Problem of re-entry is to reduce kinetic energy of re-entry vehicle while preserving structural integrity of spacecraft and health of astronauts on board; trajectory that minimizes some linear combination of heating and acceleration forces is desired one; many of previous investigations into this problem considered only planar re-entry; results indicate that optimal flight path is steep dive into dense regions of atmosphere, followed by gradual ascent to terminal altitude; it is in this dive maneuver that kinetic energy of vehicle is most quickly dissipated; possibility of eliminating severity of dive maneuver with some lateral maneuvering at high altitudes is considered; it is shown that lateral maneuvering during re-entry is not optimal with respect to criterion function defined; optimal flight path is planar. (14438)


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    Title :

    Optimization of three-dimensional reentry trajectories


    Additional title:

    IEEE Trans Aerosp Electron Syst


    Contributors:


    Publication date :

    1969


    Size :

    2 pages


    Type of media :

    Article (Journal)


    Type of material :

    Print


    Language :

    English


    Keywords :


    Optimization of three-dimensional reentry trajectories.

    Leondes, C. T. / Osgood, W. R. | NTRS | 1969


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