Computational study of a helium-propellant microwave electrothermal thruster
Sign Up to like & getrecommendations! Published in 2024 at "Journal of Applied Physics"
DOI: 10.1063/5.0190223
Abstract: The microwave electrothermal thruster (MET) utilizes wave-exited microdischarges to heat gas flows, enhancing the specific impulse of the thruster. Our computational study investigates a 17.5 GHz helium-propellant MET, employing a two-dimensional, axisymmetric fluid model of plasma… read more here.
Keywords: specific impulse; electrothermal thruster; computational study; thruster ... See more keywords
Specific impulse gain mechanism of swirling helium-injected solid–gas hybrid rocket motor
Sign Up to like & getrecommendations! Published in 2025 at "Physics of Fluids"
DOI: 10.1063/5.0257788
Abstract: Compared to liquid rocket motors, solid rocket motors have lower specific impulse and weaker thrust regulation capabilities. Therefore, the concept of helium-injected solid–gas hybrid rocket motor (SGHRM), which can effectively improve specific impulse and achieve… read more here.
Keywords: rocket; specific impulse; combustion; helium ... See more keywords
Experimental Demonstration of the Vacuum Specific Impulse of a Hybrid Rocket Engine
Sign Up to like & getrecommendations! Published in 2017 at "Journal of Spacecraft and Rockets"
DOI: 10.2514/1.a33467
Abstract: This paper presents the experimental results of a hybrid rocket engine fired both at ambient pressure and under low-pressure conditions. The hybrid engine includes a catalyst bed and a vortex injector, and it is fitted… read more here.
Keywords: rocket engine; hybrid rocket; specific impulse; pressure ... See more keywords
High Specific-Impulse Electrospray Explorer Trajectory Guidance and Control Air Bearing Demonstration
Sign Up to like & getrecommendations! Published in 2024 at "Journal of Spacecraft and Rockets"
DOI: 10.2514/1.a35931
Abstract: As small satellite-mission concepts that require travel farther from their traditional domain of low-Earth orbit are being considered, there is a growing need to develop small-scale propulsion systems that can provide the necessary net impulse… read more here.
Keywords: high specific; specific impulse; air; air bearing ... See more keywords
Scramjet Engine Flowpath That Improves Specific Impulse Using JP-7 Fuel
Sign Up to like & getrecommendations! Published in 2023 at "Journal of Propulsion and Power"
DOI: 10.2514/1.b38931
Abstract: A flowpath geometry was computed that improves the specific impulse of a dual-mode scramjet engine in a generic X-51 hypersonic vehicle. Six parameters were varied: inlet contraction ratio, the diameters and numbers of fuel injectors,… read more here.
Keywords: improves specific; fuel; specific impulse; scramjet engine ... See more keywords