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<p>A&#xa0;solid composite cryogenic fuel tank was studied during tests with the excess pressure of liquid nitrogen during repeated fuelling/draining cycles. An algorithm for processing tensometric measurements was created, and a&#xa0;computational experiment was performed. A&#xa0;visual analytical technology of processing and assessing the structure state during tests with excess pressure of liquid nitrogen was proposed and implemented to control the state of carbon fiber thin-walled power shells. It was confirmed that the structure during the testing process effectively accepts loading and is deformed with no differences, both under repeated loading and increased pressure.</p>

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Tensometric study of the stress-strain state of the fuel tank

  • 期刊论文

  • 发表日期：

    2025年3月1日

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  • O. V. Litot,
  • T. A. Manko

摘要

A solid composite cryogenic fuel tank was studied during tests with the excess pressure of liquid nitrogen during repeated fuelling/draining cycles. An algorithm for processing tensometric measurements was created, and a computational experiment was performed. A visual analytical technology of processing and assessing the structure state during tests with excess pressure of liquid nitrogen was proposed and implemented to control the state of carbon fiber thin-walled power shells. It was confirmed that the structure during the testing process effectively accepts loading and is deformed with no differences, both under repeated loading and increased pressure.