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Title: Measurement Of The Air Flow Rate In An Engine Inlet Duct For Altitude Engine Tests
Author: W. Kang H-M. Choi Y-M. Choi S-H. Lee Y-G. Kim C-T. Kim K-J. Lee
Source: Flomeko 2016
Year Published: 2016
Abstract: An altitude engine test was carried out to measure the performan ce of the gas turbine engine of a flight vehicle at a high altitude and in a fligh t speed environment prior to a flight test. The a ir flow r ate in the engine inlet is one of the most significant parameters to consider when calc ulating the typical performance values such as the net thrust and the specific fuel consumption of a gas turbine engine. In the altitude engine test facility of the Korea Aerospace Research Institute (KARI), air flow rate s are calculated by the static pressure , the total pressure and the temperature measured in an engine inlet duct. In the present study, in order to verify the air flow rate measurement at the engine inlet duct of the KARI altitude engine test facility, the inlet flow measurement devices of a total pressure rake, a total temperature rake and a boundary - layer rake were tested in the high pressure gas flow standard system of the Korea Research Institute of Standards and Science (KRISS).

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