Results 241 to 250 of about 8,361,162 (295)

Deep-Sea Biomimetic Manta Ray Robots: A Comprehensive Review Based on Operational Depth Spectrum, Structures, Energy Optimization, and Control Systems. [PDF]

Biomimetics (Basel)
Ye L, Liu H, Ding Q, Hu Z, Li W, Cui W, Fan D.   +6 more
europepmc   +1 more source

Effects of different lifting strategies during resistance training on lower body function in untrained adult women: a comparison between 6-weeks of 10% velocity loss and standard resistance training. [PDF]

Front Sports Act Living
Sašek M, Golob H, Šarabon N.
europepmc   +1 more source

Design and Application of Nanozymes: Current Trends and Cutting‐Edge Breakthroughs

Advanced Science, EarlyView.
Kelong Fan, Hui Wei, Xiyun Yan
wiley   +1 more source

Numerical Investigation of Rotating Detonation Engine Propulsive Performance

Combustion Science and Technology, 2010
A series of 3- and 2-dimensional numerical simulations of a rotating detonation engine (RDE) are carried out with a 1-step chemical reaction model to investigate the RDE's propulsive performance. First, the performance is computed by a 3-dimensional
Jian-Ping Wang
exaly   +2 more sources

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Performance of synchronized fins in biomimetic propulsion

Bioinspiration & Biomimetics, 2015
By using a two-dimensional model of ray fins, we numerically investigate the thrust generation by closely-coupled fins with an immersed boundary approach. The concentration is on the performance enhancement through fin-fin interactions and the underlying vortex control mechanisms in three representative systems, a two-fin tandem configuration, a two ...
Kourosh, Shoele, Qiang, Zhu
openaire   +2 more sources

Route to transition in propulsive performance of oscillating foil

Physical Review E, 2022
Transition in the propulsive performance and vortex synchronization of an oscillating foil in a combined heaving and pitching motion is numerically investigated at a range of reduced frequencies (0.16 ≤f^{*}≤ 0.64), phase offsets (0^{∘} ≤ϕ≤ 315^{∘}), and Reynolds number (1000≤Re≤16000).
Suyash Verma, Arman Hemmati
openaire   +2 more sources

Performance of flapping foil propulsion

Journal of Fluids and Structures, 2005
The performance of an aquatic propulsion system inspired from the thunniform swimming mode is experimentally studied. This consists of generating the propulsive force with a foil undergoing a harmonic flapping which is a combination of a heave translation and a pitch rotation. Experiments are performed at a fixed value of the Reynolds number and of the
Schouveiler, Lionel, Hover, F. S., Triantafyllou, M. S.   +2 more
openaire   +2 more sources

Propulsive Performances of Pulsed Detonations

Combustion Science and Technology, 1999
The propulsive potential of a reactive mixture that uses detonation as a combustion process is studied. An experimental set up is built up to determine the thrust and the impulse developed in single and multi-operating cycles by the detonation products of a reactive mixture contained in a cylindrical combustion chamber (CC).
R. ZITOUN, D. DESBORDES
openaire   +1 more source

Propulsion and aerodynamic performance evaluation of jet-wing distributed propulsion

Aerospace Science and Technology, 2010
Distributed propulsion is the idea of redistributing the thrust across the drag producing elements of a vehicle. Our configuration has a modest number of engines with part of the exhaust flow vented from thick trailing edges of the wings to cancel the local profile drag and the rest of the exhaust flow providing thrust to cancel the induced drag and ...
Joseph A. Schetz, Serhat Hosder, Vance Dippold, Jessica Walker   +3 more
openaire   +1 more source