管內流速 的英文怎麼說

中文拼音 [guǎnnèiliúsù]
管內流速 英文
velocity in pipes
  • 管 : Ⅰ名詞1 （管子） pipe; tube 2 （吹奏的樂器） wind musical instrument 3 （形狀似管的電器件） valve;...
  • 內 : 名詞1. （內部; 里頭; 里邊） inner; inside; within 2. （妻子或妻子的親屬） one's wife or her relatives 3. （姓氏） a surname
  • 流 : Ⅰ動1 （液體移動; 流動） flow 2 （移動不定） drift; move; wander 3 （流傳; 傳播） spread 4 （向壞...
  • 速 : Ⅰ形容詞（迅速; 快） fast; rapid; quick; speedy Ⅱ名詞1 （速度） speed; velocity 2 （姓氏） a surna...
  • 管內 : internal x-ray crawler
  • 流速 : [機械工程] velocity of flow; strength; [水文] current velocity; current speed; flow rate流速管 pi...
  1. The paper mainly consider the followings : the performance parameter determination of cryopump, heat load determination and heat transfer of large cryopanel, reasonable distribution of heat load, the condition for construct steady flow in small vertical circle pipeline, balance condition for gas and liquid two - phase flow in the connection pipe between cryopanel and dewar, the safety of cryopump

    文中探討了低溫泵性能參數的確定；大抽速低溫抽氣面的熱負載的確定及合理分配；冷凝面上豎直圓管內受熱建立穩定流動的條件；冷凝面與杜瓦間的連接管道內氣液「雙相流動」的平衡條件；低溫泵系統運行的安全問題。
  2. Washed air purifier working principle : siphon and using centrifugal principle will be mixed in water pure plant essential oils inhaled through its siphon principle the motor base coaxial centrifugal turbines in the bottom of straw through exchanges cover a very high - speed rotary motor, reuse centrifugal principle, will be mixed in water pure plant essential oil spray bottle in the form within a water film bile, the dust in the air and inhaled bacteria in water purification at the same time after the indoor air insufflation, quickly and efficiently by removing indoor toxin biological, dust, cigarette smoke, the smell, virus

    水洗空氣清新機工作原理：是利用虹吸以及離心原理；將混合於水的純植物精油通過虹吸原理吸入其電機底座的同軸離心渦輪下部的吸管中，通過交流罩極電機高速旋轉，再利用離心原理，將混合於水的純植物精油噴在瓶膽內形成一層水膜，將空氣中的灰塵以及細菌吸入水中，同時將經過凈化的空氣吹入室內，快速有效地去除室內的有毒素生物、灰塵、煙味、臭味、病毒等。
  3. Methods : male sprague - dawley rats were decapitated. the thoracic aorta was removed and washed in cold krebs - henseleit solution, then cut into 2 - 3 mm in length. the endothelium of some rings was removed by rubbing with a metal thread

    取雄性sprague - dawley大鼠的胸主動脈條上段，置於4的k - h液中，將血管剪成2 3mm長的主動脈環，部分血管環先用機械法去除血管內皮，迅速懸掛至離體灌流裝置中。
  4. Results show when velocity of flow remains unchanged in the onflow area and openness of the tube is changed, then resistance coefficient changes obviously

    實驗結果表明：在湍流區域內流速（量）不變時，改變管件開度，阻力系數變化較顯著；改變流量，管件開度不變時，變化不大。
  5. The pressure at every point along the pipeline, the gas - liquid phase flow rate and the law of the liquid holdup in the pipeline chang ing with time in the process of gas storage and supply at the time of peak shaving are simulatively calculated, and based on this, the problem on peak shaving is thoroughly analyzed by combining with the existing pinghu - shanghai gas pipeline in china

    模擬計算了調峰過程中管道儲氣和供氣過程沿線各點的壓力、氣液相流速和管內持液率隨時間的變化規律，據此結合我國已建成現有的平湖一上海的天然氣管線，對調峰問題作了深入地分析。
  6. The hydraulic gradients of settling slurry flow transported in three kinds of moving states, i. e. suspension, saltation, or partially suspension were investigated, based on analyzing the changes of solid particles and water in momentum, velocity and their mass related to momentum exchanging over the acceleration period of the solid particles

