Results 161 to 170 of about 3,492 (237)

Energy Efficient Engine: Flight propulsion system final design and analysis [PDF]

open access: yes
The Energy Efficient Engine (E3) is a NASA program to create fuel saving technology for future transport engines. The Flight Propulsion System (FPS) is the engine designed to achieve E3 goals.
Davis, Donald Y., Stearns, E. Marshall
core   +1 more source

On the role of oil-film bearings in promoting shaft instability: Some experimental observations [PDF]

open access: yes
The occurrence of oil whirl instability in rigid and flexible rotor systems was investigated. The effect of various bearing parameters on the oil whirl frequency and amplitude of rigid and flexible shafts supported on fluid film bearings was also ...
Holmes, R.
core   +1 more source

High pressure compressor component performance report [PDF]

open access: yes
A compressor optimization study defined a 10 stage configuration with a 22.6:1 pressure ratio, an adiabatic efficiency goal of 86.1%, and a polytropic efficiency of 90.6%; the corrected airflow is 53.5 kg/s.
Cline, S. J.   +4 more
core   +1 more source

Home - About - Disclaimer - Privacy