THE EFFECTS OF OUTAGE ON PERFORMANCE STATISTICS FOR BIPROPELLANT ROCKETS

Abstract

The distribution of performance errors in bipropellant rockets is determined as a function of engine and propellant loading parameters, and contributing errors. The distribution is found to be highly skewed, so that the probability of exceeding three sigma can be significantly greater than it would be if the distribution were normal. Thus, three sigma as a minimum performance limit is not justified. A detailed analysis is required in each case to determine the relationship between performance margin and probability of mission success. Also, a realistic method of optimizing the propellant loading bias is developed. The methods previously used have resulted in fuel biases that are usually much lower than the optimum. Computer programs have been developed to perform the analyses described in this report, both for the single-stage and the multistage case.

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Document Details

Document Type
Technical Report
Publication Date
Jul 01, 1967
Accession Number
AD0659741

Entities

People

  • Joseph W. Duroux

Organizations

  • The Aerospace Corporation

Tags

Communities of Interest

  • Weapons Technologies

DTIC Thesaurus Topics

  • Air Force
  • Applied Mechanics
  • Bipropellants
  • Computer Programs
  • Computers
  • Data Sets
  • Distribution Functions
  • Error Analysis
  • Normal Distribution
  • Numerical Analysis
  • Numerical Integration
  • Probability
  • Probability Density Functions
  • Propellants
  • Random Variables
  • Statistics
  • Systems Engineering

Fields of Study

  • Physics

Readers

  • Aerodynamics.
  • Rocket Propulsion.
  • Statistical inference.