two-fluid process 中文意思是什麼
two-fluid process
解釋
雙液法-
In chapter four, according to the analysis on the boundary theory and velocity field of main fluid zone of two - phase fluid pumps, the parameter equations of vane ' s modular curve of centrifugal pump are given, which contact the boundary " layer and eular theory of two - phase fluid pump by the fixing angel of vane as variable and leading into the velocity coefficient a. the results show that, in designing process of vane ' s modular curve of centrifugal pump, the determination of the total shape and parameters relates the flow properties of two - phase fluid and output ability of pump, or the design of the modular curve of centrifugal pump is the kernel of hydraulic design
第四章依據固液兩相流泵的邊界層理論及對主流區速度場的分析，給出了離心泵葉片型線的參數方程；它是以葉片安裝角為參變數，以引入的速度系數k _ v作為中間因子，將兩相流泵的邊界層理論和歐拉理論聯系起來? ?它說明了這樣一個事實，在離心泵葉片型線的設計過程中，它的整個形態或參數的確定都關繫到兩相流體的流動特性和泵的輸出能力，或者說，離心泵型線的設計是其水力設計的核心。 -
The theory of interface of two - phase fluid id used to analyze the role of the interfacial heat transfer resistance in cond ensation process, it shows that the interfacial heat transfer resistance can not be ignored under such a vacuum condition, and the effect on heat transfer process becomes declined with the increasing of vapor pressure
應用兩相界面理論分析了汽液界面熱阻在水平管內低壓蒸汽冷凝過程中所起的作用，發現實驗范圍內汽液界面熱阻不可忽略，且其對冷凝傳熱過程的影響隨蒸汽壓力的增大而減弱。 -
A transient, three - dimensional, non - isothermal and two - phase mathematical model based on computation fluid dynamics was developed to describe the dynamic process of pemfc
摘要為描述質子交換膜燃料電池的動態過程，發展了一個基於計算流體動力學的非穩態、非等溫的三維兩相流數學模型。 -
A novel model for residual fluid catalytic cracking process ( rfcc ) is proposed. it divides the whole reactor into two part : the riser as ideal pipe flow reactor and the sett - ler as ideal cstr. the model contains six lumps reaction kinetics with serial and parallel network
通過將實際裝置中發生裂化反應的提升管和沉降段反應器分別考慮為理想的活塞流反應器和連續攪拌式反應器，建立了簡化的渣油催化裂化反應6集總組分的串列和并行反應動力學網路模型。 -
Abstract : a continuity wave model is put forward for the dispersion processof liquid - liquid two - phase system, by coupling mass and momentum conservation equations of two - fluid model. the conditions that result in a dispersion choke and the weak instability of a dispersion process are derived from the model. the phenomena of catastrophic inversion and transitional inversion are explained. the effect of drop size distribution on the maximum volume concentration of a emulsion is predicted using the model. according to the theory herein, emulsion inversion is the regime transition of liquid - liquid system due to the instablity of a dispersion process. the effect of drop size distribution on the maximum volume concentration of a liquid - liquid emulsion only occurs in a certain range of weber numbers
文摘:以雙流體模型為基礎，通過質量守恆方程和動量守恆方程的耦合，提出了液-液兩相系中彌散傳質的連續波模型.由該模型得到彌散傳質過程阻塞和彌散傳質過程弱不穩定性產生的條件，計算了液滴尺寸及其分佈對乳化液極大堆砌分數的影響，解釋了劇變型乳化逆變和漸變型乳化逆變現象.研究結果表明，乳化逆變是由於彌散傳質過程的不穩定性而引起的懸浮體型態的改變，隨液滴尺寸多分散性的增大，極大堆砌分數增大；隨液滴平均尺寸的增大，多分散性對極大堆砌分數的影響減弱；當韋伯數足夠大時，液滴尺寸及其分佈對乳化液極大堆砌分數無影響 -
In chapter five, as one of the applications of boundary layer theory on two - phase fluid pump, the calculation process and example analysis in vane design are given and the stability and convergence of algorithms and programs and rules showed in calculation are required
第五章作為固液兩相流泵的邊界層理論的應用之一，本章給出了它在葉輪設計中應用的計算過程及實例分析。通過實例分析及數值計算，本章得出關于演算法和程序的穩定、收斂性結論以及速度系數在計算中所表現出的規律性。 -
Within the framework of two - phase flow theory, an analysis is carried out based on the momentum and continuity equations of fluid mechanics. corresponding to the physical process of the interaction of the solid and fluid phase, a perturbation analysis is systematically developed
還引用了兩相流理論中從低濃度兩相流中固相和液相的相互作用著眼，引入攝動分析的理論，並通過動量方程直接得出了懸移質泥沙濃度分佈規律的方法。 -
( 1 ) the cfd model for the pulse combustion spray drying process. the computational fluid dynamics ( cfd ) based on the two - phase flow theory was employed in this paper, which used the standard k - e model and the particle trajectory model to simulate the gas - particle flow in the drying chamber. the momentum, heat and mass transfer regarding both gaseous and particulate phases during the spray drying inside the drying chamber was also revealed
為解決這一難題，本文利用氣體一顆粒兩相流理論和計算流體力學（ cfd ）技術，建立了更符合實際噴霧乾燥過程的數學模型即噴霧乾燥的cfd模型，並進行了脈動燃燒噴霧乾燥過程模擬，其主要內容如下： （ 1 ）建立了脈動燃燒噴霧乾燥的cfd模型該數學模型建立在氣體一顆粒兩相流基礎之上，用標準k -模型預測乾燥室內的氣體湍流運動過程，顆粒軌道模型追蹤乾燥室內顆粒群的運動軌跡，熱質傳遞模型描述空氣和液滴的熱質傳遞過程。 -
Based on the two - fluid model, the attenuation process of blast waves in sprays is simulated by using the eulerian - lagrangian method
基於雙流體模型，利用euler - lagrange組合方法，對爆炸波在液霧中的衰減過程進行了數值模擬。 -
An implicit lu - sgs ( lower - symmetric gauss - seidel ) finite - volume method is used for solving the full, compressible, two - dimensional navier - stokes and species transport equations. for turbulence closure a two equation ( k - e ) model is used. the combustion process in chemical nonequilibrium is modeled by a 7 - species, 8 - reaction steps finite - rate chemistry and is implicitly coupled with the fluid motion
採用lu - sgs有限體積法求解了包括兩方程（ - ）湍流模型和7組元8方程有限速率化學反應模型的緊耦合二維n - s方程，數值模擬了氫燃料在燃燒室內的化學非平衡燃燒過程。
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