INSTANTANEOUS LOCAL TEMPERATURES OF AERODYNAMIC DECELERATORS. PART II. THERMAL PROPERTIES,

Abstract

Measurements were made of the thermal conductivity of the following candidate parachute fabrics: nylon, stainless steel, glass, graphite, and AF-1 (an organic fiber). Data were obtained with a Cenco-Fitch device in which the effects of compressive load was established. A similarity relation derived from dimensional analysis was applied to these data and resulted in a satisfactory correlation. A new apparatus was developed in order to determine fabric conductivity under varying conditions of temperature (212 to 600F), ambient pressure (15 to 0.048 psia), biaxial tension (0 to 90 ppi), and compression (1 to 10 psi). Initial data collected using the apparatus demonstrated its capabilities and analysis of these data indicate the possibility of further dimensionless correlations in which the effects of biaxial tension may be negligible. Considerably more detailed data will have to be obtained to establish repeatability and verification of these hypotheses. (Author)

Document Details

Document Type
Technical Report
Publication Date
Feb 01, 1961
Accession Number
AD0603129

Entities

People

  • E. Engholm
  • R. A. Bambeneck
  • S. J. Lis

Tags

DTIC Thesaurus Topics

  • Compression
  • Conductivity
  • Fabrics
  • Fibers
  • Graphitic Materials
  • Hypotheses
  • Materials
  • Measurement
  • Parachute Fabrics
  • Parachutes
  • Physical Properties
  • Stainless Steel
  • Steel
  • Thermal Conductivity
  • Thermal Properties

Readers

  • Fluid Dynamics.
  • Materials Science and Engineering.
  • Reinforced Composite Materials