The heat transfer and flow resistance performance of corrugated tube heat exchanger were examined by oil, water, and steam.
采用油、水、水蒸气对波纹管换热器的传热和流动阻力性能进行了试验研究。
In the article the process flow, reagents prescription for manufacture of water emulsion type waterproof coating by using spent polystyrene and test method of product performance were reviewed.
介绍了利用废聚苯乙烯泡沫塑料制备水乳型防水涂料的工艺流程、配方及其性能测试方法。
The water flow velocity in the suction pipe, which is crucial for evaluating the performance on pumping fish, can be measured by the pumped water flow rate of the riser in an air lift pump system.
气力提升泵的水输送量反映了提升管进口的流速情况，而进口流速是衡量吸鱼效果的重要因素。
Which types of hot water flow in system can be informed (from the flow of water for that), easy to predict performance, and may also be calculated in some time in the water heating.
由此种型式的热水系统的流量可得知(因来自水的流量可知)，容易预测性能，亦可推算于若干时间内的加热水量。
Based on the analysis of the performance of air cooler, the influences of the temperature and flow rate of chilled water on the cooling capacity are investigated.
通过对表冷器性能的分析，得出了冷水温度和流量等因素与供冷量的关系。
The 5% suspension always shows better cooling performance than water with lower wall temperatures and enhanced heat transfer coefficient within the whole range of mass flow rates.
质量浓度为5%的悬浮液在在整个质量流量范围内总是表现出比水好的冷却性能，它对应的是更低的壁面温度以及更好的传热系数。
Reducing the inlet temperature of cooling water and increasing its mass flow are favorable to increase refrigerant performance coefficient, and can decrease optimal pressure at high pressure side.
降低冷却水进口温度和提高其质量流量不仅有利于提高制冷性能系数，而且能降低最佳高压侧压力。
Even though the control device of the heating system works well, insufficient water flow rates can degrade control performance and thermal comfort.
即使供热系统的控制装置运行良好，水的流速不足也能够降低控制性能和热舒适性。
A planar model of air and water flow on metal fill surface was set up to investigate heat and mass transfer performance of air conditioner.
建立了填料塔的二维传热传质模型，考虑了因水蒸发或凝结而引起的水的质量变化和空气的质量变化。
The water pipe (4) of the smoke pipe (5) reduces the flowing section of the smoke channel, speeds up the smoke flow, improving the heat transmission performance and efficiency.
烟管（5）中的水管（4）减小了烟道流动截面积、加大了烟气流速，使得烟气传热性能增强、热效率高。
However since VWV system is multivariable, strongly coupled, nonlinear and time variant, its design performance and management are more difficult than constant flow chilled water volume system's.
但是变水量空调系统具有多变量、强耦合、非线性、时变的特点，其运行和管理相对于定水量系统难度大些。
After water is carried in gas Wells, status of fluid flow and medium distribution become more complicated, its production performance detection will be more difficult.
气井出现载水现象后，井筒中流体的流动状态和介质分布将变得复杂，其生产动态监测更为困难。
The seal water flow must be considered while performance calculating. This flow is very important for test result.
其中主流量的准确测量是性能试验的关键，而作为主流量旁路的给水泵密封水流量也具有不可忽视的地位。
When the blade installation Angle changes, the leaves of water lift is changed, thus changing the water pump job performance, this is the axial flow pump of the variable Angle adjustment.
当叶片安装角度改变后，叶片对水的升力也就改变了，从而改变了水泵的工作性能，这就是轴流泵的变角调节。
This paper simulates the effect of crosswind on the thermal performance of wet cooling tower and puts forward a feasibility advice of fixing back flow canal around the tower to reduce the water loss.
模拟了横向风对冷却塔热力特性和飘水损失的影响；提出了沿塔周设置回流槽的措施，以减少飘水损失。
Because of these low-lying areas water lift is not high but the irrigation or drainage water a considerable loser should adopt a "low-head large flow" performance characteristics of axial flow pump.
这些地区由于地势低洼，提水扬程不高，但农田灌溉或排涝的输水量相称大，应该采用“低扬程、大流量”性能特点的轴流泵。
Thee musical dynamic is erected by playing rapid note figures. To present slow or urgent water flow the performance has long or short sentences and breathing.
乐曲的吹奏使用大量的快速音型来营造出乐曲的流动性，同时运用或长或短的气息及呼吸来表达泉水时快时缓的动态；
Thee musical dynamic is erected by playing rapid note figures. To present slow or urgent water flow the performance has long or short sentences and breathing.
乐曲的吹奏使用大量的快速音型来营造出乐曲的流动性，同时运用或长或短的气息及呼吸来表达泉水时快时缓的动态；
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