Low-thrust rocket trajectories

Details Low-thrust rocket trajectories Low-thrust rocket trajectories

Jan 1986

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1986stin...8630754k&link_type=abstract

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Low Thrust Propulsion, Rocket Engines, Spacecraft Trajectories, Chemical Propulsion, Computation, Graphs (Charts), Gravitational Fields, Mathematical Models, Thrust

Scientific paper

The development of low-thrust propulsion systems to complement chemical propulsion systems will greatly enhance the evolution of future space programs. Two advantages of low-thrust rockets are stressed. First, in a strong gravitational field, such as occurs near the Earth, freighter missions with low-thrust engines require one-tenth as much propellant as do chemical engines. Second, in a weak gravitational field, such as occurs in the region between Venus and Mars, low-thrust rockets are faster than chemical rockets with comparable propellant mass. The purpose here is to address the physics of low-thrust trajectories and to interpret the results with two simple models. Analytic analyses are used where possible - otherwise, the results of numerical calculations are presented in graphs.

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