Results 71 to 80 of about 10,561 (136)

The transonic Reynolds number problem [PDF]

open access: yes
Problems in modeling the complex interacting flow fields in the transonic speed regime are reviewed. The limitations of wind tunnel test capabilities are identified, and options for resolving the deficiency are examined.
Jones, J. L.
core   +1 more source

Unsteady aerodynamics of blade rows [PDF]

open access: yes
The requirements placed on an unsteady aerodynamic theory intended for turbomachinery aeroelastic or aeroacoustic applications are discussed along with a brief description of the various theoretical models that are available to address these requirements.
Verdon, Joseph M.
core   +1 more source

Unsteady transonic flow calculations for interfering lifting surface configurations [PDF]

open access: yes
Unsteady transonic flow calculations are presented for aerodynamically interfering lifting surface configurations. Calculations are performed by extending the XTRAN3S (Version 1.5) unsteady transonic small-disturbance code to allow the treatment of an ...
Batina, J. T.
core   +1 more source

Historical evolution of vortex-lattice methods [PDF]

open access: yes
A review of the beginning and some orientation of the vortex-lattice method were given. The historical course of this method was followed in conjunction with its field of computational fluid dynamics, spanning the period from L.F.
Deyoung, J.
core   +1 more source

Aeroelastic Behavior of 3D-Printed Tapered Polylactic Acid Plates Under Subsonic Flow Conditions. [PDF]

open access: yesMaterials (Basel)
Dinulović M   +5 more
europepmc   +1 more source

Some effects of tip fins on wing flutter characteristics [PDF]

open access: yes
A wind tunnel investigation has been conducted over the Mach number range from about 0.6 to 1.2 to determine the effects of large tip fins on the flutter characteristics of a swept wing.
Doggett, R. V., Jr., Goetz, R. C.
core   +1 more source

Development of aeroelastic analysis methods for turborotors and propfans, including mistuning [PDF]

open access: yes
The NASA Lewis aeroelastic research program is focused on unstalled and stalled flutter, forced response, and whirl flutter of turborotors and propfans.
Kaza, Krishna Rao V.
core   +1 more source

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