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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
image (7.75)

mp,1m0I=kp,1Δt1=0.002889s1Δt1 (7.76)

image (7.76)

The velocity histories for different values of γavg are shown in Figure 7.22 illustrating the effects of gravity as given by sin γavg. The time necessary to reach VE=7.909 km/s for sin γavg=0, 0.5, and 1.0 is 287 s, 306 s, and 316 s, respectively. The two extremes are only 29 s apart and because neither is completely accurate we assume that the middle value, sin γavg=0.5, may be selected as a reasonable estimate for the gravitational effect. The numerical solution also shown in Figure 7.22 ...

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Publisher Resources

ISBN: 9780124199767