the Indian Space Research Organization(VSSC-ISRO)for funding this research through ISRO-IITM Cell。
In an arcjet thruster,the cathode and constrictor degrade with time,and the electrical arc discharge may become unsymmetrical.In this work,a three-dimensional numerical model of a hydrogen plasma arcjet is developed a...
supported by the Indian Space Research Organization(VSSC under grants ASE1415160ISROAMIK and ASE1718174ISROAMIK)。
In the present work,a complete 2D chemical and thermal non-equilibrium numerical model coupled with a relatively simple sheath model is developed for hydrogen arcjet thruster.Conduction heat transfer in the anode wall...
co-supported by the Defense Industrial Technology Development Program,China(No.JCKY2018203B029);the National Natural Science Foundation of China(No.11702021)。
Arcjet thruster has been a widely used electrical propulsion technology on GEO satellites since 1993.In its long history of technical development and commercial application,lifetime verification of an arcjet thruster ...
Supported by National Natural Science Foundation of China(Grant Nos.11575019,11275021)
Gasdynamic flow features in an electrothermal arcjet thruster with a mixture of 1:2 nitrogen/hydrogen as the working gas have been studied by a two-temperature numerical simulation.Seven species and 17 kinetic proces...
A diamond-shaped shock wave was created in a helium arcjet plasma. Visi- ble/ultraviolet emission spectroscopy was used to investigate the condition for the formation of stable shocks and to determine characteristics ...
supported by National Natural Science Foundation of China (Nos.50836007, 10921062)
A modelling study is performed to compare the plasma flow and heat transfer characteristics of low-power arc-heated thrusters (arcjets) for three different propellants: hydrogen, nitrogen and argon. The all-speed S...
supported by National Natural Science Foundation of China (Nos.50836007, 10775164 and 10921062)
A 1 kW-class arcjet thruster was fired in a vacuum chamber at a pressure of 18 Pa. A gas mixture of H2 : N2 = 2.8 : 1.5 in volume at a total flow rate of 4.3 slm was used as the propellant with an input power fixed ...
Supported by the National Natural Science Foundation of China under Grant Nos 10775164, 50836007 and 10621202.
An arc-heated thruster of 130-800W input power is tested in a vacuum chamber at pressures lower than 20Pa with argon or H2-N2 gas mixture as propellant. The time-dependent arc voltage-current curve, outside-surface te...