激光热脉冲和热扩散对一维生物组织的影响

IF 0.6 4区 工程技术 Q4 MECHANICS Mechanics of Solids Pub Date : 2024-09-01 DOI:10.1134/S0025654423602641
Elsayed M. Abd-Elaziz, Mohamed I. A. Othman, Amira E. Younis
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引用次数: 0

摘要

摘要 在本研究中,我们考虑了人体头部皮肤组织在激光脉冲和有弛豫时间的热扩散作用下的问题。同时假定化学势是边界平面上时间的已知函数。根据拉普拉斯变换及其极限定理,我们对这一带有扩散的生物传热模型进行了分析。皮肤组织在其边界上受到激光加热时的热反应就是通过这种分析方法求解的。可以得到每个物理场的精确解,并对其分布进行了说明。研究了热滞后参数、时间参数和激光强度对人体皮肤组织的影响。获得了温度、化学势和浓度的数值结果,并以图形表示。结果表明,时间值、弛豫时间和激光强度对物理量有显著影响。
本文章由计算机程序翻译,如有差异,请以英文原文为准。

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Effect of Heat Laser Pulse and Thermal Diffusion on One-Dimensional Biological Tissues

In the present study, we consider a problem of skin tissue of the human head subjected to laser pulse and thermal diffusion with relaxation time. The chemical potential is also assumed to be a known function of time on the bounding plane. Due to the Laplace transform and its limit theorem, an analytical procedure is then imposed on this bioheat transfer model with diffusion. The thermal response of skin tissue subjected to laser heating on its boundary is solved by this analytical approach. The exact solutions of each physical field can be obtained and their distributions are illustrated. The effects of thermal lag parameter, the time parameter and laser intensity on skin tissue of the human being studied. The numerical results of the temperature, chemical potential and concentration are obtained and represented graphically. According to the results, the values of the time, the relaxation time and the laser intensity have significant effects on the physical quantities.

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来源期刊
Mechanics of Solids
Mechanics of Solids 医学-力学
CiteScore
1.20
自引率
42.90%
发文量
112
审稿时长
6-12 weeks
期刊介绍: Mechanics of Solids publishes articles in the general areas of dynamics of particles and rigid bodies and the mechanics of deformable solids. The journal has a goal of being a comprehensive record of up-to-the-minute research results. The journal coverage is vibration of discrete and continuous systems; stability and optimization of mechanical systems; automatic control theory; dynamics of multiple body systems; elasticity, viscoelasticity and plasticity; mechanics of composite materials; theory of structures and structural stability; wave propagation and impact of solids; fracture mechanics; micromechanics of solids; mechanics of granular and geological materials; structure-fluid interaction; mechanical behavior of materials; gyroscopes and navigation systems; and nanomechanics. Most of the articles in the journal are theoretical and analytical. They present a blend of basic mechanics theory with analysis of contemporary technological problems.
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