flow piston 中文意思是什麼

flow piston 解釋
流動平面
  • 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、...
  • piston : n. 1. 【機械工程】活塞。2. 【音樂】（管樂器的）直升式活塞。
  1. When the governing valve was series - connected on the return oil - line in the metering - out control system, under the same flow area and the same adjusted pressure of relief valve, with the incremental quantity of step load, the pressure highly - adjusted capacity of the hydraulic cylinder chamber with piston - rod increased, meanwhile, it ' s time of rise, time to peak and the governing time all increased. at the same time, the pressure highly - adjusted capacity of the hydraulic cylinder chamber without piston - rod increased

    當出口節流調速系統的回油路上串接調速閥時，隨階躍負載的增加，在相同流量閥開度、相同溢流閥調節壓力的情況下，液壓缸有桿腔壓力p _ 2 （ t ）的超調量是增加的，上升時間、峰值時間以及調整時間也是增加的；液壓缸無桿腔壓力p _ 1 （ t ）的超調量是增加的。
  2. Thirdly, it simulated the pumping circuit & dividing circuit with the widely used software matlab / simulink. the displacement of the rod piston and the impact of hydraulic are analyzed in the different input flow ( frequency of pump ) and different reversing time. it found out the cause of hydraulic impact ( one - to - one incorrespondence between the response time of dividing circuit and the operation time of rod piston ), and gave some methods to weaken hydraulic impact. in the final part of the paper, the reliability of the theory analysis is further verified by the experiment of hydraulic system

    首先在流變學原理的基礎上，深入分析混凝土在輸送管道內的流動狀態，得出混凝土泵的負載特性方程；然後根據功率鍵合圖的建模方法，建立泵送迴路和分配迴路的數學模型，並運用模擬軟體matlab simulink對泵送和分配迴路模型進行了模擬，分析了在不同的輸入流量（泵送頻率）和換向時間下，活塞桿的位移和系統的液壓沖擊情況，找到了引起液壓沖擊的根本原因（即分配迴路的響應時間（固定值）與活塞桿的運動時間（變化值）不相匹配） ，並提出了相應的改進方法。
  3. According to the control rod hydraulic drive mechanism ( crhdm ) and the characteristics of its hydraulic cylinder seal structure, the leaking ways of the hydraulic cylinder piston ring seal were analysed, its theoretical calculation model was built and its flow resistance formula based on the calculation model of differential pressure at the hydraulic cylinder piston ring seal was deduced

    摘要根據控制棒水壓驅動機構水壓缸活塞環密封結構的特點，分析了水壓缸活塞環的泄漏途徑，建立了活塞環密封泄漏流阻的理論計算模型，並結合水壓缸活塞環密封處的壓差計算模型，推導出水壓缸密封結構的流阻計算公式。
  4. When pump is applied force downward and moves, the lower check valve is closed, the fluid in the pump is extruded and charges upward out of upper check valve, then flows into upper pump chamber, because that the piston has volume, some fluid flow out of outlet due to the reduce of spatial fluid volume in upper pump chamber

    當泵的柱塞受力向下移動時，下止回閥關閉，泵中的液體受擠壓而向上沖開上止回閥而流入上泵室中，由於柱塞本身佔有體積，部分的流體因上泵室內空間流體積的減少而自出口端流出。
  5. Step with bavaria fluidtec gmbh by telephone : by + 49 8141 61 18 - 0, if it concerns prices to the high - quality offers like fluid technology, centrifugal pumps as well as flow measuring devices, fluid pumps or also like pumps, oscillating piston pumps and solenoid valves

    Bavaria fluidtec gmbh是一家現代化、值得信賴的專門產品供應商，該供應商從事流量測量儀表，葉輪泵、離心泵、旋轉泵，磁閥門，泵，液體泵，流體技術的製造和銷售。
  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 derivation of the leakage flow rate formula of the special annular clearance between the piston and cylinder under condition of variable viscosity in the axial piston pumps was carried out. at same time, considering the questions of the eccentricity and the variable sealing length of piston friction pair, the modified coefficient of the calculation formula of the flow - rate of the leakage was given

    在變粘度、柱塞偏心以及變密封長度條件下，對軸向柱塞泵中柱塞與缸孔之間的特殊圓環縫隙的泄漏流量公式進行推導，得到了該計算公式的修正系數； 6
  8. In order to overcome the disadvantages of servo valves and the spool valves, the fast hydraulic system controlled by the fast on - off valve is researched which uses the on - off valves as the pilot valves. they are used to control the opening and closing of the logic valves, thus they can control the pressure and the flow. so they can control the movement direction and the velocity of the piston

