A summary is given of the objectives for the testing programme of modern civil transport engines. A typical modern testing programme is described covering timescale, test hours, number of engines and the different types of testing, such as performance, environmental, systems and mechanical testing. The effects on the programme of parts with long lead times, and the requirements for separate component testing are addressed. The testing conducted for manufacturer's purposes and that required by the certification authorities are compared, both for complete engines and for separate components and rigs. Typical test programmes in altitude test facilities and in flight are covered. Comparisons are drawn between modern programmes and associated techniques, and those in the recent past. The paper concludes with a look at the future, including the influence of new materials and the demands of higher fuel efficiency. (Wassmann)
Development of test requirements for civil engines
Entwicklung von Pruefbedingungen fuer Verkehrsflugzeugantriebe
1981
16 Seiten, 15 Bilder
Aufsatz (Konferenz)
Englisch
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