Abstract
Effect of High-speed Solenoid Valve Dynamic Characteristics on Downstream Transient Spray Atomization of Bipropellant Thruster
Highlights
The bipropellant thruster is a low-thrust liquid rocket engine used to stabilize or change the attitude of spacecrafts
The investigated effects are switch speed, valve stroke and throttle layout for propellants of MMH and NTO, respectively
Parametric studies were conducted to study the effects of high-speed solenoid valve characteristics on transient atomization of downstream injector
Summary
The bipropellant thruster is a low-thrust liquid rocket engine used to stabilize or change the attitude of spacecrafts. The flowrate fluctuation with swirling effect was taken as new inlet boundary of a pair of swirl coaxial injectors to analysis the atomization development of MMH and NTO propellants in milliseconds. Methods (1) Simulation Solver The inner flow in valve switching and spray atomization from swirl injector downstream are simulated using the VOF (volume of fluid) method.
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