超管速流管 的英文怎麼說

中文拼音 [chāoguǎnsùliúguǎn]
超管速流管 英文
supersonic stream tube
  • 超 : Ⅰ動詞1 （越過; 高出） exceed; surpass; overtake 2 （在某個范圍以外; 不受限制） transcend; go beyo...
  • 管 : 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;...
  • 速 : Ⅰ形容詞（迅速; 快） fast; rapid; quick; speedy Ⅱ名詞1 （速度） speed; velocity 2 （姓氏） a surna...
  • 流 : Ⅰ動1 （液體移動; 流動） flow 2 （移動不定） drift; move; wander 3 （流傳; 傳播） spread 4 （向壞...
  1. Pre - data gathering module achieves the collection and communication of sixteen - route temperature signal. speed measuring and controlling module realizes the control of refolw soldering transfer speed by manipulating transducer. on - off outputting module fulfills calefaction control of calefaction tube by solid state relay. above position operator software programs by delphi, and realizes pid parameter automatic timing and no - oversnooting temperature control. software has friendly interface, convenient operation, complete functions

    前置數據採集模塊完成16路溫度信號的採集和通訊；速度測量模塊與速度控制模塊通過控制變頻器來調節迴流焊的傳輸速度；開關量輸出模塊通過固態繼電器對加熱管進行控制；上位機軟體採用delphi編程，實現了pid參數自整定以及無超調的溫度控制。
  2. Abstract : the formation technologies, the structure and properties of tcs microporous man - made yarn - kind new polyester fibre which was spinned in tcs with some micrometallic - oxide have been studied. the results indicate that the rheological behaviour and spinnability of commixed polyester melt, and the structure and properties of the fibre, are relative to the spinning temperature, melt pressure, microporpus size for spinning, formation conditions, thermo - vascellum temperature, thermo - vascellum position and rolling speed, besides the viscosity of polyester cuts, coacervation particles, adding amount and size of micrometallic - oxide

    研究表明， tcs微孔化共混聚酯熔體在成型加工中的流變行為和可紡性，及其纖維的結構性能除了與原料切片的特性粘度、凝聚粒子和共混聚酯中超細金屬氧化物微粒的添加量、粒徑等因素的影響有關外，還與紡絲溫度、紡絲熔體壓力、噴絲板微孔尺寸、冷卻成形條件、熱管溫度、熱管安裝位置以及卷繞速度等因素的影響密切有關。
  3. Results : the sonographic manifestations in the ipsilateral course variation vertebral artery revealed that the diameter and flow velocity were decreased, pi and ri were increased

    結果：椎動脈走行變異其變異側椎動脈超聲表現為：管徑較窄， pi和ri較高，流速較低。
  4. In final section of this paper, the flow field of two types of supersonic nozzle for scramjet is simulated and analyzed

    最後，本文針對兩種構型的超音速尾噴管，對其流場進行了計算和分析。
  5. In conclusion we note the following general items concerning flow in supersonic nozzles.

    最後，我們歸納幾個關于超音速噴管流動的一般原則。
  6. Sanfeng electrical equipment co., ltd. is a professional manufacturer which products hf, solid hf, intermediate frequency, supersound frequency induction heating equipment, intermediate frequency overall anneal equipment and the installation of all - digital dc governor

    經營高頻焊管全套設備及其配件保定市三豐電器有限公司是專業生產高頻固態高頻中頻超音頻感應加熱設備中頻整體退火設備和全數字直流調速裝置的專業廠家。
  7. Closer throttling, creating higher pressure drops may cause cavitation or excessive velocities which could cause high noise levels, vibration and possible damage to the valve or adjacent piping

    如果節流較小，將因此產生更高的壓降將可能導致空穴現象或超快流速，從而導致噪音太高，振動劇烈，可能損壞閥門或相鄰的管路。
  8. At high speed and hot exhaust flow conditions, a preliminary experimental investigation on the divergent wall cooling of two dimensional c - d nozzle had been conducted

    摘要在高速熱噴流條件下，對二元收擴噴管超音段壁面的冷卻進行了初步試驗研究。
  9. According to the high dispersedness and low precision of measurements when using the traditional time difference method in small diameter and low flow rates conditon, this paper brings forward a new method based on high - speed data acquisition technique. the time difference comes out accurately with high resolving ability of time by using the method and the signal processing algorithms. the developed ultrasonic detection system is composed of two ultrasonic detectors, a transmitting and receiving ultrasonic unit, a high - speed data acquisition unit and a computer

