Topic
Arcjet rocket
About: Arcjet rocket is a research topic. Over the lifetime, 1121 publications have been published within this topic receiving 9687 citations. The topic is also known as: Arcjet.
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01 Jan 2013
TL;DR: In this article, a comparison of multi-mode spacecraft propulsion systems utilizing a chemical monopropellant or bipropellants thruster and high-power electric Hall, arcjet, or pulsed inductive thruster were analyzed and compared in terms of mission capabilities.
Abstract: Multi-mode spacecraft propulsion systems utilizing a chemical monopropellant or bipropellant thruster and high-power electric Hall, arcjet, or pulsed inductive thruster were analyzed and compared in terms of mission capabilities. These systems are most effective compared to an all-chemical system when greater than 25% of the total delta-V is accomplished by the electric system due to the high mass requirements of the power system. Additionally, monopropellant systems are more effective in terms of both reduced system mass as well as decreased burn duration over bipropellant systems despite having 33% lower specific impulse and 1/10 th the thrust. The monopropellant/PIT system yielded the lowest total system mass, however the monopropellant/arcjet had the highest transportation rates over all potential chemical/electric delta-V ratios.
7 citations
01 Jan 2012
TL;DR: In this article, the propulsion of a rocket in outer space is discussed and the thrust or specific impulse is measured by the total impulse delivered by the engine per unit weight of propellant consumed.
Abstract: Publisher Summary
This chapter discusses propulsion of a rocket in outer space. The thrust or specific impulse is measured by the total impulse delivered by the engine per unit weight of propellant consumed. Electric propulsion systems have also been looked into. Jhan (1968) defines electric propulsion as the acceleration of gases for propulsion by electric heating and/or by electric and magnetic body forces. Thus electro-thermal, electrostatic, and electromagnetic propulsion devices can be considered for propulsion in space. Electro-thermal devices like arcjets are popular and find space in the study. Propellants for arcjets include hydrazine (N2H4), ammonia (NH3), and hydrogen (H2). An arcjet using ammonia as the propellant produced a thrust of 2N at a specific impulse of 800 s. One-dimensional electrostatic thruster, ion stream speeds are also discussed. Hall thrusters are also studied. Under electromagnetic propulsion devices, the magneto-plasma-dynamic accelerator (MPD) is discussed in details.
7 citations