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Manned Spacecraft Design Principles
book

Manned Spacecraft Design Principles

by Pasquale M. Sforza
November 2015
Intermediate to advanced content levelIntermediate to advanced
647 pages
21h 38m
English
Butterworth-Heinemann
Content preview from Manned Spacecraft Design Principles
Chapter 6

Atmospheric Entry Mechanics

Abstract

The equations of motion for spacecraft entry into the atmosphere are derived and the general characteristics of gliding trajectories are discussed. The importance of the spacecraft ballistic coefficient and earth’s atmospheric density profile in limiting the effects of deceleration on human physiology are combined in defining an entry trajectory corridor in terms of a restricted range of acceptable dynamic pressure level. A similar corridor for assuring safe heating levels for entering spacecraft is also defined. Detailed studies of entry dynamics are divided into three categories: ballistic (zero-lift), low lift-to-drag ratio (L/D), and moderate L/D. This division may be illustrated by meteor and ...

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Publisher Resources

ISBN: 9780124199767