Fig 1.
Examples of small mono- and bipropellant thrusters.
(A) Monopropellant thruster (Hydrazine propellant) [1]. (B) Bipropellant thruster (MMH-NTO propellant) [1].
Fig 2.
Plume impingement concept of small thruster [2].
Fig 3.
Table 1.
Chemical equilibrium reaction results of hydrazine and MMH-NTO [1,6].
Fig 4.
Exhaust plume flowfields at the thruster nozzle exit plane by N-S equations [16].
Table 2.
Coldest Temperature of satellite components and structure.
Fig 5.
Calculation domain of plume impingement for DSMC method.
(A) Example of the satellite configuration. (B) Computational grid with satellite bottom platform. (C) Detailed grid inside bottom platform.
Fig 6.
Velocity streamlines of plume gas flow.
(A) Monopropellant hydrazine. (B) Bipropellant MMH-NTO.
Fig 7.
Density distributions of plume gas flow [kg/m3].
(A) Monopropellant hydrazine. (B) Bipropellant MMH-NTO.
Fig 8.
Number density distributions of plume gas flow [1/m3].
(A) Monopropellant hydrazine. (B) Bipropellant MMH-NTO.
Fig 9.
Overall temperature distributions of plume gas flow [K].
(A) Monopropellant hydrazine. (B) Bipropellant MMH-NTO.
Fig 10.
Surface number flux distributions of plume gas flow [1/m2·s].
(A) Monopropellant hydrazine. (B) Bipropellant MMH-NTO.
Fig 11.
Surface heat flux distributions of plume gas flow [W/m2].
(A) Monopropellant hydrazine. (B) Bipropellant MMH-NTO.
Fig 12.
Surface number flux distributions of H2 species [1/m2·s].
(A) Monopropellant hydrazine. (B) Bipropellant MMH-NTO.
Fig 13.
Surface flux distributions of the plume gas flow at the center of solar panel in z-axis.
(A) Surface number flux [1/m2·s]. (B) Surface heat flux [W/m2].
Table 3.
Predictions of relative disturbance force and torque values of two plume gases.