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Energy Efficient Engine high pressure turbine component test performance reportThe high pressure turbine for the General Electric Energy Efficient Engine is a two stage design of moderate loading. Results of detailed system studies led to selection of this configuration as the most appropriate in meeting the efficiency goals of the component development program. To verify the design features of the high pressure turbine, a full scale warm air turbine test rig with cooling flows simulated was run. Prior to this testing, an annular cascade test was run to select vane unguided turn for the first stage nozzle. Results of this test showed that the base configuration exceeded the lower unguided turning configuration by 0.48 percent in vane kinetic energy efficiency. The air turbine test program, consisting of extensive mapping and cooling flow variation as well as design point evaluation, demonstrated a design point efficiency level of 90.0 percent based on the thermodynamic definition. In terms of General Electric cycle definition, this efficiency was 92.5 percent. Based on this test, it is concluded that efficiency goals for the Flight Propulsion System were met.
Document ID
19900019237
Acquisition Source
Legacy CDMS
Document Type
Contractor Report (CR)
Authors
Timko, L. P.
(General Electric Co. Cincinnati, OH, United States)
Date Acquired
September 6, 2013
Publication Date
January 1, 1984
Subject Category
Aircraft Propulsion And Power
Report/Patent Number
NASA-CR-168289
NAS 1.26:168289
R82AEB406
Accession Number
90N28553
Funding Number(s)
CONTRACT_GRANT: NAS3-20643
Distribution Limits
Public
Copyright
Work of the US Gov. Public Use Permitted.
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