single-phase flow 中文意思是什麼
single-phase flow
解釋
單相流-
It is not possible to design for capsule pipeline flow with an accuracy comparable to that for single phase or even many multiphase systems.
不可能對包囊的管道流動做出與單相乃至許多相體系在精確度上。 -
Moving parameter model for single phase flow in heated pipes
單相受熱管的移動參數模型 -
Overtaking. besides, this thesis also presents fuzzy - based multi - phase intelligent signal control strategy according to the deficiencies of present traffic signal control system and the research of fuzzy traffic signal control, this signal control strategy focuses on the single junction signal control problem, though imitating the ways of traffic police managing the traffic, it has the ability of intelligent phase changing and controlling in the light of the real traffic flow, the simulation result shows : in two - and multi - phase conditions, the average vehicle delay is reduced by 15 % and by 27 % compared with the general fuzzy control method
此外，本文還根據目前交通信號控制方法的不足以及現有的運用模糊控制技術進行交通信號控制研究上的欠缺，提出了基於模糊控制的多相位智能擬人信號控制策略，該控制策略以單交叉口的信號控制為研究對象，通過模擬交通指揮者實際進行交通控制的特點，使控制系統能實時根據各相位車輛的多少進行信號的智能控制，模擬結果表明：與普通模糊交通信號控制方法相比，在兩相位與多相位的模式中可分別減小平均停車延誤平均15和27 。 -
Firstly, based on the present research all over the world, a 3d quasi - single phase model is built together with k - equations. the special feature of this model is taking account of the influence of interaction between liquid and gas, that is to say, the influence of interphase drag force, lifting force perpendicular to the relative velocity, virtual mass force and gas or liquid volume fraction in the fluid field have been considered. a 3d two - fluid model is also built in order to describe more accurately the fluid flow on distillation trays by comparing the computational results of quasi - single phase mathematical model with of two - fluid mathematical model
本文在國內外已有的研究基礎上，首先建立了以k - （封閉模型為基礎的三維擬單相流模型，該模型的特點在於充分考慮了氣液兩相間相互作用的影響，即計入了相間曳力、橫向升力、虛擬質量力和氣、液相含率對流場的影響；並建立了塔板三維雙流體模型，主要目的是通過對比擬單相流數學模型、雙流體數學模型的計算結果，建立能夠準確描述塔板上流體流動的數學模型。 -
The plate - tube evaporator, the single back - fin evaporator and the box condenser. after analyzing the physical model and setting up the mathematical model according to the two - phase flow of adiabatic capillary tubes, it also numerically simulates and analyzes the different effects of main parameters on the capillary tube length. based on the heat transfer analysis and counting of thermal insulation layer, the cad system accomplishes the parametric design and drawings of the refrigerator body
該系統完成了對典型製冷裝置的換熱器部件，如板管式蒸發器、單脊翅片管式蒸發器、箱壁式冷凝器的參數化設計和繪圖；分析了絕熱型毛細管兩相流的物理模型，並建立數學模型，對絕熱型毛細管各主要參數對其長度的影響進行了數值模擬和計算分析；基於對電冰箱箱體絕熱層厚度的傳熱分析和計算，完成了整個箱體的參數化設計和繪圖工作。 -
The device consists of a single - phase flow test device, which can make a real simulation of the downhole working conditions and the flow of the liquid in the subsurface pump, and a miscible - phase flow test device, which can simulate various oil - gas ratios
這種裝置由單相流試驗裝置和混相流試驗裝置構成，前者能比較真實地模擬井下的各種工況和抽油泵內液體的流動狀態，後者可模擬不同的油氣比。 -
Abstract : based on the establishment of physical model, this paper used a two - dimensional calculation model to numerically calculate and analyzed the heat transfer process of the two - phase flow within the conduit of single evaporator in cpl
文摘:在建立物理模型和分析管內流動狀態並列出基本流動方程的基礎上，採用一個二維計算模型進行數值計算，求得管內汽-液相的速度和壓力分佈。 -
In this dissertation, the experimental study of rolling condition on two - phase flow instabilities of the forced - single - tube circulation system was carried out. furthermore, based on the d - partition method and the hypothesis of drift flow model, given some conservative equation, using the perturbation method the response of the pressure drop of the tube to the inlet flow rate perturbation was analyzed both in rolling condition and in normal upright position
