varying flow 中文意思是什麼

varying flow 解釋
變速流
  • varying : 變化的
  • 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. The main contents are as follows. ( 1 ) filter cloth and the surrounding soil mass are taken as an approximate isotropy in horizontal section, the relationship of stress and strain is studied, the anisotropy is fully considered, the constitutive model of filter cloth reinforcement fly - ash compound is obtained, it is tested with numerous indoor experiments. ( 2 ) the permeable coefficient is introduced into the constitutive relationship of soil mass with relevant seepage theory ( kozeny - carman experience formula ). the test of filter cloth depositing hi the condition of long term seepage flow is done hi the dissertation, the varying regular of permeable coefficient without pressure is presented

    本文首先對國內外的研究現狀作了回顧和總結,然後主要針對土工織物加筋粉煤灰復合體的本構關系和計算理論進行研究,主要內容有: ( 1 )將土工織物和周圍土體視為一種近似的彈性非線性橫觀各向同性體,研究它的應力應變關系,充分考慮它的各向異性,得到土工織物加筋粉煤灰復合體的本構模型,然後通過大量室內試驗進行分析驗證; ( 2 )引入有關滲流理論,即柯茲尼-卡爾曼( kozeny - carman )經驗公式,將滲透系數引進到土體本構關系中。
  2. By varying flow velocity and the concentration of hmi ( hg2 + ) in influent water and adding usual cations ( ca2 +, mg2 + ) or anions ( cl -, so42 - ) into raw water, the effects of hmi removal by wbaer and cations exchange resins from dk have been contrasted

    試驗中通過改變流速(通過離子交換柱) 、進水中重金屬離子( hg2 + )的濃度以及向原水中引入天然水體中常見的陽離子( ca2 + 、 mg2 + )和陰離子( cl 、 so42 )等方法,比較了弱堿性陰離子離子交換樹脂和陽離子交換樹脂對飲用水中微量重金屬離子( hg2 + )的去除效果。
  3. Abstract : based on flow - varying characteristics of thixotropic casting semisolid alloys, the flowing state of the semisolid alloy under the procedures as filling up the mould by means of thixotropic casting being performed, is simplified to the flow which features in an equal temperature layers

    文摘:根據觸變鑄造固態合金的流變特性,將半固態合金在觸變鑄造充型過程的流動簡化為均相等溫層流流動,並在此基礎上建立了連續方程、動量方程和守恆標量方程,開發了適用於半固態合金觸變鑄造充型過程的數值模擬系統。
  4. As the values of wave factors in period of reoccurrence were deduced for many significant propagating direction in the yangtse river estuary, the wave reflection - refraction modeling is employed in terms of the equations with the slowly varying topography, and the influence on the effects of the channel and shoaling is included in this model. at the same times, the effects of the bottom friction and wave breaking are also considered, but the local wind field and background flow are ignored

    在推算長江口深水航道幾個主要波向的重現期波浪要素值時,採用了基於緩坡方程的波浪折射?繞射模式,該模式考慮了航槽和淺灘對波浪的影響,同時也考慮了底摩擦和波浪破碎對波浪的作用,但未能考慮局地風場和流場的作用。
  5. By varying the main structure parameter of propeller and multi - parameter optimization calculation, the regularity of flow field and the most suitable parameters are got

    介紹了通用流體力學軟體fluent的使用方法和技巧。改變攪拌槳的主要結構參數值,進行多參數優化計算。
  6. Based on the previous studies, the 2 - d laterally averaged temperature model for the temperature prediction of the huge and deep reservoir is developed in this paper. in the mean while, the movement mechanism of the turbulent buoyant flow in reservoir and the rule of the thermal stratification forming, developing and varying are probed. the model is then applied to the huge reservoir of xiluodu on jinshajiang river and the cascade power stations on yalongjiang river

    本文在總結前人研究成果的基礎上,探討了水庫湍浮力流的運動機理,以及溫度分層的形成、發展和變化規律,建立了適用於大型深水庫水溫預測的立面二維水溫模型,並應用於超大型水庫? ?金沙江溪洛渡和雅礱江梯級電站各水庫的水溫預測,取得了一系列創新性研究成果。
  7. ( 2 ) with f varying, there exists a number fr which is about - 1 ( curvature, torsion and dean number have little influence on fr ), when f > fr, the maximum of the axial velocity is near the outside bent and the friction factor ratio increases with f increasing ; when f < fr, the maximum is near the inner side bent and the ratio increases with f decreasing ; when f = fr, the distributions of the axial velocity are similar to those of poiseuille flow and the friction ratio is about 1

    ( 2 )當f變化時,存在確定的數值fr ( fr在- 1左右。曲率、撓率和dean數對fr的影響很小) ,當f fr時,軸向速度最大值偏向外側,摩擦系數比隨f增大而增大;當f fr時,軸向速度最大值偏向內側,摩擦系數比隨f減小而增大;當f = fr時,軸向速度的分佈和poiseuille流近似相同,摩擦系數比約為1 。
  8. Under the influence of the world economic globalization, capital ' s transnational flow makes the infiltration emerged to varying degrees among every country ' s corporate capital systems

    由於世界經濟一體化趨勢的影響,資本的跨國流動,使各國公司資本制度模式出現不同程度的滲透。
  9. One approach consists of varying only the total flow thereby maintaining the same thrust chamber hardware.

