查询词典 turbine-engined

At last, the imitation experiments of wind turbine operation characteristics were performed, The experiments were done under two typical conditions of variable wind speed and variable machine velocity.

对风速变化及机组转速变化两种典型运行条件下的风力机运行特性进行了模拟实验，模拟结果与理论数据达到了高度的吻合。

Introduced in this paper is a new method by which parameters are selected on the principle of the maximum turbine efficiency to derive a formula for the calculation of the optimal velocity ratio, and on the principle of the minimum leaving velocity loss and preventing diffusion flow to derive respectively the formulas for calculation of rational veloity ratio.

本文以涡轮效率最大的原则选参数，导出了计算最佳速比的公式；也以离速损失最小和防止扩压流动的原则选参数，分别导出了计算合理速比的公式。

The performance of the combination of Venturi meter and turbine flowmeter in liquid-liquid two-phase flow measurement was investigated.

本文研究了运用单相流量计组合进行液液两相流参数测量的方法。

Among the flowmeters discussed are orifice plate meters, venturi meter and standard nozzles, critical flow venturi nozzles, positive displacement flowmeters, turbine and related flowmeters, vortex shedding and fluidic flowmeters, electromagnetic flowmeters, ultrasonic flowmeters, and coriolis flowmeters.

在讨论的是孔板流量计米，丘米和标准喷嘴，文丘里喷嘴临界流，容积流量计，涡轮机和相关流量计，涡脱落和射流流量计，电磁流量计，超声波流量计和科氏流量计。

This paper will mainly discuss about the performance and the development of the vertical -axis wind turbine.

主要论述了达里厄风力机的优良性能及其发展。

Consequently, based on many fundamental theories, this thesis intends to design a new vertical axis wind turbine system with high efficiency.

因此，本论文统合各专门学术的理论，设计出一种高效率的新型垂直轴风力发电系统。

The scrambling and complexity of some vibration signals of a turbine generator set rotor at different scales is studied by means of the technology.

利用该技术对发电机组转子振动信号置于不同尺度下，观测其不规则性和复杂性。

Accordingly, the vibration theory, vibration sources and the part vibration fault features of turbine generator units are analysed, sorted out and finalized so as to lay a solid foundation for the establishment of fault diagnosis expert knowledge bank.

本文首先论述了水轮发电机组故障诊断的重要意义，详细分析了故障诊断的研究现状及发展趋势，并对故障诊断的应用前景做了进一步分析。

It adopts Reynolds time-average N-S equation and k-s turbulence model to calculate the inner 3-D viscid turbulence flow of hydraulic turbine. In the unstructured grid, the governing equations are discredited with Finite Volume Method based on Finite Element Method. And the pressure correction method is proposed in numerical calculations.

然后采用基于雷诺时均N-S方程与标准k-ε湍流模型来计算水轮机三维粘性湍流场，在非结构化网格中，采用基于有限元的有限体积法对方程进行离散，用压力校正法进行数值求解。

Optimization system of reaction turbine runner based on numerical simulation of 3D viscous flow is established.

本文建立了一套基于三维粘性流数值分析的反击式水轮机转轮水力性能的优化方法。

According to the clear water experiment, aeration performance of the new equipment is good with high total oxygen transfer coefficient and oxygen utilization ratio.

曝气设备的动力效率在叶轮转速为120rpm～150rpm时取得最大值，此时氧利用率和充氧能力也具有较高值。

The environmental stability of that world - including its crushing pressures and icy darkness - means that some of its most famous inhabitants have survived for eons as evolutionary throwbacks, their bodies undergoing little change.

稳定的海底环境─包括能把人压扁的压力和冰冷的黑暗─意谓海底某些最知名的栖居生物已以演化返祖的样态活了万世，形体几无变化。