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皮肤传热的双相位滞后模型

ISSN号：0253-987X
期刊名称：《西安交通大学学报》
时间：0
分类：R334.5[医药卫生—人体生理学;医药卫生—基础医学]
作者机构：[1]西安交通大学强度与振动教育部重点实验室,西安710049, [2]剑桥大学工程系,CB21PZ,英国剑桥
相关基金：国家重点基础研究发展规划资助项目（2006CB601202）;国家自然科学基金资助项目（10572111,10632060）;国家杰出青年基金资助项目;国家“111计划”资助项目（B06024）;剑桥大学“海外研究奖学金（Overseas Research Studentship）”和“海外信托基金奖学金（Overseas Trust Scholarship）”资助项目.

关键词：皮肤组织, 生物传热, 非傅里叶分析, 双相位滞后模型, skin tissue, bioheat transfer, non-Fourier analysis, dual-phase-lag model

中文摘要：

为了研究皮肤组织传热过程中的非傅里叶特性，采用双相位滞后生物传热模型分析了皮肤组织的传热过程，对典型案例进行了详细分析，并与Penness模型、热波模型进行了比较．研究结果表明：Pennes模型、热波模型与双相位滞后模型的生物传热预测结果存在很大差异；不同的双相位滞后模型给出了相似的结果；热松弛时间参数对温度和热损伤有较大影响．研究结果可望对医学中热问题的研究，尤其是临床皮肤热治疗方法的改进，起到积极的推动作用．

英文摘要：

The aim of this study is to develop a computational approach to examine the non- Fourier heat transfer process in skin tissue. The study bioheat transfer in skin tissue, for it has the dual-phase-lag （DPL） model is employed to ability to characterize microstructural interactions in heat transport. Large discrepancies are found to exist amongst the predictions of Pennes model and DPL model of bioheat transfer. The results obtained here will be helpful for analysis of thermal behaviour in medicine, especially for the improvement of currently used thermal therapies in clinics.

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