flow-rate measurement 中文意思是什麼

flow-rate measurement 解釋
流率測量
  • 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、...
  • rate : n 1 比率，率；速度，進度；程度；（鐘的快慢）差率。2 價格；行市，行情；估價，評價；費，費用，運費...
  • measurement : n. 1. 測量，計量，量度。2. 份量，尺寸，大小，寬度，厚度，深度（等）。3. 測量法。 measurement goods （按體積、容積計算的）體積貨物。
  1. So anew type of measurement and instrumentation is badly needed and developed which is suitable for non - centralized and stationary measurement based on this idea, this study take the new type of oilavater two - phase flow measurement and instrumentation development as the basic goal, cany out some theoretic exploration of measurement in order to improve oil / water two - phase flow well logging method and technique, and try to accomplish bom holdup and total flow rate measurement with one equipment simultaneously so as to push forward development of oilavater two - phase flow well logging

    本文正是基於這一思想，以開發新的油水兩相流測試儀器為目標，進行先期的測量理論探索，試圖從原理上改進油水兩相流測井方法和工藝，實現利用同種電學敏感原理同時完成持率和總流量的測量，推動油水兩相流測井技術的發展。
  2. To measure the parameters of gas / solid two - phase flow has a very vital significance in the industrial production and scientific research. electrostatic sensor combining with the relevant signal processing technology provides effective solution to realize the on - line measurement on the mass flow rate of the solid paniculate, so it has high research and development value

    氣固兩相流參數測量在工業生產和科學研究中具有重要的意義，靜電傳感器結合相應的信號處理技術為實現固體顆粒的在線質量流量測量提供了有效的解決辦法，具有很高的研究與應用價值。
  3. At the same time, combining the electrostatic measurement principle and the actual working conditions of pneumatic pipelines, the author puts forward the design principle in theory and finishes the devising, executing, debugging, experimenting and analyzing the experiment phenomena and results, testing the feasibility of the electrostatic sensor to be used in the measurement on the mass flow rate of the coal paniculate. furthermore, with the debugging and experimenting of the system, the author improves the electrostatic sensor and its signal collecting system gradually according to the problems, and makes the performance of the system to be enhanced remarkably

    同時，作者結合靜電測量原理以及氣力輸送管道的實際工況，從理論上提出了靜電傳感器的設計依據，完成了靜電傳感器及其信號採集系統的設計、製作、安裝、調試和實驗，分析了實驗現象和結果，驗證了靜電傳感器用於煤粉質量流量測量的可行性，並且通過系統調試和實驗，針對發現的問題對靜電傳感器及其信號採集系統不斷地進行了改進，使其性能有了顯著地提高。
  4. To provide necessary data for design bypass pipe, an enlargement to bi liu river reservoir, the following problems have been studied by hydraulic model and theoretical analysis : the energy losses in water head of the bypass pipe system and of the flow - control valve and their scale effects, measurement and calculation of the discharge of the bypass pipe system during the bypass pipe system operation with and without the new water power station, the hydraulic characteristics of the water tunnel and draw - off pipe, the flow rate of the aqueduct bridge and the draw - off pipe and the water elevation of the flow in the aqueduct bridge during the old water power station operation with and without the new water power station

    大連市碧流河水庫供水工程取水頭部由引水渡槽、節制閘、進水閘、泄水閘等建築物組成。由於本工程場地條件限制，增設旁通管后布置非常緊湊，管道急轉角度大且轉彎距離較小，對于管內水流流態是否滿足要求，需要經過模型試驗進行論證，以確保工程的可靠性。旁通管具有上水與泄水要求，對其過流能力也要經試驗確定，為碧流河水庫增建旁通管設計提供依據。
  5. Highways winter maintenance plant and highways side equipment maintenance - deicing agent sprayer - fixed station test method for flow rate measurement

    高速公路冬季維修設備和高速路路邊設備維修.除冰劑噴灑機.流率測量固定站試驗方法
  6. This theoretic model employs the basic idea of correlation measurement, achieve the density wave speed by the correlation of the signals of upper and lower sensors, and get the total flow rate and water cut through the theoretic relationship of density wave speed and total flow rate as well as holdup with the help of drift flux model so as to accomplish the oil / water two - phase flow measurement at last, using the limited available experiment data, the theoretic model has been simplified into an applicable linear alternative which is suitable to homogeneous oil / water two - phase flow measurement to accomplish the oil / water two - phase flow measurement using the density wave phenomena is of highly theoretically valuable for density wave theory research as well as oilavater two - phase flow measurement research. to develop new type oil / water two - phase flow instrumentation based on this theoretic measurement method will be very applicable and promising

