Results 61 to 70 of about 9,800,925 (164)

Unsteady lifting line theory using the Wagner function

open access: yes, 2017
A method is presented to model the incompressible, attached, unsteady lift and moment acting on a thin three-dimensional wing in the time domain. The model is based on the combination of Wagner theory and lifting line theory trough the unsteady Kutta ...
Boutet, Johan   +3 more
core   +1 more source

Three dimensional unsteady flow for an oscillating turbine blade [PDF]

open access: yes, 1999
An experimental and computational study, motivated by the need to improve current understanding of blade flutter in turbomachinery and provide 3D test data for the validation of advanced computational methods for the prediction of this aeroelastic ...
Bell, D.L., Bell, David Lloyd
core  

Numerical study of nonlinearity of unsteady aerodynamics for NLR7301 profile [PDF]

open access: yes, 2005
Details of unsteady aerodynamics for a two dimensional NLR7301 airfoil with flap were numerically investigated by a Navier-Stokes code in the transonic regime. Unsteady aerodynamic coefficients such as lift and pitching moment show nonlinear aspects in a
Saitoh, Kenichi   +2 more
core  

The Effects of Unsteady On-Road Flow Conditions on Cabin Noise [PDF]

open access: yes, 2013
On-road, a vehicle experiences unsteady flow conditions due to turbulence in the natural wind, moving through the unsteady wakes of other road vehicles and travelling through the stationary wakes generated by roadside obstacles.
OETTLE, NICHOLAS,RICHARD
core  

Unsteady separation past moving surfaces [PDF]

open access: yes, 1998
Unsteady boundary-layer development over moving walls in the limit of infinite Reynolds number is investigated using both the Eulerian and Lagrangian formulations.
Degani, AT, Smith, FT, Walker, JDA
core  

Asymptotic Expansion of the Kernel Function in Subsonic Unsteady Lifting Surface Theory

open access: yesAsymptotic Expansion of the Kernel Function in Subsonic Unsteady Lifting Surface Theory
A computer oriented asymptotic expansion of a singular integral function is presented. The function dealt with appears in the kemel of the integral equation which is solved for pressure distributions of subsonic unsteady lifting surfaces. Values of the function can be accurately computed in a short time by using the present expansion.
openaire   +1 more source

Geometry program for aerodynamic lifting surface theory [PDF]

open access: yes, 1973
A computer program that provides the geometry and boundary conditions appropriate for an analysis of a lifting, thin wing with control surfaces in linearized, subsonic, steady flow is presented.
Medan, R. T.
core  

Three dimensional frequency-domain solution method for unsteady turbomachinery flows [PDF]

open access: yes, 2003
The three-dimensional calculation of unsteady flows is increasingly gaining importance in the prediction of turbomachinery flow problems. A three-dimensional Euler/Navier-Stokes solver incorporating the time-linearized method and the nonlinear harmonic ...
Vasanthakumar, Parthasarathy
core  

J101021 Flutter Analysis of a Rectangular Sheet Based on the Unsteady Lifting Surface Theory

open access: yesThe Proceedings of Mechanical Engineering Congress, Japan, 2012
Masahiro Watanabe   +3 more
openaire   +2 more sources

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