查询词典 reciprocating engine

A quantity of especial interest in connection with reciprocating engines is the work done on the piston divided by displacement volume.

所以与往复式发动机有关地一个具有特殊意义地量就是作用于活塞上地功除以排量(V1-V2)。

Is a piston reciprocating pump as an example to illustrate the working principle.

现以活塞式为例来说明往复泵工作原理。

Continuously reciprocating piston movement, the water pump and water pressure on the continuous process of alternating.

活塞不断往复运动，泵的吸水与压水过程就连续不断地交替进行。

Mud is a common type or plunger-type piston, driven by the motive power of the crankshaft rotary pump, crankshaft driven through the crosshead and then the plunger in the pump cylinder piston or reciprocating motion to do.

常用的 泥浆泵是活塞式或柱塞式的﹐由动力机带动泵的曲轴回转﹐曲轴通过十字头再带动活塞或柱塞在泵缸中做往復运动。

This paper analyzed the relations between vibration and plunger wear of reciprocating pump , and studied the characteristics for the diagnosis of plunger wear.

分析了往复泵柱塞-缸套磨损振动诊断机理，研究了振动时域、频域特征。

For the applications in continuous flow delivering or more than one chamber delivering, it is desired to have a reciprocating scheme with more than two plungers.

若是使用在有连续性且多剂量的液体传输上，则必须设计包含两个以上柱塞之往复式柱塞帮浦。

NET and three dimensional CAD software SolidWorks2004, the special-purpose three plungers reciprocating pump CAD system collecting the design, the lectotype, the analysis and the plot as a body is developed in this paper.

NET和三维CAD软件SolidWorks2004开发出一套集设计、选型、分析及绘图为一体的专用三柱塞往复泵的CAD系统。

With the help of performance test of reciprocating pump, the design for the spring was validated. An experiment-bed was also built to test the poppet valve's lift displacement. The testing results prove that the simulation was in a correct way.

设计了往复泵泵阀试验台；通过对往复泵进行性能测试，对不同弹簧预紧力下阀门升程进行了测定，验证了仿真结果的合理性。

In order to optimize the spring of the reciprocating pump valve and establish the best spring factor matching, the unsteady opening-closing process of the poppet valve was simulated. The simulation based on computational fluid dynamics approach, and the dynamic-grid technology and User Defined Function was conducted to depict the law of motion of the poppet valve.

采用RNG k-ε湍流模型、动网格技术以及用户自定义程序，对往复泵泵阀的启闭过程进行了非定常数值仿真，得出了不同弹簧因素下、阀门从开启到关闭的过程中，阀芯的升程随时间的变化规律、阀的迟滞关闭时间以及阀芯落座的瞬时速度。

A new way of exchange between rotation and reciprocating motion through planetary driving was introduced, which was different from the one realized by piton pump moving with cam, brace and link.

采用行星齿轮传动方式实现从旋转到直线的往复运动，不同于现有柱塞泵由凸轮、曲柄连杆或斜盘实现往复运动的方式，没有滑靴等高压力作用下高速滑移的元件。

Foods high in this vitamin include oily fish such as salmon, tuna and, and fish liver oils.

维生素D含量高的食物包括诸如大麻哈鱼、金枪鱼和鲭鱼之类的油鱼以及鱼肝油。

We need you to cosign our public letter demanding that press intimidation cease immediately, and that all charges be dropped.

我们需要您cosign我们的公共信，要求记者立即停止恐吓，并要求所有收费下降。