The NASA-sponsored high accuracy fuel flowmeter development program is described. The goal is to develop a flightworthy meter that measures mass flowrate of aircraft fuels to within plus/minus 0.25 % of reading over a 50:1 range of flow. A study of measurement techniques to achieve this goal yielded three candidates: (1) a dual-turbine flowmeter with density and viscosity compensation; (2) an angular momentum flowmeter with a motor-driven, spring-restrained turbine and viscosity shroud; and (3) a vortex precession flowmeter with density and viscosity compensation. An experimental study of each technique was completed and the first two candidates were selected for prototype development. This work is currently under way. The prototype meter with the best performance will be developed into a flightworthy meter. Initial flight testing is scheduled for 1985.


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    Title :

    The NASA high accuracy fuel flowmeter (HAFF) development program


    Additional title:

    Das NASA-Entwicklungsprogramm (HAFF) fuer praezise Treibstoff-Durchflussmessung


    Contributors:

    Published in:

    Publication date :

    1983


    Size :

    4 Seiten, 3 Bilder, 1 Quelle


    Type of media :

    Conference paper


    Type of material :

    Print


    Language :

    English




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