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S.1 Spacecraft Propulsion Systems Chapter 1: Introduction to ...

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<strong>Chapter</strong> 2: Basic <strong>Propulsion</strong> Equations<br />

Peter Erichsen, September 2006<br />

<strong>S.1</strong> Basic <strong>Propulsion</strong> Relations<br />

This chapter is devoted <strong>to</strong> the basic laws governing propulsion systems. The chapter will<br />

give an overview of the set of equations used in the field of spacecraft propulsion.<br />

Understanding these laws is necessary in order <strong>to</strong> be able <strong>to</strong> select an appropriate<br />

propulsion system and <strong>to</strong> design its components. The basic laws include the ‘Rocket<br />

Equation’, the rocket thrust force and other propulsion performance parameters.<br />

In addition two types of propulsion are presented <strong>to</strong>gether with the appropriate set of<br />

equations characterizing the systems in question.

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