Application of the rapid update cycle (RUC) to aircraft flight simulation.
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Application of the rapid update cycle (RUC) to aircraft flight simulation.

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English
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  • Creators:
  • Corporate Creators:
    John A. Volpe National Transportation Systems Center (U.S.)
  • Subject/TRT Terms:
  • Publication/ Report Number:
    IMECE2008-66518
  • Resource Type:
    Research Paper
  • Geographical Coverage:
    United States
  • Edition:
    Oct. 31-Nov. 6, 2008
  • Corporate Publisher:
    2008 ASME International Mechanical Engineering Congress and Exposition
  • NTL Classification:
    NTL-AVIATION-AVIATION;NTL-AVIATION-Aviation Planning and Policy;
  • Abstract:
    An aircraft flight simulation model under development aims

    to provide a computer simulation tool to investigate aircraft flight

    performance during en route flight and landing under various

    atmospherical conditions [1]. Within this model, the air pressure

    and temperature serve as important parameters for deriving

    the true airspeed (TAS). Also important are the wind speed

    and direction, which will be direct inputs for the flight simulation

    model.

    In this paper, the Rapid Update Cycle (RUC) data, provided

    hourly by the National Centers for Environmental Prediction

    (NCEP) and the National Oceanic and Atmospheric Administration

    (NOAA) are used to derive the atmospherical parameters.

    We relate the pressure to the geodetic altitude by using

    the geopotential height from the RUC data and the theoretical

    model. Then the resultant pressure as a function of the geodetic

    altitude is used to retrieve other parameters such as the temperature

    and wind velocity by multi-dimensional interpolation. Airplane

    flights simulated by the X-Plane(r) simulator with the input

    of the RUC data are demonstrated.

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