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Exchange of Thermal Radiation Between Surfaces Separated by Transparent Medium

  • Rajendra KarwaEmail author
Chapter

Abstract

Radiation heat exchange between two black surfaces depends on the shape and size of the bodies, relative position, and distance between them while the radiation exchange between gray bodies also depends on their emissivity. For calculation of the radiation exchange between two black surfaces, basic integral equation of the shape factor has been derived which represents the fraction of the total radiation emitted by a surface intercepted by other surface. Salient features of the shape factor have been presented and a number of illustrative examples on calculation of the shape factor for different systems have been given. Radiation exchange between gray bodies is a complex process. Electrical analogy-based method is given to solve such problems wherein the actual system is reduced to an equivalent electric network. Concept of radiation shield, which reduces the radiation heat transfer from a body by placing a thin opaque partition between the surfaces, has been explained in Sect. 11.9. In the end of the chapter, the Newton’s law of cooling is presented.

Keywords

Shape or geometrical or view factor Shape factor characteristics Radiosity Irradiation Electrical analogy Radiation network Radiation shield Newton’s law of cooling 

References

  1. Howell JR (1982) A catalog of radiation configuration factors. McGraw-Hill Book Co, New YorkGoogle Scholar
  2. Siegel R, Howell JR (2002) Thermal radiation heat transfer. Taylor & Francis, New YorkGoogle Scholar
  3. Mikheyev M (1968) Fundamental of heat transfer. MIR Publishers, MoscowGoogle Scholar

Copyright information

© Springer Science+Business Media Singapore 2017

Authors and Affiliations

  1. 1.Jodhpur Institute of Engineering & TechnologyJodhpurIndia

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