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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