EVALUATION OF THE ALBEDO INTEGRAL FOR MARK 1

Abstract

This report is concerned with the development of a fast computer method for evaluating the albedo integral. This integral defines the illumination on an arbitrarily oriented surface element at any point in space about a diffusely reflecting sphere. It enters the calculation of simulation control parameters in the Arnold Engineering Development Center Aerospace Environmental Chamber (Mark I). The seminumerical method developed here is faster than ordinary numerical integration by a factor of about ten. A typical computer program, which formerly required about thirty minutes, now produces the same results in under four minutes.

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Document Details

Document Type
Technical Report
Publication Date
Feb 01, 1966
Accession Number
AD0628031

Entities

People

  • Cork H. Link Jr.

Organizations

  • Arnold Engineering Development Complex

Tags

Communities of Interest

  • Air Platforms

DTIC Thesaurus Topics

  • Air Force
  • Altitude
  • Angular Momentum
  • Boundaries
  • Computer Programming
  • Computer Programs
  • Computers
  • Contracts
  • Coordinate Systems
  • Engineering
  • Geometry
  • Illumination
  • Intensity
  • Nomenclature
  • Numerical Integration
  • Simulations
  • Solar Radiation

Readers

  • Electromagnetic Wave Scattering and Antenna Radiation Engineering
  • Software Engineering
  • Space Exploration and Orbital Mechanics.

Technology Areas

  • Space