查询词典 nozzles

With the other conditions remaining unchanged, the conical nozzles have the best half angle of divergence at about 12 5°,(ranging between 10° and 15°).

本文在Euler及Navier Stokes方程的基础上，利用三阶ENO差分格式计算了轴对称喷管的流动，得到了与实验较一致的结果。

The heat transfer coefficient in the different water press, water flux and compared with the actual heat transfer coefficient the error in 5%~9% are got in the tests, It is shown that the tests of the nozzle heat transfer character provides proof for rational disposal nozzles and optimizing secondary water cooling system.

通过对喷嘴传热性能的测试，得到了水／气－水喷嘴在不同喷水压力下的传热系数；实验得到的双喷嘴平均传热系数与生产过程数据计算的传热系数的误差在5%~9%以内，研究结果表明喷嘴传热性能的热态实验可以为合理布置喷嘴、优化二冷制度提供依据。

An optimal heat transfer criterion was proposed, which means that the optimal heat transfer appears when the region outside the impellent thin spray film inscribes in the square heated surface.Based on the H criterion aforementioned, two DANFOSS nozzles of the three with inclined spraying angles were used to experimentally study the temperature distribution in the heated surface.

应用不同DANFOSS喷嘴对水平热源进行垂直喷射，在变换喷嘴距热源表面高度的前提下，研究最优换热性能出现在何种情况，得出H准则：当喷雾形成的液膜的圆形外推区域正好与热源边缘相切时，系统换热性能达到最佳。

"We realized that there was something wrong with the air nozzles in the painting automatics, seeing that the quality was so uneven," we hear from Lasse Olofsson.

"看着涂层很不平整，我们意识到肯定是自动喷枪的喷嘴出了问题"我们听到 Lasse Olofsson 说。

Moreover, looking the nozzle as the important part of the PDC Bit , we deeply discuss the influence of the waterpower parameter and the location parameter influence the PDC Bit, we design the nozzles waterpower parameter.

同时将喷嘴作为PDC钻头水利系统的重要组成部分，深入地讨论了喷嘴的水力参数和位置参数对PDC钻头水力性能的影响，进行了喷嘴的水力参数设计。

Based on the axial symmetric N-S equation of compressible liquid, we establish the onflow model to simulate convergent nozzles' free jet with different internal parameters by using structural grid and finite volume of quadratic precision.

建立了会聚型喷嘴的湍流模型，根据可压缩流体轴对称N－S方程，采用结构网格和二阶精度的有限体积法，对不同内部形状参数的会聚型喷嘴自由射流进行了数值模拟。

Discussing and studying the piping feeding distance that is from outgate of decompression orifice plate of IG541 mixture gas piping extinguishing system to the farthest nozzles, gave the range of piping feeding distance that is common in use IG541 mixture gas fire extinguishing system s in engineering design.

依据《气体灭火系统设计规范》，对IG541混合气体有管网灭火系统减压孔板出口到最远喷头的管道输送距离进行探讨，提出工程设计中IG541混合气体灭火系统常用的管道输送距离范围。

At the top of the column, there are two water nozzles for washdown and quenching.

在管道的顶部，有两个用来清洗或灭火的水喷嘴。

Driving parameters required for driving different types of nozzles are separately stored in a built-in memory unit of the recording head and in an internal memory unit of the recording apparatus.

驱动不同类型的喷嘴所需的驱动参数被分离地存储在记录头的内置存储器单元和记录设备的内部存储器单元中。

In light of production practice, the author introduces some measures for reducing copper content of electric furnace slag to .8%: aplication of new type of concentrate nozzles, stabilization of flash furnace slurry, addition of coke powder to flash furnaces, control of the Fe/Si ratio of furnace slag, increasing the time for clarification of copper liquor, and addition of reductants, such as coal or pyrite.

结合生产实践，介绍了控制电炉渣含铜低于 0 。8%的几点措施：采用新型精矿喷嘴，稳定闪速炉炉浆；向闪速炉中添加焦粉；控制炉渣的铁硅比；增加铜液澄清时间；向电炉中加入还原剂煤块或黄铁矿等。

Breath, muscle contraction of the buttocks; arch body, as far as possible to hold his head, right leg straight towards the ceiling (peg-leg knee in order to avoid muscle tension).

呼气，收缩臀部肌肉；拱起身体，尽量抬起头来，右腿伸直朝向天花板（膝微屈，以避免肌肉紧张）。

The cost of moving grain food products was unchanged from May, but year over year are up 8%.

粮食产品的运输费用与5月份相比没有变化，但却比去年同期高8％。