This is the final report of a three-phased research project to develop a six-degree-of-freedom mathematical model to predict the trajectories of tornado-propelled objects. The model is based on the meteorological, aerodynamic, and dynamic processes that govern the trajectories of missiles in a tornadic windfield. The aerodynamic coefficients for the postulated missiles were obtained from full-scale wind tunnel tests on a 12-inch pipe and car and from drop tests. Rocket sled tests were run whereby the 12-inch pipe and car were injected into a worst-case tornado windfield in order to verify the trajectory model. To simplify and facilitate the use of the trajectory model for design applications without having to run the computer program, this report gives the trajectory data for NRC-postulated missiles in tables based on given variables of initial conditions of injection and tornado windfield. Complete descriptions of the tornado windfield and trajectory models are presented. The trajectory model computer program is also included for those desiring to perform trajectory or sensitivity analyses beyond those included in the report or for those wishing to examine other missiles and use other variables. (ERA citation 08:023614)


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    Titel :

    Windfield and Trajectory Models for Tornado-Propelled Objects. Final Report


    Beteiligte:
    G. H. Redmann (Autor:in) / J. R. Radbill (Autor:in) / J. E. Marte (Autor:in) / P. Dergarabedian (Autor:in) / F. E. Fendell (Autor:in)

    Erscheinungsdatum :

    1983


    Format / Umfang :

    360 pages


    Medientyp :

    Report


    Format :

    Keine Angabe


    Sprache :

    Englisch




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