Results 141 to 150 of about 2,655 (199)

Experimental evaluation of the effect of inlet distortion on compressor blade vibrations [PDF]

open access: yes
Compressor rotor strain gage data from an engine test conducted with an inlet screen distortion were reduced and analyzed. These data are compared to data obtained from the same engine without inlet pressure distortion to determine the net effect of the ...
Lubomski, J. F.
core   +1 more source

A wireless controlled robotic insect with ultrafast untethered running speeds. [PDF]

open access: yesNat Commun
Liu Z   +9 more
europepmc   +1 more source

Aeronautical engineering: A special bibliography with indexes, supplement 80 [PDF]

open access: yes
This bibliography lists 277 reports, articles, and other documents introduced into the NASA scientific and technical information system in January ...

core   +1 more source

Fuel cells: a real option for Unmanned Aerial Vehicles propulsion. [PDF]

open access: yesScientificWorldJournal, 2014
González-Espasandín Ó   +2 more
europepmc   +1 more source

Wind tunnel measurements of forward speed effects on jet noise from suppressor nozzles and comparison with flight test data [PDF]

open access: yes
The results of a test program conducted in the NASA Ames 40- by 80-Foot Wind Tunnel to determine the effect of forward speed on the noise levels emanating from a conical ejector nozzle, a 32-spoke suppressor nozzle, and a 104-elliptical-tube suppressor ...
Atencio, A., Jr.
core   +1 more source

Opportunities for nanomaterials in more sustainable aviation. [PDF]

open access: yesDiscov Nano
Pendashteh A   +3 more
europepmc   +1 more source

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