    本文針對傳統的時差法在小管徑、低流速測量時，具有測時結果分散性大、測量精度受計數頻率的影響大等不足，創造性地把高速數據採集技術應用在超聲波流量、壓力測量上，用信號處理演算法求時差，使時差成為一個統計量，有效地克服了超聲波傳統時差法測量精度差、不能測量小管徑、低流速流體流量的缺點，提高了時差測量的解析度和精度。
  10. ( 3 ) the most principal factors that influence the supersonic atomization process include the flow ratio of the gas - liquid metal ( gmr ) value, the flow of atomizing of gas and the range of the inverse vortex taper. the more of the value of three factors, the more advantage they are for the atomization and the more fine the powders are. ( 4 ) the produced powders are the best in efficient atomization efficiency, particle diameter, particle shape and dispersion when the solder alloy is zhl63a, atomizing medium is n2, the protrusion h = 6. 0mm, atomizing gas pressure p = 100mpa, over - heat temperature t = 167 ( t = 350 )

    研究結果表明： （ 1 ）超音速霧化器的氣體流場在導液管下端形成一個倒渦流錐，在二維空間上呈軸對稱的雙峰分佈，負壓形成於這個倒渦流錐內； （ 2 ）修正後的霧化氣體速度公式可以滿足超音速霧化的要求； （ 3 ）影響超音速霧化工藝最根本的因素有氣液質量流率比（ gmr ）的大小、霧化氣體流量和倒渦流錐范圍，三個因素的值越大，對形成細粉越有利； （ 4 ）在焊錫合金為zhl63a ，霧化介質微n _ 2 ，導液管突出高度取h = 6 . 0mm ，霧化氣體壓力取p = 1 . 0mpa ，合金過熱度取t = 167 （ t = 350 ）時，所制得的粉末在有效霧化率、顆粒球形度、粒度及其離散度三個方面綜合性能最好。
  11. It was found that the ultra - fine powder can flow smoothly in a spouted bed with a draft tube under some sorts of design parameter and operating condition, thus a new effective method to improve fluidization quality of the ultra - fine powders is obtained ; at higher supplied gas velocity, an increase in the solid circulation rate is observed ; the extent of the distance between the nozzle and the draft tube inlet result in the promotion of the solid circulation rate ; the solid circulation rate increase with increasing the draft tube diameter or the bed mass ; the gas bypassing is nearly zero in the present work ; and the solid flow in the annulus is observed as a moving bed

    結果表明：在一定的床層結構和操作條件下，超細粉可以在導向管噴動床中實現平穩流化，從而為改善超細粉的流化質量提供了一種有效的新方法；固體循環速率與噴動氣流量、導向管直徑、導向管底部與噴嘴出口間距以及床層裝填量成正比；氣體則基本上不存在「旁路」現象；環隙區中的顆粒流動表現為一移動床特徵。
  12. Technical retrofit for the domestic water heating system in residential quater of one thermal power plant has been carried out by adopting the boosting and heating technology based on supersonic steam - liquid two - phase flow, to replace the original water pump and tube type heat exchanger

    摘要採用超音速汽液兩相流升壓加熱技術對某熱電廠福利區生活熱水系統進行了技術改造，以取代原有的水泵及管式換熱器。
  13. To prove the accuracy of the mach number, and the parameter homogeneity of the design nozzle " s exit, cfd calculate has carried on the design results. under the condition of supersonic and hypersonic flow, and a certain range of temperature, and mach number, the conclusion of the influence of specific heat to nozzle design is drawn

    為了驗證所設計的噴管出口馬赫數的大小和噴管出口流場的均勻性，採用nnd格式和b l湍流模型求解雷諾平均n - s方程，對設計結果進行了cfd驗算，得出了在一定溫度范圍內，超音速、高超聲速流動的條件下，不同馬赫數范圍內變比熱容對噴管型面和噴管出口馬赫數的影響。
  14. At the same time width and blood flow velocity of liver artery in port of liver, width and blood flow velocity of portae vein, the number of blood cells in circulation had been measured. results after liver transplant, the volume of spleen decreased, the mean blood flow velocity of spleen vein and the number of blood cells in circulation increased

