nozzle diameter 中文意思是什麼

nozzle diameter 解釋
噴管直徑
  • nozzle : n. 管嘴;噴嘴;〈俚語〉鼻子。 a jet [propelling] nozzle 【火箭】尾噴管。
  • diameter : n. 1. 直徑。2. (顯微鏡等的)放大倍數。
  1. Based on this model, the effects of geometric and structural parameters, such as injection pressure, rear pressure, length - diameter ratio, inlet round angle - radius ratio and non - axis symmetry of nozzle, on the distribution of the cavitation inside the nozzle are analyzed

    基於這一模型進一步分析了噴射壓力、背壓和噴孔長徑比、噴孔入口圓角比、非軸對稱噴孔等幾何結構參數對噴孔內空穴分佈的影響。
  2. According to rigorous procedures, an experimental study was carried out to investigate the effects of jet exit velocity, flow direction, fluid subcooling and nozzle diameter on hysteresis of boiling heat transfer with impinging circular submerged jets of highly - wetting liquids

    摘要系統地研究了液體在圓形斷面噴嘴浸沒射流作用下沸騰熱滯后與射流沖擊速度大小、液體流動方向、液體過冷度和噴嘴直徑等因素的影響。
  3. Suction piping for all pumps shall have at least five ( 5 ) times the nominal pump suction flange diameter of straight pipe upstream of the suction nozzle

    所有水泵的吸水管道直徑至少應有5倍于吸入口的上升直水管段的額定邊緣直徑。
  4. The nozzle diameter and the ejection pressure have a great effect on the flow rate 、 droplet cone shape 、 droplet size and cover area of fluid pesticide

    噴嘴孔徑和噴出壓力在很大程度上影響著藥液的流量特性、霧錐形狀、霧滴大小和覆蓋面積。
  5. 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。
  6. The ratio of the diameter of nozzle to the diameter of vessel has greater effect on the distribution area of high stress in plastic deformation stage

    對于均處于塑性階段的結構而言,開孔率的大小對高應力區的分佈范圍影響較大。
  7. For small aperture ejection nozzle, especially to the p serial type that the center hole diameter is 4mm, its center hole and inner cone is always adopting imported numerical control machine to grind

    對于小孔徑的噴油嘴,特別是直徑為4mm的p系列噴油嘴的中孔座面的磨削,一直採用進口的數控磨床加工。
  8. The main achievements are as follows : 1 it ' s for the first time to extensively investigate effects of main combustion system parameters such as plunger diameter, plunger stroke, fuel delivery advanced angle, valve opening pressure of nozzle on performance of dme engine. the parameters are optimized

    取得的主要成果有: 1系統地研究了油泵柱塞直徑和行程、供油提前角、噴嘴啟噴壓力等發動機燃燒系統主要參數對二甲醚發動機性能的影響,優化了這些參數。
  9. The paper calculates and analyzes the influences of the initial pressure, the volume of the expansion chamber, and the throat diameter of the nozzle on the non - loaded performance of the circuit breaker, and presents the variation of the state parameters of the expansion volume and the flow field during interruption period, also predicts the nature of the self - extinguishing circuit breaker

    本文分析計算了起始壓力、膨脹室體積及噴口喉部直徑的變化對斷路器空載特性的影響,給出了斷路器膨脹室狀態參數及滅弧室內氣流場在斷路器開斷過程中的變化,得到了自能式sf _ 6斷路器固有的特性。
  10. Noise directivity of impinging jet from a small diameter axis ymmetric convergent nozzle on a large flat plate

    低速沖擊載荷下加筋板彈塑動力響應分析
  11. The results showed that the processing parameters ( such as laser power, the diameter of laser, scanning speed of laser beam, ratio of overlapping ) are important to acquire a perfect component. furthermore, in order to assure geometric properties ( accuracy, surface finish ), the structure of the off - axial powder nozzle was improved to avoid the oxidation of the molten pool. the density metal test sample of rene95 high - temperature alloy was made by lsf through optimizing the processing parameters

