Simulation of reusable cislunar space transportation systems with special consideration of chemical propulsion

Computer Science

Scientific paper

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Chemical Propulsion, Computerized Simulation, Space Transportation System, Cost Estimates, Lunar Bases, Orbit Transfer Vehicles, Payloads, Propellant Tanks, Space Commercialization, Space Shuttles, Space Stations, Spacecraft Design, Spacecraft Models

Scientific paper

The design of a multicomponent space transportation system to support such missions as nuclear-waste disposal, GEO solar-power-satellite construction, and lunar mining or manufacturing is investigated by means of computer simulations involving reusable chemically propelled spacecraft. The simulation comprises mission, spacecraft, facilities, management, production, and cost models and is based on currently available technologies and current costs. The main requirements for the system are supply of a lunar station and transport of 100 Gg/yr or more from earth or moon to GEO, with a system life of about 60 yr; and it is found that they are best met by a two-stage 9.5 Gg ballistic launcher, three types of shuttle vehicles, and space stations in GEO and lunar orbit to provide the shuttles with H2 and O2, respectively. Up to 730 launches and 1000 shuttle flights (on each route) per year at costs of $30-50/kg for earth-Leo, $100-150/kg for earth GEO, anad $40-60/kg for moon-GEO predicted.

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