流量壓力圖 的英文怎麼說

中文拼音 [liúliángyālìtú]
流量壓力圖 英文
flow pressure diagram
  • 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...
  • 量 : 量動1. （度量） measure 2. （估量） estimate; size up
  • 壓 : 壓構詞成分。
  • 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...
  • 圖 : Ⅰ名詞1 （繪畫表現出的形象; 圖畫） picture; chart; drawing; map 2 （計劃） plan; scheme; attempt 3...
  • 流量 : rate of flow; flow; runoff; discharge; throughput; （flow） rate; quantity （of flow）; flux
  1. The author takes consider of the aerial condensability. according to newton ’ s second law and gas equation, it is elicited to the gas pressure distributives in the drill pipe

    通過壓力分布圖可知，截面突變導致壓力發生突變，空氣流速在該處最低，因此，最小風量採用截面突變處風速計算。
  2. Fluid noise mainly comes from out put pulsation of rate of flow, the main reason of out put pulsation of rate of flow is the instant high pressure return flow that obturation cubage produced when the big round curve pressure transition. the v trough on the port plate can reduce the fluid noise. in this paper, the author based on the acting of dam a river and condensability of liquid and used matlab language as tool to calculate the v trough on the original port plate and drew out the p - t diagrammatic curve and analyzed its shortcoming and improved the design of original v trough and got that the best size of its angle was 12. 3 and its length was 5mm and the cross section was an equilateral triangle

    流體噪聲主要來源於輸出流量脈動，造成輸出流量脈動的主要原因是閉死容積在大圓弧段壓力切換時產生的瞬時高壓迴流，在配流盤上開設v型尖槽可降低因高壓迴流而引起的流體噪聲，本文以截流作用和液體的可壓縮性為理論依據，以matlab語言為工具，對原配流盤上的v型尖槽進行了理論計算，繪制出p - t圖線，分析了它的不足，並對原有v型尖槽進行了優化設計，得出了v型尖槽的最佳幾何尺寸：配流盤平面上的v型尖槽的兩邊的夾角為12 . 3 ，槽長5mm ，槽的橫截面為等邊三角形。
  3. 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。
  4. 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。
  5. Adopting method of graphical modeling and with help of object - oriented design thought, a set of graphical modeling softwares has been developed by using c #. net programming tool, the influence of fluid network ' s height difference upon the pressure - flow rate passage being considered, at the same time, the enthalpy - temperature passage being also added, thereby perfecting and expanding further the fluid network

    摘要採用圖形化建模方法，藉助面向對象的設計思想，使用c # . net編程工具開發了流體網路圖形建模軟體，該軟體對壓力流量通道考慮了流體網路高度差的影響，並增加了洽溫通道，從而對流體網路做了進一步完善和擴展。
  6. In the third chapter, the mathematical models of project system have been established, and simulation has been done on the simulink enviroment of matlab software kits. the simulation focus on the effects of main parameters on the dynamic characteristics of speed control system, and the main parameters include viscosity damp coefficient and friction torque of electrical motor shaft, internal leakage coefficient of pump / motor of hydraulic circuits, gas volume of pressure accumulator, viscosity damp coefficient of cylinder piston and different running building floors, etc. at last, theoretical research effects of the flow and pressure pulsation of pump / motor on car speed and oil volume leakage theory are discussed. the fourth chapter of this thesis concerns the research on the key items about hydraulic power control system according to the ens 1 - 2 and other hydraulic elevator standards

