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AIR5771 - The Measurement of Engine Performance in an Altitude Test Facility

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Document Number: AIR5771
Project Initiation: 10-06-2007
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Sponsor Name: Peter Meecham
Title
The Measurement of Engine Performance in an Altitude Test Facility
Scope
Part 1: General Description • Experimental Techniques • Test cell, Engine mounting, and thrust frame • Inlet Ductwork and airflow measurement • Instrumentation • General installation Part 2: Lessons learned • Identification of risks • Test optimisation through defined measurement processes • Mitigation and evaluation of impact on measurement uncertainty
Rationale
The aim of the document is to assemble and record the current knowledge of the use of the altitude test facility (ATF) for in-flight thrust determination. There is a particular need to identify and understand the defined test processes that have the greatest influence on the accuracy of the result. The document will address how to identify these key parameters and recommend best practices for optimizing them.
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