Inlet plenum chamber noise measurement comparison of 20-inch diameter fan rotors with aspect ratios 3.6 and 6.6
Inlet plenum chamber noise measurement comparison of 20 inch diameter fan rotors with aspect ratios of 3.6 and 6.6
Gelder, T. F↗
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Search indexed NASA NTRS and DOE OSTI research on propulsion, heat transfer, battery materials and energy systems. Follow report and document links to the original sources.
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Flight investigation of a V/STOL transport model having six wing-mounted lift fans
Free flight tests in hoovering and forward flight free flight tests in hovering and forward flight lift fans
Grafton, S. B.↗
Analysis of brinelling failure of bearings from vibration tested PLV fans Summary report
Rotor-bearing system analysis to determine cause of brinelling failure of bearings from vibration tested PLV fans
Batra, S. K.↗
Low-speed jet noise from a 1.83 meter /6ft/ fan for turbofan engines
Determination of low speed jet noise from fan engine for simulated nacelle configuration
Feiler, C. E.↗
Low speed jet noise from a 1.83 meter /6 foot/ fan for turbofan engines
Jet noise contribution to far field sound from 1.83 meter diameter fan determined for two simulated nacelle configurations
Feiler, C. E.↗
Task 4 stage data and performance report for casing treatment investigations. Evaluation of range and distortion tolerance for high Mach number transonic fan stages, volume 1
Test description and results for high Mach number transonic fan stages to determine range and distortion tolerance for various rotor tip casing treatment configurations
Tesch, W. A.↗
Task 4 stage data and performance report for casing treatment investigations. Evaluation of range and distortion tolerance for high Mach number transonic fan stages, volume 2
Tabulations of blade element and circumferential distortion flow data in tests of high Mach number transonic fan stages with various rotor tip casing treatment configurations
Tesch, W. A.↗
Results of initial prop-fan model acoustic testing. Volume 2 - Appendices B thru F
Acoustic measurements on prop-fan model propulsion system - Vol. 2, appendices
Ganger, T. G.↗
Results of initial prop-fan model acoustic testing. Volume 1 - Discussion
Acoustic measurements on prop-fan model propulsion system
Ganger, T. G.↗
Wind tunnel tests of a wing installed model VTOL lift fan with coaxial drive turbine
Cross flow wind tunnel performance tests of 15 in. wing installed lift fan with coaxial drive turbine for VTOL transport aircraft
Diedrich, J. H.↗
High-loading low-speed fan study. 3 - Data and performance slotted blades and vanes and rotor tip treatment
Slotted blades and vanes and rotor tip design for highly loaded, low speed fan stage applicable to low noise aircraft engines
Burdsall, E. A.↗
Investigation of a highly loaded multistage fan driven turbine
Parametric turbine vector diagram calculation for design of highly loaded multistage fan driven turbine
Evans, D. C.↗
Theoretical investigation of the aerodynamic interference induced by cruise and lift fans on transport-type aircraft
Theoretical analysis of aerodynamic interference induced by cruise and lift fans on transport type aircraft
Dillenius, M. F. E.↗
Computer programs for calculation of aerodynamic interference between lifting surfaces and lift and cruise fans
Users manual for 3 computer programs for predicting aerodynamic interference between lifting surfaces and lift and cruise fans in transport-type aircraft
Dillenius, M. F. E.↗
Aerodynamics of lift fan V/STOL aircraft
Aerodynamic characteristics of lift fan installation for direct lift V/STOL aircraft
Kirk, J. V.↗
Preliminary study of an air generator-remote lift fan propulsion system for VTOL transports
Evaluation of air generator-remote lift fan propulsion system for VTOL transports
Dugan, J. F., Jr.↗
Some results of recent research on fan and jet noise
Large low-speed fan for low noise production, testing performance on suppression effects of acoustic treatment and exhaust jet noise
Sanders, N. D.↗
Sound radiation from random quadrupole source distributions in axial flow fans
Inlet turbulence interaction with rotor potential flow as noise source in axial flow fans, developing expression for sound power radiated
Chandrashekhara, N.↗