The influences of the aspect ratio and wall roughness on the coolant flow characteristics, which mainly involve pressure loss, secondary flow and turbulence intensity, were investigated.
研究了高宽比和壁面粗糙度对压力损失、二次流动和紊流强度的影响。
The turbulence induced by the defects of nozzle, such as the burr at the inlet and outlet, and the roughness of the wall, is the main cause to decrease the length of intact jet.
当射流速度比较大时，喷管的缺陷如进口出口的毛刺和流道壁的粗糙度是诱发湍流使射流破断的主要原因。
The anisotropy invariant map was also introduced briefly. The effect of the distance away from the wall and the Reynolds number on the turbulence structure in a pipe flow was also analysed.
介绍了湍流不变量图在圆管湍流研究中的应用，分析了离壁距离和雷诺数对管流湍流结构的影响。
The new flow control devices, turbulence inhibitor and wall gas blowing, have been developed for the tundish of slab continuous casting in No. 2 Steelmaking Plant, BENXCO by compared experiments.
结合本钢炼钢厂板坯中间罐的控流装置，通过实验室对比试验研究，开发了新型控流装置——湍流控制器和微细泡气幕挡墙。
To solve the above problem, a low-Reynolds number turbulence model with a hybrid wall boundary treatment was adopted.
通过改进湍流模型和壁面边界，即用低雷诺数湍流模型结合混合壁面边界的处理方法解决了以上问题。
The results show that effect of wall curvature on turbulence is distinct, and enhances with increase of S/W, Reynolds number based on jet exit width.
结果表明，曲率对壁面射流的影响较强，并随着S／W的增大而增强。 随着雷诺数的增大，壁面曲率的影响也有强化的趋势。
The study of wall-pressure fluctuation is not only the important part in the theory of turbulence, but also the actual need in engineering.
对水流脉动壁压的研究，不仅有助于了解水流内部的紊动结构，而且具有重要的工程应用价值。 介绍了正交分解法在脉动壁压研究中的应用。
The simulation results demonstrated flow velocity, turbulence kinetic energy and wall temperature increased with increment of heat flux.
计算结果表明：随着热通量的增加，流场的速度、湍流强度和壁温均升高。
The simulation results demonstrated flow velocity, turbulence kinetic energy and wall temperature increased with increment of heat flux.
计算结果表明：随着热通量的增加，流场的速度、湍流强度和壁温均升高。
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