turbomachinery造句

• Application of computational fluid dynamics and its solution in turbomachinery
  计算流体力学与求解方法在叶轮机械中的应用
• Clocking effect has great potential in improving the efficiency of turbomachinery
  摘要时序效应具有改进多级叶轮机效率的潜力。
• The work of this paper can provide a useful reference for optimum design in turbomachinery
  本文的研究工作可以为叶轮机械的优化设计提供帮助。
• Fluid induced oscillation is one of the most important problems that threaten the turbomachinery ' s safety
  流体激振是造成叶轮机械安全性问题的重要原因。
• This numerical approach is used to analyze three typical fluid - induced vibration problems in turbomachinery
  采用这套数值方法研究了叶轮机械中三种典型的流体激振问题。
• The reconstruction project of turbomachinery gets significant social benefits and economical benefits according to the in - situ tests results
  根据转轮叶片切边后现场验证试验结果分析，水轮机的增容改造取得了明显的经济效益和社会效益。
• Based on the computational fluid dynamics and structural dynamics methods , a numerical analysis system for the blade flutter in turbomachinery was established
  在此基础上，结合叶片振动结构动力学分析，初步建立了相对完整的叶片颤振数值分析系统。
• The flutter is one of the main obstacles in the development of turbomachinery . because of the flutter of blade , lots of breakdown occurred in turbomachine
  叶片颤振是长期困扰现代航空叶轮机械顺利发展的主要障碍之一，由于叶片颤振造成的机器故障和损毁屡见不鲜。
• The causeal ( = causal ) connections between air pollution on the hand and damage to turbomachinery on the other ( hand ) entail very specific requirements for the filtration system
  其一是空气污染，其二是涡轮机的损坏，这两者之间的因果联系必然产生过滤系统的种种非常特殊的要求。
• The study on the design methodology of turbomachinery blade with low loss , high load and good performance under full condition is one of the frontiers in the field of turbomachinery development
  设计具有低损失，高负荷和良好全工况性能的叶片，进行叶片气动优化设计方法的研究，是关系叶轮机械发展的前沿课题。
• Unsteadiness is an essential attribute of the flow in turbomachinery . the related work has been one of the major problems in the research of turbomachinery aerodynamics , and has focused much attention of scholars for many years
  非定常性是叶轮机械内流动的本质属性，对叶轮机械非定常流动的研究是近年来叶轮机械气动热力学领域里的难点和热点之一。
• The numerical simulation computations of the three dimensional viscosity fluids are done to research the turbomachinery properties , which includes the determination of the computation equation , the finite mesh and the determination of boundary conditions
  进行了水轮机叶片切割前后转轮内部三维粘性流的数值模拟计算，其中包括方程的确立、方程的变换和离散、边界条件的确定。
• The propose of this project is to develop a three - dimensional , compressible navier - stokes solver for detailed study the flow inside transonic turbine and compressor ' s stator in the airplane turbomachinery
  摘要本研究的目的在发展一系列飞机滑轮引擎之静子叶片的计算流体力学方法与程式，计算程式方面包括三维叶片格点的建立与黏性流程式开发及撰写等，程式发展完成后将进行一系列外形及气流条件计算模拟。
• Ge energy has four joint ventures in china including shenyang ge liming gas turbine components co . , ltd , ge shenyang turbomachinery technology co . , ltd , ge - hpec - ntc energy services qinhuangdao co . , ltd . and ge hydro equipment asia co . , ltd
  Ge能源集团目前在中国拥有四个合资公司：沈阳通用电气黎明燃气轮机零部件有限责任公司沈阳通用电气透平机械技术有限公司ge -哈动力-南汽轮能源服务秦皇岛有限公司和通用电气亚洲水电设备有限公司。
• Presents the model proposed for analyzing the vibration characteristics of shrouded blades and their calculation method by employing a wave propagation theory and modal synthesis technology coupled with a finite element method from the view point it is possible not only to conduct frequency modulation of the shrouded blades of a gas turbine , but also to utilize the friction effects between them to dissipate energy , thereby attaining the aim of vibration alleviation , as shrouded blades have been widely used in the design of high - speed turbomachinery , such as modern gas turbines and steam turbines , and with the shrouded blades forming an integral whole in a centrifugal force field , the vibration characteristics of the whole ring of blades are different from those of a single isolated blade , and this makes it essential to take into account the integral effect of blade shrouds , concludes from the calculation examples and engineering application that the above approach is valid and correct along with the possibility of considerably reducing the scale of calculation and analysis , and points out it is necessary to take into consideration the coupled effect of the whole ring of blades while the dynamic characteristics of shrouded blades is being analysed
  带冠叶片不但能调频，还可以利用叶冠之间的摩擦效应来耗散能量，达到减振的目的.带冠叶片在离心力场中形成一整体，其整圈叶片振动特性不同于单个孤立叶片，需考虑叶冠的整体效应.利用带冠叶片系统的循环对称性，提出了采用波传播理论和模态综合技术，结合有限元方法研究燃气轮机带冠叶片振动特性的分析模型和计算方法.算例和工程应用证明了该方法是效性的、正确的，并可以大大降低计算分析规模.研究表明带冠叶片动力特性分析时必须考虑整圈叶片的耦合效应