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Some Aspects of Energy Transfer in the Electrode and Settling Sections of an Arc-Heated Wind Tunnel

Report Number: AEDC TDR 63-72
Author: Carden, William H.
Corporate Author: ARO, Inc.
Date of Publication: 1963-04
Pages: 28
Contract: AF 40(600)-1000
Project: 8950
Task: 895004
AD Number: AD0401921

A calorimetric investigation of certain energy transfer processes in the settling region of an arc-heated wind tunnel has been made. The effects of anode length and diameter on heat-transfer rates in he stilling chamber have been studied for a range of flow conditions. A radiation-cooled heat shield for use in the stilling chamber has been proposed and evaluated. A 20-percent reduction in the stilling chamber heat loss and a five-percent gain in overall efficiency are indicated with the installation of a suitable heat shield.

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