flow resistance

Thermal boundary layer effect and flow resistance properties are analysed by changing the block ratio and speed tube.

通过改变阻塞比和车速分析管内热边界层效应和流动阻力特性。

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Experimental study on the coolant flow resistance of control rod channel in research reactor

研究堆控制棒通道冷却剂流动阻力特性实验研究

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The ash deposits cause lowering of heat transfer capacity and rise in flow resistance, resulting in reduction of output and boiler efficiency.

积灰不仅使锅炉热效率下降，而且堵塞烟气流道，影响了锅炉的正常运行。

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Experimental Study on the Heat Transfer and Flow Resistance of the Stacked Corrugated Fin Air Cooler

波纹型叠片式空气冷却器传热与空气流动阻力性能的试验研究

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Study of the Relationship between Breech Presentation and the Increasing of Fetal Umbilical Artery Blood Flow Resistance

胎儿脐血流阻力增加与臀位的关系探讨

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Reasonable design, big flow zone , smoothbore, no heap of dirty, small flow resistance.

设计合理, 流通面积大, 通径平滑过渡,无脏物堆积现象, 流通阻力小.

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The powders of reclaimed rubber from used tubber types are added into the asphalt as a modifier by means of certain procedures, resulting in obvious improvement in viscosity, temperature sensibility, resistance to flow and low-temperature pliability of the asphalt.

按照一定的工艺方法，将废旧轮胎橡胶粉作为沥青的改性剂，加入沥青中，能使沥青的粘性、温度敏感性、耐流动性以及低温柔韧性获得明显改善。

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In order to reduce the flow resistance, quick exhaust valve should be installed near the cylinder.

为了减小流阻, 快速排气阀应靠近气缸安装.

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It's characteristic of small flow resistance, good performance in sealing, and long service life etc.

具有流通阻力小, 密封性能好, 使用寿命长,的特点.

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Resistance Characteristics of Coal-water Paste in a Pipe at the Laminar Flow and Transition Zones

水煤膏管内层流和过渡区的阻力特性

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Analysis on the flow resistance characteristics of direct air cooled condenser at the air side

空气侧直接空冷凝汽器流动阻力特性分析

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The flow resistance is the basic problem in pipeline hydraulic transport of solid particles.

管道阻力特性研究是管道水力输送固体物料最基本的问题.

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For the gaseous flow in the slip regime, an evident lower flow resistance is observed due to the gas rarefaction effect which causes the mass flow rate increase compared with the continuum flow.

而对于滑移区的气体流动，气体稀薄性使流动阻力明显减小而导致流量增加。

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Meanwhile, cross-jet gas delivery tube aliform section is beneficial to reducing air flow resistance and obtaining better mixing quality.

按交叉射流设计的翼型引流管在降低空气流动阻力的同时也可取得良好的混合效果。

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Active water or light oil is sent downhole through hollow rod to reduce oil flow resistance, thus producing heavy oil from deep formation through screw pump.

利用空心杆向井筒内掺入活性水或稀油，降低油流阻力，实现应用螺杆泵开采深层稠油。

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The experiments show that microbe solution flooding can decrease the threshold pressure gradient, lessen the flow resistance, and extend the effective drainage distance.

与水驱相比，微生物驱油可降低启动压力梯度，降低渗流阻力，扩大有效驱动距离。

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Because of heavy oil flow resistance, most of them are by the way of heat visbreaking reduction to extract, thermal recovery by steam injection are the mainly method.

由于稠油流动阻力大，大多采用热力降粘的方式开采，主要是用注蒸汽热采的方法。

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The absorption cigarette filter tip has good filter effect, simple structure, long service life, unchanged cigarette flavor, and little flow resistance of smoke gas.

本阻尼式香烟过滤嘴过滤效果好，不改变烟味，烟气流通阻力小，结构简单，使用寿命长。

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The Research on Flow Resistance of Transportation in Pipeline by a Model Test Stand

利用模型试验台研究管道输送阻力特性

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The study shows that the film resistance temperature probe features high frequency response, fine linearity, high sensitivity and ease to use, so it has a bright prospect in application to unsteady flow measurements.

实践表明，薄膜热电阻温度探针以其高频响、良好的线性度、高灵敏度和简单实用，在非定常流温度测量中有良好的应用前景。

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A platinum-film resistance temperature probe for unsteady flow measurements

非定常流测量用薄膜热电阻温度探针的性能研究

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All will have on the blood flow resistance, while the study found that blood circulation in the main resistance comes from a small artery, arteriole.

所有的血管对血液流动都会产生阻力，而研究发现，血液循环中阻力最主要来源于小动脉、微动脉。

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When the IPF increases, the flow resistance of the ice slurry became larger.

随着IPF的增大，二元冰的摩擦阻力变大。

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Section viscosity resistance is in proportion to the length of the section, flow grads along stream direction and section viscosity factor.

沿程黏性阻力与车道长度、流量沿车流方向的变化率和沿程黏性阻力系数成正比；

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One of the major measures to suppress flow instability in a boiling tube consists in increasing the flow resistance at the boiling tube inlet section.

增加沸腾管入口段流动阻力是抑制沸腾管内流动不稳定性的主要措施之一。

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The predicted results show that the slip velocity near walls made the flow resistance in this microchannel decreases with increasing Kn.

计算结果表明：壁面的速度滑移使流动阻力随Kn数的增加而减小。计算结果表明：微环缝槽道内的摩阻系数随Kn数的增加而减小；

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It is found that heat transfer coefficient increases with fin height, while flow resistance varies as concave curve, that is to say, the resistance reaches the lowest value at a middle fin height.

结果表明，随着流道内翅片高度的增大，传热膜系数随之增大，但流阻曲线则呈凹型变化，即在中间高度时流阻达到一最小值。

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The truss structure featured by small flow resistance , strong toughness and less pressure loss.

具有流阻小, 刚性好,压力损失小的桁架式结构.

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These methods are all helpful for the analyses of flow resistance and surface heat transfer.

这些方法均有助于流动阻力和表面换热特性的分析.

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The water lock is formed, which increases the fluid flow resistance.

产生水锁效应, 增加油流阻力.

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