    為了克服伺服閥和滑閥的不足，本文所研究的基於快速開關閥的快速液壓系統採用快速開關閥作先導閥，控制邏輯閥的開啟和關閉，從而控制液流的通斷和壓力的高低、流量的大小，以實現對活塞運動方向、速度的控制。
  9. It makes with large diameter, logic valves and precise flow control valves, high specification piston accumulators. rigid triple tie rod connection between injection unit and locking mechanism enables maximum transmission of shot force

    壓射系統採用大流量插裝閥及精密流量控制閥，提供了精確的一速二速及增壓三階段壓射系統，動作準確穩定。
  10. It drew the failure analysis flow sheet of hydraulic axial pump, calculated temperature increase of hydraulic system, and finished the test of hydraulic axial piston double pump. at last. through the discussion about daily maintenance & management methods and repair of hydraulic axial piston pump, it introduced the management system & contents for our corporation

    論文結合上述問題，詳細介紹了液壓系統故障分析方法，液壓系統故障分類和故障特性，建立了液壓軸向柱塞泵的故障分析流程圖，計算液壓系統的溫升與液壓泵功率損耗之間關系，並對工程機械用雙朕軸向柱塞泵進行了實驗。
  11. Using the engineering methods of supersonic and hypersonic flow or local piston theory developed in this paper to compute unsteady aerodynamic loads, and coupling structural equations, the supersonic or hypersonic aeroelasticity with a typical servo system under thermal environment is simulated in time - domain

    運用超音速、高超音速氣動力工程計算方法和本文發展的當地流活塞理論計算非定常氣動力，耦合結構運動方程，實現了熱環境中帶有伺服機構的氣動彈性的時域模擬。
  12. Accorded to the experimental research, under different flow area of flow valve and different adjusted pressure of relief valve, conclusion that the regulation of the pressure p1, p2 in the two cylinder chambers varied with the change of step load were as follows : when the throttle valve was series - connected on the return oil - line in the metering - out control system, under the same flow area and the same adjusted pressure of relief valve, with the incremental quantity of step load, the pressure highly - adjusted capacity of the hydraulic cylinder chamber with piston - rod decreased, meanwhile, it ' s time of rise, time to peak and the governing time all decreased. while the pressure highly - adjusted capacity of the hydraulic cylinder chamber without piston - rod increased

    通過試驗研究得出系統在不同的流量閥開度、不同溢流閥調節壓力（進口壓力）下，液壓缸兩腔壓力p _ 1 、 p _ 2隨階躍負載變化的規律：當出口節流調速系統的回油路上串接節流閥時，隨階躍負載的增加，在相同流量閥開度、相同溢流閥調節壓力的情況下，液壓缸有桿腔壓力p _ 2 （ t ）的超調量是減小的，上升時間、峰值時間以及調整時間也是減小的；液壓缸無桿腔壓力p _ 1 （ t ）的超調量是增加的。
  13. First, the difference between the stm and utm is compared and analyzed. the results show that it can accurately simulate the unsteady flow process of piston wind and the pollutant distribution in tunnel after train left the tunnel, can analyze and calculate the good effect of inertial action of piston wind if using utm

    文中首先分析和比較了傳統隧道通風設計所採用的恆定流理論與非恆定流理論的差別，表明運用非恆定流理論不僅更能準確模擬隧道內活塞風的非恆定流動過程，而且能模擬列車通過隧道過程中隧道內污染物濃度的分佈，同時還能考慮利用隧道內氣流（活塞風）慣性作用促進隧道通風，節約通風能耗。
  14. Through a rotary pressure oil duct between the bearings the oil flow is reversible between the piston sides by means of a mechanical servo - valve

    流經軸承之間的旋轉壓力油管的油流向可以通過機械伺服閥實現逆轉。
  15. A cornstarch - water slurry was driven by a pulsatile pump through tubing to simulate the blood flow within the heart, and the tubing was cyclically moved by a piston to simulate the heart motion

    結果在模擬心臟運動作用下，原來的模擬血流波形已不存在，代之以模擬心臟運動和模擬血流按速度矢量相加規律所組成的復合波，而模擬心臟運動所產生的多普勒頻移信號的振幅和頻率都未改變且與上述血流信號並存於頻譜中。
  16. The balanceable piston theory and perfect gas model are used as building block to design tunnel, and the resulting tunnel can generate uniform flow, which can provide long experimental time with high mach number, given enthalpy and reynolds number, thus, the scramjet and ramjet aircraft can be studied in this tunnel

    採用理想的平衡活塞運行理論和完全氣體模型，該風洞可以產生高馬赫數、一定焓值和re數、實驗時間較長的均勻流動，滿足超燃、亞燃現象的研究。
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