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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.
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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
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