    在此基礎上，針對穩態密度波理論提出了基於密度波理論的油水兩相流測量理論模型，該模型以密度波傳播理論作為基礎，通過上下游傳感器信號相關獲得密度波傳播速度，利用密度波傳播速度與總流量以及持相率的理論關系結合漂移模型來求解總流量和含相率，實現油水兩相流的測量，在理論分析的基礎上，在實驗資料有限的條件下，對基於密度波理論的油水兩相流測量理論模型作了極限的簡化，提出了本文油水兩相流測量理論方法應用在測量均勻油水兩相流中的實用線性模型。
  7. Measurement of water flow rate in closed conduits. tracer methods. part iii : constant rate injection method using radioactive tracers

    密封管道中水流速的測定.示蹤法.第3部分：放射性示蹤器恆流速噴射法
  8. Road construction and maintenance equipment. continuous batching equipment for products in powder form. test bench and method of flow rate measurement

    道路建造和保養設備.粉末狀製品用連續式分批配料設備.流率測量試驗臺和方法
  9. The measurement of oil / water two - phase flow is primarily accomplished by the combination of total flow rate and holdup measurement, and at present, the rotator flowmeter is used to measure the total flow rate. since the rotator flowmeter has movable parts, which makes its responsibility behave nonlinearly under poor environment of me under hole whose fluids have very complex and changeful characteristics and affects the measurement precision. what ' s more, the widely used centralized measurement instrumentation meets problems in oil wells characterized with high production or high water cuts

    通常油水兩相流測量主要是通過總流量和持率的測量組合來完成的，目前在總流量的測量中主要使用的是渦輪流量計，由於渦輪流量計具有可動部件使其在流體特性復雜多變的惡劣井條件下的響應呈非線性變化規律，影響測量精度，此外，普遍採用的集流型測試儀器在高產井及含水率高的油井中使用也遇到困難，為此，一種新型的適合非集流型點測的測試方法和測試儀器亟待發展和推廣。
  10. This paper was detailed to introduce the measurement of main exhaust composition from marine diesel engine. at the same time, this paper discusses the computational method to get exhaust mass flow rate by carbon balance method and carbon / oxygen balance method

    本文詳細介紹了船用柴油機排氣中各主要成分的測量方法，同時討論了用碳平衡和碳氧平衡法計算排氣質量流量的過程並編寫了相關的計算程序。
  11. Much works has been distributed to the development of a vacuum system to simulate the outer space and a measurement system to test the arcjet performance. ignition experiments in various operational modes have been done with argon as propellant. macroscopical working parameters including thrust, mass flow rate, voltage, current, inlet pressure and vacuity are obtained by the test measurement system and actual performance parameters including specific impulse, thrust efficiency, ratio of thrust and power and ratio of power and mass flow are calculated

    以氬氣作為推進劑，在不同工況下進行點火實驗，測量獲得了其工作推力、電弧電壓和電流、推進劑流率和弧室壓力等宏觀參數，得到了不同實驗條件下其工作的實際比沖、推力效率、推力/功率比以及比功率等性能參數，分析了推進劑質量流率、電弧功率、電弧加熱發動機電弧室結構尺寸等因素對其性能的影響，為數值模擬研究和實際的低功率電弧加熱發動機優化設計及研製提供了實驗基礎。
  12. Standard test method for volumetric and mass flow rate measurement in a duct using tracer gas dilution

    用示蹤氣體稀釋法測量管道中體積和質量流量率的標準試驗方法
  13. With the experiment, the author believes that electrostatic transducer technology has several characteristics as the new means of mass flow rate measurement technique : its structure design is very novel and can be prone to be installed, it is more suitable for the measurement on the mass flow rate of the coal particulate in larger caliber pipelines and has higher delicacy in the measurement on both dilute and dense phases

