查询词典 shaft tunnel

In this paper,mathematical expressions of some swirl characteristic s of typical level hollow swirling flow in inner dissipation discharge tunnel with inlet shaft have been put forward under velocity distribution supposition.

试验观测结果表明，相对于起始断面的各种旋流特性具有明显的分段性质和沿程衰减的特性；下游水位对空腔环流的旋流特性有显著的影响。

This is a correlative report of "Wall pressure distribution of the horizontal vortex and inner energy dissipating tunnel with an inlet shaft" published earlier.

本文为&竖井进流水平旋转内消能泄水道的壁面压力分布&一文的相关篇。

Among his 10 or more publications, there is the "Study on Aseismic Design of Joint Between Tunnel and Shaft by means of Beam Spring Calculation Modelling".

撰写&隧道和工作井连接部采用梁弹簧计算模型免震设计方法的研究&等10余篇技术论文。

The running quality of the wind tunnel power shaft system has a decisive influence on the efficiency and performance. With increase of the runtime of the shafting, rotor parts have inevitable mass eccentricity, which obviously strengthens the coupling function of torsional and bending vibration.

风洞动力轴系的运行品质对风洞的效率和性能有决定性的影响，随着轴系在役运行时间的增加，转动部分多数会有质量偏心现象出现，这使得轴系的扭转振动与弯曲振动的耦合作用明显增强。

According to the characteristics of similarity criterion of model test in horizontal swirling flow tunnel with vertical shaft, the relationship of the sectional area of air hole and the similarity law of gas fraction ratio between model and prototype were derived.

在进一步研究竖井水平旋流洞模型相似律的基础上，推导出竖井式水平旋流洞原、模型通气管截面积的换算关系和原、模型含气率分布的换算关系。

Dig a pit, tunnel, shaft, etc

挖坑、 隧道、升降井等。

Base on experimental data, studies on discharge characterisitics of inner energy dissipating tunnel with inlet shaft and horizontal vortex, were systematically carried out. The flow pattern and relevant parameters were analyzed.

本文从分析竖井进流水平旋转内消能泄水道的流态及影响因素出发，根据试验资料对其泄量特性进行了系统地分析与研究。

Tunnel a hole,shaft,passage,etc

挖掘洞穴、矿井、通道等。

In the research foundation of reconstructing leading hole into swirl hole, board hole, blocking hole and other internal energy dissipation ,this paper adopts the method of combining optimization design , experimental study and theoretical analysis together, and discusses barrage effect of level rotary internal energy dissipation discharge tunnel with shaft inlet, and obtains the preliminary achievement of testing and theoretical research.

本文在导流洞改建为旋流洞、孔板洞、洞塞洞等内消能工的研究基础上，采取优化设计、试验研究与理论分析相结合的方法，探讨了竖井进流水平旋流内消能泄洪洞的阻塞效应，取得了试验和理论研究方面的初步成果。

The paper simulated the hydraulic behaviors of level swirling flow field of inner energy dissipation discharge tunnel with shaft inlet by Renolds stress model.

应用雷诺应力模型，模拟了竖井进流水平旋转内消能泄洪洞空腔环流的水力特性。

This one mode pays close attention to network credence foundation of the businessman very much.

这一模式非常关注商人的网络信用基础。

Cell morphology of bacterial ghost of Pasteurella multocida was observed by scanning electron microscopy and inactivation ratio was estimated by CFU analysi.

扫描电镜观察多杀性巴氏杆菌细菌幽灵和菌落形成单位评价遗传灭活率。