噴嘴孔 的英文怎麼說
中文拼音 [pēnzuǐkǒng]
噴嘴孔
英文
nozzle bore-
This " paper mainly researches on the humidifying property of the centrifugal nozzle with firing pin type, high pressure and little aperture
課題主要對撞針型高壓小孔徑離心式噴嘴的霧化加濕性能進行研究。As to the work about theory analysis, at first, the paper describes the atomizing and humidifying process of the centrifugal nozzle with firing pin type, high pressure and little aperture and liquid physical properties. later, combining with the structure characters of this kind of nozzle, the paper studies on the theory of the atomizing and humidifying process by three phases, which is water film forming phase, water film falling into pieces phase, and heat and mass transfer between water and air phase in turn
理論工作方面，首先描述了撞針型高壓小孔徑離心式噴嘴的霧化加濕過程和液體的物理性質，然後結合撞針型高壓小孔徑離心式噴嘴的結構特點，將其霧化加濕過程分三個階段進行機理上的研究，這三個階段依次為液膜形成、液膜初次破碎及二次霧化、水與空氣的熱濕交換。Based on the theory analysis and experiment work, the paper studies the humidifying property of the centrifugal nozzle with firing pin type, high pressure and little aperture. compared with the traditional air washer, the high efficiency and energy saving character of this kind of nozzle is stood out
課題從理論和試驗兩方面分析研究了撞針型高壓小孔徑離心式噴嘴的霧化加濕性能，並將其與傳統噴水室加濕系統進行能耗比較，突出了撞針型高壓小孔徑離心式噴嘴高效節能的特點。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。Integrated the work on theory and experiment, the paper provides technical performance material at large about the automating and humidifying character of the centrifugal nozzle with firing pin type, high pressure and little aperture to the manufacture and user. with the valuable reference during the selecting the equipment and ascertaining the parameters, the users could select and control the humid parameter
課題的理論與試驗兩方面工作相結合，為撞針型高壓小孔徑離心式噴嘴的霧化加濕性能提供了較為詳細的技術性能資料，為生產廠家和用戶在設備選型和參數選擇過程中，提供了有價值的參考，便於用戶正確而經濟地選擇、控制濕度參數，有效調節噴嘴孔徑、噴水初溫和噴水壓力的大小。Abstract : at present, in continuous extrusion processing of micro - cellular plastics, the two pressure drop cell nucleation apparatus of the nozzle and gear pump are used
文摘:在連續微孔擠出加工中，當今採用噴嘴和齒輪泵兩種快速壓降成核裝置。In this paper, the two pressure drop cell nucleation apparatus are compared form the three aspects of micro - cellular structure, process capability and cost of manufacture
文中從微孔結構、加工能力和製造費用三個方面比較了在連續微孔擠出加工中的噴嘴和齒輪泵兩種壓降成核裝置Measurement of fluid flow by means of pressure differential devices - guidelines for specification of nozzles and orifice plates beyond the scope of iso 5167 - 1
用壓差裝置測量流體流量. iso 5167 - 1規定范圍之外的噴嘴和節流孔板規范指南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。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。When the water - air ratio increases, air ' s changing quantity of enthalpy and absolute humid will be enhanced. at last, the paper analyses the data from single factor experiment by mathematics method and gets relationship formulas about the nozzle flux, valid humidifying quantity and air ' s enthalpy changing quantity
最後，對上述單因素試驗得到的數據進行數學分析，運用線性回歸分析、多項式回歸分析和非線性回歸分析的數學方法，得到影響撞針型高壓小孔徑離心式噴嘴的噴嘴流量、有效加濕量和空氣焙變量的數學關系式。Studies the impact of nozzle aperture, initial temperature and pressure of spray water and initial air state on humidifying effects based on an orthogonal test
摘要通過正交試驗確定了噴嘴孔徑、噴水初溫、噴水壓力及空氣初狀態對加濕效果影響的顯著程度。Quantitatively analyses the concrete influences on atomizing humidifying performance of the nozzle aperture, initial temperature and the pressure of spray water and the water - air ratio through a single factor experiment
通過單因素試驗定量分析了噴嘴孔徑、噴水初溫、噴水壓力以及水氣比對霧化加濕的具體影響。Its atomized parcel is so small that no drip is separated out. this kind of centrifugal nozzle has high humidifying efficiency and low energy cost, which could be used in many situations in textile factories such as directly humidifying in workshop and humidifying in air pipeline
撞針型高壓小孔徑離心式噴嘴的霧化粒子細小、無水滴析出、加濕效率高、耗能少，可直接向車間加濕，適用於紡織廠等多種應用場合。As to the work about experiment study, at first, the paper makes certain the prominent affecting factors to the automating and humidifying property of this kind of nozzle by orthogonal experiment. by jicha analysis method and fangcha analysis method, the paper got that the nozzle aperture, the initial water temperature and the spraying pressure have prominent effect to the humidifying property while the effect of the original air state is small
試驗工作方面，首先通過正交試驗確定對撞針型高壓小孔徑離心式噴嘴霧化加濕性能影響顯著的因素，運用極差分析法和方差分析法，得到噴嘴孔徑、噴水初溫和噴水壓力對噴嘴的加濕性能影響顯著，而待加濕空氣初狀態的影響相對較小。Later, the paper ascertains how the prominent factors influence the humidifying effect by single factor experiment and got such solutions : when other situations do n ' t change, the nozzle flux will enhance with the increase of the nozzle aperture and spraying pressure. air ' s changing quantity of enthalpy and absolute humid, valid humidified quantity, humidifying efficiency and saturation efficiency will enhance with the increase of the initial water temperature. with the enhance of the praying pressure, the valid humidified quantity and air ' s changing quantity of enthalpy will increase first and decrease later, while the humidifying efficiency will drop
然後通過單因素試驗確定影響顯著的因素如何作用加濕效果，得到：在其他條件不變的情況下，噴嘴流量隨噴嘴孔徑和噴水壓力的升高而增大，空氣焓變量、絕對濕度差、有效加濕量、加濕效率及飽和效率隨噴水初溫的升高而提高，有效加濕量和空氣焓變量隨噴水壓力的升高先增加然後有所下降，而加濕效率隨噴水壓力的升高而下降，焓變量和絕對濕度差隨水氣比的增加而增大。Measurement of fluid flow by means of orifice plates, nozzles and venturi tubes inserted in circular cross - section conduits running full
流量測量節流裝置用孔板噴嘴和文丘里管測量充滿圓管的流體流量A perforated nozzle for spraying water from a hose or sprinkling can
蓮蓬式噴嘴一種使水從管子或噴水壺里噴灑出來的有孔的噴嘴Measurement of fluid flow in pipes using orifice, nozzle, and venturi - part 1 - general
用孔板噴嘴和文杜利流量計測量管道中液體流量.第1部分:總則According to the rheological properties of melted abs filament during extrusion from fdm ' s nozzle, on the basis of research on extruded filament section shape, the compensation model of ideal contour line is established, and a new technique for compensating inner or outer contour line of workpiece is put forward, which should depend on the real width of extruded filament ( instead of nozzle radius ) and the real dimensional shrinkage of workpiece
根據abs絲從噴頭擠出過程中的流變性能，在研究fdm工藝噴頭擠出絲截面形狀的基礎上，建立了理想輪廓線的補償模型，並提出了根據擠出絲實際寬度（而非噴嘴孔直徑）和零件尺寸實際收縮量補償零件內、外輪廓的新方法，驗證試驗結果表明該補償模型和補償方法正確可行。分享友人