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HONG Sihui, ZHOU Yupeng, ZHAO Xin. Study on Thermal Wave Transfer Characteristics in Ultra-low Thermal Conductivity Materials (in Chinese). Chinese Journal of Space Science, 2025, 45(4): 1-9 doi: 10.11728/cjss2025.04.2024-0101
Citation: HONG Sihui, ZHOU Yupeng, ZHAO Xin. Study on Thermal Wave Transfer Characteristics in Ultra-low Thermal Conductivity Materials (in Chinese). Chinese Journal of Space Science, 2025, 45(4): 1-9 doi: 10.11728/cjss2025.04.2024-0101

Study on Thermal Wave Transfer Characteristics in Ultra-low Thermal Conductivity Materials

doi: 10.11728/cjss2025.04.2024-0101 cstr: 32142.14.cjss.2024-0101
  • Received Date: 2024-08-13
  • Accepted Date: 2025-06-30
  • Rev Recd Date: 2025-04-17
  • Available Online: 2025-04-18
  • Considering a single ultra-low thermal conductivity insulation material, the transfer process of external heat flow noise in a single stage insulation material is modeled by using generalized thermoelasticity theory and one-dimensional thermomass theory. Combined with the CV model of one-dimensional Fourier heat conduction theory, the damping oscillation model of temperature was proposed, and the quasi-steady transfer process of external heat flow in single-layer materials was modeled. The functional relationship of temperature noise response to external heat flow noise was constructed, and the corresponding characteristics of node temperature were obtained. Through sensitivity analysis, the key parameters and their influencing rules of temperature noise attenuation were clarified.

     

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