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TECHNICAL PAPERS

Analytical Study on Bioheat Transfer Problems with Spatial or Transient Heating on Skin Surface or Inside Biological Bodies

[+] Author and Article Information
Zhong-Shan Deng, Jing Liu

Cryogenics Laboratory, P.O. Box 2711, Technical Institute of Physics and Chemistry, Chinese Academy of Sciences, Beijing 100080, P.R. China

J Biomech Eng 124(6), 638-649 (Dec 27, 2002) (12 pages) doi:10.1115/1.1516810 History: Received January 01, 2001; Revised July 01, 2002; Online December 27, 2002
Copyright © 2002 by ASME
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References

Figures

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Temperature distribution at different times (η=200 m−1,f1(t)=0); (a) P0(t)=250 W/m2; (b) P0(t)=250+200 cos(0.02t) W/m2
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Effect of scattering coefficient on temperature response at skin surface (f1(t)=0); (a) P0(t)=250 W/m2; (b) P0(t)=250+200 cos(0.02t) W/m2
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Effect of surface heat flux to the skin surface temperature response
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Transient temperatures at three positions when step heating is applied (spatial heating Qr=0); (a) ωb=0.0005 ml/s/ml; (b) ωb=0.004 ml/s/ml
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Transient temperatures at three positions when step heating is applied (subject to constant spatial heating); (a) ωb=0.0005 ml/s/ml; (b) ωb=0.004 ml/s/ml
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Transient temperatures at three positions when step heating is adopted (subject to sinusoidal spatial heating); (a) ωb=0.0005 ml/s/ml; (b) ωb=0.004 ml/s/ml
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Effect of heating frequency and blood perfusion on the surface temperature response
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Skin surface temperature response under different heating conditions
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Skin surface temperature response simultaneously under surface and spatial heating with different frequency
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Temperature distribution at different times (f2(t)=15°C,hf=100 W/m2⋅°C); (a) P0(t)=5000 W/m2,η=200 m−1; (b) P1(t)=2500 W/m3,x0=0.021 m
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Influence of cooling medium temperature to tissue temperature distribution
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Influence of heating power on tissue temperature distribution
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Influence of variance in environmental temperature on tissue temperature response (hf=100 W/m2⋅°C)
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Influence of variance in environmental temperature on tissue temperature response (hf=25 W/m2⋅°C)
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Influence of variance in metabolic rate on tissue temperature response
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Calculation geometry for 3-D case
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Steady state temperature distribution at one profile (heated by one point-heating source)
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Steady state temperature distribution at one profile (heated by two point-heating sources)
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Steady state temperature distribution at one profile (x=0.021 m, and heated by three point-heating sources)

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