Abstract

In order to analyse the radiant heat transfer characteristics of a concave source, two vital concepts must be clearly understood. The first is called the apparent emissivity Ea and is a function of both the local total emissivity E and of the geometry of the source. Although the total emissivities of ordinary substances range between zero and one, the two extremeties never occur. Surface emissivities which approach these values in the limit, must be created mechanically from materials in the range 0

Degree

MS

College and Department

Mechanical Engineering

Rights

http://lib.byu.edu/about/copyright

Date Submitted

1963-8

Document Type

Thesis

Handle

http://hdl.lib.byu.edu/1877/Letd25

Keywords

Heat — Radiation and absorption

Language

English

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