Results 131 to 140 of about 865,596 (264)

Evaluation of wind tunnel performance testings of an advanced 45 deg swept 8-bladed propeller at Mach numbers from 0.45 to 0.85 [PDF]

open access: yes
The increased emphasis of fuel conservation in the world and the rapid increase in the cost of jet fuel has stimulated a series of studies of both conventional and unconventional propulsion systems for commercial aircraft.
Black, D. M.   +3 more
core   +1 more source

Analysis of Efficiency in a Direct Methanol Fuel Cell.

open access: bronze, 2001
Masayuki Kunimatsu   +3 more
openalex   +2 more sources

Evaluation of advanced combustion concepts for dry NO sub x suppression with coal-derived, gaseous fuels [PDF]

open access: yes
The emissions performance of a rich lean combustor (developed for liquid fuels) was determined for combustion of simulated coal gases ranging in heating value from 167 to 244 Btu/scf (7.0 to 10.3 MJ/NCM). The 244 Btu/scf gas is typical of the product gas
Beebe, K. W.   +2 more
core   +1 more source

Fuel Efficiency Prediction Model to Enhance the Fuel Efficiency and Reduce the Carbon Emissions

open access: yesTRANSACTIONS OF THE JAPAN SOCIETY FOR AERONAUTICAL AND SPACE SCIENCES, 2022
Sungwoo JANG   +3 more
openaire   +1 more source

Energy efficient aircraft engines [PDF]

open access: yes
The three engine programs that constitute the propulsion portion of NASA's Aircraft Energy Efficiency Program are described, their status indicated, and anticipated improvements in SFC discussed.
Chamberlin, R., Miller, B.
core   +1 more source

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