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Record Details

Record 21 of 24715
Injected Water Augments Cooling In Turboshaft Engine
Author and Affiliation:
Biesiadny, Thomas J.(NASA Lewis Research Center, Cleveland, OH.)
Berger, Brett(Army Aviation Research and Technology Activity)
Klann, Gary A.(Army Aviation Research and Technology Activity)
Clark, David A.(Army Aviation Research and Technology Activity)
Abstract: Report describes experiments in which water injected into compressor-bleed cooling air of aircraft turboshaft engine. Injection of water previously suggested as way to provide additional cooling needed to sustain operation at power levels higher than usual. Involves turbine-inlet temperatures high enough to shorten lives of first-stage high-pressure turbine blades. Latent heat of vaporization of injected water serves as additional heat sink to maintain blades at design operating temperatures during high-power operation.
Publication Date: Feb 01, 1989
Document ID:
19890000090
(Acquired Nov 04, 1995)
Accession Number: 89B10090
Subject Category: MACHINERY
Report/Patent Number: LEW-14706
Document Type: NASA Tech Brief
Publication Information: NASA Tech Briefs (ISSN 0145-319X); 13; 2; P. 85; (SEE N87-20280/TB)
Publisher Information: United States
Financial Sponsor: NASA; United States
Organization Source: NASA Lewis Research Center; Cleveland, OH, United States
Description: In English
Distribution Limits: Unclassified; Publicly available; Unlimited
Rights: No Copyright
NASA Terms: AIRCRAFT ENGINES; ENGINE COOLANTS; TURBOSHAFTS
Availability Source: National Technology Transfer Center (NTTC), Wheeling, WV
Availability Notes: Additional information available through: National Technology Transfer Center (NTTC), Wheeling, WV 26003, (Tel: 1-800-678-6882).
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