Results 231 to 240 of about 885,530 (308)

The effect of including dynamic imaging derived airway wall motion in CFD simulations of respiratory airflow in patients with OSA. [PDF]

Sci Rep
Xiao Q, Gunatilaka C, McConnell K, Bates A.   +3 more
europepmc   +1 more source

Breaking the energy chain: importance of ATP synthase in Mycobacterium tuberculosis and its potential as a drug target. [PDF]

RSC Med Chem
Perveen S, Pal S, Sharma R.
europepmc   +1 more source

The feather's multi-functional structure across nano to macro scales inspires hierarchical design. [PDF]

J R Soc Interface
Hendrickx-Rodriguez S, Lentink D.
europepmc   +1 more source

Aerodynamic characteristics of spinning bodies of revolution

, 1975
openaire   +1 more source

Complex Aerodynamics Behavior of High Spin APFSDS Projectile

Journal of Applied Mechanics, 2013
The supersonic aerodynamics of a high spin armor-piercing fin-stabilized discarding sabot projectile (APFSDS) is numerically and experimentally investigated. Classically, using a 120 mm smooth bore gun, the value of the nondimensional steady spin rate of the inflight APFSDS projectile is about 0.01.
Roxan Cayzac, Eric Carette, Settie Heddadj   +2 more
semanticscholar   +4 more sources

Effects of Base Shape on Spin-Stabilized Projectile Aerodynamics [PDF]

26th AIAA Applied Aerodynamics Conference, 2008
James DeSpirito
semanticscholar   +3 more sources

Aerodynamics of a Spinning Sphere

The Journal of the Royal Aeronautical Society, 1928
The full equations of motion for the flow of a viscous fluid have proved too complicated for any general solution to be obtained. It is to be doubted if, in. the near future, the problem of fluid motion will be solved in a general manner, although solutions for a few special cases may be found.
J. W. Maccoll
openalex   +3 more sources

Aerodynamics and Design of Spinning Samara Model

, 2021
A particular form of winged seed (samara) dispersal technique adopted by nature uses autorotative (unpowered rotation of the wing generating thrust force against gravity) descent; for e.g. in Maple and Mahagony trees. This technique provides the lowest descent velocities among various seed dispersal techniques found in nature ensuring the safety of the
Govindharaj Yogeshwaran, Srisha M. V. Rao, Jagadeesh Gopalan   +2 more
openalex   +3 more sources

Aerodynamics of spinning and non-spinning tennis balls

Journal of Wind Engineering and Industrial Aerodynamics, 2004
The aerodynamic properties of a tennis ball are obtained using wind tunnel measurements. In the first phase of this study, the drag coefficient of a variety of new and used non-spinning tennis balls was measured. The measurements were conducted in the Reynolds number range of 85×103 In the second phase of this study, the drag and lift coefficients ...
Simon Goodwill, S. B. Chin, Steve Haake
openalex   +3 more sources

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Validation of a multipoint approach for modeling spin aerodynamics

Journal of Aircraft, 1995
during the spin. The rolling-moment and yawing-moment coefficient variations were relatively small, and thus, the steadyspin assumption is reasonable for these quantities. In contrast is the large amplitude of the pitching moment coefficient trace. The maximum and minimum values of the free-spin results are approximately equal to the rotary balance ...
Paul T. Jaramillo, M. G. Nagati, Youngseung Cho   +2 more
openaire   +3 more sources