An Orthotropic Thermal Conductivity Measurement in Flexible Fibrous Insulation Materials

James D. Senig, Christopher T. Barrow, John F. Maddox

Research output: Chapter in Book/Report/Conference proceedingConference contributionpeer-review

Abstract

A testing apparatus will be developed that will help in characterizing the thermal conductivity of FiberForm® . Unlike previously performed experiments, the thermal conductivity present in the plane of the TPS material will be investigated, as opposed to the through the thickness thermal conductivity. It’s importance is critical in determining how heat flows and spreads on these TPS. A computational fluid dynamics model has been developed in ANSYS Fluent to determine which experimental set-up produced the best thermal conductivity measurements. These geometries varied in sample size and insulation thickness. Four different models for temperature were tested along with these geometries. It was found that an orthotropic model for thermal conductivity along with a shorter sample length and more insulation provided a better measurement for the thermal conductivity. The quadratic model produced the lowest error at 2.05%.

Original languageEnglish
Title of host publicationAIAA AVIATION 2022 Forum
DOIs
StatePublished - 2022
EventAIAA AVIATION 2022 Forum - Chicago, United States
Duration: Jun 27 2022Jul 1 2022

Publication series

NameAIAA AVIATION 2022 Forum

Conference

ConferenceAIAA AVIATION 2022 Forum
Country/TerritoryUnited States
CityChicago
Period6/27/227/1/22

Bibliographical note

Funding Information:
This work is supported by NASA Space Technology Research Institute (STRI): Advanced Computational Center for Entry System Simulation (ACCESS); Grant Number: 80NSSC21K1117

Publisher Copyright:
© 2022, American Institute of Aeronautics and Astronautics Inc, AIAA. All rights reserved.

ASJC Scopus subject areas

  • Energy Engineering and Power Technology
  • Nuclear Energy and Engineering
  • Aerospace Engineering

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