Radiative shape factors for probes in tubes of variable wall temperature
McCulloch, William Henry
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Error in the measurement of gas temperatures due to radiation heat transfer to or from the temperature-sensitive device is a problem often encountered. The problem has been attacked many different ways, some of them using analytical methods. However, a satisfactory analytical procedure for dealing with a general problem involving a surface which has a variable temperature has not been presented. This analysis provides such a method. It deals with the general class of problems concerning a cylindrical probe involved in radiant heat interchange with its cylindrical enclosure. This analysis provides the data necessary to calculate the amount of radiant heat transfer to or from the probe at any location inside the tube and for any temperature distribution along the tube.