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A Pressure Data System For A 50-In. Continuous Mach 8 Wind Tunnel

Report Number: AEDC TDR 62-96
Author: Hightower, F. C., Jr.
Corporate Author: Arnold Engineering Development Center Arnold Air Force Station Tenn
Laboratory: Arnold Engineering Development Center
Date of Publication: 1962-05
Pages: 30
Contract: AF 40(600)-800
Project: None Given
AD Number: AD0275554

This report is a description of a pressure data system designed and built for use with a 50-inch, continuous, Mach 8 wind tunnel. The system is basically a nine-channel system, with a capacity for 99 model pressure ports. Three ranges and seven reference pressure levels are employed to provide an extended pressure level coverage, while maintaining low-level sensitivity. Control circuits are employed to automatically select the proper range and refernce level for each pressure measurement, and to simplify calibration procedures. A description of the measuring and control systems components is included, along with a section on the operation of the control system. The report is concluded with an evaluation of the pressure data system, based on a two-year period of operation.

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