field velocity 中文意思是什麼

field velocity 解釋
實際速度
  • field : n 菲爾德〈姓氏〉。n 1 原野，曠野；（海、空、冰雪等的）茫茫一片。2 田地，牧場；割草場；〈pl 〉〈集...
  • velocity : n. 1. 迅速；快速。2. 速度，速率。3. 周轉率。
  1. In this paper a kind of cardio - cerebral arterial bifurcation vessel hemodynamic characteristics are studied with the boundary element method, and the blood flowing velocity vector distributions have been calculated. in addition, the flow field distribution and the pressure on the particle surface are also calculated, when there is flow - round particle at the place of bifurcation, the move tendency of the particle is judged, the possible reasons of causing the atherosclerosis, thrombus, angioma are analysed

    本文用邊界元方法研究了一類典型心腦動脈分支血管中血液流動的流體動力特性，計算了分支血管血液流動的速度矢量分佈，同時計算了分支附近有多個顆粒狀繞流物時血液的流場分佈，及顆粒物所受壓力狀況，給出了顆粒物的運動趨勢，分析了引起粥樣斑塊病變、血瘤、血栓的可能原因
  2. Based on an integrated correlation and study of regional and deep geophysical data such as 12 magnetotelluric sounding profiles, 5 seismic profiles, tomographic imaging velocity structural data and gravity and magnetic field, the authors have formulated the 3d deep tectonic framework of the middle and lower yangtze valley and its neighborring areas in relation to the distribution of auriferous skarn deposits and copper ( associated with gold ) skarn deposits

    作者藉助12條大地電磁測深剖面、 5條地震剖面、層析成像速度結構資料、重磁場等區域的和深部的地球物理資料進行綜合對比研究，給出長江中下游及其鄰區的三維深部構造格架及其與含金夕卡巖礦床和銅伴生金夕卡巖礦床的分佈關系。
  3. The velocity field has been designed in this article on defect of rolling workpiece surface about cross wedge rolling technique in the process of forming axial symmetry spare parts by result of simulated experiment of consult document [ 4 ]

    摘要依據文獻[ 4 ]的模擬實驗結果，擬定了楔橫軋工藝成形階梯軸類件時軋件表面出現表面缺陷（蛇皮狀或魚鱗狀缺陷）時的金屬流動速度場。
  4. So it is initiative and instructive for the future application of the temporal interferometry on the analysis of the vibration. in the study of the dynamic mechanical behavior of the ballistite material, the material ' s creep curves and the creep velocity curves are successfully obtained using tspm, and whole field displacement distributions

    將時間序列散斑干涉計量方法引入材料蠕變特性的研究在國際上尚屬首次，該研究對于將來材料力學性能的研究又提供了一有力的分析工具，並為以後該領域的研究提供了有力的理論和實驗依據。
  5. In this paper, using phoenics software to compute and analyze the variety rule of the convecting transfer heat at the basis of computing and analyzing the temperature and velocity field of one underfloor supply air room with a focus hot source, and concluding that the number of the hot source and the supply air outlet > the intensity of the hot source and the volume of supply air will influence convecting transfer heat, and obtained its correlativity formula

    本文針對一下部有集中熱源的地板送風空調小室，利用phoenics軟體，在計算分析小室內氣流的速度場及溫度場的基礎上，對對流熱轉移量的變化規律做了計算分析，最後得出對于下送風小室的對流熱轉移量與熱源的個數、送風口個數、熱源強度、送風量等因素有關，並且得出了其相關關系式。
  6. Firstly, simulate flow field of rear smoke channel, plot velocity magnitude and ash concentration distribution in section of entry of heat pipe air preheater, compare with data which were measured in guiyang power station, verify simulation to be reasonable and right. secondly, simulate all kinds of factors which affect flow field ' s uniformity such as length, thickness, location of diffluent board, ash concentration, ash diameter, and so on, find the chiefly factors. thirdly, install guide board in curve channel in rear smoke channel, then simulate its " flow field, plot velocity magnitude and ash concentration distribution

