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Original Articles

Fluctuating Temperature Measurements in a Heated Round Free Jet

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Pages 63-81 | Received 05 Jan 1979, Accepted 19 Sep 1979, Published online: 27 Apr 2007
 

Abstract

Measurements of the fluctuating temperature in a heated round turbulent free jet have been performed with the aid of a fine wire thermocouple compensated for the effects of thermal inertia. The use of particularly fine thermocouple wires (12.7 μm in diameter) and of digital signal processing represent special features of the experiment. Data are reported for the mean, rms, probability density function, spatial correlation, energy spectrum and, with some reservation, dissipation of the fluctuating temperature. Where possible these are compared with the data of other workers.

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