流力系數 的英文怎麼說

中文拼音 [liúlìxìshǔ]
流力系數 英文
current force coefficient
  • 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...
  • 力 : Ⅰ名1 （力量; 能力） power; strength; ability; capacity 2 [物理學] （改變物體運動狀態的作用） forc...
  • 系 : 系動詞（打結; 扣） tie; fasten; do up; button up
  • 數 : 數副詞（屢次） frequently; repeatedly
  • 系數 : [數學] coefficient; ratio; modulus; quotient; factor
  1. Additionally, it has utilized the harvest of the diffluent and confluence cross experiment made by beijing university of technology, which has enhance the application of the software and be of innovation

    同時，軟體利用了北京工業大學建築環境與設備實驗室多年來在帶調節拉桿閥片的合流及分流四通局部阻力系數的實驗研究成果。這一點，將擴大了軟體的工程應用范圍。
  2. The results of soil trough experiment indicated that, the flow velocity and froude number would add when the rainfall splash intensity rose ; the flow depth and resistance coefficient would decrease when the rainfall splash intensity increased

    土槽試驗結果表明：土壤坡面薄層水流流速和弗汝德數隨雨滴打擊強度的增加而增加，水深、阻力系數隨雨滴打擊強度的增加而降低。
  3. ( 2 ) the results reveal that the pre - swirl ratio has a great influence on the flow field of the rotating disk, even greater than the rotational reynolds number, and an initial constant is induced in moment coefficient cm and average nusselt number nuave correlations, which does not exist in the case of without pre - swirl

    （ 2 ）分析了預旋系數_ r對該旋轉盤腔流場的影響，定義了一個新的壓力系數c _ p ，該壓力系數c _ p沿徑向位置的變化對特定的旋轉雷諾數re _是一個常數。
  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. Many factors have effect on irrigation uniformity. with the growing of pressure, how is irrigation uniformity of trickle irrigation varying on different condition of the diameter of drip line, the distance of emitters, the length of drip line, the style of emitters, the flux ratio of emitters and the face gradient of little irrigation district. the consequence shows that pressure has puny effect on irrigation uniformity

    滴灌系統的灌水均勻度受眾多因素的影響，本文通過毛管的管徑、滴頭間距、毛管的管長、灌水器的類型和灌水器的流量系數不同的情況下，灌水均勻度隨壓力水頭變化模擬結果顯示，壓力水頭對灌水均勻度影響非常小。
  6. Then the judging method is proposed, and the proposed method can consider the stress history and viscosity shear strength of soft soil. in this paper, a fem program dpfbm1. 0 ( double plastic foundation beam method ( version 1. 0 ) ) is established. with this program, the influence of some parameters on foundation excavation is fully studied, the parameters include : compression modulus, cohesive strength, angle of internal ficiction, effective angle of internal friction, the embedded length of the wall and building load

    針對當前國內外彈性地基梁法存在的缺陷，基於對軟土流變性的研究，採取了剪應力判斷彈塑性狀態，以改進和完善基坑工程彈性地基梁法，推導了彈性狀態下地基反力系數的近似解，提出了採用剪應力組合判斷土彈簧彈塑性狀態的方法，編制了相應的彈塑性共同變形法分析程序dpfbm1 . 0 （ doubleplasticfoundationbeammethod （ version1 . 0 ） ） ，並採用該程序分析了壓縮模量、粘聚力、內摩擦角等參數變化對基坑工程的影響。
  7. Eev should be selected for various refrigeration systems according to the thermal properties of refrigerants ; the discharge coefficient of eev is sensitive to the aperture and impulse quantity of eev ; when the eev structure is made, the discharge coefficient goes up with the lowering of evaporation temperature or goes down with the hoisting of the condensation temperature. it is le

