氣道壓板 的英文怎麼說
中文拼音 [qìdàoyābǎn]
氣道壓板
英文
vent plate-
Abstract : apply computer simulation to the distribution pattern of air - flow without considering the cold condition of the combustion and compare the flow patterns under different designed circumstances. and the effect of the design of the partition in the air way of the burner on the flow and mixture of gas and air is especially studied. the result shows that the design of partition plays a very important role in strengthening the mixture of gas and air, but increases the loss of the resistance in the air way and the total pressure of the air way in same working conditions needs increasing
文摘:應用計算機模擬的方法,在不考慮燃燒的冷態情況下,研究了熱風爐燃燒室內的氣流分佈規律.在此基礎上,比較了2種不同設計方案的氣流流動特徵,尤其是研究了燃燒器空氣通道內阻流板的設置與否對空氣和煤氣的流動和混合的影響.結果表明,阻流板的設計對加強空氣和煤氣的混合有著極為重要的作用,同時也增加了空氣管道的阻力損失,在同樣的工況條件下需要提高管道系統的總壓力On the basis of these results, the relations of total - pressure recovery coefficient or flow coefficient and flight mach number, angle of attack and the second movable wedge angle of the inlet have been founded by hypersurface fitting, then the mathematical model of the inlet is established
根據流場計算結果並利用超曲面擬合方法建立了進氣道總壓恢復系數、流量系數與飛行馬赫數、進氣道攻角及二級可調斜板角度之間的關系,由此得到了二元混壓式超聲速進氣道數學模型。Use commercial software numeca to calculate the flow - field of the inlet of the lsc with an insert - board, and analyze the flow - field. also a piv ( particle image velocimetry ) flow - field testing scheme is designed, but have not been carried out for some reasons, for reference only
同時還利用numeca商業軟體對以這臺壓氣機為模型的進氣道在插板作用下的流場計算及分析,另外還設計了piv流場測量方案,因為種種原因沒有能夠最終進行試驗,僅供參考。This is a combined production equipment of edge cutting and line pressing for comigated paperboard. it has some advantages such as the cutting paperboard into one, thin blade gasautomatic cutting accelerates production speed. it is a comparatwely advanced machine in paperboard making industry
薄刀片分壓機是將瓦楞紙板分邊、壓痕(碰線)兩道工序一次完成的復合設備,它的特點是,紙板分邊光滑,無毛刺,薄刀片氣動自動磨削,大提高了生產效率,是紙箱生產過程中較選進的設備。When in experiment, the air was heated by the film heater installed on the above and below surface of channel, adopting various air velocity of flow, test import ' s and export ' s temperature, wall temperature, fluid flux and the drop of pressure, and the other parameter. adopting nu and nu0 to analyze the baffle ' s situation of heat transfer and fluid flow, which baffle was holed various diameters
實驗時,通過矩形通道上下壁面敷設的電加熱膜加熱通道空氣,改變空氣流速,測試不同工況時的進出口溫度、壁面溫度、流體流量和壓力損失等參數,並採用無量綱努謝爾特準則數nu 、 nu _ 0等分析了設置不同開孔折流板的換熱與流動情況。A parametric analysis of the inviscid effects of leading edge sweep, sidewall compression, width - height ratio, cowl position and inflow mach number on spillage is finished. numerical simulations are completed for a series of inlets at various flight height and velocity. the research indicates that the area of spillage window, which is mainly determined by the position of the cowl, significantly influences the spillage characteristic of the scramjet inlet
闡明了側板后掠的側壓進氣道設計參數對構型溢流影響;對不同側板配置方式的側壓式進氣道進行了數值模擬,通過對比分析,發現由唇口板的位置所決定的溢流窗面積的大小對進氣道溢流特性的影響顯著。Replacement of high voltage switchboards, transformers and low voltage system of the tunnel power supply system in lion rock tunnel, replacement of field equipment of toll collection system in cross - harbour tunnel and replacement of ventilation control panels, exhaust fans, motors and flexible connectors in aberdeen tunnel