    從固體顆粒加速期間清水與固體顆粒的速度變化、動量傳遞、相關質量等基本問題分析入手，研究了沉降性漿體在水平管道內流動時其固體顆粒在3種流動狀態下的水力坡度，提出了沉降性漿體在水平管道內流動的機理模型，進而用該模型對一些輸送條件下的沉降性漿體的水力坡度進行了計算。
  7. Measurement of fluid flow in closed conduits. velocity - area methods of flow measurement in swirling or asymmetric flow conditions in circular ducts by means of current - meters or pitot static tubes

    密封管中流體流量的測定.用電流表或靜壓皮託管測量圓管道內迴旋流或不對稱流動流量的速度-面積法
  8. The main work is done with the help of model experiment. in the flood - relief experiment, the flood carrying capacity of spillway tunnel is checked. in the hydraulic experiment of the diversion power conduit system, the followings are studied : the flow condition and fluctuation in the surge chamber, the distribution of flow velocity before the rack in the surge shaft, the amplitude of stage in the quick gate bay etc. the test step, content and results of different proposals are introduced in details

    本項優化試驗研究的目的主要在於，通過泄洪系統整體水力學試驗，校核泄洪洞的泄流能力；通過發電引水系統整體水力學試驗，研究調壓井內水流流態和水位波動情況、調壓井內攔污柵前流速分佈情況；確定快速閘門井內水位波動幅度；試驗確定壓力管道水擊壓力穿井系數以及泄洪洞弧形門處的水壓力。
  9. For the third type, the blood ' s speed is very fast in a frame and maybe very slow in the next frame. it is difficult to measure the velocity using a standard video system but can be measured with high - speed video camera system [ 17, 42, 43 ]

    第三類微血管內血液流動特性是時快時慢，很難在標準視頻設備下測量出來，但如果在高速採集卡下的視頻圖象和第一類一樣時，可以用第一類相同的方法測量出來。
  10. Based on the review, the fluid flow and heat transfer in the curved circular and rectangular pipes have been researched by employing perturbation method and numerical simulation with a physical model under the rotational orthogonal curvilinear coordinate in a rotating curvilinear pipe with multi - parameters. we firstly analyzed the fully developed fluid flow and heat transfer, mixed convection heat transfer, the development of flow and heat transfer in the inlet in different cross section ( circular, elliptical, annular and rectangular crossection ). the variations of the secondary flow, axial velocity, distribution of temperature, the friction force on the wall, the ratio of friction factor as well as the nusselt number with different dimensionless parameters had been examined in detailed

    本文在總結和分析了一個世紀以來有關曲線管道流動和換熱特性的研究成果的基礎上，以旋轉正交曲線坐標系統下的多參數旋轉螺旋管道中的對流傳熱為物理模型，通過攝動方法和有限體積法，首次對各種截面（圓截面、橢圓截面、環形截面、矩形截面）旋轉曲線管道內充分發展流動的流動結構和傳熱特性（包括耦合對流傳熱特性）以及旋轉曲線管道開口段發展流動的流動結構和換熱特性進行了系統的數值模擬和理論分析，詳細討論了各種無量綱參數對管道內軸向速度分佈、二次流結構、溫度分佈、壁面摩擦力、摩擦系數比以及管道nusselt數的影響，獲得了若干創新性成果。
  11. To prevent clogging of the pressure tap by fine solids gas is bled into the bed at low velocity at the taps.

