cfd 中文意思是什麼

cfd 解釋
差價合約
  1. Tahir r b, molder s and timofeev e v. unsteady starting of high number air inlets - a cfd study [ r ]. aiaa 2003 - 5191

    梁德旺，袁化成，張曉嘉.影響高超聲速進氣道起動能力的因素[ c ] / / 2005年沖壓發動機技術交流會論文集， 2005
  2. Application of cfd in airflow design for lab

    技術在實驗室氣流組織設計中的應用
  3. Analysis of flow field in an artificial blood pump with cfd

    血液透析機血泵故障需分型辨治
  4. 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。
  5. The basic electronics of positron imaging systems are composed of the preamplifier, shaper, main amplifier, constant fraction discriminator ( cfd ) and so on

    有用的數據采入計算機后，對其進行相關的處理后進行圖像重建。
  6. This paper is a review of rotorcraft cfd in light of major unsolved problems, and some prospects and solution philosophy for solving them

    本報告是依據未解決的重大問題、解決這些問題的若干前景和指導思想對旋翼機計算空氣動力學（ cfd ）所作的評述。
  7. Computational flow imaging ( cfi ) uses theoretical predictions of the interaction and transmission of optical waves through theoretical flowfield to generate digital pictures that simulate real observations. it was used to construct flow visualization corresponding to shadowgraph, schlieren, interferometric and planar laser induced fluorescence ( plif ) images. by providing a better insight into the flow physics and cfd code behavior, cfi is proving to be extremely useful to experimentally validate cfd codes

    計算光學流動顯示技術（ computationalflowimaging - cfi ）就是把數值計算（ cfd ）獲得的流場中的物理場，經過與實驗相同的計算光學（全息干涉、紋影、陰影、平面激光誘導熒光）的過程轉換為所需的各個方向與試驗流動顯示圖像相對應的計算流動圖像。
  8. 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。
  9. 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。
  10. Using the post processing tools of this cfd software, this article analyses the temperature and velocity field in the vav air - conditioned office and finally evaluates the indoor air distribution, adopting air diffusion performance index ( adpi )

    利用cfd軟體的后處理工具對不同送風方式以及不同工況下的變風量空調室內的溫度場和速度場進行了分析，最後採用空氣分佈特性指標對空調室內的氣流組織進行了綜合評價。
  11. Using local piston theory based on cfd to solve hypersonic unsteady aerodynamic loads, the hypersonic aerothermoelasticity is simulated in time domain

    在時間域內實現了高超音速熱氣動彈性的模擬。
  12. 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。
  13. A study about the effect of combustion chamber passage configuration on air plow field is performed in a compression ignition natural gas engine with a separated combustion chamber using multi - dimensional computational fluid dynamics ( cfd ) code

    摘要以分隔室式天然氣發動機為研究對象，利用cfd多維數值模擬計算軟體，研究了燃燒室通道結構參數對壓燃式天然氣發動機缸內氣流運動的影響。
  14. Through the research work of this article, it is shown that cfd technology can efficeintly instruct the design of indoor air distribution and evaluate indoor air quality and ventilating effect ; the distribution of heat sources have great impact on indoor air distribution ; under variable air volume condition, the indoor temperature and velocity fields are quite even and the thermo - environment is relatively good when using diffusers with coanda effect such as square diffuser and slot diffuser to supply air

    經過本文研究發現，利用cfd技術可以有效地對空調室內氣流組織設計進行指導，全面對室內空氣品質和通風效果進行評價。熱源分佈對于空調室內的氣流組織具有極其重大的影響。在變風量條件下，利用具有良好貼附效應的送風口如方型散流器和條縫風口送風，空調室內的溫度場和速度場較均勻，室內的熱環境良好。
  15. 2. using cfd software - fluent, many flow states were been simulated. these states are the influence of nozzle structure with the flow, the distributing characteristic of inside flow, the influence of cold gas flow and outside flow with the work of the nozzle, the change of inside pressure load when the nozzle regulates

    2 、藉助cfd軟體fluent ，計算出可調噴管本身結構對流動的影響、可調噴管流場的參數分佈、冷卻氣流對噴管流動的影響、外流對可調噴管內流的影響、噴管的冷流流場和噴管調節過程中內壁面的壓強載荷變化。
  16. 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。
  17. The diffusion carrier concentration profile and junction depth were measured and compared with conventional furnace processing diffusion ( cfd ). it presented following conclusions : 1 ) the temperature distribution in quartz chamber of rtd furnace is uniform because square resistance is uniform after rtd ; 2 ) the diffusion velocity of rtd furnace by a factor of three compare to conventional furnace processing diffusion ( rtd ) ; 3 ) if diffusion temperature and doping phosphorus are equivalent, doping phosphorus of rtd are more than of cfd in equivalent distance to the silicon surface

    實驗研究了快速熱擴散（ rtd ） ：通過旋塗磷膠和印刷磷漿兩種方式考查了2 4和103 103單晶硅的快速熱擴散特性，發現： 1 ）此樣機的溫度場在空間分佈上是均勻的； 2 ）快速熱擴散可以比傳統擴散快3倍的速度進行擴散； 3 ）在擴散溫度和摻雜磷源相同的條件下，與傳統擴散相比，快速熱擴散將雜質向結更深的地方推進。
  18. The paper proposed an agent - based autonomy cfd solver system based on analysis of the potential talent of the agent oriented technology in this domain. the design and the implementation of a protype of an agent - based autonomy cfd solver are presented

    在分析面向agent方法的基礎上，針對用時間相關法求解navier - stokes方程的動態、自主等特點，論述了基於agent的系統實現cfd自主求解系統的適用性。
  19. According to the engineering criterion of the cooling system, the function and the characteristic of the cooling system are checked at the case of rating and torque, thus two schemes are compared to select the better one, and also the boundary condition for further computational fluid dynamics ( cfd ) analysis is provided

    按照冷卻系統工程規范，分標定點與轉矩點兩個工況來檢查冷卻系統的功能和特性，以比較兩種結構方案的優劣，也為下一步進行計算流體動力學分析（ cfd ）提供邊界條件。
  20. Cfd calculation for resistance of a ship moving near the critical speed in shallow water

    淺水中船舶水動力特性數值計算
分享友人
分享到 Line

分享到臉書