临界转速是离心压缩机转子系统的主要动力参数之一。
Critical speed is one of the important dynamic parameters of the rotor system in centrifugal compressor.
离心压缩机性能的预测在其研究和应用领域有着十分重要的作用。
The performance predictions of centrifugal compressors take a very important part in the field of turbomachinery research and application.
针对DH型离心压缩机试车中的振动问题，提出了分析处理方案。
Against the vibration problem arising from DH centrifugal compressor test running, analysis and treatment method is put forward.
给出了离心压缩机叶轮粘性尾迹速度亏缺值及尾迹宽度的计算方法。
The calculating method of viscous end speed defective value & end width for centrifugal compressor impeller is given.
给出了离心压缩机气动参数和结构参数与声功率级之间的内在关系。
The intrinsic relation between the pneumatic parameter, structural parameter and acoustic power level for centrifugal compressor is given.
对一离心压缩机小流量级扩压器内部的三维粘性流场进行了数值研究。
Numerical research of the three dimensional viscous flow field in diffuser with small flow rate stage of centrifugal compressor is carried out.
介绍了建立优化调度所需的燃气轮机、离心压缩机和输气管线模型的方法。
The method is introduced to develop mathematical model of gas turbine, centrifugal compressor and gas transmission pipeline needed for load assignment optimization.
该系统在高转速离心压缩机中的应用表明，磨损泄漏均微小，运行稳定可靠。
Application of this system in high speed centrifugal compressor shows that the wear and leakage are very little. The operation is stable and reliable.
结果表明，利用以上方案进行离心压缩机状态维修技术研究是直观而有效的。
It is shown by the results that the condition based maintenance technology is feasible as well as effective.
叙述了氧化氮离心压缩机增速机小齿轮轴扭断的状况，分析了产生事故的原因。
The situation for pinion shaft broken of increasing gear for nitrogen oxide centrifugal compressor is described. The trouble reason is analyzed.
DH型离心压缩机在工作中较常出现不平衡、齿轮啮合故障和轴承故障等问题。
DH type abaxial compressor often could not work well because of the troubles such like losing balance, failure of gear joggle and bearing during working.
介绍了南京炼油厂变频调速技术用于焦化富气离心压缩机高压电动机系统的情况。
The application of frequency governing technique in high voltage motor system of centrifugal compres sor for coker rich oil gas was introduced.
以离心压缩机扩压器叶栅为例，在两个给定设计工况下采用所提出的方法求解其最佳叶片型线。
A diffuser cascade of a centrifugal compressor was chosen to be designed with the proposed approach, with its two operating points specified, and its blade profile to be optimized.
另外19XL离心压缩机有侦测冷水和冷却水流量的流量探头，要注意将探头与流量计连接。
In addition 19xl centrifugal compressor has the detection of cold water and cooling water flow of the flow probe, to pay attention to the probe and the flow meter connection.
离心压缩机中，叶片扩压器对提高压缩机整机性能、拓宽有效运行范围发挥着举足轻重的作用。
Vaned diffuser plays an important role in centrifugal compressor as it can improve the performance of compressor and broaden the operating range.
对于输气干线的自动化设计和管理来说，用准确的数学模型描述离心压缩机的特性曲线至关重要。
It is very important to describe the performance curves of centrifugal compressor by mathematical model accurately for the automatization design and management of gas transmission trunk line.
用一元的方法对一离心压缩机的级进行了设计，并用CFD软件对设计结果作了三维流场数值模拟。
A centrifugal compressor stage is designed with 1d method. The 3d flow field of the stage is simulated utilizing CFD software.
举例对大支撑跨距离心压缩机的转子轴系进行稳定性分析，并提出对转子轴系进行优化的设计方案。
Furthermore, the stability of rotor shaft system in centrifugal compressor with largely supported span is analyzed in example and the optimized design scheme for rotor shaft system is pointed out.
采用离心压缩机压缩氨或合成气(常含大量氨)时，系统必须保持干燥，尽可能减少油与输送气接触。
Centrifugal compressor compression ammonia or syngas (often contains large amounts of ammonia), the system must be kept dry, as to reduce oil and transport gas contact.
针对DH型离心压缩机试车中的振动问题，提出了分析处理方案。得出了几点有指导意义的结论与建议。
Against the vibration problem arising from DH centrifugal compressor test running, analysis and treatment method is put forward. A few of significant conclusions and recommendations are obtained.
叙述了离心压缩机浮环密封的结构、原理、浮环密封失效的原因和危害，以及防止密封失效应采取的措施。
Structure and principle, failure reason and harm of compressor floating ring seal, and measures which prevented the seal from failing are introduced.
SSL描述了喘振点的轨迹。在目前的实践工作中，一般假定认为它不随离心压缩机的入口条件变化而改变。
SSL is the description of the surge points locus and, in the current practice, it's assumed to be invariant with centrifugal compressor inlet conditions.
离心压缩机中的静止元件如扩压器、蜗壳等，对提高压缩机整机性能、拓宽有效运行范围发挥着举足轻重的作用。
Static components such as diffusers and volutes play an important role in the centrifugal compressor because they can improve the performance of the compressor and broaden the operating range.
摘要：介绍了我国大支撑跨距离心压缩机在现实工作中的应用。对大支撑跨距离心压缩机的设计技术难点进行分析。
Abstract: This paper has analyzed the design and technical difficulties of centrifugal compressor with largely supported span and its application in realistic job.
作为一种应用广泛的离心压缩机，DH型离心压缩机的国产化无论在理论设计还是工程实践应用方面都存在着大量的问题。
DH centrifugal compressor is a wide-applied centrifugal compressor type, while domestic DH centrifugal compressor has come to lots of difficulty in design aspect as well as application aspect.
最后，对高速离心压缩机发展趋势做出了展望，提出无油密封将逐渐取代湿式密封，真正达到密封装置的介质的“零泄漏”。
A developing trend for the high-speed centrifugal compressor is predicted. The non-oil seal will gradually take the place of the wet seal and it will obtain zero leakage of the seal unit.
最后，对高速离心压缩机发展趋势做出了展望，提出无油密封将逐渐取代湿式密封，真正达到密封装置的介质的“零泄漏”。
A developing trend for the high-speed centrifugal compressor is predicted. The non-oil seal will gradually take the place of the wet seal and it will obtain zero leakage of the seal unit.
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