Altitude gas turbine engine test cell

Measuring and testing – Vehicle chassis – Steering

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738656, G01M 1500

Patent

active

053967933

ABSTRACT:
The test cell has a pressure recovery pipe (26) receiving air from the tested engine (14). Excess air is inherently induced into the pipe. A source flow path for this excess air is provided from within the pipe (36) back to the entrance the pipe passing through a perforated bulkhead (30). High local velocities of the recirculating air, resulting variable static pressures on the engine and uncertainty in the thrust measurement are avoided.

REFERENCES:
patent: 2615331 (1952-10-01), Lundgren
patent: 3205705 (1965-09-01), Talley
patent: 4034604 (1977-07-01), Decher et al.
patent: 4537068 (1985-08-01), Simpson

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