The process in which a spacecraft arrives directly along its original orbit—or along first the original orbit and then the changed orbit—at the atmosphere of the destination celestial body, passes through the atmosphere safely and uses the atmosphere to decelerate, and finally lands safely on the celestial body is called the process of entering the celestial body’s atmosphere, or simply the entry process. The entry process is one segment of reentry trajectory process with the worst and most complicated environment. The characteristics of the entry period, especially deceleration overload, aerodynamic pressure and surface temperature, directly affect the design of the configuration, control and thermal protection structure of the reentry spacecraft. The realization of the entry process involves a wide range of scientific and technological fields, mainly including aerospace dynamics, aerodynamics, thermal protection structure, control and navigation technologies, rocket thruster technology, TT&C technology, recovery and landing technologies and other fields. For a deep-space exploration return vehicle, its entrance corridor must be confined to a very small range in order to confine its maximum overload and maximum heat flow to a certain range.


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    Title :

    Manned Reentry and Return Technology


    Additional title:

    Space Sci. Technol.


    Contributors:
    Yang, Hong (author)


    Publication date :

    2020-08-27


    Size :

    21 pages





    Type of media :

    Article/Chapter (Book)


    Type of material :

    Electronic Resource


    Language :

    English





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    Stambler, I. | Engineering Index Backfile | 1964



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