螺旋管道 的英文怎麼說

中文拼音 [luóxuánguǎndào]
螺旋管道 英文
spiral canal
  • : 1. [動物學] (軟體動物) spiral shell; snail; conch 2. (螺旋形的指紋) whorl (in fingerprint)
  • : 旋Ⅰ動詞1 (旋轉) whirl 2 (用車床切削或用刀子轉著圈地削) turn sth on a lathe; lathe; pare Ⅱ名詞...
  • : Ⅰ名詞1 (管子) pipe; tube 2 (吹奏的樂器) wind musical instrument 3 (形狀似管的電器件) valve;...
  • : Ⅰ名詞(道路) road; way; route; path 2 (水流通過的途徑) channel; course 3 (方向; 方法; 道理) ...
  • 螺旋 : 1 (具有螺紋的圓柱體 屬于斜面類的簡單機械) corkscrewspin; screw; spiral; helix 2 (螺旋現象;尾旋...
  • 管道 : [工業] pipeline; channel; tunnel; piping; canalis; pipe run; duct; conduit; conduit pipe; ducting...
  1. Helical-corrugated pipe can deliver more sediment with a given power input than either standard corrugated or plain pipe.

    皺紋與標準皺紋或平整面的相比較,可以輸送更多的泥沙。
  2. For the liquid in the multi - head twisted and fluted tube can cross the boundary of the channel and merge into the fluid flow in the next channel, the film distribution of multi - head twisted and fluted tube is overmatch single - head twisted and fluted tube

    表面為多槽時,各槽間發生流體的相互摻混使得液膜分佈特性較單槽時要好。
  3. Threaded - in bonnet is common in lighter - duty services and smaller sizes of bronze multi - turn valves

    進式閥蓋:通常用於輕型系統和小尺寸青銅多回轉閥門中。
  4. The following results are obtained : ( 1 ) the flow in rotating helical pipes are affected by dean number, curvature, torsion ( or germano number ), the ratio of the coriolis force to the centrifugal force f number ( or rossby number ) and the geometry of the cross section

    研究結果表明: ( 1 )螺旋管道流動特性受dean數、曲率、撓率(或germano數) 、科氏力與離心力之比f數(或rossby數)以及截面的形狀五種因素的影響。
  5. Employing perturbation method and numerical simulation, we study the flow in rotating helical pipes including different rotations, different cross sections ( circular, elliptical, annular and square cross section ), and different geometrical structures

    採用攝動方法和數值計算方法,研究了處于多種轉狀態下、多種截面形狀(圓截面、橢圓截面、環形截面、矩形截面) 、不同幾何結構螺旋管道流動。
  6. Based on the review, the fluid flow and heat transfer in the curved circular and rectangular pipes have been researched by employing perturbation method and numerical simulation with a physical model under the rotational orthogonal curvilinear coordinate in a rotating curvilinear pipe with multi - parameters. we firstly analyzed the fully developed fluid flow and heat transfer, mixed convection heat transfer, the development of flow and heat transfer in the inlet in different cross section ( circular, elliptical, annular and rectangular crossection ). the variations of the secondary flow, axial velocity, distribution of temperature, the friction force on the wall, the ratio of friction factor as well as the nusselt number with different dimensionless parameters had been examined in detailed

    本文在總結和分析了一個世紀以來有關曲線流動和換熱特性的研究成果的基礎上,以轉正交曲線坐標系統下的多參數螺旋管道中的對流傳熱為物理模型,通過攝動方法和有限體積法,首次對各種截面(圓截面、橢圓截面、環形截面、矩形截面)轉曲線內充分發展流動的流動結構和傳熱特性(包括耦合對流傳熱特性)以及轉曲線開口段發展流動的流動結構和換熱特性進行了系統的數值模擬和理論分析,詳細討論了各種無量綱參數對內軸向速度分佈、二次流結構、溫度分佈、壁面摩擦力、摩擦系數比以及nusselt數的影響,獲得了若干創新性成果。
  7. Technical specification of pvc - u innerspiral rib pipe for building drainage

    建築排水用硬聚氯乙烯內工程技術規程
  8. Technical specification for pvc - u inner spiral rib pipe for buildings drainage

    建築排水用硬聚氯乙烯內工程技術規程
  9. Pvc practice for installation of machine spiral wound poly vinyl chloride liner pipe for rehabilitation of existing sewers and conduits

    現有排水修復用機械纏繞聚氯乙烯
  10. With advanced production equipment, leading techniques and scientific management method, the factory is mainly engaged in the production of flat - plate ceramic shell of pipe, helical - type shell of pipe for electric semiconductor, as well as textile ceramics, 9. 5 aluminum ceramics. these products are used widely in the industry of metallurgy, chemical engineering, electric power, electrics, railway, military project and scientific research project

    企業採用先進的生產設備,精良的工藝技術,嚴格的理方式,主要生產電力半導體用平板型陶瓷殼,以及紡織陶瓷,九五氧化鋁陶瓷,和陶瓷金屬化產品,廣泛應用於冶金化工電力電子鐵軍工紡織科研等部門。
  11. In this dissertation, researches on the flow in curved pipes of the last century are firstly reviewed and then a flow model in a rotating helical pipe with multi - parameters is introduced