    對于不同工質的冷藏集裝箱製冷系統，電子膨脹閥應該根據具體製冷劑的熱力性質選取；電子膨脹閥流量系數對孔徑和脈沖數比較敏感；在結構固定時，流量系數隨蒸發溫度的降低而升高，隨冷凝溫度的增加而增大，受過冷度變化的影響較小；電子膨脹閥的容量受孔徑影響最大。
  8. The results of flume experiment indicated that, the flow velocity and froude number of the overland flow would fall with the rainfall splash intensity rose ; the flow depth and resistance coefficient would enhance with the rainfall splash intensity increased

    水槽試驗結果表明：水槽槽面薄層水流流速及弗汝德數隨雨滴打擊強度的增加而降低，水深、阻力系數隨雨滴打擊強度的增加而增加。
  9. Abstract : based on thestatic wind force factors of a tower and on the root - mean - square of the buffetingdisplacement responses of the tower top, which are measured by wind tunnel tests inlaminar and turbulent field respectively, the static and buffeting internal forces of thetower bottom control sections under its design wind speed are obtained by linearsuperposition method and fem

    文摘:基於均勻流和紊流風場中的橋塔模型風洞試驗所測得的橋塔空氣力靜力系數及塔頂抖振響應的位移均方根，採用線性疊加法及有限元法反演，給出設計風速下塔底控制截面的順風向靜風及抖振內力。
  10. ( 2 ) on the leading edge, the film cooling effectiveness at the zone immediately downstream of the cooling holes is affected by blowing ratio and mainstream reynolds number, while the effects are not important in the downstream zone far from the cooling holes. ( 3 ) on the front half of pressure surface, the effectiveness increases with decreasing blowing ratio at the downstream near the cooling row and it is contrary at the downstream far from the cooling row. ( 4 ) on the rear pare of the pressure surface, the effectiveness decreases with increasing blowing ratio and does not vary so much downstream in the cases of higher blowing ratio

    研究結果表明葉片吸力面端壁附近區域壓力系數分佈呈現出較強的三維特性，動葉吸力面尤其明顯；氣膜孔流量系數隨吹風比的增加而增大，在高吹風比情況下，流量系數逐漸趨于常數；在不同型面區域，冷卻效率分佈有較大的差異，而且吹風比與主流雷諾數的影響程度也不盡相同；低吹風比下，孔出口下游附近可以得到較好的冷卻，中、高吹風比下，冷氣射流在加速流動主流的作用下返回壁面進行二次冷卻，孔下游較遠區域可以得到較好的冷氣覆蓋。
  11. Fluid network was divided into a lot of independent loops. through changing states of valves, i got pipe flux and pipe pressure drop. based on pressure balance equation, i built the differential equation system, solved the differential equation system, and acquired resistance coefficients of pipes and component

    並將流體網路圖分解為一個個獨立迴路，通過改變閥門的狀態，來獲取迴路各管段流量和壓力損失，根據迴路壓力平衡方程，建立方程組，對方程組進行了求解，解出了各未知管段、流體器件的阻力系數。
  12. The secondary air duct of boilers is a group of large diameter short ducts in parallel connection, having inlet air flow condition with inner positioned resistant pieces

    摘要鍋爐二次風道為有內置阻力件的一組並聯大口徑短通道，其阻力系數嚴重偏小而且風門渦流強烈，從而造成二次風強烈脈動。
  13. With the sample of longitudinal motion equation, calculating hydrodynamic coefficients by the potential fluid theory is introduced

    並以其縱向運動方程為例，詳細介紹了用勢流理論求解水動力系數的方法。
  14. Gives a calculation formula of the absolute error of specific frictional head losses

    給出了湍流區沿程阻力系數絕對誤差的計算式。
  15. The main contents are as follows : ( l ) through theoretic analysis and flume experiments, the characteristic of water resistance through frames is researched, and transforms relation between resistance coefficients and manning ' s roughness coefficients is established, and then experiential formula of manning ' s roughness coefficients is fitted