更換獅子山隧道供電系統的高壓配電板變壓器和低電壓系統更換海底隧道車輛繳費系統的路面設備及更換香港仔隧道的通風控制屏抽氣扇電動機和軟接頭Air filtration portfolio, air filters, valve, oil mist machine, filter valve, oil mist separator, micro - mist separator, stability activated solenoid valve, pressure gauge, micro - valve and vacuum valves, links the release of the closure - pressure valves, and pipe connection, a one - way valve, t - shelves, shelves, brackets, diaphragm - type flow switches, blades type flow switches, further growth actuator, the valve lock, precision valve, pressure switches, mechanical pressure switches, pneumatic control ratio positioning devices, and electric - gas ratio positioning devices, and telecommunications - pressure converters, electro - pneumatic proportional valve, filter valve, shuttle valve, gas - electric relay and gas indicator, delay pneumatic valve and cylinder fcl, plumbing fcl, mufflers and exhaust cleaner, the excess flow valve with silencer, a one - way valve, rapid valve, rapid joints, rapid valve with fcl, rapid joint sub - cluster gas, micro joints, gas pipes, pipe from the devices, and helical coils, pipes, channels, scissors, multiple fastener, high - speed rotary joint, 10000 threaded joints, and insert the tube joints, rotary joints began, 68. 25 rapid joints and hoses, hose fittings and rapid non - electrostatic
空氣過濾組合空氣過濾器減壓閥油霧器過濾減壓閥油霧分離器微霧分離器穩定啟動電磁閥壓力表微型減壓閥減壓氣閥三通釋放式截流閥壓力開關管接頭單向閥t型隔板隔板托架膜片型流量開關漿葉型流量開關增速繼動器鎖定閥精密減壓閥壓力開關機械式壓力開關氣控比例定位器電-氣比例定位器電訊號-氣壓轉換器電-氣比例閥過濾減壓閥梭動閥氣-電繼電器氣源指示器氣動延時閥氣缸限流器管道限流器消聲器排氣潔凈器限流閥帶消聲器單向止回閥快速排氣閥快速接頭快速排氣閥帶限流器快速接頭集束分氣微型接頭氣喉管喉管脫離器螺旋管排管管道剪刀多管扣件高速旋轉接頭萬用螺紋接頭插入式管接頭旋式緊鎖接頭難燃性快速接頭和軟管不帶靜電快速接頭和軟管People has higher requirement for the quality of laminating machine along with the progressive spread of board decorating material, in order to need the requirement, we designed, this machine - high - low pressure double air pipelines laminating machine
摘要隨著板式裝飾材料的逐步推廣,人們對覆膜質量的要求也越來越高,為了適應廠家的需要,我們設計了高低壓雙氣道覆膜機,特別針對其核心部分真空系統進行了大膽的改革,本文對其原理及與現有覆膜機的區別等做了詳細闡述。In this thesis, hypersonic sidewall compression inlet ' s self - starting characteristics are numerical simulated and tested. with increasing mach number of inflow gradually, the hypersonic sidewall compression inlets can self - start. compared with the hypersonic sidewall compression inlet starting directly, characteristics are different. moving cowl, decreasing interior contraction ratio also can realize the hypersonic sidewall compression inlet ' s self - starting because of separation bubble on sidewall spilling out
其次,在數值模擬結果的基礎上,設計了實驗模型和裝置並在馬赫3 . 85的風洞中進行了移動唇口板減小內收縮比實現側壓式進氣道自起動的風洞實驗,驗證了數值模擬的結果。It is no effect on a sidewall compression inlet ' s starting characteristics while a starting sidewall compression inlet is moved cowl to increase interior contraction ratio appropriately. back pressure effect on characteristics of self - starting for hypersonic sidewall compression inlet is tested in mach 3. 85 wind tunnel. the hypersonic sidewall compression inlet with interior contraction ratio 1. 24 can self - start. unstart hypersonic sidewall compression inlet caused by high back pressure can self - start by moving cowl to decrease interior contraction ratio
最後,實驗研究了反壓對側壓式進氣道自起動特性的影響,內收縮比1 . 24的側壓式進氣道可以實現自起動並且實驗驗證了由於反壓過高而不起動的側壓式進氣道,通過移動唇口板以減小內收縮比可以實現側壓式進氣道的自起動。Once humans attributed the weather or earthquakes todivine intervention ; then they discovered high - pressure systems and platetectonics
比如過去人們把氣候和地震歸結為神的介入;后來,人們知道這是因為氣壓系統和地殼板塊的運動。At different attack angles, mach numbers and ramp angles, the numerical calculations of inner and external flow field are performed for an adjustable mixed compression inlet
摘要對某可調混壓進氣道在不同攻角、不同馬赫數、不同斜板角度下進行了大量的數值計算。Modern cylinder pressure acquisition system is deeply affected by the advanced computer hardware technology. a / d card with the capabilities of high resolution, high sampling rate, non discrepancy and setting sampling rate at will is combined with a lot of excellent measuring equipment such as crank shaft angle encoder, charge amplifier, industrial control computer, etc. we use four type 6117a46 spark plug cylinder pressure sensors made by kistler corp.,
高速發展的計算機硬體技術深刻影響著現代氣缸壓力數據採集系統的發展,高解析度、高採集率、多通道、無相差和可以任意設定采樣頻率等特性的a / d板卡及一大批性能優越的相關測試儀器如轉角信號發生器、電荷放大器、工控計算機等。分享友人