炭化层 meaning in English
carburization zone
charring layer
Examples
- Finally , the numerical technique was used to investigate influence that different parameters on ablation rate . the relationship between oxygen percentage , pressure , depth of charred layer and ablation rate were obtained
最后计算了不同参数对材料烧蚀率的影响，得到了烧蚀率随富氧含量、试验段压强以及炭化层厚度变化的趋势。 - Ferrous metals , non - ferrous metals , ic thin sections , coatings , ply - metals ; glass , ceramics , agate , precious stones ; hardness testing such as that on the depth and the trapezium of the carbonized layers and quench hardened layers
黑色金属、有色金属、 ic薄片、层压金属、表面涂层；玻璃、陶瓷、玛瑙、宝石等；炭化层和淬火硬化层的深度及梯度的硬度测试。 - Because thermal insulation was in oxygen - riched condition of afterburner and charred layer was porous , oxygenous gas in mixture would penetrate into charred layer and chemical reaction would take place in whole charred layer , which intensified the ablation process
由于绝热层处于二次燃烧室富氧的环境中，而且炭化层为疏松多孔状物质，因此将化学反应引入到整个炭化层中。 - The ablation process in oxygen - riched condition was explored and a physical model was established . electron microscope scanning showed that thermal insulation would form three layers during ablation , namely , primitive material layer , pyrolytic layer and charred layer
在实验基础上对富氧烧蚀过程进行了分析，建立了富氧条件下以基体层、热解层、炭化层三层结构为基础的烧蚀物理模型。 - According to the physical model , a mathematical model and computational method were proposed . an axially symmetric transient thermal conduction equation was put forward , which included material pyrolysis , pyrolysis gas flow and chemical reaction in charred layer . chemical reaction was controlled by chemical dynamics , and the reaction rate was computed using arrhenious equation
针对物理模型提出了相应的数学模型和数值计算方法，在材料内部建立了二维轴对称的非稳态导热控制方程，其中加入了材料热解、热解气体流动以及炭化层内的化学反应等因素的影响，化学反应由化学动力学控制，通过arrhenius公式确定其反应速率。