nozzle aperture 中文意思是什麼
nozzle aperture
解釋
噴絲孔板-
The spray area of this series of nozzle is formed by one or several continuous hollow cone - shape rings of concentric circles. the nozzle aperture will not be blocked up. it is mainly used for flue elimination, cooling of steel - making convertor. and redistributing in all kinds of washing towers. it also can be used for jar cleaning. used in cooling tower and fire apparatus
該系列噴嘴的噴霧區域是由一個或幾個連續的同心圓空心錐環組合而成，不易阻塞，主要用於煉鋼轉爐煙道除塵降溫及各種洗滌塔里的再分佈，也可用於清洗罐、冷卻塔、消防設備中。 -
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。 -
However, the related research is rarely reported on the humidifying property of the centrifugal nozzle with firing pin type, high pressure and little aperture
但當前對該類型噴嘴加濕性能的相關研究還較少見諸報道。 -
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。 -
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。 -
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。 -
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。 -
At the last of the paper, by contrasting the performance of the reconstructed machine with importing machine, and measuring the produced workpiece, it finds that the rate of eligible production attain to 94 percent, and shows that the reconstructed machine is no less than the imported machine in performance, which supplies a gap on tooling small aperture ejection nozzle
本文最後對改造的機床與進口設備進行了對比，並對實際加工的零件進行了測試，產品合格率達到94 ，從而填補了國內高精度小孔徑噴油加工的空白。該項目的勝利完成。 -
Studies have shown, lead impeller nozzle it forms the hole to be equal to size of the nozzle, gush out from light, difficult to arrange bits and realize it cut one layer of advantages effectively ; under the equal condition, rotate the nozzle by oneself, can be designed in accordance with the actual need while vary the size of aperture of hole, gush out the distance longer effectively, it is apt to give play to the role of its pulse broken rock
以此設計出限速部分的參數，且初步討論射流功率與轉速之間的關系。研究表明，內導葉輪噴頭形成鉆孔孔徑與噴頭大小相當，有效噴距小，不易排屑和實現其切向剝層優勢；同等條件下，自旋轉噴頭，成孔孔徑大小可依實際需要設計，有效噴距較長，易於發揮其脈沖破巖作用。
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