    在此基礎上模擬在冬夏兩季不同情況下，不同流速對熱管空氣預熱器壁面溫度的影響；然後對影響整個流場分佈的各種因素：包括分流板長度、厚度、偏離中心流道位置的偏離度、飛灰濃度、飛灰粒徑等因素進行數值模擬；最後提出在分流煙道轉彎處加裝導流板，並模擬加裝導流板后的流場分佈，得到下級空氣預熱器出口、熱管空氣預熱器進口處的斷面速度場分佈、濃度場分佈，以論證加裝導流板能達到流場均勻化的作用。
  7. As we know, inverse techniques make blade ' s profile well compatible with its surface velocity distribution, however, they give designers big challenges that the ideal velocity distribution is hard to obtained and sometimes the non - physical solution, such as double covering of flow field or unclosed profiles, would come out. the proposed design procedure in the paper has avoided the disadvantage mentioned above. in this paper, a quasi - irrotational equation is used to describe the flow in cascade instead of the generally used irrotational equation

    眾所周知，一般的反問題和混合問題的最大特點，是在給定的壓力面和吸力面上的壓力分佈或速度分佈條件下，直接得到葉片的幾何形狀，它可以使葉型型面與表面氣流參數有機結起來；其不足之處在於，對設計者而言，很難給定理想的葉片表面壓力分佈或速度分佈，並且有時會得到一個非物理解，如：得出的初始葉型可能會出現前緣、尾緣不封閉的現象。
  8. A one - dimensional oceanic mixed layer model with the m - y level - 2. 5 turbulence closure schemes is employed. the rate of energy loss by breaking waves is estimated by parameterization and incorporated into the model as a source of turbulence kinetic energy ( tke ) by modifying the existing surface boundary condition of tke equation. the velocity field and turbulence energy budget are calculated under different forcing conditions ( the results given below are for a wind speed of 20 m / s. )

    採用一維2 . 5階湍封閉混合層模式，根據參數化方法對波浪破碎導致的能量耗散率進行了估計，通過改變湍動能方程的上邊界條件引入波浪破碎對湍動能生成的影響，計算了不同風應力強迫下的混合層流場結構和湍能量收支（下述給出的結果是取風速為20m s得到的） 。
  9. The major work is as follows : solution of two dimensional radiation or diffraction fluid field. this thesis extends multipole expansion method to adapt to disturbed fluid fields of 2d floating bodies with asymmetric forms, which is applied with symmetric forms originally. and given the solution of potential velocity and hydrodynamic pressure of radiation and diffraction fluid fields, which is incited by a 2d arbitrary form, actual application field of the multipole expansion method has been enlarged

    關於二維擾動流場的求解：將通常僅適宜求解具有對稱形狀二維物體擾動流場的多極展開法（保角變換方法）擴展至非對稱形狀二維物體，給出了任意形狀二維物體的輻射和繞射流場的速度勢及水動壓力的頻域解，進一步擴大了多極展開法的實際應用范圍。
  10. Numerical simulation study on three - dimensional velocity field of fluvial channel current

    河道水流三維流速場的數值模擬研究
  11. On the other hand, it is indicated that the velocity field consists of a depth - independent inertial oscillation and a time - mean shear flow, which can be obtained by subtracting the inertial oscillations time mean in one inertial period. the hodograph of the velocity vector of time - mean flow at the different depths consists of a ekman spiral, and the surface velocity is 30. 3 ? to the right of the wind

    一維模式的流場結果表明，混合層中的流場是由慣性波動與時間平均流兩部分疊加而成，且通過時間平均消去慣性波動后得到平均流，其不同深度的流速矢量構成一ekman螺旋，表層流速矢量相對風向右偏了30 . 3 』 。
  12. According to phenomena observed during total solar eclipse, it can be pointed out that the velocity of gravitational field wave is equal to the velocity of light in vacuo

    摘要據日全食時的現象能夠得出：在真空中，引力波的傳播速度和光波的傳播速度相等。
  13. In this paper, the microbus " s temperature field and velocity field is researched through numerical simulation and experiment for the first time

