Surface ablation rate is used to calculate reduction in thickness and rate of charring is used to measure the extent of charring.Third, Finite Difference Method is used for the numerical calculations.

• 在计算烧蚀过程中吸收的能量时考虑 了烧蚀热和质量转移速率，在计算厚度的减少时采用了表面烧蚀速率 ，并用碳化速率来表示碳化程度。