Results 81 to 90 of about 4,545 (167)
In order to improve the stability margin of the fan, the FBCDZ-No20 contra-rotating fan is selected as the research object, and the influence of the coupling effect of the axial position and the depth of the circumferential groove on the stability margin of the fan was explored.
Chen, Qingguang +3 more
openaire +1 more source
Effect of forward motion on engine noise [PDF]
Methods used to determine a procedure for correcting static engine data for the effects of forward motion are described. Data were analyzed from airplane flyover and static-engine tests with a JT8D-109 low-bypass-ratio turbofan engine installed on a DC-9-
Blankenship, G. L. +3 more
core +1 more source
Rotor systems research aircraft predesign study. Volume 4: Preliminary draft detail specification [PDF]
The RSRA requirements are presented in a detail specification format. Coverage of the requirements includes the following headings: (1) aircraft characteristics, (2) general features of design and construction, (3) aerodynamics, (4) structural design ...
Linden, A. W., Miller, A. N.
core +1 more source
An inventory of aeronautical ground research facilities. Volume 1: Wind tunnels [PDF]
A survey of wind tunnel research facilities in the United States is presented. The inventory includes all subsonic, transonic, and hypersonic wind tunnels operated by governmental and private organizations.
Brown, K. R. +3 more
core +1 more source
J051033 Unsteady Internal Flow in Rotors of Contra-Rotating Small-Sized Axial Fan
The Proceedings of Mechanical Engineering Congress, Japan, 2012 Hiroki SHIMIZU +2 more
openaire +2 more sources
Analysis of Coupled Seals, Secondary and Powerstream Flow Fields in Aircraft and Aerospace Turbomachines [PDF]
Higher power, high efficiency gas turbine engines require optimization of the seals and secondary flow systems as well as their impact on the powerstream. This work focuses on two aspects: 1. To apply the present day CFD tools (SCISEAL) to different real-
Athavale, M. M. +2 more
core +1 more source
Chronic Rupture of the Pectoralis Major: Current Concepts and Various Surgical Repair Techniques - A Mini Review. [PDF]
J Orthop Case RepZhiti C +5 more
europepmc +1 more source
European Association of Nuclear Medicine October 20-23, 2021 Virtual. [PDF]
Eur J Nucl Med Mol Imaging, 2021 europepmc +1 more source