larger-valve(1)相关语句 larger-valve Th

larger-valve(1)
相关语句
larger-valve
The larger-valve micropump achieved lower output values (the maximum flow rate and backpressure being 3.0 ml/min and 9 KPa, respectively) and one optimal frequency (about 200 Hz).
大阀片压电泵的输出能力和最佳工作频率相对较低,只有一个最佳工作频率点(200Hz左右),输出流量和压力分别为3.0ml/min和9.5KPa。
短句来源
“大阀”译为未确定词的双语例句
The relation between the valve port error and hyper pressure in the system, which is derived from lots of simulations, indicates that improving the valve port machining precision of the proportional valve is favorable to avoid the hyper pressure and improve the system performance.
通过大量仿真研究获得了阀口误差与系统超压之间的关系,研究表明适当提高比例阀阀口的加工精度有利于消除超压现象和提高系统的性能,进而建议将某些比例阀阀口误差控制在最大阀位移的0．5％以内。
Secondly, the regulation method of fuel system is introduced. With the pump control mode and valve control mode, we compare their advantages and disadvant- ages in the three indexes of efficiency, dynamic response and cavitation characters. In the aspect of efficiency, the efficiency of valve control system is lower than pump control system because of throttling loss especially when apart from the design point.
其次,简述冲压发动机燃油系统的调节方式,并针对冲压发动机的泵控方式和阀控方式,在效率、动态响应、汽蚀性能等方面比较了这两种控制策略的优缺点,在效率方面,由于阀控系统的节流损失比较大,阀控系统的效率比泵控系统低,特别是在远离设计工况的时候,阀控系统的效率更低;
In addition, the comprehensive control method to provide quick dynamic response and slow step variation response by selecting dynamic split control of large valve characteristics and small valve characteristics is described. The method has obtained better dynamic and static characteristics.
给出了通过选择动态分程控制大阀与小阀特性 ,实现既提高响应速度 ,又降低系统阶跃变化的灵敏度的组合控制方法 ,该方法可以得到较好的动态与静态特性
相似匹配句对
Design of Large Steam Butterfly Valve for Steam Turbine
大口径蒸汽蝶阀的设计
短句来源
The coordinating of large flow valves and high pressure gel ampoules upon hydraulic supports
液压支架大流量阀及胶管的统一
短句来源
A Big Cheater
大骗子
短句来源
Big and Good Matter
大好事
短句来源
Membrane Valve
薄膜阀
短句来源
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After analysing the effect of valve ball diameter in sucker rod pumps on the flowability of the liquid, the on-off flexibility of the valve and the structural layout of the bonnet and seat, the authors point out that a valve ball with larger diameter is favourable for liquid flow and is accompanied by less flexibility of valve motion and trouble with bonnet design. The authors recommand to select the valve ball as large as possible with a prerequisite of allowable layout, suggest an empiric formula for sele...
作者在分析了抽油泵阀球直径尺寸对液体流动性、泵阀开启灵活性和阀罩及阀座结构布置的影响后,指出:采用较大直径的阀球,有利于液体的流动,但泵阀开启欠灵,也给阀罩结构设计带来困难,应该在结构允许的前提下,选用尽可能大的阀球。据此推荐了估算阀球直径的经验公式,给出了阀球直径系列,制造阀球的技术条件和专业生产厂采用的阀球直径数据。
Aimed at many special process conditions of petrochemical units such as flashing, cavitation and the process requirements, introduction is made on how to ensure process unit operating in a state of safety and steadiness for a long period through accurate calculation and selection proper control valve. The measures adopting lower vibration plug design against cavitation erosion and selecting proper X Fz to reduce noise caused by cavitation are discussed in detail together with the application effects of p...
针对石油化工装置许多特殊工况如闪蒸、汽蚀和工艺要求等介绍如何通过精确的计算和选型 ,选用恰当的调节阀 ,以确保工艺装置安全、长周期、稳定运行。详细讨论了采用低振动阀芯设计抗汽蚀和选用适当的XFZ降低汽蚀产生的噪声的方法 ,并结合抛物线阀芯和V型阀芯等具体类型讨论了这种方法的应用效果。介绍了通过选用阀门的尺寸 ,限制下游侧的流速 ,减少闪蒸和降低闪蒸影响的方法。给出了通过选择动态分程控制大阀与小阀特性 ,实现既提高响应速度 ,又降低系统阶跃变化的灵敏度的组合控制方法 ,该方法可以得到较好的动态与静态特性
A new type of pressure adjusting device of cementation, GJ-35, is designed, which is composed of body, light spring, piston in recycle chamber, piston linker, valve stem, steel ball, plunger in controlling chamber, heavy spring, pressure adjusting sleeve and handwheel. Working principle of the device is discussed, and hydraulic calculation and analysis of working property is presented. Field tests in Jianghan oilfield show that maximum safety pressure of the new device is 35MPa, maximum flow is 12 m3/min, a...
针对传统的固井调压装置开启量小、易刺漏、压力控制不准确、每次作业前需进行预调试验等缺点 ,研制了GJ— 35新型固井调压装置。装置主要由主体、小弹簧、回复腔活塞、活塞连动杆、大阀心、钢球、控制腔柱塞、大弹簧、调压筒和手轮等组成。在介绍装置工作原理后 ,进行了水力计算和工作特性分析。江汉油田现场使用表明 ,新型固井调压装置最高安全控制压力达 35MPa ,最高排量 12m3/min ,具有泄压及时 ,安全可靠 ,压力设置准确 ,误差小于1MPa ,无需试压 ,可重复使用等特点。