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作者:

Li, Hua (Li, Hua.) | Fan, Zhoutian (Fan, Zhoutian.) | Nan, Qun (Nan, Qun.) | Cheng, Yanyan (Cheng, Yanyan.)

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摘要:

In order to simulate the heat transfer in the process of hyperthermia, one-dimensional time-fractional Cattaneo heat transfer equation (TFHE) is established. Based on TFHE, the heat transfer model is solved by using finite difference method, because a single layer of biological tissue in vitro is irradiated by electromagnetic energy. The effect of power parameters (energy flux density P-0, tissue attenuation coefficient h) and equation parameters (relaxation time tau(q) and fractional order beta) on the prediction of temperature simulated by TFHE were studied. Furthermore, comparative studies on TFHE, Pennes and CV are performed and evaluated. In the heating process, because of the existence of relaxation time tau(q), the temperature response of TFHE and CV are later than Pennes, leading to the lower temperature prediction of TFHE and CV than that of Pennes. The shorter the time is, the higher the energy is, and the more obvious the difference is.

关键词:

Fractional heat transfer equation Non-Fourier conduction Electromagnetic thermotherapy Numerical simulation Finite difference method

作者机构:

  • [ 1 ] [Li, Hua]Beijing Univ Technol, Coll Appl Sci, Beijing 100124, Peoples R China
  • [ 2 ] [Fan, Zhoutian]Beijing Univ Technol, Coll Appl Sci, Beijing 100124, Peoples R China
  • [ 3 ] [Nan, Qun]Beijing Univ Technol, Coll Life Sci & Bioengn, Beijing 100124, Peoples R China
  • [ 4 ] [Cheng, Yanyan]Beijing Univ Technol, Coll Life Sci & Bioengn, Beijing 100124, Peoples R China

通讯作者信息:

  • [Nan, Qun]Beijing Univ Technol, Coll Life Sci & Bioengn, Beijing 100124, Peoples R China

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来源 :

JOURNAL OF THERMAL BIOLOGY

ISSN: 0306-4565

年份: 2020

卷: 94

2 . 7 0 0

JCR@2022

ESI学科: PLANT & ANIMAL SCIENCE;

ESI高被引阀值:74

被引次数:

WoS核心集被引频次: 8

SCOPUS被引频次: 9

ESI高被引论文在榜: 0 展开所有

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