    論文第三章針對組成系統的各個模塊進行了機理建模，並且通過matlab軟體中的simulink圖形化模擬環境進行了本課題系統的模擬研究，主要針對影響系統特性的主要參數變化，動態分析系統的輸出特性，在上下行工況中，分析了電機軸系粘性阻尼系數、軸系摩擦力矩、主迴路蓄能器迴路液壓泵馬達內泄漏系數、蓄能器氣體容積、液壓缸柱塞粘性阻尼摩擦系數以及不同運行樓層工況等參數對系統特性的影響；最後對軸向柱塞泵馬達的流量壓力脈動對電梯轎廂速度的影響和蓄能器內油液體積損失機理進行了理論研究。
  7. 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。
  8. First, the working principles of the combustion control system of marine main boiler in present use and its disadvantages are discussed in the paper ; in the light of the structure and motion traits of marine main boiler, the combustion control systems of single and double cross amplitude limits are designed. at the same time, the schematic diagram of system and recovery curves of some relative parameters are given, the system working principles and its advantages and disadvantages are discussed. based on the combustion control system of dual - crisscross amplitude limit, by selecting the independent variable, the fixed offset is improved into variable offset, the combustion control system of variable offset dual - crisscross amplitude limit is designed

    首先討論了目前船用主鍋爐燃燒控制系統的工作原理及存在的不足；針對船用主鍋爐的結構及運行特點，設計了單交叉限幅燃燒控制系統和雙交叉限幅燃燒控制系統，同時給出了系統原理圖及有關參數的過渡過程曲線，討論了系統工作原理及優缺點；在雙交叉限幅燃燒控制系統的基礎上，將固定偏置經過自變量的選取，改進成變偏置，設計了變偏置雙交叉限幅燃燒控制系統，給出了系統原理圖及有關參數的過渡過程曲線，同時也給出了空氣壓力和燃油流量正負偏置函數與變偏置折線函數的關系式。
  9. Thirdly, geometry modeling of the pump was made and meshes were divided with gimbit, then the flow filed was investigated using flunt, a commercial available cfd code. as result, lots of internal flow filed of outlet of the gear pump was obtained, including velocity magnitude and pressure magnitude

    應用pro / e和gambit軟體對機油泵進行幾何建模並劃分網格，應用fluent軟體模擬多種工況下機油泵出口部分的三維湍流流動，得到詳盡的三維湍流場的分析結果，包括壓力分布圖、速度矢量分布圖等。
  10. The labyrinth - type emitter can be directly applied to irrigation experiment, the flow rate of 8 emitter prototypes are mensurated under 12 pressure values on the test - bad. moreover, experimental data are analyzed with multivariable linear regression in matlab, formulas of pressure versus flow and regression plots for 8 different emitters are induced from the regression analyses

    製作出的一體化滴頭原型直接連接到水力性能試驗臺上進行流量試驗，測定了12個壓力點下8種滴頭原型的出水量；應用matlab軟體中的多元線性回歸演算法對所得試驗數據進行了回歸分析，得出了8種滴頭的壓力流量公式和回歸曲線圖。
  11. For shutters, the results show : 1 ) according to the formula p =, the theoretical value of is calculated by the effective velocity of the flow, and its engineering value is calculated by the arriving velocity of the flow, the relationship between the theoretical value of and its engineering value is 2 ) the smaller value of declining angle will result in the smaller pressure loss and smaller outlet velocities. as a result, the declining angle of 30 擄 or less is recommended in some places which need small wind velocity, such as broadcasting studio and library, and the declining angle of 45 擄 or less is recommended in places which need big wind velocity, such as cinema and office ; 3 ) the larger value of ratio between the wide of the shutter b and the space between two boards h ( b / h ) will result in the larger pressure loss and smaller outlet velocities. the range of b / h from 0. 8 to 2. 0 and the optimum value 1. 2 is recommended ; 4 ) the range of b from 10 mm to 50 nun and the optimum value 40 mm is recommended ; 5 ) the proper thickness of the boards 8 of the shutters is 1. 5 mm ; 6 ) cuneiform boards should replace the rectangle inlet boards of the shutters in order to obtain better ventilation

