Fault detection and diagnosis algorithms for transient state of an open-cycle liquid rocket engine using nonlinear Kalman filter methods
Sign Up to like & getrecommendations! Published in 2019 at "Acta Astronautica"
DOI: 10.1016/j.actaastro.2019.03.075
Abstract: Abstract This paper deals with an application of the fault detection and diagnosis algorithm based on nonlinear Kalman filter methods for transient state of an open-cycle liquid propellant rocket engine. In order to develop the… read more here.
Keywords: kalman filter; rocket engine; engine; liquid ... See more keywords
Thermal behavior and flow instabilities during transient chilldown of liquid rocket engine by passive recirculation approach
Sign Up to like & getrecommendations! Published in 2019 at "Cryogenics"
DOI: 10.1016/j.cryogenics.2019.03.004
Abstract: Abstract This paper presents the results of an experimental and theoretical study of the transient chilldown of liquid rocket engine using passive recirculation approach. Multiple terrestrial tests are conducted with LOX recirculation system, and thermal… read more here.
Keywords: recirculation; transient chilldown; chilldown liquid; rocket engine ... See more keywords
On melting heat transport and nanofluid in a nozzle of liquid rocket engine with entropy generation
Sign Up to like & getrecommendations! Published in 2021 at "Journal of materials research and technology"
DOI: 10.1016/j.jmrt.2021.08.034
Abstract: Abstract Because of increased heat production or reduction in effective surface area for heat exclusion, modern electronic equipment typically confronts thermal critical difficulties. This most interesting difficulty may be overcome by either developing an optimal… read more here.
Keywords: nanofluid; heat; generation; entropy generation ... See more keywords
Combustion Dynamics Simulation of a 30-Injector Rocket Engine
Sign Up to like & getrecommendations! Published in 2020 at "Combustion Science and Technology"
DOI: 10.1080/00102202.2020.1847097
Abstract: A computational study of the nonlinear rocket-engine combustion instability is presented for an engine with 30 coaxial methane-oxygen injector ports, a choked nozzle, and a combustion chamber. Thre... read more here.
Keywords: rocket engine; engine; combustion; injector ... See more keywords
Investigations on Internal Ballistic Characteristics of Pasty Propellant Rocket Engine
Sign Up to like & getrecommendations! Published in 2021 at "International Journal of Aerospace Engineering"
DOI: 10.1155/2021/9952209
Abstract: Pasty rocket engines have broad application prospects in the aerospace field. To study the internal ballistic characteristics of the pasty propellant rocket engine, the burning surface change model of pasty propellant was built. The calculation… read more here.
Keywords: pasty propellant; internal ballistic; rocket engine; propellant rocket ... 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