Multidisciplinary Conceptual Design for Reduced-Emission Rotorcraft [PDF]
Python-based wrappers for OpenMDAO are used to integrate disparate software for practical conceptual design of rotorcraft. The suite of tools which are connected thus far include aircraft sizing, comprehensive analysis, and parametric geometry. The tools
Johnson, Wayne +2 more
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Investigation on rub-impact response characteristics of gas generator rotor system under external excitation. [PDF]
Sci RepZhang H, Liu T, Zhao H, Wang Q.
europepmc +1 more source
Study of aircraft in intraurban transportation systems, volume 1 [PDF]
An analysis of an effective short range, high density computer transportation system for intraurban systems is presented. The seven county Detroit, Michigan, metropolitan area, was chosen as the scenario for the analysis.
Kesling, P. H. +5 more
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Aeronautical Engineering: A special bibliography with indexes, supplement 64, December 1975 [PDF]
This bibliography lists 288 reports, articles, and other documents introduced into the NASA scientific and technical information system in November ...
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Study of research and development requirements of small gas-turbine combustors [PDF]
A survey is presented of the major small-engine manufacturers and governmental users. A consensus was undertaken regarding small-combustor requirements.
Demetri, E. P. +2 more
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High Speed Balancing Applied to the T700 Engine [PDF]
The work performed under Contracts NAS3-23929 and NAS3-24633 is presented. MTI evaluated the feasibility of high-speed balancing for both the T700 power turbine rotor and the compressor rotor.
Lee, C., Martin, M., Walton, J.
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The cost of applying current helicopter external noise reduction methods while maintaining realistic vehicle performance [PDF]
Analytical methods were developed and/or adopted for calculating helicopter component noise, and these methods were incorporated into a unified total vehicle noise calculation model.
Bowes, M. A.
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Compound cycle engine for helicopter application [PDF]
The Compound Cycle Engine (CCE) is a highly turbocharged, power compounded, ultra-high power density, light-weight diesel engine. The turbomachinery is similar to a moderate pressure ratio, free power turbine engine and the diesel core is high speed and ...
Castor, Jere G.
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Calcia magnesia alumino silicate (CMAS) corrosion attack on thermally sprayed thermal barrier coatings: a comprehensive review. [PDF]
Npj Mater DegradNair RB, Brabazon D.
europepmc +1 more source