空化阻力 的英文怎麼說

中文拼音 [kōnghuà]
空化阻力 英文
cavitation drag
  • : 空Ⅰ形容詞(不包含什麼; 裏面沒有東西或沒有內容; 不切實際的) empty; hollow; void Ⅱ名詞1 (天空) s...
  • : 動詞(阻擋; 阻礙) block; hinder; impede; obstruct
  • : Ⅰ名1 (力量; 能力) power; strength; ability; capacity 2 [物理學] (改變物體運動狀態的作用) forc...
  • 空化 : cavitation空化機理 cavitation mechanism; 空化噪聲 [聲學] cavitation [aeration] noise; 空化作用 [化學] cavitation
  • 阻力 : 1 (阻礙事物發展的外力) obstruction; resistance 2 [物理學] resistance; drag; drag force; nowel; ...
  1. The factory has possessed advanced production equipments and wire cable check equipment at domestic. first class technology will provide you wire cable with fluorin polymer used in in aviation spaceflight, electric cables, control cables, computer cables, compensatory wire cables, fire - proof cables with high temperature, general plastic cables that classified into sixteen species and over one thousand specifications. cables for " hongyuan " brand are widely used in the fields of spaceflight, national defence, electric petroleum chemistry, steel, public establishments, environmental perfection and architecture. temperature - proof cables with " hongyuan " brand were awarded with famous products in 2001 which are widely sold all through the world and have been won customers trust

    一流科技量為您提供航天用含氟電線電纜電電纜耐熱防腐硅橡膠電纜耐高溫電纜控制電纜計算機網路電纜補償用電線電纜船用電纜橡套電纜燃防火電纜等十六大類,一千多種規格產品,並可根據擁護特殊要求,自行設計生產,以滿足顧客要求,多年來「宏源」牌電線電纜廣泛用於航航天國防軍工電子原件電鋼鐵冶金公共設施環保建築等領域,深受廣大用戶高度評價和信賴。
  2. High energy explosive was used to create a powerful and planar shock wave for accelerating flyer plate to high velocity, and high pressure was produced when flyer impacting with the sample. in the experiments, the impactor was brass and target was ofhc copper. by measuring the shock wave velocities of hr2 steel, high - density glass, aluminium alloy ( ly12 / lf6 ), magnesium - aluminium alloy ( mb2 ), polymethyl methacrylate and air, shock pressure and release isentrope of ofhc copper have been obtained

    採用爆加載、平面波發生器和腔增壓技術,以黃銅為飛片,無氧銅為靶板,測量了抗氫鋼( hr2 ) 、重玻璃( sio _ 2 ) 、鋁合金( ly12 lf6 ) 、鎂鋁合金( mb2 ) 、有機玻璃( pmma ) 、氣( air )和無氧銅( ofhccopper )各抗匹配樣品中的沖擊波速度,上述材料的hugoniot狀態參數c _ 0 、均為已知,由此確定了無氧銅的沖擊加載壓和等熵卸載后的狀態,得到了等熵卸載路徑。
  3. The blade inner channel cooling is a complex convection - conduction coupling problem. this thesis build a three - dimension. compressible turbulence model, and give a general solve method. with the geometrical model of the glossily rectangle straight channel, the rectangle straight channel with in - line arrays disturb plates, the rectangle straight channel with staggered arrays disturb plates, the rectangle straight channel with slant disturb plates, this thesis compute the flow and heat transfer condition when the cold air path though these channels, and gain the temperature field, pressure field, velocity filed, in addition. this thesis also analyze the influence of the different channel height, the different channel materials, the different channels, and gain the function relation between he nusselt number, friction factor and reynolds number. this thesis is emphasis on the new heat transfer enhancement structure, that is, disturb plates, with the comparison with the glossily channel and channel with pin fins, the heat transfer enhancement effect of the former is better, and the conclusion can be used in the design of aircraft blade