    本文首次採用數值計算和試驗相結合的方法對微型麵包車車室內溫度場、速度場進行了研究。
  14. The frontal structure of longmenshan in the west of sichuan is very complex, showing intense structure deformation in overthrust belt, high structure amplitude, steep stratigraphic dip, developed fault blocks, complex seismic wave field, frequent change of lateral velocity, and poor image of post - stack time migration processing

    摘要川西龍門山前緣構造非常復雜，逆掩推覆構造帶構造形變強烈，構造幅度大，地層傾角陡，斷塊發育，地震波場復雜，速度橫向變化大，常規疊后時間偏移處理成像效果較差。
  15. Experimental study on two - phase velocity field in counter - flow spray saturator

    逆流噴霧式飽和器內兩相速度場的實驗研究
  16. Effects of the relativistic electron beam on the phase velocity of rf field in accelerator

    相對論電子束對波的相速的影響
  17. We have strong technical force including many experts in the field of electic light source, with advanced equipment and high - quality materials, the company has developed and produced dozens of special electric light source products that have been widely applied in the fields of medical treatment, medicament, chemical engineering, sugar refining, instruments and meters, helth care, hairdressing, photoengraving, laser light, movie, fishing, velocity measurement, etc

    採用先進設備、高品質材料，開發和生產數十種特種電光源產品，廣泛用於醫療、醫藥、化工製糖、儀器儀表、衛生保健、美容美發、照相製版、激光、電影、誘魚捕魚、測速等行業。
  18. The typical velocity field and the pressure on the step surface of the stepped spillway are measured using the laser doppler anemometer and the piezometer tube respectively

    採用多普勒激光測速儀和測壓管分別對階梯溢流壩面典型速度場和階梯表面壓力進行詳細測量。
  19. The blade inner channel cooling is a complex convection - conduction coupling problem. this thesis build a three - dimension. compressible turbulence model, and give a general solve method. with the geometrical model of the glossily rectangle straight channel, the rectangle straight channel with in - line arrays disturb plates, the rectangle straight channel with staggered arrays disturb plates, the rectangle straight channel with slant disturb plates, this thesis compute the flow and heat transfer condition when the cold air path though these channels, and gain the temperature field, pressure field, velocity filed, in addition. this thesis also analyze the influence of the different channel height, the different channel materials, the different channels, and gain the function relation between he nusselt number, friction factor and reynolds number. this thesis is emphasis on the new heat transfer enhancement structure, that is, disturb plates, with the comparison with the glossily channel and channel with pin fins, the heat transfer enhancement effect of the former is better, and the conclusion can be used in the design of aircraft blade

    葉片內部通道冷卻是一個復雜的對流?導熱耦合傳熱問題，本文在分析葉片內部通道冷卻的流動與傳熱情況的基礎上，建立了三維、可壓縮紊流的物理模型，得到了通用的求解辦法；利用不帶擾流片的矩形直通道、帶順排擾流片矩形直通道、帶叉排擾流片、帶傾斜擾流片的矩形直通道的幾何模型，計算了冷卻空氣通過這幾種通道時的流動與換熱情況，得到了各種不同情況下計算區域的溫度場、壓力場、速度場；在此基礎上分析了不同的通道高度、不同的葉片通道材質對葉片內部通道冷卻的影響，並整理得到了各種通道形式下，努謝爾數和阻力因子與雷諾數的函數關系；本文重點研究了新型的葉片內部通道冷卻強化傳熱措施?帶擾流片的內部冷卻通道的強化傳熱效果，通過與光滑矩形直通道、帶針肋通道的冷卻效果的比較，表明了這種新型鮚構的優勢，對于葉片內部通道冷卻結構的設計可以起到指導的作用。
  20. Fluent can imitate relation curve about heat transfer coefficient k and re, friction resistance coefficient f and re, the isoline about dot metrix between velocity field and temperature grads field. it also drafts several operating mode simulated stream field, velocity and temperature grads field

    應用fluent軟體擬合出傳熱系數與re關系曲線、摩擦阻力系數與re關系曲線、速度與溫度場梯度點積值的等值線圖， nu較大的幾個工況的模擬流場、速度和溫度梯度場。
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