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Radiation Heat Transfer Analysis Of A Czochralski Furnace With A Radiation Shield, Frederick A. Merz
Radiation Heat Transfer Analysis Of A Czochralski Furnace With A Radiation Shield, Frederick A. Merz
Theses
This paper reports on the radiation heat transfer from the melt in a Czochralski crystal growing furnace in the presence of a radiation shield The change of radiation heat transfer effects three basic areas, the cooling rate of the crystal, the bulk flow and the bulk temperature of the melt. The shield is installed above the melt to inhibit the heat transfer from the melt to the cooling crystal, allowing the crystal to grow 40% faster. Radiation is the primary mode of heat transfer in the furnace where the temperature to grow silicon crystals is around 1773K. The governing equations …
A Literature Review On Radioactive Interactions With Real Molecular Gases In Laminar And Turbulent Flow In Circular Pipes, Robert P. Quinn
A Literature Review On Radioactive Interactions With Real Molecular Gases In Laminar And Turbulent Flow In Circular Pipes, Robert P. Quinn
Theses
A literature review is provided concerning the subject of radiative heat transfer interactions of real molecular gases with the additional modes of heat transfer, conduction and convection, in laminar and turbulent flow in circular pipes. The review is composed of four sections. Section 1 provides basic heat transfer theory for laminar and turbulent flow in circular pipes. The differential equations for conservation of mass, momentum, and energy are briefly developed. Heat transfer solutions and techniques are discussed for cases where radiative heat transfer is neglected. Section 2 provides basic transport theory for radiative heat transfer in participatory media. A macroscopic …