滴流性能 的英文怎麼說
中文拼音 [dīliúxìngnéng]
滴流性能
英文
driperformance-
The structure of air - blast pipe was improved on. an orienting object was installed based on theoretical analysis, that increase the spraying span. it has been found that both spraying span and droplets uniformity improved, by installing the orienting object. according to the results of a great number of experiments, orderliness of droplets diameter along the spraying span was researched, and rational spraying span of air - assisted sprayer was suggested
通過試驗檢驗噴霧機樣機的噴霧性能，並提出對各項參數的優化設計方案。通過正交試驗和對比試驗對霧滴取樣，證明導流器的安裝不僅增加了噴幅，而且還提高了霧滴均勻性系數。根據大量試驗的結果分析，找出了霧滴直徑在噴幅方向上所呈現的變化規律，並提出了合理的噴幅范圍。It was found : 1 ) the film restrained evaporation surface intensity and had obvious function of rising and keeping moisture, 2 ) the drip irrigation could supply water according to growing requirement and augment of water conflux intensity around crop root, it also had strongly controllable operation and wasted fewer water
覆膜抑制了土壤表面的蒸發面匯，具有明顯的提墑保墑作用，滴灌能隨時根據作物生長需要及作物根系匯流強度的增大而補充匯流源，可控性很強，水的浪費率很低。Through the special studies on impacts to atomizing and humidifying effect from such factors as the firing pin type, centrifugal structure, higher spraying pressure, less aperture, initial water temperature and original state of the air, some conclusions are obtained, such as : the centrifugal nozzle with firing pin type, high pressure and little aperture has bigger air eddy and atomizing angle. the spaying liquid has high velocity. the droplet is small, and the heat and mass transfer velocity is high
通過對撞針型結構、離心式結構、較高的噴水壓力、較小的噴嘴孔徑、噴水初溫及待加濕空氣初狀態對霧化加濕效果的作用原理的重點分析，得到：撞針型高壓小孔徑離心式噴嘴具有較大的空氣渦與霧化角，噴出的液體流速高、液滴小、水與空氣傳熱傳質速率高，撞針型結構提高了霧化加濕效率，高壓小孔徑的特點為霧化加濕提供了較大的能量，而噴水初溫的升高會減小水的粘性力和表面張力，從而優化加濕效果。According to the experimental data of droplet size 、 particle spectrum range 、 droplet cone shape 、 flow rate 、 cover area and cover area rate which obtained through changing the pressure of power sprayer and the nozzle diameter in greenhouse ， this paper made comparative analysis on atomizing performance in same pressure and different nozzle type between same nozzle type and different pressure. the conclusion is that : the ejection rate and the droplet cone shape change with the variation of pressure and nozzle diameter ， average particle diameter decreases obviously and particle quantity increases obviously with the increase of pressure and decrease of nozzle diameter. these results will lay experimental foundation for precise spraying 、 low pollution and highly effective operation
本文根據溫室內動力噴霧機壓力與噴嘴孔徑的變化影響霧滴大小、粒譜范圍、霧錐形狀、流量、覆蓋面積及覆蓋面積率的試驗數據，對相同壓力下不同噴嘴型號和相同噴嘴型號時壓力不同時的微粒化性能進行對比分析和研究，得到如下結論噴出量與霧錐形狀隨著壓力和噴嘴孔徑大小變化而變化；平均粒徑隨著壓力的增加和噴嘴孔徑的減小而明顯減小；粒數隨著壓力的增加和噴嘴孔徑的減小而明顯增多，為精噴量、低污染、高防效的防除作業奠定了實驗基礎。( 3 ) quadrature experiment consisted of four experimental factors including dental angle, space between dental structure, dental height and the depth of flow passage of dentate, any one of which has four different values. how these dental structural parameters affected hydraulic performance of dentate emitters was studied
（ 3 ）以齒形流道結構中齒角度、齒間距、齒高、流道深度為實驗因素，每個因素選用4個水平，進行正交實驗，研究了齒形流道結構參數對滴頭水力性能的影響。The dehydration time is square of the droplets diameter so the small diameters of the droplets can cut down the drying time then reduce the height of the drying chamber. to the combined spin - flow pressure spray drying, the diameters of droplets are small and the dehydration rate is higher so keeping the qualities of the dried products we can increase the speed of the inlet wind and reduce the temperature of the outlet wind thus can improve the evaporation intensity of the drying chamber and the average energy utilization of the drying equipment