    葉片內部通道冷卻是一個復雜的對流?導熱耦合傳熱問題,本文在分析葉片內部通道冷卻的流動與傳熱情況的基礎上,建立了三維、可壓縮紊流的物理模型,得到了通用的求解辦法;利用不帶擾流片的矩形直通道、帶順排擾流片矩形直通道、帶叉排擾流片、帶傾斜擾流片的矩形直通道的幾何模型,計算了冷卻氣通過這幾種通道時的流動與換熱情況,得到了各種不同情況下計算區域的溫度場、壓場、速度場;在此基礎上分析了不同的通道高度、不同的葉片通道材質對葉片內部通道冷卻的影響,並整理得到了各種通道形式下,努謝爾數和因子與雷諾數的函數關系;本文重點研究了新型的葉片內部通道冷卻強傳熱措施?帶擾流片的內部冷卻通道的強傳熱效果,通過與光滑矩形直通道、帶針肋通道的冷卻效果的比較,表明了這種新型鮚構的優勢,對于葉片內部通道冷卻結構的設計可以起到指導的作用。
  4. This thesis presents a new solution called the smart platform, which better tackles the problems by : 1 ) a runtime environment discovery mechanism which allows a new device to automatically find and join the runtime environment ; 2 ) the loose coupled publish - subscribe inter - module coordination model, which caters for the spontaneous interaction between modules ; 3 ) a global - local two - layer runtime environment structure. the transient failure of the wireless network can be recovered at the local environment layer. the asynchronous nature of the interactions in the < wp = 8 > publish - subscribe model also prevents modules from blocking on the transient network failure ; 4 ) distinguishing two classes of communications with different qos requirements, the message - oriented and the stream - oriented

    本文提出並實現了smartplatform ,其特點是: 1 )運行環境發現機制,使外來計算設備可以自動加入軟體平臺的運行環境; 2 )松耦合的發布/訂閱式模塊間協調機制,模塊間關聯可以自發組織; 3 )局部全局的兩層運行環境組織策略,無線網頻發的暫時故障可以在計算設備的局部運行環境層次被屏蔽掉;同時發布/訂閱模型的異步性也使得模塊不會因網路故障而塞; 4 )區分智能間中的兩類不同的通信需求面向消息的和面向流的,並分別為它們提供了優的通信層支持; 5 )基於多agent抽象模型,為整合不同應用領域的模塊和遺留代碼提供了有工具。
  5. Study shows that the effect of the shock of heavy rain on an airplane in the low - level wind shear of thunderstorms is evident, the flight resistance resulted from the roughness of airplane is able to change the flight track and endanger the flight safety, whereas, the increase in the mass of airplane caused by the water film on the airframe and its wings in heavy rain is nigligible

    結果表明:雷暴低風切變中大雨雨滴的沖擊作用是明顯的,被粗糙的機體所產生的能顯著改變飛行軌跡,並能影響飛行安全;累計在機身和機冀上的水膜厚度造成的飛機質量的增加對飛行的影響可以忽略。
  6. The horizontal and vertical momentum loss caused by the shock of heavy rain in low - level wind shear of thunderstorms on the airframe and wing are analyzed, the water film thickness on the airframe and wings estimated, and the flight resistance resulted from raindrops - striking caused by the roughness of airplane when the heavy rain shocks the airplane is discussed

    摘要分析了雷暴低風切變中大雨滴沖擊飛機的機身和機翼而引起的水平和垂直動量損失,估算了大雨累計在機身和機翼上的水膜厚度,並討論了因遇到大雨雨滴沖撞而粗糙的機體所產生的
  7. In conclusion, the design of automobile model is not only to reduce drag coefficient but also to improve lift coefficient, so the automobile has good performance

    綜合以上工作,明確了汽車車頭設計不僅要考慮系數的降低,同時要考慮升系數的變,以保證良好的行駛性能。
  8. According to the character of outer shape of modem buses, the numerical calculations are performed from the simplest shape - cuboid by using ansys / flotran software. first, the foreside of the cuboid is modified step by step in 17 models ( this is equal to the process of modification to the foreside of a bus ). second, the afterbody of the cuboid is modified step by step in 9 models to model flow wake at rear end and get the drag coefficients and lift coefficients in different aterbodies

    在本文中,應用ansys flofan軟體,根據現代客車外形的特點,從最簡單的長方體開始進行數值模擬計算,首先對長方體的前部進行逐步改造(相當于對一個客車頭部進行改造的過程) ,這一步驟包括了17個模型;然後再對其尾部進行變,以模擬客車后車體形狀對系數的影響,該步驟包括9個模型:最後給出兩種現代客車的數值模擬結果。
  9. The ultraviolet absorption edge becomes steep and moves to longer wavelength, and the optical band gap decreases. the optimal quality and ultra - violet absorption property of the zno thin film annealed at 450 are obtained

