English translation for "low specific-speed"
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- 低比速
Related Translations:
specific: adj.1.特殊的;特有的;特定的,专门的。2.明确的,具体的。3.【生物学】种的;【细菌】专性的。4.【医学】有特效的;由特种病菌[病毒]引起的,特异型的。5.【商业】按数量征税的。6.【物理学】比的。短语和例子I want a specific analysis of the problem. 我要一个对这问题的专门的分析。 This tells you that th
- Example Sentences:
| 1. | Super - low specific - speed centrifugal pump is a part of centrifugal pumps , which is widely used in aerospace and petrochemical industries 极低比转数离心泵( ns < 30 )是离心泵的一部分,其在宇航事业和石化工业等领域应用广泛。 | | 2. | According to the distribution of pressure and velocity on the 5 types of impeller , it analyses and discribes the feature of internal flow in super - low specific - speed pump impeller 通过对五种叶轮内流动的模拟比较,描述了极低比转数叶轮内流动的特点。 | | 3. | This thesis also describes the numerical simulation of three - dimensional turbulent flow in super - low specific - speed impeller , points out the turbulence model and numerical solution for it , and gives the writer ' s view of the grid - generation 论文的另一部分工作是数值模拟极低比转数泵叶轮内部流动,提出了适合的湍流模型和数值解法,并对网格的划分提出了自己的看法。 | | 4. | In present thesis , the actual design theories and methods for super - low specific - speed pump are introduced first , including " the increased flowrate design method " , " the method of anti - hump on h ~ q characteristic curve " , " non - overload design method " , " the design method of complex impeller " and so on . according to these methods , 5 types of impeller have been designed 论文首先对极低比转数离心泵的现行设计理论和设计方法作了介绍,包括加大流量设计法、减小或消除扬程曲线驼峰的途径、无过载设计及复合叶轮设计法等,并按照这些方法设计了五种叶轮。 | | 5. | First super - low specific - speed centrifugal pump has a long and narrow flow passage for its high head and low capacity , and the power absorbed by disc friction is too high , so the efficiency is very low ; secondly the diffusion of flow passage is so high , that the reserved flow often emerges at the inlet and outlet of impeller . therefore the h ~ q characteristic curve is often hump - shaped , and at the low - capacity operating condition the instability often occurs ; thirdly the centrifugal pump at high - capacity operating condition is easy to overload because the n ~ q curve appears a rising trend 首先由于它的扬程较高、流量较小,所以它的流道狭长,圆盘摩擦损失较大,效率相对较低;其次由于它的流道扩散较严重,易在叶片进口产生回流和在出口产生脱流,扬程流量特性曲线易出现驼峰,在小流量工况下易产生不稳定现象;第三,由于其功率流量曲线呈现上升趋势,在大流量区运行时电机易过载。 | | 6. | Comparing tow methods of efficency pre - estimation , it finds out the new method fit for super - low specific - speed pump . acoording to the study and comparison on efficency and reliability , the thesis points out merits and faults of the 5 types of impeller , and draws a conclusion that the complex impeller and partly blocked - flow - passage impeller are fit for the impellers of super - low specific - speed centrifugal pump 比较了泵效率预估的方法,提出了适合于极低比转数泵效率预估的新方法,并对其性能要求的效率和可靠性两方面进行了研究比较,指出了五种形式叶轮各自的优缺点,得到结论:复合叶轮和部分堵塞流道的一般叶轮适合作极低比转数泵叶轮。 |
- Similar Words:
- "low specific active material" English translation, "low specific activity material" English translation, "low specific activity materials" English translation, "low specific speed" English translation, "low specific speed pump" English translation, "low speed" English translation, "low speed adapter" English translation, "low speed adapter module" English translation, "low speed adjustment" English translation, "low speed air explosive bomb" English translation
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