因霧滴的脫水時間與其直徑的平方成正比，減小液滴直徑有利於縮短乾燥脫水時間，可有效降低乾燥塔的高度；由於旋流式組合壓力噴嘴霧化滴徑的減小，脫水速度明顯加快，在不影響乾燥物料性質的前提下，適當提高進風溫度，同時有效地降低排氣溫度，有利於提高幹燥塔的蒸發強度，也有利於提高幹燥設備的平均能源利用率。Torsion spring checks shall have reversible elastomer discs and in operation produce drip tight closure against reverse flow caused by backpressure or backsiphonage
扭力彈簧止回閥應該配置雙向合成橡膠閥瓣，並且在工作時對于反壓力和反虹吸所產生的迴流具有防滴漏關閉性能。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。3. testing all the hydraulic parameters of the sprinkler installed with adjuster such as working pressure, water flux, the range of the sprinkler, intensity of water drop impact, characteristic of water distribution, etc. according to the testing data, we can learn the quantitative relations among the structure of the adjuster, working pressure, diameter of the nozzle, elevation of sprinkler, wind power, velocity of rotation and the range of water
測試安裝「壓力調節器」后的噴頭的水力性能參數，即工作壓力、流量、射程、水滴的打擊強度、噴灑水分佈特性等。依據所測得的噴頭水力性能參數和射程數據，我們可較清楚的了解「壓力調節器」的結構形式、工作壓力、噴嘴直徑、噴射仰角、風力、旋轉速度和噴頭射程之間的定量關系。Furthermore, the relationship among flow passage width, flow rate of emitters and anti - clogging ability of dentate emitters was analyzed
此外，還分析了流道寬度、滴頭流量與齒形滴頭抗堵塞性能之間的內在關系。On the basis of consulting a large number of literatures domestic and aboard, the present situation and latest development of hydrodynamic characteristics of overland flow and slope erosion dynamic process were reviewed. aiming at revealing the effect of rainfall splash intensity on hydrodynamic features of sheet flow and slope erosion, with a combination of runoff experiment and simulated rainfall experiment with a fixed intensity, applying hydrodynamic and erosive theory, the effect of rainfall on overland flow velocity and the influence of rainfall splash intensity on hydrodynamic features ( such as velocity, flow depth, flow patterns, resistance ) of sheet flow on slope and the influence of rainfall splash intensity on the overland flow sediment contain was researched
本文在查閱了大量國內外文獻資料，全面了解了坡面流水動力學特性及坡面侵蝕動力過程等方面的研究現狀及最新進展的基礎上，以揭示雨滴打擊動能對坡面薄層水流水動力學特性及坡面侵蝕的影響為目標，採用水槽放水試驗和定雨強模擬試驗相結合的方法，運用水動力學與侵蝕理論，研究了降雨對坡面薄層水流流速的影響，雨滴打擊強度對坡面薄層水流流速、水深、流態、阻力等水動力學參數的影響，雨滴擊濺作用對坡面流泥沙含量的影響。This article has a particular research on three kind of gas / liquid coaxial nozzles for their flow performance and atomization performance under cold - flow - simulated experiment with the supply of laser doppler technology, and the measurement of the drop parameter and combustion performance under normal pressure and burning condition
本文應用激光多普勒技術對三種氣液同軸模型噴嘴的流量特性和霧化特性進行了冷流模擬實驗研究，並在常壓燃燒條件下對其噴霧流的液滴參數和燃燒性能進行了實驗測量。( 2 ) hydraulic performance of seven typical emitters forms were studied under different flow passage length respectively through experiments. the exponent of flow state of these emitters was compared
（ 2 ）對7種典型流道結構形式的滴頭分別在不同流道長度下的水力性能進行了研究。Under the same working pressure and flow rate, the flow passage length and cross - section area of the seven different emitters were compared. according to those results, the anti - clogging ability of emitters was analyzed and several good structural form of flow passage were obtained. in addition, regression model describing the relationship among flow rate, the length of flow passage and work pressure was set up
比較了不同結構形式滴頭的流態指數和相同工作壓力和流量下的流道長度與流道截面積，分析了其抗堵塞性能，得出了較佳的幾種流道結構，並建立了描述滴頭流量與工作壓力及流道長度之間關系的函數模型。分享友人