The fundamental and application of transient flashing spray cooling in laser dermatology
发布时间：2025-04-30
点击次数：
- 发布时间：
- 2025-04-30
- 论文名称：
- The fundamental and application of transient flashing spray cooling in laser dermatology
- 发表刊物：
- Advanced Cooling Technologies. InTechOpen
- 摘要：
- 应TechOpen邀请为外文书籍Advanced Cooling Technologies撰写。
Abstract: Cryogen spray cooling (CSC) has been successfully implemented in laser dermatology such as the treatment of port wine stain. It can protect epidermis from irreversible thermal injuries and increase laser energy, leading to the improvement in therapeutic outcomes. Different from traditional steady spray cooling, CSC is highly transient with short spurt duration (several tens of milliseconds). Besides, CSC can achieve flashing atomization and fine droplets with simple structure nozzles by rapid release of superheat. In this chapter, the mechanism of CSC flashing spray, spray and thermal characteristics of droplets, the measurement method of transient temperature and algorithms for heat flux estimation, the dynamic surface heat transfer and its relation with spray characteristics are fully discussed. Finally, the heat transfer enhancement of CSC is introduced including alternative cryogens, new nozzles and hypobaric pressure method to increase the cooling ability, which is essential to improve therapeutic outcome, especially for darkly pigmented human skin.
- 合写作者：
- Zhi-Fu Zhou and Bin Chen
- 是否译文：
- 否
- 发表时间：
- 2018-06-12