超波速流 的英文怎麼說

中文拼音 [chāoliú]
超波速流 英文
super-wave flow
  • : 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...
  • : Ⅰ名詞1 (波浪) wave 2 [物理學] (振動傳播的過程) wave 3 (意外變化) an unexpected turn of even...
  • : Ⅰ形容詞(迅速; 快) fast; rapid; quick; speedy Ⅱ名詞1 (速度) speed; velocity 2 (姓氏) a surna...
  • : 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. Doing a measurement with your dmm in the acv position on your dc circuit will give a quick indication of any excess ripple on the supply when you don " t have a scope at hand

    用數字萬用表的交檔在直電路上進行測量,將在供電端產生一個任意額紋的快指示,如果手頭沒有示器的話。
  2. Changes of the longitudinal and transversal wave velocities in different directions and the rock velocity anisotropy as a function of confining pressure have been studied under laboratory ultrasonic frequency for shale and sandstone with marked foliation, which had been saturated by the fluids with different viscosity kerosene and vacuum pump oil and salinity distilled water, 50000

    利用不同黏度煤油和真空泵油不同礦化度蒸餾水50mg l和150mg l的nacl溶液的體對頁巖和具有明顯層理的砂巖進行飽和,在實驗室聲頻率下研究樣品不同方向縱橫度以及各向異性參數
  3. Among the five kinds of nde ways ( rt, ut, et, pt, mt ), ultrasonic testing technology develops very fast because of its merits such as good orientation, strong penetration ability, higher energy and no harm to human health

    在五大常規無損檢測方法中(射線、聲、渦、滲透、磁粉) ,無損檢測因其方向性好、穿透能力強、能量高以及對人體無害等優點而得到了迅發展。
  4. Although a dual - mode scramjet ' s configuration is simple and mainly consists of inlet, combustor and wake nozzle, its working process is complicated, especially in the combustor, involving a lot of subjects, including hypersonic aerodynamics, combustion chemistry, etc. the inner flow of a combustor is three - dimensional and complicated, including the interaction of shock wave, deflagration, vortex and boundary layer, and so on

    它涉及到高空氣動力學、燃燒化學、擴散傳質等多門學科;其內部的實際動是復雜的三維動過程,充滿著激、膨脹、燃燒、各種渦系、附面層及其相互之間的干擾,因此,燃燒室問題是整個發動機研究的關鍵所在。
  5. In principle, ultrasonic sensors are suspended over a road, which keep emitting pulse signals periodically to nearby and feed back waves to decide existence of any obstacles, thus to detect the speed, height, length, different sizes ( heavy, medium and small ) of moving vehicles and accumulative flow as well as length of motorcade. optionally, it can be applied to multitude driving lanes simultaneously for traffic data. by integrating and analyzing these measured data, the necessary figures concerning traffic flow may be obtained, which are fundamental basis guiding road buildings

    本課題設計的是一種懸掛式多信息檢測器,通過懸掛于路面上方的探頭向路面周期性地發射脈沖信號,利用地面回來判斷遮擋物地存在,可用於檢測行駛中的機動車車、車高、車長、大中小分型以及累計車量、車隊長度等信息,並可用於多個車道車信息的同時檢測,綜合這些測量參數可獲得車量的必要數據,可為公路建設提供必要的基礎依據。
  6. 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,創造性地把高數據採集技術應用在量、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,有效地克服了傳統時差法測量精度差、不能測量小管徑、低量的缺點,提高了時差測量的解析度和精度。
  7. Great difference in pressure for two flow made pressure wave system and it help to extend the delay time for gas in chamber, which increases combustion effusion. second, to increase combustion effusion, the inlet temperature of air and gas should be enhanced in the range of heat releasing in chemical reaction. third, the first work condition is unburned absolutely and the second work condition is burnt in shear layer of inlet and the end of down wall zone in straight segment

    對于壓力差很大的兩股氣,所形成的壓縮系的結構可以增加燃氣駐留時間,提高燃燒穩定性;為了提高擴散燃燒的效率,在保證能放熱的化學反應溫度范圍之內,應適當提高燃氣及空氣的來入口溫度;燃氣噴嘴應居於燃燒室軸線上,是改進燃燒室結構的一種思路。
  8. And then, in the simulation of three - dimensional, the application of o - type grid and hybrid grid are used in two relatively complicated structures make the total amounts of grids and the time of grid generation reduced greatly. moreover the hexahedron grids are placed in most areas to provide higher precision. through the comparison between the results of two - dimensional and three - dimensional simulation, we knew two - dimensional calculating is not adequate

    本文用簡單、方便的二維模型作為數值計算的起點,使用耦合隱式演算法以及先進的v2f湍模型進行求解,成功地捕捉到了激,觀察到主氣從壁面的分離、切換、再附壁等現象,並對計算結果進行了細致的分析,得出一些有意義的結論;在此基礎上,本文在國內外首次對雙穩閥的三維場進行了計算。
  9. The experimental research of shocklet in supersonic turbulent mix layer

    混合層中小激結構的實驗研究
  10. To analysis combustor structure ’ s contribution to fluxion and combustion explicitly, it is necessary to study the impaction of wave system and fire temperature on chemical reaction and heat release ’ s procedure

