drift flow model 中文意思是什麼
drift flow model
解釋
漂移憐模型-
This theoretic model employs the basic idea of correlation measurement, achieve the density wave speed by the correlation of the signals of upper and lower sensors, and get the total flow rate and water cut through the theoretic relationship of density wave speed and total flow rate as well as holdup with the help of drift flux model so as to accomplish the oil / water two - phase flow measurement at last, using the limited available experiment data, the theoretic model has been simplified into an applicable linear alternative which is suitable to homogeneous oil / water two - phase flow measurement to accomplish the oil / water two - phase flow measurement using the density wave phenomena is of highly theoretically valuable for density wave theory research as well as oilavater two - phase flow measurement research. to develop new type oil / water two - phase flow instrumentation based on this theoretic measurement method will be very applicable and promising
在此基礎上，針對穩態密度波理論提出了基於密度波理論的油水兩相流測量理論模型，該模型以密度波傳播理論作為基礎，通過上下游傳感器信號相關獲得密度波傳播速度，利用密度波傳播速度與總流量以及持相率的理論關系結合漂移模型來求解總流量和含相率，實現油水兩相流的測量，在理論分析的基礎上，在實驗資料有限的條件下，對基於密度波理論的油水兩相流測量理論模型作了極限的簡化，提出了本文油水兩相流測量理論方法應用在測量均勻油水兩相流中的實用線性模型。 -
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。 -
Drift flow model
漂移憐模型 -
A detailed analysis on the characteristics of the solution of the void fraction matched model for the slug - to - annular flow pattern transition at microgravity condition, which is based upon the drift - flux raletionship of slug flow and the momentum balance relationship of smooth annular flow, is presented
摘要對基於微重力條件下，氣液兩相彈狀流滑移流率關系和光滑環狀流動量平衡關系的彈環狀流轉換空隙率匹配模型的解的特徵，進行了深入分析。 -
But the influence trend of the maximum rolling angle and the rolling period was not so simple, it was because the influence of which embodied in the phase relationship of mass flow and the pressure drop across the tube. the d - partition method was developed to separate the test tube into four regions and the drift flow model was imported into the two phase region, based on which the solution of the response of the pressure drop of tested tube to the inlet mass flow perturbation can be obtained
在不搖擺和搖擺工況下，採用d分區法對實驗段進行分區，在兩相區採用漂移流模型對實驗段的壓降對入口流速擾動的響應進行了求解，給出了各區壓降響應的表達式，進而得到了在不搖擺和搖擺工況下，壓降與入口流速擾動之間的傳遞函數。 -
During the present research of the flow characteristics of refrigerant in adiabatic capillary tubes, a drift flux model of two - phase flow was established and the influence of metastable phenomenon was considered. the flow characteristics of refrigerant were analyzed with the program developed in this research. an experimental system for the adiabatic capillary tubes testing was set up. the results show that the theoretical model fits the experimental data well
在對絕熱毛細管內製冷劑的流動特性進行研究的過程中，運用兩相流漂移模型，並考慮製冷劑在實際流動中存在的亞穩態，開發了絕熱毛細管內製冷劑兩相流的數值計算程序，對毛細管內製冷劑的流動特性進行了分析;搭建了毛細管兩相流實驗裝置，並將計算結果與實驗數據進行比較，結果吻合的較好。 -
The influence of uneven flow between the gas and liquid was calculated by the drift flux model
採用漂移流模型來模擬計算氣液混合物內相間非均勻流動的影響。
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