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水力混合（hydraulic mixing)（名词解释)
水力混合(hydraulic mixing)(名词解释)
提问人：网友zhangwei2018
发布时间：2022-01-06
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更多“水力混合（hydraulic mixing)（名词解释)”相关的问题
第1题
一般干线输气管都在阻力平方区The main pipelines are generally in the resistance square area
， 不满负荷时在混合摩擦区Under load in the mixed friction zone， 城市及居民区的配气管在水力光滑区。The air pipes of urban and residential areas are in the hydraulic smooth area.
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第2题
应选择夏季的T0作为水力计算的依据。Conclusion: summer T0 should be chosen as the basis of hydraulic calculation.
第3题
输气管水力计算的目的Purpose of hydraulic calculation of gas pipeline：研究输气管的流量与压力之间的关系。The relationship between the flow and pressure of the gas pipe was studied.
第5题
当凝析的液体积聚于管道低点，或出现水合物时，水力阻力将急剧增大。When the condensate accumulates at the low point of the pipeline, or hydrates appear, the hydraulic resistance will increase sharply.
第6题
如果气体中含有水汽，特别是有硫化氢存在，将引起管壁内腐蚀，使水力摩阻系数逐渐增大。On the contr
ary, if the gas contains water vapor, especially the presence of hydrogen sulfide, it will cause corrosion in the wall of the pipe, making the hydraulic friction coefficient gradually increase.
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第7题
输气管的输气能力和水力摩阻系数是随着时间而变化的，如果是不含硫化氢的干气，气中的固体颗粒对管
壁的磨光作用，使投产后的输气管的粗糙度和水力摩阻逐渐减小，输气能力增大。The gas transmission capacity and hydraulic friction coefficient of the delivery pipe change with time. If the dry gas does not contain hydrogen sulfide, the polishing effect of solid particles in the gas on the pipe wall will make the roughness and hydraulic friction of the delivery pipe gradually decrease and the gas transmission capacity increase after the production.
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第8题
威莫斯公式Weimers formula特点characteristics：（）
A、比实际输气量小10%左右It is about 10% smaller than the actual volume；
B、适用于阻力平方区Apply to the resistance square；
C、适用于管径较小，输气量不很大，净化较差的矿场集输或干线输气It is suitable for gathering and transporting gas in the mine with small pipe diameter, small gas transmission capacity and poor purification.
D、适用于水力光滑区Suitable for hydraulic smooth zone
第9题
当输气管的Re＞Re2时，为阻力平方区When Re＞Re2 of the gas pipe, is the resistance square area； 当输气管的Re1＜re＜re2时，为混合摩擦区when of the gas pipe, it is mixed friction zone； hydraulic smooth＞
第10题
进行热力计算的目的The purpose of thermodynamic calculation
A、计算物性参数——水力计算的需要。Calculation of physical parameters - requirements for hydraulic calculation.
B、根据沿线温降曲线，分析凝析水和水合物可能形成的段落——判断水合物生成区域的需要。According to the temperature drop curve along the line, the possible stages of condensate water and hydrate formation are analyzed -- the need of hydrate formation area is determined.
C、为管线热应力计算和绝缘层选材设计提供依据——管道强度计算的需要。It provides the basis for calculation of thermal stress of pipeline and material selection design of insulation layer.
D、以上都不对