    為了細致分析燃燒室結構和動進口參數對燃的作用關系,必須細化研究場的系結構和燃氣溫度對化學反應放熱過程的影響。
  11. In this study a primary method for designing a waverider configuration is developed based on the approximate solution of conical flow fields. the simplified cone - derived shock wave is discussed as the basic model for design. different shapes designed from different compression angles and basic geometric coefficients at the same mach number are put into analysis

    本文基於高條件下錐型近似解提出了高構形的初步設計方案,對于不同馬赫數、壓縮角以及幾何設計參數進行了外形設計並就參數對設計外形的影響進行了討論,得到了設計參數影響外形的基本規律。
  12. The recursive criterion of transient current protection based on mallat wavelet transform is presented in order to meet the real - time demands. the reserch shows deficiency existed in the prevenient principle of transient current protection, so a new improved scheme of transient current protection is proposed. the characteristics of transient protection at different bus distribution capacitance is also analysed in this thesis. the study shows that operate of transient protection is correct when the bus distribution capacitance change. other conclusion include : the trip of transient protection must be locked when the power circuit breaker of transimission line operated, because the trip is incorrect at this time ; the features of transient current and it ' s energy is different between the fault and thunder over - voltage in transimission line, and them can be identified ; the ratio of high frequency component of current in serise capaciters compensation line, svc and hvdc system is far little than fault transient current, so all of them do not affect the working of trasient current protection

    應用功率譜估計方法討論了故障高頻暫態噪聲信號在頻率軸上的分佈情況,利用功率譜分析結果實現的非參數化系統辨識方法研究了母線分佈電容對電高頻暫態信號的衰減特性。論文的後半部分(第五,六,七章)著重分析了現有基於故障電的暫態保護原理和判據存在的問題,提出了新的實現方案,並討論了暫態電保護的運行性能。利用多分辨分析和小分解快演算法構成的遞推暫態保護判據,可以準確區分故障線路和非故障線路,實現暫態電保護,計算更為簡單方便,計算度更快。
  13. Based on the analysis of the existing dedusting method of advanced coal - fired combined cycle, a new dedusting concept was proposed for the high temperature and high pressure dusty gases according to the theory that the flow direction of the gas but the dust in dusty supersonic gas flow changes and the gas velocity decreases after the dusty supersonic gas flow passes through the oblique shock

    摘要在分析先進燃煤聯合循環現有除塵方式的基礎上,根據含塵穿過斜激后,氣體動方向將發生變化,而灰塵顆粒方向基本維持不變的事實,提出了一種高溫高壓氣體除塵的新概念。
  14. The satss is an antenna pointing servo system with ultra - low speed and high accuracy, driven by a rare earth permanent magnet ( repm ) brushless dc torque motor. to reduce torque ripple, the repm brushless dc torque motor has a slotless armature, and uses sinusoidal wave driven technology

    衛星天線跟蹤伺服系統為高精度天線指向控制系統,該系統使用稀土永磁式無刷直力矩電機作為天線的驅動機構,為降低轉矩脈動,電機採用無槽電樞結構設計,並使用正弦驅動方式。
  15. Study on internal supersonic flows with pseudo - shock wave using liquid crystal flow visualization method

    液晶動可視化方法研究擬似沖擊的內部
  16. A numerical simulation software is developed that can be used to simulate standing oblique detonation waves in hypervelocity flight conditions. reasonable parameters and advanced method are provided for the application of standing detonation propulsion technology. the main points are as follows : the mathematical model is developed that can be used to analyze the properties of planar standing oblique detonation waves

    通過對駐定斜爆轟形念的理論分析和數值模擬,對高條件下斜爆轟的穩定性現象進行了系統研究,探討了產生駐定斜爆轟的臨界條件,開發了平面和錐形駐定斜爆轟場數值模擬軟體,為駐定爆轟推進技術的應用提供合理的系統參數和先進手段。
  17. We studied the influence of 2d supersoni c slope flow to the far field intensity distribution of 10. 6um and 1. 315um laser beam when flow is in different inflow mach number

    研究了二維繞楔動在不同馬赫數下的場時均參數分佈對長分別為10 . 6 m 、 1 . 315 m的激光束的遠場強度分佈的影響。
  18. Here is what they now generally expect from an event the scale of those that struck long valley and yellowstone : instead of a slow leak of red - hot lava as is seen creeping down the sides of kilauea volcano in hawaii, these eruptions feature supersonic blasts of superheated, foamlike gas and ash that rise buoyantly all the way into the earth ' s stratosphere, 50 kilometers high

    對于造成長谷與黃石公園的那些爆發,或是相同等級的現象,目前他們普遍的看法是:這些爆發不像夏威夷奇勞亞火山緩慢滲出的紅熱巖漿、沿著火山側蜿蜒出;它們的特色是以的沖擊,噴出極熱、泡沫般的氣體與火山灰,這些物質極易進入地球大氣的平層,上升到50公里的高處。
  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

    量測量技術是近幾十年來才發展起來的一種新型的量測量技術,它利用體中傳播時所載體的信息來測量量,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量、大口徑管道量、以及危險性量的測量。
  20. Complex wave structures of supersonic inlet at critical status are achieved by numerical simulation, and analysis on flow structure characteristic and shock wave structure is made

    得到了臨界工況下進氣道內外粘性場復雜的系結構,分析了場結構特性和激系結構。
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