cfd simulation 中文意思是什麼
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At first, in the process of experiments, it were measured that dry plate pressures drop and point pressures in the flow fields around the single fixed - valve and double fixed - valves under different velocities by using of pitot tube. after that point pressure was transformed to point velocity, two dimensions flow plane of flow fields around fixed - valve were plotted to observe the difference between of the fixed - valve tray with fold edges and the common rectangular fixed - valve tray on the distributions of flow fields and pressures, to provide comparisons and refer - rence for cfd simulation
在實驗中，利用測速管等儀器對在不同速度下的單閥和雙閥固定閥周圍的流場進行了點壓力測量，然後把點壓力轉化為點速度后繪出固定閥周圍流場的二維流線圖，同時測定了塔板的干板壓降，來考察新型固定閥帶折邊后對流場分佈和壓降的影響，為隨后的數值模擬提供對比和依據。 -
2. the transonic flow field solutions of a ttcp standard waf - body combinations are computed using the software of cfd, the results are agreement with experiment dates, this verifies that the accuracy of the numerical simulation model is ensured
2 .應用cfd軟體對某ttcp標準卷弧翼-身組合體跨聲速下流場進行數值計算，將計算結果與文獻試驗結果進行對比，驗證本文數值計算模型。 -
3. the static aerodynamic characteristics of the projectile are computed using the software of cfd, the results of the numerical simulation are agreement with the engineering calculation, this verifies that the results of the static aerodynamic characteristics of waf from engineering calculation are satisfactory
3 .應用cfd軟體對彈靜態氣動特性進行數值計算，數值計算結果與工程估算結果吻合較好，說明卷弧翼的靜態氣動特性可以通過平板翼進行估算。 -
Since these theoretical analyses are based on inviscid potential flow theory, theoretical calculation and computational simulation may complement each other. the hydrodynamics and undulating propulsion of specimens were studied using three dimensional computational fluid dynamics ( cfd ) modeling. the cfd analysis using kinematic model of undulatory dorsal / median fin draws a series of conclusions, which include that the body drag increases significantly with the lateral body oscillation ; the body drag is minimum while the start point of
計算結果表明游動過程中的形體阻力隨側向周期性擺動而增大;當背鰭前端位於身體側向最寬處時，形體阻力具有局部最小值，結論與實驗觀測結果相吻合;在實驗觀測的典型運動參數下，波動面的運動方程中的非對稱因素的出現使推進力增大約1 . 10倍。 -
In this paper, according to the need of developing new style column, new style fixed - valve tray - rectangular fixed - valve tray with fold edges and common rectangular fixed - valve tray were studied from experiments and cfd simulation
本文針對開發塔設備新類型的需要，從實驗和cfd模擬兩方面對新型的固定閥塔板-帶折邊矩形固定閥塔板以及普通的矩形固定閥塔板進行了研究。 -
The values of some physical constants were determined from the cfd simulation. the condensation of moisture due to sun radiation was analyzed
另外，還討論了太陽輻射造成的水汽凝結現象，指出它與初始水汽濃度密切相關。 -
Calculation results fit experimental data well. at last, in order to further discover the matching between the two systems of small - scale cold storage, phoenics - cfd general software is applied in the study on 3 - d distributions of the airflow and temperature fields in the chamber of the small - scale cold storage. buoyancy model in the simulation are considered and the results are in agreement with the experimental data
最後，為了進一步了解小型冷庫兩個組成系統間的匹配特性，用phoenics數值計算專用軟體對冷庫內三維流場和溫度場分佈特性作了計算，並在計算中考慮浮升力的影響，計算結果與特徵點的實驗結果基本一致。 -
Computational fluid dynamics ( cfd ) techniques are used to study and understand fluid behavior in tunnels. by simulating complex specific operational cases, we can educe velocity or flux distribution in tunnel under different ventilation and resistance situation and determine the favorable operational procedures of the erlang mountain tunnel ventilation in a fire case. comparison has been made between a simulation and experiment for some cases in order to prove the cfd model is powerful, so that enables the study of cases for which experimental data is not available
採用本文將隧道內的氣流看成是理想流體的一維恆定流動，通過對二郎山特長公路隧道半橫向通風系統建立隧道內的空氣動力學模型，利用計算機進行數值分析與計算，得出發生火災時，不同通風阻力條件下隧道中的風速分佈及流量分佈，並通過實驗室隧道模型實驗進行驗證與修正，依據研究結果給出了二郎山半橫向通風隧道的火災控制方案，從而解決了二郎山公路隧道通風對火災的控制問題，同時為半橫向通風公路隧道的火災通風提供科學的方法。 -
