The accuracy of viscosity model based on pr state equation, empirical equation and chart method for predicting acidic gas viscosity is correlated.
根据酸性气体粘度的预测方法,对比了基于PR状态方程的粘度模型、经验公式和图版法在预测酸性气体粘度时的准确性。
The QCM consisted of two AT cut quartz crystals, of which one was working crystal, another one was used as a reference to account for the effects of pressure and gas viscosity on the crystals.
试验中,QCM由测定和参考两个AT切向的石英晶片组成,其中作为参考的石英晶片用来反映压力增加和气体粘度对石英晶片的影响。
Critically, they found that when the gas was heated a tiny fraction (only by millionths of a degree Kelvin), the oscillation slowed, signifying an increase in viscosity.
他们以一种非常精密的程度发现,当气体稍微被加热一点儿时(只有几百万分之一开尔文),振动会减慢,这说明黏性增大了。
Viscosity: viscosity is the crude oil in the flow caused by the internal frictional resistance, crude oil viscosity depends on temperature, pressure, dissolved gas and its chemical composition.
粘度:原油粘度是指原油在流动时所引起的内部摩擦阻力,原油粘度大小取决于温度、压力、溶解气量及其化学组成。
There are three sections of damping force, and they are background damping force of a fluid viscosity, electric damping force of applied electric field and pressure of gas.
压缩和复原阻尼力主要由三部分构成,即电流变液基础粘度引起的本底阻尼力,电场强度函数的电致阻尼力和气室气体引起的压力。
This kind of gas can and mineral oil, which can reduce the mutually dissolved oil viscosity.
这类气体能与矿物油互溶,从而降低油品的粘度。
Cinder cone volcanoes are formed when magmas with high gas contents and high viscosity are blown high into the air during an eruption.
火山渣锥火山是,当爆发时,高气体含量和高粘度的熔岩被喷发到空气中而形成的。
Divide by indirect measurement of pressure gauges, to measure the viscosity, easy to crystallization, corrosive, high temperature of the liquid, gas or granular solid media pressure.
隔膜压力表采用间接测量结构,适用于测量粘度大、易结晶、腐蚀性大、温度较高的液体、气体或颗粒状固体介质的压力。
And based on the relations of compressibility factor and viscosity of the gas versus pressure, the relations of these parameters versus dimensionless pressure are also built.
同时通过对气体压缩因子、黏度随压力、温度的变化,建立了这些参数和无因次压力的关系;
The results have shown that diameter, gas fraction and fluid viscosity have slight impact on flow rate of this boosting system, but have remarkable influence on pressure drop of this system.
研究结果表明,管径、含气率以及流体粘度对管泵系统的流量影响不大,而对压力降则有显著影响。
He found that the viscosity of a gas is independent of its density.
他发现气体的黏性不取决于它的密度。
Hot water, steam, or gas is injected into the producing formation to lower the viscosity of the oil and force it through the reservoir toward producing Wells.
向产层注入热水、热蒸汽或热气体,以降低油的粘度,并将油经储层压向生产井。
In this paper, the gaseous viscosity factor is simplified and deduced on basis of supposed gas, and then some supposal is cleaned and much more strict deductions are given.
在对气体作近似假设的基础上,对气体粘滞系数进行简化推导,而后再逐步撤除一些假设,并作出了较为严格的推导。
The results show that errors of the model are reasonable acceptable despite the variations of viscosity of liquid, and in a wide gas and liquid flow rate range.
实验数据表明:该计测模型可以适用于多相流中不同粘度的液相流量计量;可适用于较宽的气、液相流量变化范围,模型计测误差稳定在可接受的水平。
Calculation method of viscosity for pure gas, mixed gas and liquid at ambient pressure is discussed.
介绍常压下纯气体及混合气体,加压下纯气体及混合气体以及液体粘度的计算方法。
Calculation shows that the viscosity model based on pr state equation has big error, while LBC empirical relationship can provide more accurate viscosity of acidic gas.
通过计算比较发现,基于PR状态方程的粘度预测模型误差较大,而LBC经验关系能较准确地确定酸性气体的粘度。
The effects of liquid and gas velocity, liquid viscosity and surface tension on average pressure drop in three phase Fluidized beds were determined.
研究了气速、液速、液相粘度和表面张力对三相流化床平均压降的影响。
Conclusion: Ginseng and Strobal Injection combined with Sodium Nitroprusside could improve blood gas condition, lower blood viscosity, lower pulmonary artery pressure and improve heart function.
结论:参附注射液联合硝普钠,能改善血气状态,降低血液粘稠度,降低肺动脉压,改善心功能。
The effects of parameters such as the gas compressibility, the liquid viscosity, surface tension, density ratio , and velocity ratio, have been considered.
研究较全面分析了气体压缩性、液体粘性、表面张力效应、液气密度比以及滑移速度等重要因素对气体剪切流稳定性的影响。
Study on interfacial tension, composition, density, viscosity and saturation of gas pha - se and liquid phase front in the slim tube under various injection pressures and injection rate.
分别研究了不同注入压力和注入气量下,细管中注气混相驱前缘和过渡带中气液两相的界面张力、组成、密度、粘度及饱和度的变化情况。
The high temperature gas drive agent developed through study is good at foaming and viscosity reduction and is non-pollutive to oil reservoir.
研究表明,开发研制出的高温气体驱油剂具有较好的发泡和降粘作用,且对油层不产生任何污染。
Based on a viscosity amendment model of gas flow in micro-gap, squeezs gas film damping effect on micro plates is investigated.
基于微缝隙气流的粘度修正模型,分析了气体对微圆盘的压膜阻尼效应,得到微圆盘表面的压强分布、压膜阻尼力和压膜阻尼系数的解析解。
But the natural gas will be oil absorption, oil viscosity is reduced, so choose oil viscosity brand than general same model, the same pressure air compressor fuel the viscosity of the brand to higher.
但天然气会被油吸收,使油的粘度降低,因此选用油的粘度牌号一般要比相同型号,同等压力的空气压缩机所用油的粘度牌号要更高些。
The unified viscosity model based on corresponding states principle was used to predict viscosity of natural gas both in gas and liquid phase in the paper.
本文采用基于对应态原理的统一粘度模型对天然气气相和液相的粘度进行了预测。
And do the experiment for bacterium seed about capability of cut down viscosity by emulsification, gas production, acid material production and surfactant production.
并对初筛菌种进行了乳化降粘、产气、产酸、产表面活性剂等性能评价实验。
The invention has a wide application prospect in transportation of high-pressure extra-high pressure low-viscosity fluid and gas compression.
本发明在低黏度流体的高压、超高压输送和气体的压缩方面都具有广阔应用前景。
Well production component was applied to simulate and calculate the properties of black oil such as bubble-point pressure, gas-oil ratio, oil viscosity, volume factor, and so on.
利用井流物组成模拟计算黑油油藏流体的泡点压力、气油比、地层原油密度和体积系数等参数。
Well production component was applied to simulate and calculate the properties of black oil such as bubble-point pressure, gas-oil ratio, oil viscosity, volume factor, and so on.
利用井流物组成模拟计算黑油油藏流体的泡点压力、气油比、地层原油密度和体积系数等参数。
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