Project HICAT. High Altitude Clear Air Turbulence Measurements and Meteorological Correlations. Volume 1

Abstract

The program objective was to determine the statistical characteristics of high altitude CAT so as to improve structural design criteria. In addition, meteorological forecasts and analyses were to be correlated with the CAT measurements to improve CAT forecast procedures. In the Extended Program, 18.3 hours of high altitude CAT were located and recorded in flights covering over 156,000 miles from bases in England, Louisiana, Maine, Panama, Florida, and California. Actual vertical, lateral, and longitudinal gust velocity time histories and power spectra were determined and analyzed. Peak counts of true vertical gust velocity and derived equivalent gust velocity were obtained. A practical procedure for forecasting high altitude CAT was developed.

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Document Details

Document Type
Technical Report
Publication Date
Nov 01, 1968
Accession Number
AD0846086

Entities

People

  • Finis A. Mitchell
  • Frederic M. Hoblit
  • Walter M. Crooks

Organizations

  • Lockheed Martin

Tags

Communities of Interest

  • Air Platforms
  • Energy and Power Technologies
  • Sensors
  • Weapons Technologies

DTIC Thesaurus Topics

  • Air Force
  • Aircrafts
  • Airframes
  • Altitude
  • Atmospheric Motion
  • Clear Air Turbulence
  • Climate Change
  • Computational Science
  • Computer Programs
  • Filters
  • Flight Speeds
  • Information Science
  • Mathematical Filters
  • Measurement
  • Meteorology
  • Turbulence
  • United States

Readers

  • Atmospheric Science / Meteorology, specifically Wind Wave Turbulence.
  • Coastal and Marine Engineering/Sediment Transport/Hydraulic Engineering
  • Regression Analysis.