    中性氣氛中退火薄膜的電率基本不變,在真和還原氣氛中薄膜的導電能增強,而在氧氣氛中薄膜的電顯著增加了七個數量級,成為絕緣薄膜。
  10. Over the years, lrt technology has been upgraded to counter the negative effects of traffic jams, noise, environmental damage, air pollution, etc. featuring a small radius of curvature, multiple car units, modulated train set, enlarged cars both in transverse and longitudinal directions, low car floors, streamlined car design, advanced control systems, and flexible right of way, modern lrt systems have been successfully adopted to most environmental and social needs. they adequately display their merits as transportation systems ; i. e., the lrt system is able to co - exist with automobiles. the low car floor means that roads can act as station facilities, and passengers can get on and off the cars in the street

    輕軌運輸系統lrt源起於歐洲街道電車street car ,街道電車一度在都市捷運與私人機動的浪潮沖擊下迅速沒落,但隨著都會地區機動車輛不斷增加,道路交通塞噪音環境破壞排放廢氣污染問題嚴重惡之際,輕軌車輛技術已不斷提升,具備小轉彎半徑能的聯結式車廂模組列車編組車廂斷面長度加大加長低地板車廂流線型車廂設計,搭配先進控制系統及彈性的路權型式,使現代輕軌系統具備有與生活間結合重視環境問題與社會情勢並活用進街車之都市交通工具等特徵與優點,如高性能輕軌列車與汽車共存,低底盤的車廂創造無障礙車站間,道路即是車站設備,旅客可以在街區上下車,提供沿線居民高度的便利性,消除交通堵塞噪音及氣污染等,輕軌系統並與街景充分的調和,成為活動的都市意象。
  11. Based on the structural feature of long blade with friction damper, pretwist beam element and space straight beam element were adopted to discrete the blade, and the numerical model of damper link element was established, then the gross finite element motion equation of the blade was obtained

    針對帶摩擦尼器長葉片的結構特點,採用扭曲梁與間直梁單元模葉片,推導葉片尼連接單元的學模型,由此建立葉片總的動特性分析方程。
  12. Put up the cold experiment of the three - phase fluidized bed with multiple orifice balls, research on the influence of the superficial gas velocity, the filler static height and the liquid density on the resistance character and the desulfurized efficiency, summarize the virtue of multiple orifice balls

    摘要對多孔球為填料的三相流床進行冷態試驗研究,研究不同工況下氣體塔流速、填料靜止高度、噴淋密度等因素對流特性和脫硫效率的影響。
  13. Low grade fuels and / or polluted air can cause gum, varnish and carbon deposits to be formed in the carburetor during comustion which can result in rough idling, stalling and incrased gasoline consumption. 3 + 3 cleaner ' s superior formula will effectively remove gum, varnish and carbon deposits when sprayed directly into the carburetor, 3 + 3cleaner will clean carburetors, linkage, automatic chokes, pcv valves, heat risers, the spark plugs and the entiro system while lubricating and femoving moistuer on all moving parts, use 3 + 3 cleaner to restore efficiency, increase engine power maintain high gasmileage and have a smooth running engine

    氣和汽油中的不純物質,在汽車使用過程中會產生污垢和炭積物,塞汽車的油器(呼吸系統) ,使汽車無及加油不暢順, 3 + 3牌油器強清洗劑獨有的特殊配方,直接噴入于油器內,能迅速有效地清除洗油器,火花塞及燃油系統的油漬污穢和炭積物,並對轉軸等旋轉部位提供潤滑及防銹保護,減少積炭的產生,使引擎起動順利及平穩運轉,增強馬及節省燃油
  14. On the basis of construction technique of large diameter bored hollow pile of prestressing force concrete, through simulation test, this paper simulates the interaction of pile with side mediator and pile with end mediator respectively under different conditions of injected cement paste, analyses the changing regularity of ultimate skin friction in different depths and different mediators, and also studies the changing regularity of end resistance in different end mediators

    本文在對大直徑鉆埋預應混凝土心樁的施工工藝分析研究的基礎上,通過室內模擬試驗,分別模擬樁與樁側、樁端介質不同注漿情況下的相互作用性狀,分析了樁側介質變時不同深度處樁側極限摩的變規律和樁端介質變時樁端承載的變規律。
  15. Taking some tubular air pre - heater used in one boiler whose capacity is 130 t / h as an example, new blue print with inner trachea is completed by means of computer program. several key design variables may be changed, such as diameter of pipe and velocity of flow of gas. these cases have been considered, and their results have also been compared with each other