A calculation example is used to get some figure. the effect of phase shift and attenuation in temperature fluctuation by thermal mass can be observed in these figures. the cfd simulation of the similar modeling is carried out, the result of the cfd simulation is similar to the calculation example
在前面工作的基礎上，本文作者還利用cfd軟體模擬了和前面模型中相似的情況，即只考慮室內蓄熱體的蓄熱作用，假設外圍護結構是絕熱的，得到的室內空氣溫度變化趨勢與算例所得到的是很相似的。 -
The transient cfd simulation including the spiral case, stay vane, guide vane, runner vane and draft tube at different operation points is studied fitly, then the result of the pressure distribution on runner blade is provided for the runner transient structural simulation by fluid - structure interaction ( fsi ) method
文中首先對高水頭小負荷的渦帶工況下混流式水輪機內流場進行非定常cfd計算，得到渦帶工況下葉片表面不同時刻的水壓力載荷，並利用流固耦合方法對轉輪進行結構場瞬態特性計算，分析轉輪葉片的動應力特性。 -
3d numerical simulation of indirect evaporative cooler by cfd method
對間接蒸發冷卻換熱器的三維數值模擬 -
The coupling between thermal mass and ventilation is regarded in this paper. the investigation methods in the paper are as follows : cfd simulation ; numerical simulation
在研究通風與蓄熱的耦合關系中，本文採用的研究方法有: cfd模擬方法和數值模擬方法。 -
In this paper, at first the cfd simulation including the spiral case, stay vane, guide vane, runner vane and draft tube at different operation points is studied, then the result of the pressure distribution on runner blade is provided for the runner structural simulation by fluid - structure interaction ( fsi ) method
本文首先對混流式水輪機全流道內流場進行了多工況的cfd計算，得到不同工況下轉輪葉片表面水壓力載荷，並利用順序流固耦合方法對轉輪在各種工況下的應力特性進行計算。 -
Cfd simulation of fluid flow and heat transfer in channels of plate - fin heat exchangers
板翅式換熱器翅片通道中流體流動與傳熱的計算流體力學模擬 -
Based on the cfd simulation, analyses and compares four air distribution modes using relevant evaluating indexes, and concludes that the top - supplying and opposite down - exhausting air distribution is an optimal mode for isolation wards
摘要採用cfd數值模擬的方法，利用相關評價指標對四種不同氣流分佈方式進行了比較分析，認為天花板頂送異側下排是較為理想的氣流分佈方式。 -
Summaries the research status, particularity and cfd method of the dynamic simulation, and points out that the cfd simulation of contaminant distribution in the crucial medical rooms should be reoriented from static method to dynamic method
對人體動態模擬的研究現狀和特殊性及其cfd模擬方法進行了介紹，提出對醫院關鍵科室內污染物擴散的模擬應逐漸從穩態模擬向動態模擬轉變。 -
With the rapid development of numerical technology and cfd simulation, the numerical technology for the forward problem of impeller machinery design had a good investigation and application, but the turbulence model need to be improved
由於計算流體力學和計算技術的迅速發展，利用數值技術進行流體機械正問題研究已經較為成熟，並有一定的研究與應用，但湍流模型尚待進一步完善。 -
In this paper, a cfd simulation model for steady flow in the honeycomb wall - flow ceramic monolith filter element of a diesel particulate trap is established and solved with discretization and segregated solver
摘要研究的柴油機微粒捕集器採用目前應用最為廣泛的壁流式蜂窩陶瓷作為過濾體，根據其結構對稱性和內部流動數學模型，建立了穩態層流的過濾體內部流動cfd模擬模型，並運用離散格式分離求解器進行求解。 -
Using cfd simulation ? analyzes the effects of differences of heat source distributing on the airflow organization of displacement ventilation ? accounts for the characteristics on removing the remaining heat when using displacement ventilation ? and at the different heat source distributing ? the similarities anddifferences of temperature fieldandvelocity field, points outthe merits of displacement ventilation on assuring the indoor air quality
利用cfd模擬技術，分析熱源分佈區域的不同對置換通風氣流組織的影響，說明置換通風方式在消除室內余熱方面的特點，以及在不同的熱源分佈下，工作區溫度場和速度場的異同，指出置換通風方式在確保室內空氣品質方面的優點。 -
To estimate the influence of the flatness ratio on hydrodynamic performance, a group of torque converters with different widths were investigated by cfd simulation to improve the power diversity and reduce the mass based on the variable - width circulatory circle torque converter design method
摘要在變寬度循環圓設計方法的基礎上，為提高液力傳動系統功率密度，減輕質量，對幾組不同寬度比循環圓的變矩器進行了cfd （計算流體動力學）數值模擬，藉以評估對其整體傳動性能的影響。
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