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1)  intake dam section
进水口坝段
1.
At intake dam section of Longtan Hydropower Station normal concrete is placed mainly by cable crane and tower crane,with spout,tyre-belt conveyer and backhoe as auxiliary means to accelerate the process so as to complete the placement on schedule.
龙滩水电站进水口坝段常态混凝土施工主要采用缆机、塔机入仓浇筑,为满足施工工期要求,同时采用溜管、胎带机、反铲等辅助入仓手段以提高混凝土入仓强度,为尽量避免混凝土在运输过程中造成温升,通过在混凝土生产、运输、浇筑和通水冷却等过程中合理控制混凝土温度,并细化各环节温度控制措施,使坝体混凝土温度得以良好控制。
2)  subsection intake
分段进水口
1.
Taking improved constructed rapid infiltration system as experimental device, schoolyard domestic sewage as object, the methods of adding subsection intake and overflow pool was used to study the total nitrogen removal efficiency of improved constructed rapid infiltration.
以改进型CRI系统为研究装置,以校园生活污水为研究对象,分别采取增加分段进水口以及溢流池的方式,探讨系统TN去除效果。
3)  intake dam
坝内式水电站厂房,大坝进水口
4)  dam intake
水坝取水口
5)  thermal entrance region
热进口段
1.
Numerical analyses are conducted for combined free and forced laminar convection in the thermal entrance region of inclined pipes with buoyancy-aided flow.
用数值分析方法研究了倾斜管内热进口段自然强制同向复合对流传热 ,分析了浮力、倾斜角及轴向导热对流动和传热特性的影响 ,得到了速度、温度、壁面剪切应力、局部及平均Nusselt数的分布和变化 研究结果显示Pe=71时平均Nusselt数的最大值位于 2 5°~ 45°之间 ,Pe=2 5时则在 90°处出现 。
2.
Free convection effects on laminar forced convective heat transfer have been investigated for airflow in the thermal entrance region of a horizontal pipe.
本文研究了水平管内空气层流强制对流传热时,自然对流对热进口段传热和流动的影响。
3.
On the ground of general control equations, by paying attention to heat transfer characteristics in thermal entrance region and optimizing relations which affect the heat transfer, such as ones for velocity fields , eddy diffusivities for heat and momentum transfer, the present authors established a calculation model easy to be solved with the help of computer program.
从一般控制方程出发,根据环管热进口段传热特点,结合优化选择影响传热的诸如速度分布、湍流热量扩散率和动量扩散率等半经验关系式,建立能借助计算机理论求解的计算模型,并在进一步简化条件下计算、分析了轴向导热对进口段传热的影响。
6)  Cpmax in inlet section
进口段Cpmax
补充资料:水坝
1.土石或混凝土筑成的拦水建筑物。
说明:补充资料仅用于学习参考,请勿用于其它任何用途。
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