external flow 中文意思是什麼

external flow 解釋
表面流
  • external : adj 1 外部的,外面的;【哲學】外界的,客觀的,物質的。2 表面上的 (opp intrinsic); 膚淺的,淺薄...
  • flow : vi 1 流,流動。2 (血液等)流通,循環。3 流過;川流不息;(時間)飛逝;(言語等)流暢。4 (衣服、...
  1. We need to keep the fiscal reserves at a satisfactory level to meet the cash flow needs of the government in its day to day operation ; to cope with contingencies arising from any downswing in the economic cycle and from unforeseen external events ; and to underpin the stability of the exchange rate for the purpose of enhancing monetary stability

    我們需要把財政儲備維持在適當水平,以應付政府日常運作上的現金流量需求;在經濟周期回落或外圍出現突發事件時應急,以及支持匯率,以維持金融穩定。
  2. Considering multiplicity of automobile model style, more research about the external flow field of the automobile model by choosing different collocation and changing the detail about the foreside of automobile body was carried out

    2 、考慮到車頭形式的多樣性,選擇汽車車頭的不同布置和相關細節變化。將汽車車頭模型在虛擬流場中進行外流場的數值模擬,進一步進行分析研究,得到不同車頭形式所具有的各自特點。
  3. Objective to study the effect of external counterpulsation on cerebral blood flow

    摘要目的研究體外反搏對腦動脈血流量的影響。
  4. The ejected coolant interacts with the external flow near the endwall and generates aerodynamic and thermodynamic losses in the process. this reduces turbine stage efficiency and together with the consumption of cooling air is detrimental to the overall cycle efficiency

    但這種方法中噴射的冷空氣與端壁附近的外流場相互作用產生氣動力和熱動力損失,並且消耗冷卻空氣,從而損害渦輪的整體循環效率。
  5. ( 2 ) to evaluate the effects of a reaction control jet on the aerodynamic performance of a missile operating at supersonic / hypersonic flight condition, the single and two attitude jet - interaction flow between a lateral jet and the external flow has been analyzed by detailed numerical simulation

    ( 2 )分別計算了單噴流和雙噴流干擾流場。詳細分析了流場結構和彈體表面壓力分佈特性,獲得了一些有實用價值的結果。
  6. From the vehicle safety angle, it provides theory and technical support for the research on automatic drive, intelligent drive and traffic safety. this paper is based on the study of single car external flow field about the simulation on the ground boundary layer, the rotating wheels and the crossing wind load, and on the two cars running - in - row and overtaking maneuvers

    同時使用穩態超車的研究方法,利用了階背式、快背式和廂式mira模型代替轎車模型進行了不同車型超車過程的對比研究,利用定性和定量兩種方法研究了不同轎車車型在超車過程中的異同。
  7. But other things do not often remain equal. the external imbalance of the us, the interest rate conundrum, the weak relatively speaking economic performance of europe and japan, the prospects of change in the exchange rate regime of the renminbi and emerging problems of hedge funds will probably mean greater, rather than less, volatility in the flow of international capital

    但現實世界中各種因素不會恆常不變:美國對外貿易失衡短期利率上升但長期債券利率下跌之謎歐洲及日本經濟表現相對疲弱人民幣匯率制度日後可能改變,以及對沖基金的問題漸現,勢必使國際資金流向更為波動。
  8. An intravenous isotope method for external measurement of cerebral circulation time was applied to rabbits for determining cerebral blood flow

    白兔腦皮層血流之測定系採用靜脈內注入放射性物質並配合閃爍攝影術為之。
  9. This text aimed at the problems of the management aspects of design of organization structure of the wheel company, combining to the development stage of the company, by means of the questionnaire to the related personnel and comprehensive analyses of internal and external environment, find out main reasons of the influence of organization structure and design to the company development, . by the reference to the successful aspects of organization structure and design of the same domestic and overseas enterprises, i designed the excellent project. that is the excellent project of work flow, the excellent project of the organization structure and the excellent project of the position system respectively by the practice of experimental unit and its result, proving that this project is successful, attaining to aim of raising the company management level of enterprise management

    本文針通過對車輪公司外部環境、內部環境的分析,針對車輪公司組織設計中存在問題,通過現場調研與綜合分析,找出了公司組織結構不適應的三個主要方面? ?以職能為中心、管理層次多、集權制,指出了解決公司目前管理問題是對組織結構的優化與改進,並通過借鑒國內外相關企業成功經驗,同時結合公司現狀,制定了公司組織結構優化設計方案,通過公司管理層的認可和部分優化方案的實施以及實施效果驗證,證明了組織結構優化設計方案是可行的,而且能夠滿足企業發展與戰略的需要。
  10. The driver has the quiescent current under 1 a and also has soft - start circuitry to limit inrush current flow at power up. the chip can be operated normally in the temperature range of - 40 to 85 according to the simulation results. the brightness of the white leds can be controlled by using a dc voltage or a pwm signal applied to the pin with a few external components added