    本文對激光立體成形的工藝特性進行了深入系統的研究,發現如果要獲得理想的成形效果,就必須對成形過程中的工藝參數進行精密控制,例如激光功率、激光光斑大小、光束掃描速度、搭接率等;同時為了保證成形件有較高的尺寸精度和表面質量,必須對成形零件的氧化問題進行控制,通過改進側向送粉噴嘴的結構設計,成形件的表面氧化問題得到適度控制。
  12. Based on the analyses of the investment of nozzle tube net and relationship between the annual operation cost and tube diameter function of a fixed spray irrigation system, a mathematic model to calculate the economical tube diameter of a spray irrigation system is developed by using the minimum expense norm and nonlinear planning theory in engineering economic analysis, and a direct calculation formula for the economical tube diameter in unrestrained conditions is presented

    摘要在分析了固定式噴灌系統的管網投資、年運行費用與管徑函數關系的基礎上,利用工程經濟分析中費用最小化準則和非線性規劃理論,建立了求解噴灌系統管網經濟管徑的數學模型,並給出了無約束條件直接求解經濟管徑的計算式。
  13. Ratio of nozzle hole length nozzle diameter

    噴孔長徑比
  14. In order to study the pressure - swirl nozzle ' s atomization characteristic, the particle diameter distributions along axis of the nozzle have been measured by immerging

    摘要為了研究一種高壓靜電壓力旋轉噴嘴的霧化特性,採用浸入法測量了該噴嘴噴霧霧滴粒徑在噴嘴軸向的分佈狀況。
  15. It was found that the ultra - fine powder can flow smoothly in a spouted bed with a draft tube under some sorts of design parameter and operating condition, thus a new effective method to improve fluidization quality of the ultra - fine powders is obtained ; at higher supplied gas velocity, an increase in the solid circulation rate is observed ; the extent of the distance between the nozzle and the draft tube inlet result in the promotion of the solid circulation rate ; the solid circulation rate increase with increasing the draft tube diameter or the bed mass ; the gas bypassing is nearly zero in the present work ; and the solid flow in the annulus is observed as a moving bed

    結果表明:在一定的床層結構和操作條件下,超細粉可以在導向管噴動床中實現平穩流化,從而為改善超細粉的流化質量提供了一種有效的新方法;固體循環速率與噴動氣流量、導向管直徑、導向管底部與噴嘴出口間距以及床層裝填量成正比;氣體則基本上不存在「旁路」現象;環隙區中的顆粒流動表現為一移動床特徵。
  16. Analyzing the finished sprinkler products in our country and overseas, testing all sorts of sprinkler parameters ( elevation of sprinkler, diameter of the nozzle, working pressure, the range of water, uniformity of spray irrigation, intensity of spray irriga tion, the degree of atomization ) so as to compare with the new style sprinkler install with pressure adjuster

    對國內和國外的一些中壓噴頭成品進行分析、研究、測試取得實際的各項參數(噴射仰角、噴嘴直徑,工作壓力、射程、噴灌均勻度、噴灌強度、霧化程度)以便和安裝「壓力調節器」后的噴頭進行比較2
  17. 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。
  18. ( 2 ) base on the analysis of the atomizing principles of spray nozzle, mathematical model of combined spin - flow pressure spray drying was set up and the essential parameters such as spraying pressure, liquid quantity, temperature, spraying angle, inject distance, particle diameter and distribution, hollow diameter for several materials in normal conditions by experiment and ldv

    ( 2 )對旋流式組合壓力噴嘴噴射霧化機理加以分析,建立了旋流式噴嘴霧化的數學模型,採用冷態試驗法並藉助激光霧滴測試等實驗裝置對噴嘴的霧化參數(如霧化壓力、噴液量、料液溫度、霧化角、霧距、霧滴直徑和分佈以及噴嘴的空芯半徑等)進行測量和計算。
  19. The diameter of atomizing gas duct and liquid feedstock duct and their crossing angle are vital elements in the design of two phases atomizing nozzle

    在二相流霧化器的結構設計中,霧化氣輸送器件和液料輸送器件的管徑及其徑向夾角是其設計的關鍵。
  20. By orthogonal test, analyze the influence of such factors as nozzle diameter, vacuum degree and sowing speed on the performance specifications of the drill, identify them as primary and secondary, and work out the horizontal combination of the favorable factors

    通過正交試驗,分析出吸嘴孔徑、真空度和播種速度等因素對播種機工作性能指標的影響情況,得出因素影響的主次順序,找出較優因素水平組合。
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