The mechanism and influence factors of artificial roughness (ar) on enhanced heat transfer in chamber cooling channels have been analyzed.
对推力室冷却通道内的人为粗糙度强化换热机理进行了分析，讨论了影响人为粗糙度强化换热的因素。
It shows that reasonable use of artificial roughness on the cooling surface of the mould can enhance the cooling of the mould and increase productivity.
计算和分析表明：在热成形模具外冷却表面合理地设置人为粗糙度有利于强化对模具的冷却，提高生产效率。
The design principle, artificial roughness, component and function of automatic measuring and control system of the flood control model are introduced here.
文中论述了该段防洪模型的设计原理、加糙方法、自动检测与控制系统的组成和功能。
By the testing we found the flexible artificial roughness rubber turns which simulated the wasted tires were the main factor which affect the roughness of the bottom which directed to vertical flow.
通过试验发现就环状橡胶圈（模拟废旧轮胎）这种柔性加糙体，垂直水流方向的投影面积是影响槽底糙率、水深和流速的主要因素。
An analysis model which can predict grinding force and surface roughness of aluminum alloy with abrasive belt grinding by using artificial neural networks was established.
建立了采用人工神经网络方法预测砂带磨削铝合金时磨削力和磨削表面粗糙度的分析模型。
An analysis model which can predict grinding force and surface roughness grinding works by using artificial neural networks is introduced.
介绍了采用人工神经网络方法预测磨削力和磨削表面粗糙度的分析模型。
On the basis of those work, we continue to simulate and discuss the changes of heat island intensity caused by artificial heat source, aerodynamic roughness length and wind speed.
在此基础上，模拟并探讨了人为热源、风速、地面粗糙度等因素对城市热岛强度的影响。
After hard anodizing, surface roughness increases, the surface roughness of artificial aging (T6) is bigger and grows faster.
硬质阳极氧化后表面粗糙度都增加，且经T6处理后的表面粗糙度更大、增长更快；
The change extent of surface random roughness under natural forest is smaller than the artificial forest.
天然林的地表随机糙度变化幅度小于人工林的地表随机糙度。
The change extent of surface random roughness under natural forest is smaller than the artificial forest.
天然林的地表随机糙度变化幅度小于人工林的地表随机糙度。
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