    比較了幾個重要的設計變量,如外管徑、煙氣流速等參數變時,總傳熱系數和預器本體管子總重量,損失以及最低管壁溫度等幾個重要設計結果的變趨勢,對內螺紋管氣預熱器的設計具有借鑒意義;其間還分析了內螺紋管與光管在設計時的不同之處;最後,初步分析了內螺紋管的優設計問題,提出了一些建議。
  16. Our production of magnesium hydroxide modified surface treatment products, high purity, particle size uniform dispersion of good, strong affinity, are halogen - free, smoke - free, no drops, non - toxic, the safety of flame retardants, rubber, plastics, rubber, engineering, electrical appliances, wires, cable, cable sheathing, thermoplastic materials, insulators, surge arresters, synthetic textiles, fire retardant paint, ink, paper, conveyors, mine ventilation duct, electronic appliances equipment, tarpaulins, tents, military, aerospace, shipbuilding, automobiles, steel products, such as the glass industry ideal fuel filler - type resistance

    我公司研發生產的改性表面處理氫氧鎂系列產品,純度高、粒徑均勻、分散性好、親和強,屬于無鹵、無煙、無滴、無毒性、安全性的燃劑,是橡膠、塑料、橡塑、工程塑料、電器、電線、電纜料、電纜護套、熱縮材料、絕緣子、避雷器、纖紡織、防火塗料、油墨、造紙、運輸帶、煤礦風筒、電子電器器材、蓬布、帳篷、軍事、航航天、造船、汽車、玻璃鋼製品等各行業理想的填料型燃料。
  17. As the requirement of energy - saving and indoor environment gets higher and higher, variable flow technology are widely used in heating and air conditioning systems, namely by changing power or resistance to adjust the flow of the system 、 subcircuit and terminal equipment so as to match usually mutative dynamic heat ( cold ) load variation

    隨著節能和室內環境要求的愈來愈高,供暖和調系統廣泛採用了變流量技術,即用改變動或改變的方式調節系統、支路以及末端設備的流量,使之與經常變的動態熱(冷)負荷相匹配。
  18. The pseudo - dynamic test of 1 / 3 - scale model six - story building assembled with hollow shear wall with seams. the internal forces, the deformation and the failure mechansm of the building under earthquake are studied. the rules of frequency, damping and response spectrum are studied. the characters of earthquake response such as structure displacement, interstory drift, action of earthquake, the amplificatory coefficient of acceleration and the rule of strain are discussed. at last, this paper presented the design method of this structure based on the aseismic style and put forward the construction

    進行了帶縫心剪墻結構六層樓房的1 3模型的擬動試驗,研究了結構在水平地震作用下的受特點、變形特徵、破壞形態等學性能;得到了結構在不同受階段的頻率、尼、反應譜等動特性變規律;討論了結構各樓層的水平位移、層間位移、地震、加速度放大系數及構件應分佈規律等結構地震反應特徵;指出了結構的抗震類型、薄弱層及薄弱部位;提出了多層帶縫心剪墻結構的第一階段設計方法和相應構造措施。
  19. The catalysts exhibited good adaptability to feedstock at high carbon space velocity, with higher conversion, little pressure drop over the bed, good tolerance to steam hydration, poisoning and coke formation, and good regeneratibility

    結果表明,該催劑對原料的適應性較強,使用速高,轉率高,床層降小,抗蒸汽水合氧、抗毒物能和抗積炭能較強,催劑可還原再生,燒炭速率快。
  20. The flowfield over low - drag and long - range projectile with small attack angle is numerically studied from transonic to supersonic velocity. it provides basic work for aerodynamics characteristic of this projectile and for lateral jet interaction flowfield, and it shows this projectile can decrease drag. zonal method is tried to compute flow over projectiles and results is satisfied, but computation is much slower

    系統研究了低遠程彈丸在小攻角狀態,低跨聲速、高跨聲速和超聲速時的非對稱繞流流場,為該彈形氣動研究提供理論指導並為彈丸側噴流研究奠定基礎,結果顯示低遠程彈丸外形具有優繞流場、減小的特點。
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