    系統採用0 . 5 mcmos工藝;輸入電壓范圍為2 . 7v到5 . 5v ;在關閉狀態下消耗電流小於1 a ;具有軟啟動功能,可減小啟動過程中的浪涌電流;具有短路及過熱保護功能,工作溫度范圍為- 40至85 ; led亮度控制可以通過外加dc或pwm電壓信號和很少的外部元件實現。
  11. Under this mechanism, driven by s ome endogenous motivation factors and suitable exogenous motivation arrangement, the high - level - capability enterprises are expected to conduct external - to - cluster learning activities in the interregional network so as to introduce high - value knowledge flow into the cluster where they are located, and the low - level - capability enterprises, however, are expected to utilize local network to learn from the knowledge diffusion from their high - level - capability neighbors

    該機制的基本思想是藉助內生的動力因素和合理的外部激勵設計,來引導集群高位勢企業面向跨區域網路開展外向型技術學習以引進高價值知識流,而低位勢企業則藉助當地網路平臺從前者的知識擴散中進行跟進式學習,表現在知識的空間運動形態上,是一種「知識引進? ?知識擴散」模式。
  12. The influence of the teeth number of driving gear on the flow characteristics of compound external gear pump

    活齒二齒齒輪轉子泵液壓力分析
  13. Abstract : drawing on each other " s merits, the algebraic grid generation and elliptic grid generation methods are closely combined to generate high quality grids of automobile external flow field effectively

    文摘:將代數網格生成法和橢圓方程網格生成法有機地結合起來,克服了它們各自的弱點,集中了它們的優點,可快速有效地生成高質量的汽車外流場計算網格。
  14. At different attack angles, mach numbers and ramp angles, the numerical calculations of inner and external flow field are performed for an adjustable mixed compression inlet

    摘要對某可調混壓進氣道在不同攻角、不同馬赫數、不同斜板角度下進行了大量的數值計算。
  15. This paper refers the figures and dates of some missiles in domestic and foreign, builds the aerodynamic date, engineer and rudders mathematic model, analyses the phenomenon of side jet interaction with external flow, builds a side jet model with append factor which conforms to the actual situation, and founds nonlinear mathematic model of this missile

    本文參考了國內外各型導彈的形狀和數據,建立了導彈空氣動力和力矩模型、發動機模型和作動器模型,並且研究了在側噴直接力控制時,側噴與外流場的干擾效應,建立了更加符合實際情況的帶有附加增益的側噴模型。
  16. The numerical simulations show the complete airflow pattern around the tested car. this external flow is very complicated because of the geometric complexity of the car body shape and the interaction of the car with the ground

    計算值與文獻值在汽車的前部是重合且一致的,而在汽車頂部卻出現了一些偏差,兩者的壓力系數曲線走勢是基本一致的。
  17. 4. the external flow field of the 3d model was simulated and the characteristic about it was described simply

    4 、對三維模型進行外流場的數值模擬,簡要分析外流場的分佈特點。
  18. 3. the external flow field of the automobile model was simulated at speed 60m / s, 70m / s and 80m / s. the conclusion is that the characteristic about the external flow field of the automobile model distributes similarly

    3 、對汽車在60m / s 、 70m / s和80m / s速度下的外流場情況進行數值模擬和分析,得出高速時的外流場分佈特性。
  19. Finite differential method ( fdm ) was applied to analyze the external flow field by fluent and calculate the drag coefficient, and the result of the external flow field by changing the shape of automobile model can be compared

    採用有限差分法,運用fluent軟體,分析某轎車模型附近的流場,計算出阻力系的數值,研究車身前部改進對汽車外流場的影響。
  20. The main works of this paper are : 1. typical systematic effects due to geometry change are well known. the external flow field of the automobile model was simulated to find out how it reacted to the aerodynamics characteristic, when the foreside geometry of automobile body changed

    本文主要工作如下: 1 、根據幾何尺寸對典型系統的影響,改變汽車車頭外形的基本尺寸,將不同外形尺寸參數下的模型在虛擬流場中進行外流場的數值模擬,分析其對氣動性能的影響,得到最基本的外形概念。
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