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Acute phenylcapsaicin supplementation improves CrossFit® performance: a randomized, triple-blind, placebo-controlled crossover trial. [PDF]
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Performance of flapping foil propulsion
Journal of Fluids and Structures, 2005The 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 +2 more
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MESSENGER Propulsion System Flight Performance
42nd AIAA/ASME/SAE/ASEE Joint Propulsion Conference & Exhibit, 2006Study of the planet Mercury is fundamental to acquiring insight into the evolution of the inner solar system. NASA’s seventh Discovery mission, the MErcury Surface, Space ENvironment, GEochemistry, and Ranging (MESSENGER) mission, will orbit a spacecraft around Mercury for 1 Earth year to gather scientific data.
Samuel Wiley +3 more
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Phoenix Landing Propulsion System Performance
45th AIAA/ASME/SAE/ASEE Joint Propulsion Conference & Exhibit, 2009The highly successful Mars Phoenix Lander utilized a unique (to extraterrestrial body landings) pulsed thruster approach to powered landing. The design, test and flight performance of this system will be summarized. Phoenix inherited its propulsion system design from the ill-fated Mars Polar Lander, MPL and addressed potential shortcomings in that ...
John McAllister, Carey Parish
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Hybrid Rocket Propulsion Performance Prediction
41st AIAA/ASME/SAE/ASEE Joint Propulsion Conference & Exhibit, 2005The work performed in this effort used previously measured experimental subscale hybrid propellant data to develop a ground test motor in the 1000 pound-force range. This ground test motor was test fired and the test data was used to finalize a motor fuel grain geometry configuration and an oxidizer injector geometry. The ground tests were then used to
Robert Cavalleri, Richard Loehr
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Propulsive Performances of Pulsed Detonations
Combustion Science and Technology, 1999The 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
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Propulsion and aerodynamic performance evaluation of jet-wing distributed propulsion
Aerospace Science and Technology, 2010Distributed 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 +3 more
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Performance of synchronized fins in biomimetic propulsion
Bioinspiration & Biomimetics, 2015By 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
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Titan III propulsion system performance evaluation.
Journal of Spacecraft and Rockets, 1968An acceleration- based procedure for accurate determination of propulsion system performance from flight daja is described in this paper. The procedure emplpys iteration techniques to achieve a weighted least-squares ("best") fit to all of the applicable flight data.
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