Accession Number:

ADA310402

Title:

An Investigation of the Mechanisms of Heat Transfer in Low-Density Phenolic-Nylon Chars.

Descriptive Note:

Contract rept.,

Corporate Author:

SOUTHERN RESEARCH INST BIRMINGHAM AL

Report Date:

1967-12-01

Pagination or Media Count:

102.0

Abstract:

The heat transfer mechanisms in phenolic-nylon chars were investigated. In order to separate the effects of solid and gas conduction and radiation, the thermal conductivities of three phenolic-nylon chars having porosities of 0.79, 0.82, and 0.88 were measured in vacuum, nitrogen, and helium environments. The temperature range covered was from 400 deg F 477 deg K to 1000 deg F 811 deg K. The pressure range was from 0.002 to 760 torr. The thermal conductivity increased on changing the environment from vacuum to either nitrogen or helium.

Subject Categories:

  • Plastics
  • Inorganic Chemistry
  • Thermodynamics

Distribution Statement:

APPROVED FOR PUBLIC RELEASE