Aggarwal Yogender, Karan Bhuwan Mohan, Das Barda Nand, Sinha Rakesh Kumar
Department of Biomedical Instrumentation, Birla Institute of Technology, Mesra, Ranchi, Jharkhand 835215, India.
J Med Syst. 2008 Aug;32(4):283-90. doi: 10.1007/s10916-008-9133-0.
Many mathematical models of thermoregulation in humans have been developed, so far. These models appeared to be very useful tools for studying temperature regulation in humans under adverse environmental conditions. However, no one discussed the heat transfer characteristics of denervated subjects. Thus, the present study is concerned with aspects of the passive system for denervated subjects: (1) modeling the human body extremities (2) modeling heat transport mechanism within the body and at its periphery. The present model was simulated using the software (Wintherm 8.0, Thermoanalytics, USA) for different body segments to predict the heat flow between body core and skin surface with changes in environmental temperature with fixed relative humidity and wind velocity. The simulated model for comparative study of internal temperature distribution of hand, arm, leg and feet segments yielded remarkably good results and observed to be in trends with previously cited work under ambient environmental condition and at controlled room temperature. Models could be used to measure the temperature distribution in human limbs during local hyperthermia and to investigate the interaction between limbs and the thermal environment.
到目前为止，已经开发了许多人体体温调节的数学模型。这些模型似乎是研究在不利环境条件下人体温度调节的非常有用的工具。然而，没有人讨论过去神经支配受试者的热传递特性。因此，本研究关注去神经支配受试者被动系统的各个方面：（1）对人体四肢进行建模；（2）对体内及其周边的热传输机制进行建模。使用该软件（Wintherm 8.0，美国Thermoanalytics公司）对本模型进行模拟，针对不同身体部位预测在环境温度变化、相对湿度和风速固定的情况下体核与皮肤表面之间的热流。对手、手臂、腿和脚部的内部温度分布进行比较研究的模拟模型得出了非常好的结果，并且观察到在环境环境条件和可控室温下与先前引用的工作趋势一致。这些模型可用于测量局部热疗期间人体四肢的温度分布，并研究四肢与热环境之间的相互作用。
