diffusivity distribution is obtained. The droplet model used is that of complete mixing, that is, the droplet is assumed to be vigorously mixed such that the temperature and density profile in the droplet is uniform. Computed results are compared with few available data and are found to be in good agreement. Thesis Supervisor: M. W. Golay Title: Associate Professor of Nuclear Engineering
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Submitted in partial fulfillment of the requirements for the Degree of MASTER OF SCIENCE at the MASSACHUSETTS INSTITUTE OF TECHNOLOGY
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