本文主要通過實驗對搖擺條件對單管強迫循環中汽液兩相流動不穩定性的影響，同時在d分區法的前提下，在兩相區基於漂移流模型，一定的守恆條件下，在搖擺和不搖擺工況中用線性小擾動法對實驗段的壓降對入口流速的擾動的響應進行了分析。 -
Based on the hydrodynamic, by using momentum theory to the liquid in the flow channel, the computational formula of the air exciting - vibration force is acquired. by using four - step runge - kutta method, the periodic response results of the elastic rotor system with one single - disc are gained. then the dynamic characteristics of the rotor system at the certain rotate speed and the certain physic parameter of system are analyzed by using the phase spaces and poincare maps of this system
基於流體動力學，通過對葉片流道內的流體模型應用動量定理，得到此汽流激振力模型，並採用四階龍格庫塔法，得出了單盤彈性轉子系統的周期響應規律，然後根據系統的相軌跡及poincare映射圖，分析了系統在特定轉速及特定的轉子系統參數下的運動特徵。 -
3 、 the single - phase laminar flow and heat transfer has been calculated by different discredited scheme in helical tube and the results are very in accord with the obtained experimental data
3 、採用不同的差分數值離散格式，對螺旋管內單相層流流動換熱進行了數值計算，深入了解螺旋管內單相流動及強化換熱機理，其計算結果和已有的實驗數據非常吻合。 -
The turbulent characteristics of high - velocity sediment - laden and aerated flow are more other than the clear water flow of single - phase and current of low speed. in a special circulating system with high velocity flow, some flow parameters such as boundary shear stress and pulsation pressure are measured. an investigation is made on the turbulent characteristics of the three - phase flow of water, air and sand
本文針對高速含沙摻氣水流的運動規律有別于低速水流及清水單相流，在自己研製的高速渾水循環系統中，通過對高速含沙摻氣水流壁面剪切應力和脈動壓強等參數的量測，分析了水沙氣三相流的紊動特性，探索了泥沙對固壁的磨蝕機理及減蝕措施，其主要內容包括以下幾個方面： 1 -
Sewage pipe flow is hypothesized as single - phase and uniform flow, and we are used to applying the chezy formulas for designing sewer systems
目前的污水管道設計是將污水在管道內的流動視為單相均勻流，主要用謝才（ chezy ）公式進行水力計算。 -
The type of heat transfer inside the pipes belongs to single - phase compulsive turbulent flow of inner pipe. inner trachea is a kind of special pipe compared by smooth pipe, which can strengthen heat transfer inside pipe
空預器煙氣側的換熱類型是管內單相強迫紊流換熱，論文在查閱了相關文獻的基礎上，比較了幾種不同的管內強化換熱措施，在其中選擇內螺紋管代替光管，來改造管式空氣預熱器。 -
Research on traits of flow and heat transfer of inner single - phase water in micro - channel
凹槽通道中脈動流動強化傳質的數值研究 -
This paper focuses on an integrated single phase, full - bridge voltage inverter that uses the standard dc power supply to output an adjustable frequencies signal to drive the micro - flow actuator
系統中的控制部分採用pic16f877單片機，根據spwm對稱規則采樣原理，實現了可調頻脈沖控制信號的輸出。 -
The experiment of single - phase flow through low permeability core shows that during fluid flow there exists start - up pressure gradient
摘要低滲透巖心單相滲流實驗表明，流體滲流時存在啟動壓力梯度。 -
It is very difficult to measure some process parameters during two - phase flowing, such as flow status, concentration, flux, particle size and so forth, because the flowing rules of gas - solid two - phase flow is more complex than that of single - phase flow, together with interphase effect between every phase
由於氣固兩相流動規律比單相流動的流動特性更復雜，且各相間的界面效應等原因，致使對兩相流動過程參數（如流態、濃度、流量和粒徑等）的檢測難度很大。 -
The simulation result indicates single - phase reversible rectifiers have some advantages, such as high power factor, controllable dc voltage on bus bar and bi - directional flow for power. this lays a good theoretical foundation for realization of prototype
模擬結果表明，單相可逆整流器具有功率因數高，直流母線電壓可控，功率可雙向流動的優點，為下一步樣機的實現打下了良好的理論基礎。
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