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A program for calculating turbofan-driven lift-fan propulsion system performanceThe performance of a turbofan-powered lift fan propulsion system for vertical takeoff and landing (VTOL) aircraft is calculated. The program formulation consists of taking bleed air from a turbofan engine, heating the bleed air in an interburner, and passing it through a tip turbine to drive a lift fan. Two options are available: bleed air from the engine exhaust, or bleed air that has passed through the engine fan only. This computer program will benefit persons unfamiliar with the thermodynamics of engine cycle analysis.
Document ID
19770006118
Acquisition Source
Legacy CDMS
Document Type
Technical Memorandum (TM)
Authors
Tauber, M. E. (NASA Ames Research Center Moffett Field, CA, United States)
Fuhs, A. E. (NASA Ames Research Center Moffett Field, CA, United States)
Paterson, J. A. (NASA Ames Research Center Moffett Field, CA, United States)
Date Acquired
September 3, 2013
Publication Date
October 1, 1976
Subject Category
Aircraft Propulsion And Power
Report/Patent Number
A-6776
NASA-TM-X-73173
Report Number: A-6776
Report Number: NASA-TM-X-73173
Accession Number
77N13061
Funding Number(s)
PROJECT: RTOP 791-40-04
Distribution Limits
Public
Copyright
Work of the US Gov. Public Use Permitted.

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