Plume flowfield and propulsive performance analysis of a rotating detonation engine
Sign Up to like & getrecommendations! Published in 2018 at "Aerospace Science and Technology"
DOI: 10.1016/j.ast.2018.08.024
Abstract: Abstract Rotating detonation engine is a promising detonation-based propulsion system. In this paper, a series of numerical simulations of H2/air RDE are performed to show the plume flowfield of a RDE in detail and to… read more here.
Keywords: propulsive performance; engine; pressure; thrust force ... See more keywords
Effect of chordwise flexibility on propulsive performance of high inertia oscillating-foils
Sign Up to like & getrecommendations! Published in 2019 at "Journal of Fluids and Structures"
DOI: 10.1016/j.jfluidstructs.2019.102750
Abstract: Abstract We performed a parametric experimental study to quantify the effects of structural properties and kinematic parameters on the propulsive performance of a low-aspect ratio oscillating-foil at a chord-based Reynolds number of 80,000. Multiple foils… read more here.
Keywords: foil; oscillating foils; effect; propulsive performance ... See more keywords
A high-fidelity numerical study on the propulsive performance of pitching flexible plates
Sign Up to like & getrecommendations! Published in 2021 at "Physics of Fluids"
DOI: 10.1063/5.0049217
Abstract: In this paper, we numerically investigate the propulsive performance of three-dimensional pitching flexible plates with varying flexibility and trailing edge shapes. We employ our recently developed body-conforming fluid-structure interaction solver for our high-fidelity numerical study.… read more here.
Keywords: bending stiffness; flexibility; plate; propulsive performance ... See more keywords
Effects of gradual flexibility and trailing edge shape on propulsive performance of pitching fins
Sign Up to like & getrecommendations! Published in 2021 at "Physics of Fluids"
DOI: 10.1063/5.0055686
Abstract: This paper addresses hydrodynamic performance of fins regarding their trailing edge convexity–concavity and flexibility distribution. The effects of trailing edge convexity–concavity on propulsive performance and vortex dynamics were investigated experimentally utilizing time-resolved particle image velocimetry… read more here.
Keywords: propulsive performance; edge shape; trailing edge; performance ... See more keywords
Route to transition in propulsive performance of oscillating foil.
Sign Up to like & getrecommendations! Published in 2022 at "Physical review. E"
DOI: 10.1103/physreve.105.045102
Abstract: 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≤… read more here.
Keywords: topology; transition propulsive; propulsive performance; oscillating foil ... See more keywords
Propulsive Performance of Mechanically Activated Aluminum–Water Gelled Composite Propellant
Sign Up to like & getrecommendations! Published in 2020 at "Journal of Propulsion and Power"
DOI: 10.2514/1.b37614
Abstract: The present study deals with the evaluation of the propulsive performance of aluminum (Al)–water gelled composite propellant. Here, Al and water have been gelled using polyacrylamide as a gelling a... read more here.
Keywords: aluminum water; water; water gelled; gelled composite ... See more keywords
Reynolds Number Scaling of the Propulsive Performance of a Pitching Airfoil
Sign Up to like & getrecommendations! Published in 2019 at "AIAA Journal"
DOI: 10.2514/1.j058371
Abstract: Simulations of symmetrical NACA airfoils pitching about their quarter chord point are presented to investigate the scaling of their performance metrics, especially their dependence on Reynolds numb... read more here.
Keywords: scaling propulsive; reynolds number; performance; propulsive performance ... See more keywords