在移动热源效应下,模拟生物组织中的热传递,其属性取决于温度
Yingze Wang1, Zhaowei He1, Sheng Zhang1
1Department of Energy and Power Engineering, Jiangsu University, Zhenjiang, 212013, PR China.
Journal of thermal biology
|April 12, 2025
概括
这项研究表明,温度依赖性质显著改变生物组织对移动热源的热反应. 考虑这些依赖关系对于准确的热损伤预测至关重要.
科学领域:
- 生物医学工程 生物医学工程
- 热传递是一种热传递.
- 计算机建模 计算建模
背景情况:
- 了解生物组织的热行为对于诸如高热治疗和冷手术等应用至关重要.
- 现有的生物传热模型往往简化了组织特性,可能导致不准确的热预测.
研究的目的:
- 研究温度依赖的物理参数对生物组织热行为的影响.
- 用非线性生物热传递模型分析移动热源下的热损伤.
主要方法:
- 开发了一种非线性生物传热模型,包括双相滞后和阿雷尼乌斯方程.
- 采用混合拉普拉斯变换和数值逆转技术来解决模型.
- 分析了各种移动热源场景的温度分布和热损伤.
主要成果:
- 在温度依赖和独立参数模型之间观察到组织热反应的显著差异.
- 温度依赖的特定热容量,导热率和血液 perfusion 速率在很大程度上影响组织的热行为.
- 模型准确预测移动热源下的温度分布和热损伤.
结论:
- 温度依赖性质对于准确建模生物组织的热反应至关重要.
- 拟议的模型提供了一个更现实的模拟组织中的热效应.
- 这些发现强调了在生物应用的热分析中纳入材料性质变化的重要性.
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