free flow tunnel 明流洞 ; 无压坑道
free flow tunnel development 明流隧洞引水式电站
free-flow tunnel development 明流隧洞式电站
free molecule flow wind tunnel [航] 自由分子流风洞
Free-flow tunnel used more round arch straight wall form cross-section.
无压隧洞多采用圆拱直墙形断面。
This turbulence caused the flow pattern in the tunnel to be similar to the flow pattern in free air at a higher Reynolds number.
这种紊流使风洞内的流谱与在较高的雷诺数下自由气流中的流谱相似。
About the experiment, these experiments were conducted in the free stream wind tunnel, and vitiated air heater was used to simulate the high altitude flow condition.
本文试验在自由射流风洞中进行，利用空气加热器模拟高空飞行条件。
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