Jiang S C, Ma N, Li H J, Zhang X X
Department of Thermal Engineering, Tsinghua University, Beijing, PR China.
Burns. 2002 Dec;28(8):713-7. doi: 10.1016/s0305-4179(02)00104-3.
A one-dimensional multi-layer model is presented to characterise the skin burn process resulting from the application of a high temperature heat source to a skin surface. Transient temperatures were numerically calculated using a finite difference method to solve the Pennes bioheat equation. A damage function denoting the extent of burn injury was then calculated using the Arrhenius assumptions. The model was used to predict the effects of thermal physical properties and geometrical dimensions on the transient temperature and damage function distributions. The results show that the epidermis and dermis thicknesses significantly affect the temperature and burn injury distributions, while variations of the initial temperatures and the blood perfusion have little effect.
提出了一种一维多层模型来表征高温热源作用于皮肤表面时的皮肤烧伤过程。采用有限差分法数值求解彭尼斯生物热方程以计算瞬态温度。然后利用阿累尼乌斯假设计算表示烧伤程度的损伤函数。该模型用于预测热物理性质和几何尺寸对瞬态温度和损伤函数分布的影响。结果表明，表皮和真皮厚度对温度和烧伤分布有显著影响，而初始温度和血液灌注的变化影响较小。
