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- A new method of holdup measurement for water-oil two phase flow is introduced, i.e. ultrasonic diffusion. 摘要介紹了一種油水兩相流含率測量新方法?超聲散射法。
- Intermittent flow is a very important flow pattern in actual gas - liquid two phase flow in horizontal wellbore. 間歇流是實(shí)際水平井筒氣液兩相流動(dòng)中非常重要的一種流動(dòng)形態(tài)。
- The flow of chemical grout in the medium with double porosity is a two phase flow process. 化學(xué)漿液在巖土雙重孔隙介質(zhì)中的流動(dòng)是一個(gè)二相驅替過(guò)程。
- A stochastic model for two phase flow of miscible flooding is built by means of systematical analysis method. 應用系綜分析方法建立了兩相混相驅替的隨機模型,分析了突破時(shí)間與孔隙度和滲透率分布之間的關(guān)系。
- The computational fluid dynamics(CFD) method is used to simulate numerically the two phase flow of gas and liquid in a demister with corrugated baffle. 本文用流固兩相流模型對行星拋光過(guò)程中磨料流的運動(dòng)特征進(jìn)行數值模擬,得出磨料流運動(dòng)的動(dòng)態(tài)數值結果。
- Four sets of desulphurization atomizer were designed by using two phase flow theory for Lan-Zhou overhaul plant of electric-power. 進(jìn)行噴霧實(shí)驗、流量特性實(shí)驗，滿(mǎn)足了甲方合 同提出的技術(shù)要求。
- A kind of 4 probe impendence sensor which can measure flow rate and water cut of oil water two phase flow is introduced in the paper. 流量是根據流體中的流動(dòng)噪聲信號進(jìn)行相關(guān)運算來(lái)獲取的,含水率是通過(guò)油水混相中的阻抗特性來(lái)獲取,該傳感器采用四電極結構。
- This paper summarizes the concept of the two phase flow and effect of the two phase flow on the energy property of the propellent. 概述了兩相流的概念以及兩相流對推進(jìn)劑能量的貢獻和影響。
- A predigesting steady model of air-liquid two phase flow was built by improving on the traditional integrated hydraulic model. 通過(guò)對傳統的理論綜合水力學(xué)模型進(jìn)行改進(jìn),建立了求解管道內氣液兩相流動(dòng)的簡(jiǎn)化的穩態(tài)水力學(xué)模型。
- Based on the two phase flow principle, the pneumatic slagoff for boreholes in coal seams was theoretically researched and simulated. 摘要基于兩相流的有關(guān)原理對煤層鉆孔風(fēng)力排渣進(jìn)行了研究，結合現場(chǎng)情況，建立了煤層鉆孔風(fēng)力排渣實(shí)驗裝置，對風(fēng)力排渣進(jìn)行模擬實(shí)驗。
- It has important meaning for the saturate-unsaturated two phase flow study in raining in rock soil engineering and hydraulic engineering. 特別是在巖土工程和水利工程中研究降雨入滲下飽和非飽和水氣兩相滲流具有重要意義。
- Experiments show that ESM is a reliable technique in the measurement of gas liquid two phase flow, and the average error was about 5%, the best results ever reached was 3%. 在實(shí)驗范圍內 ,流量的平均測量誤差小于 5%25 ,最好的結果可以達到 3%25
- This topic mainly modified the program of two phase flow from CVH/FL,which described the surface physics phenomenon in pool of water.That part of procedures c... 介紹了分離CVH/FL程序中關(guān)于描述液相區表面物理現象的兩相流計算程序,并計算了液相與氣相之間質(zhì)量和能量的交換。
- The study achievements about the two phase flow characteristics of feedstock and catalyst in riser of FCC u-nit during the past decades are summarized in the paper. 總結了近年來(lái)催化裂化裝置對提升管內油劑兩相流動(dòng)特征的研究成果。說(shuō)明改善進(jìn)料噴嘴的霧化效果,可完善裂化反應,減少焦炭等副產(chǎn)品的產(chǎn)生。
- According to the features of mold filling, the velocity field of gas-liquid two phase flow was calculated in the fixed computational domain without mixed fluid. 針對液體充填型腔過(guò)程的特點(diǎn)，在固定計算域中數值模擬型腔充填過(guò)程中氣液不相混兩相流流場(chǎng)。
- This paper presents 3-D numerical simulation on two phase flows of water and air in bifurcated tunnel. 對分叉巷道中水氣兩相流動(dòng)進(jìn)行三維數值研究,是為了了解兩相流動(dòng)的特性,以達到對預防和抑制自然災害的目的。
- At last,the system will be completed.This topic mainly modified the program of two phase flow from CVH/FL,which described the surface physics phenomenon in pool of water.That part of procedures c... 介紹了分離CVH/FL程序中關(guān)于描述液相區表面物理現象的兩相流計算程序,并計算了液相與氣相之間質(zhì)量和能量的交換。
- This paper has studied the mass transfer at two phase flow fluid interface in turbulent flow and suggested a dimensionless mumber equation of two phase flow fluid interface mass transfer. 本文在詳細討論了湍流情況下兩相流體界面處各種力對傳質(zhì)的影響以后,提出一種改進(jìn)的兩相流體界面處在湍流情況下的傳質(zhì)準數方程,以期得到一種符合實(shí)際情況的傳質(zhì)數學(xué)模型。
- A new method was proposed for on-line voidage measurement of oil-gas two phase flow based on 12 electrode electrical capacitance tomography (ECT) and least squares support vector machine (LSSVM). 摘要基于12電極電容層析成像(ECT)和最小二乘支持向量機(LS-SVM)，提出了一種油氣兩相流空隙率在線(xiàn)測量的新方法。
- Oil-water two phase flow is frequently encountered in Petroleum industry.Facilities can run safely and economically only by knowing the flow characteristics of oil-water two phase flow. 油水兩相流廣泛存在于石油的開(kāi)采和運輸過(guò)程中,只有掌握油水兩相流的流動(dòng)特性,才能保證設備安全、經(jīng)濟地運行。