    為了防止測壓管嘴被微細顆粒堵塞，在管嘴處以低流速向床內注入氣體。
  12. Either too low a line velocity or too high a velocity can damage valve internals and shorten valve life

    管線流速太低或太高都可能損壞閥內件，縮短閥門的使用壽命。
  13. 3 the design theories of cooling pipe of play down internal temperature of mass concrete about diameter, length, arrange method, rate of flow, current velocity, reduce heat time, temperature disparity to in and out, reduce heating result etc. 4 the theory of influence about concrete internal temperature and concrete crack because of transform of mixture ratio and pulverized fuel ash sophisticate quantity

    西安建築科技大學博士生論文一;一;一一『一一一3降低大體積混凝土內部溫度常用的冷卻水管的管徑、長度、布置方法、水流量、流速、降溫時間、進出水口的溫差、降溫效果等的設計計算理論。 4配合比及摻加料對混凝土內部溫度和混凝土開裂的影響理論。
  14. Abstract : based on the establishment of physical model, this paper used a two - dimensional calculation model to numerically calculate and analyzed the heat transfer process of the two - phase flow within the conduit of single evaporator in cpl

    文摘:在建立物理模型和分析管內流動狀態並列出基本流動方程的基礎上，採用一個二維計算模型進行數值計算，求得管內汽-液相的速度和壓力分佈。
  15. In order to analyze the fluid dynamic characteristic in seawater pipeline system, the test device of fluid dynamic characteristic in seawater pipeline system is set up. in this experiment, the velocity of pressure wave propagation is measured by frequency analysis technique and the measured result is reliable. according to the frequency analysis technique and a basic theory of linear transfer matrix, the pulsation pressure value in pipeline is predicted by the measured values from four pressure transducers

    為了分析海水管路系統內流體的動態特性，建立了海水管路系統流體動態特性實驗臺架；在實驗中利用譜分析技術對壓力波傳遞速度進行了測量，測量結果可信；並利用譜分析技術及線性傳遞矩陣基本理論，通過多個壓力傳感器的測量值預測了管路中的脈動壓力值，實驗結果與理論計算之間吻合很好；分析了流體動態特性實驗臺架本身的自循環特性對海水管路系統中脈動壓力測量的影響。
  16. Abstract : a tube reactor mixed by an axial continuous flow and four side jets as the dispersed flow is studied. the concentration distribution of the dispers ed flow was measured by means of the laser light scattering. the different flow patterns revealed the special construction of concentration distributions in relation with the velocity ratio of side flow and axial flow

    文摘:研究了圓管反應器中四束側向對撞射流與軸向流形成的混合流動.應用激光粒子散射成像測量了側向分散相在混合流中的濃度場分佈，得到了不同的濃度分布圖形隨側向流與軸向流速比關系，揭示了內在有規律的獨特的濃度分佈結構
  17. The paper introduces acquired air rate of flow in admission pipes and fluidity in cylinder on single cylinder or multi cylinder engines with hot - wire anemometer, and demarcation and adjustment method of measure values are provided

    摘要本文介紹了利用熱線風速儀測量單缸與多缸內燃機進氣管內流速、氣缸內氣體流動以及標定與修正的方法。
  18. Under the function of big pressure and dynamic load, the grains may be moved which may cause the soil body distortion. at present, the relatively ripe methods of drill in gravel layer are mostly double - wall drill pipe reverse circulation drilling, auger stem breast wall drilling and down - the - hole hammer follow down drilling

    論文根據jsl ? 30型礫石鉆機潛孔錘同心跟管鉆具結構，採用程序計算得到了鉆桿內各深度處壓力分佈、鉆頭壓力降、環形空間壓力分佈及空氣流速分佈。
  19. Each parameter affecting to its natural frequency and vibration characteristic is analyzed ( such as the supporting stiffness coefficient, the supporting distance, the internal pressure and the velocity of fluid in the pipeline )

    分析了各參數（支承剛度系數、支承跨距、管內壓力、管內流體速度）對振動特性的影響；對速度波動、壓力波動對固有頻率的影響作了探討。
  20. Spectral method and spectral element method are both used in the present dns. the flow is developed from an initial velocity field whose mean and root mean square values are fitted to the experimental data. the reynolds number of the flow is 2250 based on the mean velocity and the radius of the pipe

    本文在空間離散上採用譜方法和譜元法的結合，通過在圓管層流速度剖面上疊加隨機擾動作為初始場的方法，計算了管長為，平均雷諾數為2250的光滑圓管內的湍流流動，建立了圓管內較低雷諾數下速度場和壓力場的數據庫。
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