    有一種方法是僅改變推進劑總流量,而推力室結構保持不變。
  10. Abstract : the paper introduces a new kind of vortex gas mass flowmeter, which can measure gas mass flow by testing the vortex frequency and the horizontal varying lifting force

    文摘:介紹了一種利用檢測漩渦頻率和橫向變動升力的方法測量氣體質量流量的漩渦式氣體質量流量計。
  11. Its use offers a simple method of determining the best size of stop - check valve, as well as the pressure drop under varying conditions of flow, without any computation

    它提供一個簡單的方法來確定最適合的截止止回閥通徑,以及不同流體狀況下的流體壓降,不需要任何的計算。
  12. Because there are obviously multi - dimensional feature at the cleaning valve, we adopt the three - dimensional viscous flow field and the spalart - allmaras model to calculate the flow coefficient, to raise the solution of setting the boundary condition, to study the flow properties and corresponding parameter varying

    清洗液閥門具有明顯的多維流動特性,用三維流場計算其流量系數,採用spalart - allmaras湍流模型(簡稱s - a模型) ,提出了邊界條件的設定方法,來研究清洗液閥門的流量特性以及相應的參數變化規律。
  13. Because the basic principle of variable air volume system is to meet the comfort conditions indoor by varying air flow rates, air distribution is rather important

    由於變風量系統是通過改變送風量來滿足室內舒適要求的系統,所以氣流分佈對于變風量系統是相當重要的。
  14. The transient flow field induced by a high - speed train moving into a tunnel is a three - dimensional, compressible and turbulent field. it ' s a field with boundary varying from indefinite to definite

    它是由無限邊界向有限邊界過渡的一個流場,既不同於風洞試驗中的有限邊界流場,也不同於火箭、飛機所在的無限邊界流場。
  15. Study on breakup of conical liquid sheet under varying flow conditions

    不同液壓條件下錐形液膜破碎的實驗研究
  16. Based on the testing principle of wheatstone bridge, a simple testing system is set up with two cascaded amplifiers and two cascaded butterworth lowpass filters. the varying voltage is tested by the system as the pressure is changed. experiment data are obtained, which also prove the feasibility of the design and the process flow

    5 .基於惠斯頓電橋的測量原理,利用兩級放大電路和兩級巴特沃思低通濾波電路搭建了一簡單的測試電路系統,成功地檢測出了輸出電壓的微小變化值並得出了一些初步的實驗數據,驗證了晶元設計和工藝流程的正確可行性。
  17. In this thesis work, a 1 - d hydraulic transient model and a 2 - d compressible flow model with the large eddy simulation approach have been applied to analyse the hydrodynamic process of the unsteady separated flow. prototype observation data of gezhouba shiplock no. 3 has been used to verify the computational results. it has been found that two different types of flow regime - stably - varying and strongly - oscillating regimes - could occur in the radial gate tunnel

    本文採取將一維非恆定流模型與二維可壓縮流一大渦模擬模型相結合的方法,分析了急變分離流的水動力學特性,並利用葛洲壩三號船閘的原型觀測資料驗證了數值模型的可靠性,發現閥門段存在平穩變化型和劇烈振蕩型兩種不同的流態,並詳細計算、分析了它們的流動特徵
  18. And at the same time, considering the situation of varying oil viscosity and oil - flow inertia, this paper analyzes flowing properties of fluid in bearing clearance, which provide theory reference for more reasonable design and application of hydrostatic bearing in the equilibrium of axial force, and then carries out computer simulation a nd experiment verifying

    同時,在考慮油液粘度變化和油流慣性的情況下,分析了支承縫隙中流體的流動特性,並進行計算機模擬和實驗驗證,這為靜壓支承在軸向力平衡中的進一步合理設計和應用提供了理論參考。
  19. The application of neuron decoupling control technology in varying air flow conditioning control

    在變風量空調控制中應用神經元解耦控制技術
  20. This paper adopts sequential monte carlo simulation technique and time - varying load model to assess multi - fault reliability of typical distribution network considering line capacitance constraint and power flow of distribution system

    本文在考慮線路容量約束和潮流分佈的條件下,採用序貫蒙特卡羅模擬和全年時變負荷模型評估典型配電網多重故障模式的可靠性。
分享友人