    數值模擬採用fluent軟體，計算結果用excel進行處理，通過對大量數值工況進行數值模擬計算，結果表明：對于單側百葉風口，計算表明： 1 ）對于公式p = （ ~ 2 ） 2 ，的理論計算值中定義為流體流經百葉風口內部時的速度，即有效速度，而工程上常使用流體的來流速度來計算，計算表明，的理論計算值與工程應用值的關系為（ _ （理論） ） （ _ （工程） ） = 0 . 813 ； 2 ）當來流速度一定時，擋板傾斜角度越小，壓力損失越小、出口速度越小；因此在要求進口風速比較小的場所，如播音室、圖書館等，宜採用擋板角度30的百葉風口；在要求進口風速比較大的場所，如電影院、辦公室等，百葉擋板的角度應選45 ； 3 ）當來流速度一定時，百葉擋板的擋板寬度b與擋板間距h的比值b h越大，壓力損失越大，出口速度越小，計算表明，鑒于壓力損失、出口風速、板間形成渦流區的大小，百葉擋板的b h值取0 . 8到2 . 0之間， b h = 1 . 2為最佳值； 4 ）當來流速度一定時，在計算的條件下，當百葉擋板寬度b = 40mm時，百葉擋板的阻力系數最小，考慮到渦流區等的影響，建議選用10mm b 50mm的百葉擋板；西安建築科技大學碩士學位論文5 ）百葉擋板的厚度取為1 . sinln為好; 6 ）百葉擋板的入口側可選用具有傾斜度的楔形擋板來代替矩形擋板，利用其較好的導流作用，可得到更好的出流效果。
  12. The differential pressure across the pressure test points is measured and the flow rate calculated using the calibrated chart or flow coefficient table

    測量經過壓力測試點的壓差，並利用標準化圖表或流量系數表計算流動速率。
  13. This paper explored the micro pressure sensor that is used for the measurement of distributed pressure at the surface of smart - skin. firstly, established the surface pressure model according to the aerodynamic properties, defined the optical measurement system that based on intensity modulation principle, discussed the components of this system and theoretical analyzed its measurement theory in detail

    首先，根據空氣流動的基本規律給出機翼表面壓力分布圖，通過對光學式微型壓力傳感器的理論分析，採用強度調製法測量飛機機翼表面的壓力並建立基於此方法的光學測量系統模型，得到了壓力與敏感膜片變形以及光電轉換輸出能量之間的關系。
  14. Thirdly, cbt ' s characteristic of the strain v. s. the applied pressure is studied, on the basis of this, a new scheme of the straight bourdon tube ( sbt ) is presented, a sbt is designed and fabricated, and then the strain - pressure characteristics of both the cbt and sbt are measured experimentally using a strain measuring technique, a comparison between the cbt ' s and sbt ' s strain characteristics is also made. finally, theoretical models of a fbg fluid pressure sensing system scheme based on the bourdon tube are developed, and a fbg - based fluid pressure sensing system using the transverse strain - pressure characteristic of the sbt is designed and set up

    首先，詳細介紹了fbg的基本光學傳感特性，並測量了fbg的溫度、應變特性；其次，研究了c型彈簧管的位移?壓力特性，並利用ccd成像和計算機圖像處理技術對其進行了非接觸測量；再次，研究了c型彈簧管的應變?壓力特性，在此基礎上提出直彈簧管的設計方案，並製作了直彈簧管，採用應變測量技術對c型彈簧管和直彈簧管的應變?壓力特性分別進行了測量，對兩者的應變特性做了比較；最後，建立了基於彈簧管的fbg壓力傳感系統理論模型，設計完成了基於直彈簧管橫向應變?壓力特性的fbg流體壓力傳感系統。
  15. In the paper, the computational results of all models are obtained, including 3 - d velocity field, 3 - d pressure field, and six aerodynamic coefficients. the results have good agreement with wind tunnel test

    文中得出了客車外圍流場的速度矢量圖和壓力分布圖以及六個氣動力系數，並將最終結果與風洞試驗結果進行了比較，結果吻合較好。
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