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Thermal Protection System Structures for the Space Transportation System

Research Project

Project/Area Number 02452091
Research Category

Grant-in-Aid for General Scientific Research (B)

Allocation TypeSingle-year Grants
Research Field Aerospace engineering
Research InstitutionKyushu University

Principal Investigator

SUMI Seinosuke  Kyushu University, Faculty of Engineering, Professor, 工学部, 教授 (10037947)

Co-Investigator(Kenkyū-buntansha) YAMASAKI Masahide  Kyushu University, Faculty of Engineering, Research Associate, 工学部, 助手 (00038085)
MUROZONO Masahiko  Kyushu University, Faculty of Engineering, Associate Professor, 工学部, 助教授 (10190943)
Project Period (FY) 1990 – 1991
Project Status Completed (Fiscal Year 1991)
Budget Amount *help
¥5,500,000 (Direct Cost: ¥5,500,000)
Fiscal Year 1991: ¥2,400,000 (Direct Cost: ¥2,400,000)
Fiscal Year 1990: ¥3,100,000 (Direct Cost: ¥3,100,000)
KeywordsSpace Transportation System / Thermal Protection System / Multiwall TPS / Heat Isolation / Thermal Conductivity / Thermal Stress / Reentry / FEM / 熱防御システム / 熱ふく射
Research Abstract

Transient thermal analyses of a titanium multiwall thermal protection system (TPS) are presented. The multiwall TPS concept consists of alternate flat and dimpled sheets which are welded together at the crests of the dimpled sheet, and it is formed into square tiles which are mechanically attached to the primary structure of the space transportation system. The purpose of this research is to present a heat isolation property of a titanium multiwall TPS. Three modes of heat transfer are considered, that is, conduction through the gas inside the tiles, conduction through the metal and radiation between the adjoined sheets. An effective thermal conductivity is obtained analytically from a steady state analysis considering the three modes of heat transfer. The contributions of each mode of heat transfer to various parameters are shown. Gas conduction is major mode of heat transfer at relatively low temperatures, and radiation becomes dominant mode at higher temperatures. Temperatue distributions through the thickness and their time histories are also calculated considering the temperature dependence of the effective thermal conductivity and other material properties using the one-dimensional finite element model. The results indicate that the temperature of the aluminum primary structure for the TPS design condition is sufficiently low.

Report

(3 results)
  • 1991 Annual Research Report   Final Research Report Summary
  • 1990 Annual Research Report
  • Research Products

    (11 results)

All Other

All Publications (11 results)

  • [Publications] 角 誠之助: "マルチウォ-ル型金属熱防護システムの遮熱性解析" 九州大学工学集報. 64. 241-248 (1991)

    • Description
      「研究成果報告書概要(和文)」より
    • Related Report
      1991 Final Research Report Summary
  • [Publications] 角 誠之助: "マルチウォ-ル型金属熱防護システムの遮熱性解析" 第33回構造強度に関する講演会講演集. 270-273 (1991)

    • Description
      「研究成果報告書概要(和文)」より
    • Related Report
      1991 Final Research Report Summary
  • [Publications] 角 誠之助: "マルチウォ-ル型金属熱防護システムの熱・構造解析" 日本航空宇宙学会西部支部講演会講演集. 101-104 (1991)

    • Description
      「研究成果報告書概要(和文)」より
    • Related Report
      1991 Final Research Report Summary
  • [Publications] Seinosuke SUMI.: "Analyses of Heat Isolation Property for Metallic Multiwall Thermal Protection System" Technology Reports of Kyushu University. 64. 241-248 (1991)

    • Description
      「研究成果報告書概要(欧文)」より
    • Related Report
      1991 Final Research Report Summary
  • [Publications] Seinosuke SUMI: "Analyses of Heat Isolation Property for Metallic Multiwall Thermal Protection System" Proceedings of the JSASS/JSME Structures Conference. 270-273 (1991)

    • Description
      「研究成果報告書概要(欧文)」より
    • Related Report
      1991 Final Research Report Summary
  • [Publications] Seinosuke SUMI: "Thermal/Structural Analyses of the Metallic Multiwall Thermal Protection System" Proceedings of the JSASS Seibu Branch Annual Conference. 101-104 (1991)

    • Description
      「研究成果報告書概要(欧文)」より
    • Related Report
      1991 Final Research Report Summary
  • [Publications] 角 誠之助: "マルチウォ-ル型金属防護システムの遮熱性解析" 九州大学工学集報. 64. 241-248 (1991)

    • Related Report
      1991 Annual Research Report
  • [Publications] 角 誠之助: "マルチウォ-ル型金属熱防護システムの遮熱性解析" 第33回構造強度に関する講演会演集. 270-273 (1991)

    • Related Report
      1991 Annual Research Report
  • [Publications] 角 誠之助: "マルチウォ-ル型金属熱防護システムの熱・構造解析" 日本航空宇宙学会西部支部講演会演集. 101-104 (1991)

    • Related Report
      1991 Annual Research Report
  • [Publications] 角 誠之助: "マルチウォ-ル型金属熱防御システムの遮熱性解析" 第33回構造強度に関する講演会講演集. (1991)

    • Related Report
      1990 Annual Research Report
  • [Publications] 角 誠之助: "マルチウォ-ル型金属熱防御システムの遮熱性解析" 九州大学工学集報. 64. (1991)

    • Related Report
      1990 Annual Research Report

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Published: 1990-04-01   Modified: 2016-04-21  

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