    主要研究內容如下： （ 1 ）通過理論分析和水槽試驗，研究了穿越四面體框架群水流阻力系數的變化規律，建立了阻力系數與框架群等效曼寧糙率系數的轉換關系，擬合出了糙率的經驗計算公式。
  16. The result show that the position of free surface is higher because of frusta of brake, especial obvious in the head of frusta of brake ; flux coefficient and pressure on dam are quite influenced by type of frusta and 3 a type frusta of brake relative to 2 type frusta of brake has bigger flux coefficient and smaller pressure on dam ; obvious influence of ability of discharge flow for different ratio of thickness of frusta and breadth of brake and pressure on dam reduces with increasing ration of thickness of frusta and breadth of brake, while bigger flux coefficient is obtained when tlb = 0. 2

    結果表明，閘墩河海大學博士論文的存在抬高了水面線的位置，其中在閘墩頭部尤其明顯;墩型對流量系數和壩面壓力影響較大， 3a型閘墩相對於2型閘墩具有更大的流量系數和更小的壩面壓力:不同的墩厚閘寬比t / b對泄流能力也將產生顯著的影響，隨著墩厚閘寬比的增加，壩面壓力降低，而當t / b二0 . 2時溢流壩具有更大的流量系數。
  17. Increasing suction rate or flow reynolds number can increase pressure coefficients, but the existence of ribs lead to decrease of pressure coefficients. the higher the ribs, the lower the pressure coefficients

    出流比和雷諾數的增大都有使壓力系數增大的趨勢，而肋則使壓力系數降低，肋高增大，壓力系數降低的幅度越大。
  18. The measurements of discharge coefficients and pressure coefficients along the models with aspect ratios of 0. 5, 1. 0 and 2. 0 were carried out under various aerodynamic and geometric parameters ( reynolds numbers : 20000, 40000, 60000, 80000 ; suction rates : 0. 3, 0. 45 and 0. 6 ; rib angles : 45, 60, 90, 120 ; rib height - to - width ratio h / e : 1. 0 and 2. 0 ; film hole location : middle of ribs. upstream of ribs and downstream of ribs ). based on the abundant experimental data and figures, rules of discharge coefficients and pressure coefficients in dependence of geometric and aerodynamic parameters were given out

    根據實驗課題的要求，在寬高比分別為1 . 0 、 2 . 0和0 . 5的內流冷卻通道里，在不同的氣動和幾何參數（雷諾數re分別為20000 、 40000 、 60000 、 80000 ，出流比sr為0 . 3 、 0 . 45和0 . 6 ，肋角分別為45 、 60 、 90 、 120 ，肋高h e分別為1 . 0和2 . 0 ，孔位分別為肋中間、肋下游和肋上游）的情況下，對流量系數和壓力系數以及流場進行了實驗研究，獲得了大量的實驗數據和圖形，較為詳細地給出了流量系數和壓力系數隨不同氣動參數和幾何參數而變化的規律。
  19. On the other hand, the hydraulic performance of the hole, including flow rate coefficient and uniformity of flow rate, have been tested as standards to evaluate the quality of holes punched by laser drilling machine with much better results than that punched by mechanical drilling machine. the shape of holes taken by a microscope photograph can also give detail and well explanations for this test results

    對噴孔水力學性能的試驗研究表明，本文提出的用噴孔水力學性能指標（流量系數和流量變異系數）來評價微噴帶激光打孔機質量的方法是可行的，並證明微噴帶激光打孔機的質量明顯優于機械打孔的質量，用顯微鏡觀察噴孔的形狀的照片也同樣證明了這一點。
  20. Compared with the rudder control system, the paper introduced the character of the jet control system. then the matlab was used to reveal the relation between the control force coefficient and the deviation of the missile

    與空氣舵控制方式進行比較，說明了噴流控制力系統的特徵，利用matlab模擬模擬出兩個通道的控制力系數和偏差信號之間的關系。
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