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Phys Med Biol. 2009 May 21;54(10):N189-96. doi: 10.1088/0031-9155/54/10/N02. Epub 2009 May 6.

Modeling time variation of blood temperature in a bioheat equation and its application to temperature analysis due to RF exposure.

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Department of Computer Science and Technology, Nagoya Institute of Technology, Nagoya, Japan.


The present study discusses a scheme to take into account core temperature variation in a well-known bioheat equation. First, the limitation in conventional modeling of the bioheat equation was investigated for a problem in which the whole-body phantom should be taken into account. Then, schemes for varying body-core temperature in the bioheat equation were discussed for radio-frequency exposures. The computational uncertainty in the core temperature elevation was found to be reasonable when a proper scheme for computing the net rate of heat acquisition by blood from body tissue was introduced.

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