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Published on: January 19, 2024
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Numerical Simulation of Temperature Distribution during Mild Moxibustion
Honghua Liu1, Zhiliang Huang2, Lei Wei3
1Hunan University of Chinese Medicine, Changsha 410208, China.
Summary
Mild moxibustion, a therapeutic technique, requires precise temperature control for optimal efficacy. This study simulated heat transfer to identify ideal conditions for mild moxibustion on human skin.
Area of Science:
- Biomedical Engineering
- Thermal Physics
- Traditional Chinese Medicine
Background:
- Mild moxibustion is a form of moxibustion therapy involving controlled heat application.
- Achieving therapeutic warmth without causing burns is crucial for patient comfort and treatment effectiveness.
- Understanding the thermal dynamics of mild moxibustion is essential for optimizing its application on human tissues.
Purpose of the Study:
- To enhance the therapeutic efficacy of mild moxibustion by optimizing temperature distribution on human tissues.
- To investigate the thermal characteristics of skin tissue during mild moxibustion under various parameters.
Main Methods:
- Developed a finite element model integrating radiative, conductive, and surface-to-surface heat transfer.
- Simulated biological heat transfer in skin tissue under mild moxibustion conditions.
- Analyzed the influence of moxa-burning temperature, stick-to-skin distance, moxa stick size, and ambient temperature on skin temperature distribution.
Main Results:
- Temperature distribution during mild moxibustion is highest at the application point and decreases radially.
- Higher moxa-burning temperatures increase skin temperature and reduce heating stability.
- Increased stick-to-skin distance lowers skin temperature, while larger moxa stick diameters increase it.
- Moxibustion duration directly correlates with rising skin temperature, which plateaus in later stages.
Conclusions:
- Identified optimal mild moxibustion parameters for stable and effective temperature distribution.
- The study provides a basis for refining mild moxibustion protocols to improve treatment outcomes.
- Finite element modeling is a valuable tool for understanding and optimizing thermal therapies like mild moxibustion.
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