Results 291 to 300 of about 11,483,688 (354)
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Systematic study on propulsive performance of tandem hydrofoils for a wave glider

Ocean Engineering, 2019
This paper presents the propulsive performance optimization of tandem hydrofoils equipped in a wave glider in head sea conditions with the aid of computational fluid dynamic (CFD) method by using a commercial CFD code, STAR-CCM+.
Fuming Yang, Weichao Shi, Dazheng Wang
semanticscholar   +1 more source

Unified Applicable Propulsion System Performance Metrics

Journal of Engineering for Gas Turbines and Power, 2013
Progress in the development of electrical storage and conversion technology progressively attains focus in aerospace motive power research. Novel propulsion system concepts based on hybrid or even entirely electrical energy sources are seriously considered for aircraft design.
Oliver Schmitz, Mirko Hornung
openaire   +1 more source

Effects of the structural relationships between the fish body and caudal fin on the propulsive performance of fish

Ocean Engineering, 2019
Two-dimensional numerical simulations are used to investigate the influence of a fish-like undulating foil on the hydrodynamic performance of a flapping rigid foil.
Z. Zhao, L. Dou
semanticscholar   +1 more source

Effect of the pivot point location on the propulsive performance of a pitching foil

, 2020
Numerical simulations of the flow around a NACA0012 pitching foil are presented to investigate the effect of the pivot axis location on its propulsive performance for a Reynolds number R e = 16 000 .
R. Fernández-Feria, E. Sanmiguel-Rojas
semanticscholar   +1 more source

Hydrodynamic performance analysis of undulating fin propulsion

Physics of Fluids, 2023
A desire to further comprehend the hydrodynamic characteristics of three-dimensional undulating fin propulsion is what motivates the work. First, a high-resolution numerical technique based on the constraint immersed boundary method is utilized to simulate the fluid-fin system.
Chang Wei   +4 more
openaire   +1 more source

Propulsive Performance of Mechanically Activated Aluminum–Water Gelled Composite Propellant

, 2020
The present study deals with the evaluation of the propulsive performance of aluminum (Al)–water gelled composite propellant.
M. Gautham, P. Ramakrishna
semanticscholar   +1 more source

Electric propulsion system performance evaluation

7th Electric Propulsion Conference, 1969
Experimental program for tests to identify primary electric propulsion system integration problems and solutions, emphasizing design and initial ...
openaire   +1 more source

Experimental research on propulsive performance of the pulse detonation rocket engine with a fluidic nozzle

Energy, 2019
To explore an effective way for the nozzle design of a pulse detonation rocket engine (PDRE), theoretical and experimental researches have been carried out.
Qibin Zhang   +5 more
semanticscholar   +1 more source

Effects of St and Re on propulsive performance of bionic oscillating caudal fin

, 2020
Many fishes show an excellent swimming ability by agilely oscillating their fins, and the caudal fin is a main organ for a fish to propel itself. This propulsion mode provides inspiration to the design of biomimetic underwater vehicles. On this basis, we
Peng Liu   +3 more
semanticscholar   +1 more source

Numerical analysis of the self-propulsion performance of seawater MHD propulsion underwater vehicle

Magnetohydrodynamics, 2023
Prediction of the self-propulsion performance of seawater MHD underwater vehicles is of great significance for the design and rapid optimization of the vehicle. Based on a typical advanced two-pole superconducting magnet (with a large warm hole of 260 mm and a high magnitude of the magnetic field of 6.5 T) which is close to practical application, this ...
Xiaoqiang Chen   +3 more
openaire   +1 more source

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