    本文首先綜述了一個世紀以來有關曲線流動的研究成果,並在前人文獻的基礎上,提出一種多參數螺旋管道流動模型。
  12. Low power of wall of esophagus showing duct at right, leading down to simple tubulo - alveolar gland with coiled secretory portions

    低倍鏡觀察食。右側可見有一導,於一單泡狀腺相連,分泌部稱狀。
  13. Numerical simulation on power - law fluid flow in helical pipes with circular cross - section

    螺旋管道內冪律流體流動數值模擬
  14. 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脫離器剪刀多扣件高速轉接頭萬用紋接頭插入式接頭式緊鎖接頭難燃性快速接頭和軟不帶靜電快速接頭和軟
  15. In general, spiral pipe flows are generated by three means : tangentially inletting medium, guiding fluid by vanes with a certain angle and axially rotating pipe

    一般來說,流的常規產生辦法有三種:切向進流、安裝導流條及
  16. A novel strip - coil - baffle structure used to enhance heat transfer and support the tube bundle for a tube - shell heat exchanger is proposed. the new structure can sleeve the tubes in bundle alternatively to create a vortex flow in a heat exchanger. the numerical simulation on the flow and heat transfer characteristics for this new structure heat exchanger is conducted. the computational domain consists of two strip - coil sleeved tubes and two bare tubes oppositely placed at each corner of a square. the velocity and temperature fields in such strip - coil - baffled channel are simulated using fluent software. the effects of the strip - coil - baffles on heat transfer enhancement and flow resistance in relation to the reynolds number are analyzed. the results show that this new structure bundle can enhance the heat transfer coefficient up to a range of 40 ? to 55 ? in comparison with a bare tube bundle ; meanwhile, higher flow resistance is also accompanied. it is believe that the strip - coil - baffled heat exchanger should have promising applications in many industry fields

    介紹了一種用於強化殼式換熱器殼側傳熱和支撐束的折流片新型結構,該結構是對換熱器子相間地套上折流片以產生渦流動.研究模型是在正方形布置的4個子中的2個對角子套上折流片后形成的通,利用fluent軟體對該上述四模型的流場和溫度分佈情況進行了數值模擬;分析了四模型中折流片對強化傳熱和流動阻力隨雷諾數的變化關系的影響.算例結果顯示該新型結構可比相同尺寸的光中的情形傳熱系數提高約40 ? 55 ? ,同時也將伴隨較高的流動阻力.可以相信折流片式換熱器將會在許多工業領域有良好的應用前景
  17. Abstract : a novel strip - coil - baffle structure used to enhance heat transfer and support the tube bundle for a tube - shell heat exchanger is proposed. the new structure can sleeve the tubes in bundle alternatively to create a vortex flow in a heat exchanger. the numerical simulation on the flow and heat transfer characteristics for this new structure heat exchanger is conducted. the computational domain consists of two strip - coil sleeved tubes and two bare tubes oppositely placed at each corner of a square. the velocity and temperature fields in such strip - coil - baffled channel are simulated using fluent software. the effects of the strip - coil - baffles on heat transfer enhancement and flow resistance in relation to the reynolds number are analyzed. the results show that this new structure bundle can enhance the heat transfer coefficient up to a range of 40 ? to 55 ? in comparison with a bare tube bundle ; meanwhile, higher flow resistance is also accompanied. it is believe that the strip - coil - baffled heat exchanger should have promising applications in many industry fields

    文摘:介紹了一種用於強化殼式換熱器殼側傳熱和支撐束的折流片新型結構,該結構是對換熱器子相間地套上折流片以產生渦流動.研究模型是在正方形布置的4個子中的2個對角子套上折流片后形成的通,利用fluent軟體對該上述四模型的流場和溫度分佈情況進行了數值模擬;分析了四模型中折流片對強化傳熱和流動阻力隨雷諾數的變化關系的影響.算例結果顯示該新型結構可比相同尺寸的光中的情形傳熱系數提高約40 ? 55 ? ,同時也將伴隨較高的流動阻力.可以相信折流片式換熱器將會在許多工業領域有良好的應用前景
  18. While hall system employed a rotary feed unit, operated by the bolt, to put new cartridge in line with the barrel, fn designers incorporated a stationary helical ramp into each magazine, w hich rotates cartridge for 90 degrees prior to placing it into feed lips

    同時系統採用轉大廳飼料單位,由栓、把新槍彈與槍、設計師新生力量納入到每一個固定雜志-腦出血90度轉裝之前將它變成飼料嘴唇
  19. Road vehicles. coiled pipe assemblies for pneumatic braking connection between motor vehicles and towed vehicles. part 1 : dimensions

    路車輛.汽車和拖車之間的氣壓制動系統連續連結用帶接頭的撓性組件.第1部分:尺寸特性
  20. At present, the study of water in smooth helical tube, of which the main work is about critical heat flux ( chf ), is the primary concern of the research about the two - phase flow and heat transfer in curved pipe

    目前內兩相流動傳熱研究主要以光滑內的兩相流動傳熱為主,其研究重點為臨界熱流密度( chf ) ,但對製冷劑在微肋內兩相流動傳熱還鮮見報
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