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Analysis of turbofan propulsion system weight and dimensionsWeight and dimensional relationships that are used in aircraft preliminary design studies are analyzed. These relationships are relatively simple to prove useful to the preliminary designer, but they are sufficiently detailed to provide meaningful design tradeoffs. All weight and dimensional relationships are developed from data bases of existing and conceptual turbofan engines. The total propulsion system is considered including both engine and nacelle, and all estimating relations stem from physical principles, not statistical correlations.
Document ID
19770012125
Document Type
Technical Memorandum (TM)
Authors
Waters, M. H. (NASA Ames Research Center Moffett Field, CA, United States)
Schairer, E. T. (NASA Ames Research Center Moffett Field, CA, United States)
Date Acquired
September 3, 2013
Publication Date
January 1, 1977
Subject Category
AIRCRAFT PROPULSION AND POWER
Report/Patent Number
NASA-TM-X-73199
A-6890
Funding Number(s)
PROJECT: RTOP 791-40-03
Distribution Limits
Public
Copyright
Work of the US Gov. Public Use Permitted.

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NameType 19770012125.pdf STI