    方法應用彩色多普勒超聲測量術前及術后第1 、 2及4周35例肝硬化合併脾亢病人脾臟的長徑、厚徑及脾門靜脈管徑、平均血流速度及峰值血流速度等並進行比較。
  15. In the process to create and pass to the key account value, it is necessary to grasp the success factors for the kam which includes common interest, communication, commitment, credibility, compromise, collaboration and the change of the relationship. part 4 give a method for the kam of hd copper co., ltd., it requires the company construct the key account belief, make a key account management plan strategically, do the work that the plan requires and control the relationship between the key account and the hd copper co., ltd., check the work and notice the change of the relationship, and develop the new key accounts. the main innovative contribution in the paper includes the follow aspects : establishing a system analysis framework for kam in strategically thinking the relationship between the company and its key accounts, exploring the significance and profile of the key account group of profitability, strategy, and loyalty, putting forward three levels of the key accounts " value, concluding the success factors for kam, thinking the relationship between the company and its key accounts as four stages

    為了實現這個目標，本文的第三部分深入分析了大客戶關系管理的有效策略及需要把握的成功要素，為了制定有效的策略，需要把握大客戶關系變化的特徵，把大客戶關系發展過程中的生、長、衰、死四個階段都管理好:大客戶關系管理的有效策略是創造和提升大客戶價值，需要從價格、質量、速度、技術、創新和品牌等大客戶價值要素入手，把握大客戶價值創造的動態特徵，向大客戶傳遞核心大客戶價值、大客戶期望價值和超越大客戶期望的價值，大客戶價值是大客戶認知利益與大客戶認知價格的差額;在為大客戶創造和傳遞大客戶價值時，需要把握住大客戶關系管理的成功要素，包括企業與大客戶的共同利益基礎、雙向交流和溝通、企業信守承諾、樹立企業的信譽、企業對大客戶必要的妥協和讓步、與大客戶合作、注意公司與大客戶內部和外部環境及關系本身的變化。
  16. The straight section of secondary air duct for boiler of 600 mw supercritical unit manufactured by dongfang boiler factory is shorter, at the time the measurement of air flow is being carried out by adopting velocity - equalizing tube flowmeter, the required precision can ' t be reached

    摘要東方鍋爐廠製造的600mw超臨界機組鍋爐二次風道的直管段較短，採用均速管流量計進行風量測量時，達不道精度要求。
  17. Using axisymmetric full navier - stokes equations, the thermo - chemical nonequilibrium flow in hypersonic nozzle was simulated and the scale effects due to nonequilibrium were analysed numerically

    摘要採用軸對稱熱化學非平衡全n - s方程，數值分析了高超聲速噴管流場中非平衡引起的尺度效應。
  18. Fluidized behaviors of ultra - fine powder caco3 of mean diameter 5 um in a spouted bed with a draft tube were investigated, studying the effects of geometry and operating parameters on the two - phase fluidized characters such as the initial spouted behavior, the solid circulation rate, the gas flow distribution in the spout and the annulus, and the solid flow in the annulus

    本研究以平均粒徑為5 m的caco _ 3超細粉為物料，對超細粉在導向管噴動床中的流化行為進行了系統的實驗研究，考察了床層結構和操作條件對起始噴動行為、固體循環速率、氣體在床層雙區中的分配以及固體顆粒在環隙區中的流動等氣固兩相流動特徵的影響。
  19. Ultrasonic flow measurement technology, which developed rapidly in recent several ten years, is a new - style flow measurement technology. it uses the liquid velocity information carried by the ultrasonic when it is propagating in the liquid to measure the flow of liquid. the main merits of the flowmeter is non - contact, high accuracy, wide measurement scope, convenience of installation and maintenance, especially acceptable for measurement of temporary flow, large flow, and flow in dangerous environment

    超聲波流量測量技術是近幾十年來才發展起來的一種新型的流量測量技術，它利用超聲波在流體中傳播時所載流體的流速信息來測量流體流量，具有非接觸、高精度、測量范圍寬、安裝維護方便等特點，特別適用於臨時管道流量、大口徑管道流量、以及危險性流體流量的測量。
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