On-Line Distortion Analysis System Inlet-Engine Test

Abstract

A system for near-real-time distortion analysis support of aircraft turbine engine-inlet altitude testing is described. Target applications include both subscale and full-scale inlet-engine compatibility testing in wind tunnel, direct-connect, and free-jet configurations. The system digitizes analog-format, time-dependent data and combines it with digital-format, steady-state data. A high-speed data bus and multiple array processors provide for on-line execution of complex distortion analysis algorithms to compute and display distortion indices, histograms, isobar plots, and surge margin consumption. Analysis algorithms are programmed using a high-level language (FORTRAN 77).

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Document Details

Document Type
Technical Report
Publication Date
Jun 01, 1991
Accession Number
ADA254959

Entities

People

  • C. D. Rose
  • Glen R. Lazalier
  • R. F. Lauer
  • Wayne K. Morton

Tags

Communities of Interest

  • Air Platforms
  • Materials and Manufacturing Processes
  • Weapons Technologies

DTIC Thesaurus Topics

  • Acquisition
  • Algorithms
  • Analog Computers
  • Computer Programming
  • Computers
  • Data Analysis
  • Digital Data
  • Digital Information
  • Engineering
  • Host Computers
  • Language
  • Magnetic Tape
  • Simulators
  • Steady State
  • Test Facilities
  • Turbines
  • Wind Tunnels

Fields of Study

  • Engineering
  • Physics

Readers

  • Aerodynamics.
  • Aerospace Engineering
  • Computer Science.