New PDF release: Advanced Space Propulsion Systems

By Martin Tajmar

ISBN-10: 3211838627

ISBN-13: 9783211838624

ISBN-10: 3709105471

ISBN-13: 9783709105474

Space propulsion structures have an outstanding effect on our skill to commute to different planets or how affordable a satellite tv for pc gives you television courses. This e-book presents an updated review of every kind of propulsion platforms starting from classical rocket expertise, nuclear propulsion to electrical propulsion structures, and additional to micro-, propellantless or even step forward propulsion, that is a brand new application lower than improvement at NASA. the writer exhibits the constraints of the current strategies and the way they can appear like sooner or later. ranging from ancient advancements, the reader is taken on a trip exhibiting the fantastic know-how that has been wear carry for many years to be rediscovered within the close to destiny for questions like how we will be able to even achieve different stars inside a human lifetime. the writer is actively curious about complex propulsion learn and contributes along with his personal adventure to some of the awarded subject matters. The e-book is written for someone who's attracted to how house shuttle may be revolutionized.

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Maglifter model (Courtesy of NASAl acceleration levels « 3 g) at low costs since much of the technology has already been developed. 3 Ultra-high Tower One way of reducing launcher ~u requirements is to save the several hundred mls loss due to air drag by launching outside the sensible atmosphere. This idea goes back to science fiction writer Sir Arthur C. Clarke (Odyssee 2001; he also "invented" the Geostationary Orbit for telecommunication satellites), who had the idea of ultra-high towers from which rockets could be launched.

In principle, this might be possible by using graphite-epoxy construction materials. More extreme concepts are so-called Skyhooks, an elevator hanging down from GEO to pull payload into orbit without any need of a launcher. Not only the significant length and strength of the material, also heating and control dynamics are still unsolved questions especially with regards to storms in the atmosphere. However, even if such concepts appear unlikely for application on Earth, they might be an intelligent and cost-effective solution on smaller moons in the solar system.

1. Not all combinations are really practical. For instance although fluorine and hydrogen produce the highest specific impulse, fluorine is highly corrosive. Other propellants are toxic. The best compromise has to be selected from case to case according to mission requirements. The largest bipropellant engines produced so far are the Fl main engine from the Satum-V launcher (Fig. 3) and the Russian counterpart RD-170 from the Energia launcher. The main disadvantage of bipropellant engines are their complexity and cost.

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Advanced Space Propulsion Systems by Martin Tajmar

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