    通過實驗，作者認為靜電傳感技術作為一種新興的質量流量測量技術具有以下特點：靜電傳感器結構設計新穎，易於安裝，適合於大口徑管道中煤粉顆粒的質量流量測量，對稀相及濃相測試均具有較高的靈敏度。
  14. An on - line minimum - variance estimator was developed for thrust acceleration applied to orbit transfer using discrete - time radar measurements. the mass - flow - rate of propellant was selected as a state variant, which was estimated by employing an integral state model and ekf filter. the variation equations for measurement vector to mass - flow - rate have been established to linearize the discrete - time measurement equations. the algorithm has applied successfully to maneuver process in commanding satellite into geo - stationary orbit. the results show that the algorithm developed here can monitor and determine whether engine works well or failure precisely and quickly during orbit transfer process

    飛行器軌道機動過程中，為跟蹤、定位機動目標和干預機動控制過程，需要統計處理離散的雷達觀測量實時估計推進發動機的推力，進而確定飛行器的瞬時軌道參數.本文所述演算法是該工程問題的探討和解決方案.文章建立了軌道機動過程中連續變質量運動模型和離散雷達量測模型，推進發動機的質量秒耗量作為表徵推力加速度的一個近似常量，應用擴展卡爾曼濾波對離散的雷達測量數據進行順序統計處理給出秒耗量的最小方差估計;文章詳細地推導了線性化量測模型的變分方程和觀測矩陣;模擬結果表明該演算法能快速、準確地估計推進發動機的質量秒耗量和向機動目標施加的實際推力
  15. Experimental studies on measurement of flow - rate based on maximum velocity on circular cross - section

    用圓管中最大流速測量流量的實驗研究
  16. In this paper theoretical and experimental studies are carried out on cross correlation techniques using electrical capacitance sensors applied to non - intrusive restrictive velocity and mass flow rate measurement in a cyclone separator. the mass flow rate is determined from two parameters, namely the solids velocity and the volumetric concentration

    本文同時將電容層成象和相關技術結合，採用雙層電容傳感器測量了旋風分離器料腿中固體顆粒的斷面濃度分佈，同時得到了固體顆粒沿軸向和周向的二維速度。
  17. Regarding the lcm filling process as the newton fluid through fibrous reinforcements, the permeability of preform determines the saturating of resin in fiber, and has effects on the curing process and the quality of products. based on the darcy ' s law, the theoretical model of permeability measurement was established. and the influence of different testing methods and major process parameters such as fabric structure, fiber volume fraction, injection pressure, flow rate and resin viscosity on preform permeability were investigated in details

    文中首先根據達西定律建立了滲透率測量的理論模型，深入研究了不同的測試方法及主要工藝參數（纖維織物織構、纖維體積含量、充模壓力、流動速度、樹脂粘度）對滲透特性的影響規律，發現多孔介質增強材料的滲透率主要取決于纖維織物的結構形式，預成型體孔隙分佈及其體積分數、壓實性對滲透率有較大的影響，提高充模壓力和流動速度可以縮短充模時間，在一定程度上可以提高滲透率。
  18. Road construction and maintenance equipment. continuous batching. equipment for aggregates. test bench and method for flow rate measurement

    道路建造和維護設備.連續批量處理機.集料設備.流量比率測定的方法和試驗臺
  19. On the other hand, the electrostatic sensor has no reaction to the solid particulate accumulated in the pipeline, so the electrostatic sensor can obtain higher precision in the concentration measurement than other traditional mass flow rate measurement techniques

    另一方面，由於靜電傳感器對沉積在管道中固體顆粒不產生反應，因此，與其他傳統的質量流量測量技術相比，靜電傳感技術能夠在濃度測試方面達到更高的精度。
  20. Based on the practical measurement data that had gained on the equipment of continuous solid - state polycondensation, which has the output for pet industrial yam 10 kt / a, studies into influences of reaction temperature, residence time, purity and flow rate of circulating nitrogen on the reaction of solid - state polycondensation, discusses the production process of continuous solid - state polycondensation for terylene industrial yarn in detail

    摘要以已投產的年產萬噸級連續固相縮聚裝置生產工業絲級滌綸增黏切片實測的反應條件為依據，從原料切片、反應溫度、停留時間、循環氮氣純度及流量等因素對固相縮聚反應的影響，詳細地對連續固相縮聚生產工業絲級滌綸增黏切片的生產工藝加以探討。
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