Results 151 to 160 of about 151,810 (262)

Investigation of oscillating cascade aerodynamics by an experimental influence coefficient technique [PDF]

open access: yes
Fundamental experiments are performed in the NASA Lewis Transonic Oscillating Cascade Facility to investigate the torsion mode unsteady aerodynamics of a biconvex airfoil cascade at realistic values of the reduced frequency for all interblade phase ...
Buffum, Daniel H., Fleeter, Sanford
core   +1 more source

Analysis of extremum seeking control for wind turbine torque controller optimization by aerodynamic and generator power objectives [PDF]

open access: yesarXiv
Wind turbines degrade over time, resulting in varying structural, aeroelastic, and aerodynamic properties. In contrast, the turbine controller calibrations generally remain constant, leading to suboptimal performance and potential stability issues. The calibration of wind turbine controller parameters is therefore of high interest. To this end, several
arxiv  

Direct use of linear time-domain aerodynamics in aeroservoelastic analysis: Aerodynamic model [PDF]

open access: yes
The work presented here is the first part of a continuing effort to expand existing capabilities in aeroelasticity by developing the methodology which is necessary to utilize unsteady time-domain aerodynamics directly in aeroservoelastic design and ...
Gilbert, Michael G., Woods, J. A.
core   +1 more source

Unsteady aerodynamic analysis of space shuttle vehicles. Part 1: Summary report [PDF]

open access: yes
An analysis of the unsteady aerodynamics of space shuttle vehicles was performed. The results show that slender wing theory can be modified to give the potential flow static and dynamic characteristics over a large Mach number range from M = 0 to M 1. A
Ericsson, L. E., Reding, J. P.
core   +1 more source

Application of multidisciplinary optimization methods to the design of a supersonic transport [PDF]

open access: yes
An optimization design method is discussed. This method is based on integrating existing disciplinary analysis and sensitivity analysis techniques by means of generalized sensitivity equations.
Barthelemy, J.-F. M.   +5 more
core   +1 more source

Effects of Combustor Aerodynamics on the Ignition of Solid Fuel [PDF]

open access: bronze, 1994
Jingā€Tang Yang   +2 more
openalex   +1 more source

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