surface nozzle 中文意思是什麼

surface nozzle 解釋
水面式噴口
  • surface : n 1 表面;地面;水面;廣場,空地。2 外觀,外表,皮毛。3 【幾】面;切口;【航空】翼面。adj 表面的...
  • nozzle : n. 管嘴;噴嘴;〈俚語〉鼻子。 a jet [propelling] nozzle 【火箭】尾噴管。
  1. The aerodynamic design of curve of nozzle adopts perfect gas cresco method to calculate non - existence glutinous model surface, the correct boundary layer of the nozzle wall side adopts sivells - payre method, and the calculation of constringency part of the nozzle adopts stock formula

    其中,噴管型面氣動設計採用理想氣體的cresci方法計算無粘型面;噴管的附面層修正採用sivells - payre方法;噴管收縮段的設計採用維托辛斯基公式。
  2. In this thesis, based on pershing ii surface to surface missile, a new kind of ballistic missile was designed with an additional rocket engine, which can be ignited twice. firstly, aerodynamic computational models of missile body and warhead which reentry with supersonic are built according to the task requirements ; secondly, the propulsion system model of missile is built whose first two stages are solid rocket engines and the third stage is liquid - solid combined rocket engine. the nozzle and the shape of the engine are designed to meet the needs of the populsion project ; thirdly, the trajectory model of the mass point is built and a wavy trajectory is designed & optimized ; finally, the ability of a missile ' s breaking through defence is analyzed

    以美國潘興導彈為原型,增加可兩次點火的末級發動機,改裝成具有跳躍能力的地地彈道導彈;首先,根據任務需求,建立了導彈的氣動模型,並建立了彈頭再入時高超聲速氣動模型;其次,建立了導彈推進系統模型,前兩級採用了固體火箭發動機,第三級採用了固?液組合火箭發動機,並在總體方案要求下,對發動機噴管和外形進行了設計;第三部分,建立了導彈質點彈道模型,設計了一條跳躍式彈道,並對跳躍式彈道進行了優化設計;最後,對導彈進行了突防能力分析,從分析的結果可以看出,跳躍式彈道的突防能力比常規的拋物線彈道要強。
  3. The effects of reynolds number, back surface of nozzle, aft - dome configuration and degree of submergence on aft - end internal flow were studied by both cold gas simulation and numerical simulation. it is showed that the separated flow is sensitive to the change of reynolds number and aft - end cavity configuration

    最後,利用冷流模擬與數值模擬相結合的方法,研究了雷諾數、噴管背壁形狀、后封頭形狀和潛入深度對燃燒室尾部流場的影響,結果表明流動的分離對雷諾數和背壁區幾何邊界的變化很敏感。
  4. See notes of " runs and sags ”. use a smaller nozzle. hold the gun at right angles to the surface

    參見「流掛」一欄。或採用小一點的噴嘴。使噴槍與底材角度正確。
  5. 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。
  6. Hard alloy nozzle : the product is made precisely of hard alloy and enjoys the hardness up to hra90. two terminals and inner hole are all receive mirror surface treatment to ensure enameled wire makes no scrape

    產品描述:此產品以超硬合金為材料精密加工而成,其硬度高達hra90以上,此產品兩端及內孔全部為鏡面加工,以保障漆包線不被刮傷。
  7. Aiming at the medium thickness slab caster in anshan isco, numerical simulations concerning fluid flow and free surface wave process of liquid steel in mold were conducted by using the cfx4. 4, a commercial software package for fluid flow analysis, in which the metallurgical functions of a submerged nozzle, specially the submerged nozzle with three holes, were investigated emphatically

    摘要以鞍鋼中薄板坯連鑄機為對象,在商業軟體cfx4 . 4的平臺上對結晶器內鋼水流動和液面波動過程進行了數值模擬,重點研究了其所獨有的3孔浸入式水口的冶金功能。
  8. Tip point nozzle will leave minor point mark on the surface of products. it has plastic cement heat insulations. it applies to all of plastic materials

    點澆口熱咀,在產品表面留下極小的點狀澆口痕跡。熱咀前端有隔熱層,適于非結晶性及半結晶性塑膠
  9. Reduce pressure. use a larger nozzle. hold spray gun closer to the surface. spray at right angles to the surface

    改變壓力。使用大一點的噴嘴。加近噴槍與底材的距離。調整高度。
  10. Do not use glossy paper, lens paper, cloth, etc. clean the nozzle surface

    不要用面紙、鏡片紙、布等擦拭噴嘴表面。
  11. A shifting configuration of outflowing jet is recorded photogrqphically in the experiment, which behaves as “ polarised wave ”. several factors, which affect this phenomenon, are discussed, including nozzle shape, hydraulic head and surface tension

    本實驗用攝像法記錄了一種特殊的管嘴出流形態,考察了這種變化的影響因素,初步分析了發生原因。
  12. At the preliminary stage of burning the gas flows along the back surface of the submerged nozzle and no recirculation forms in the aft - end cavity. at the medium stage of burning a weak recirculation forms in the rear of aft - end cavity by the force of injection flow. at the end stage of burning the flow separates at the c ombustion channel and a strong vortex forms in the aft - end cavity

    實驗結果表明,在發動機工作過程中隨著燃面的退移,燃燒室尾部的流動會發生很大變化,初始時刻背壁區加質流沿噴管背壁進入噴管,背壁區沒有迴流形成;中間時刻在加質流的驅動下背壁區後部形成較弱的迴流;結束時刻氣流在燃燒室壁面分離,背壁區形成強烈的迴流。
  13. This unit utilizes a unique spray nozzle and a high - speed rotary plate ( centrifugal model ) to granulate fluid ( starchy materials ), and sprays hot air to instantly dry the granules as their surface areas are being increased

    利用特殊噴嘴或者是高速旋轉圓盤(離心式)將漿料球粒化,並再它表面積增大時,施以連續熱風,使其與熱風接觸后瞬間乾燥。
  14. Effects of surface - to - nozzle distance and high - temperature plate ' s surface temperature on spray cooling heat transfer coefficient

    噴霧冷卻中射流出口高度和高溫鋼板表面溫度對換熱系數的影響
  15. Greater temperature gradient and higher thermal stress were the main reason that caused the failure of the exit surface of the cws ceramic nozzle

    根據對陶瓷水煤漿噴嘴磨損形貌、溫度分佈和熱應力的分析,得出陶瓷水煤漿噴嘴出口處較大的溫度梯度和熱應力是導致其出現破損和脫落的主要原因。
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