空氣波速 的英文怎麼說

中文拼音 [kōngqìbōsù]
空氣波速 英文
atmospheric celerity
  • 空 : 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...
  • 氣 : Ⅰ名詞1 （氣體） gas 2 （空氣） air 3 （氣息） breath 4 （自然界冷熱陰晴等現象） weather 5 （氣味...
  • 波 : 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...
  • 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...
  • 空氣 : 1 （大氣） air; atmosphere 2 （氣氛） atmosphere 3 （氣閘） air brake4 pneum ; pneumo ; pneumat ;...
  1. With rapid development of power electronic technology, many new kinds of aerostat power appear. to make these new powers have good characters, studying the theory of electric parameter measurement is necessary. the combination of data acquisition systerm and pc is used widely now, and it will play an important role in electric parameter measurement

    隨著現代電力電子技術的飛速發展，新型航空器電源也不斷出現，為保證這些新型電源擁有良好的供電品質，減少對系統的諧波污染，就必須研究並解決其各項電氣參數的測試問題。
  2. Three dimensional interaction flowfield over high - speed spinning projectile with lateral jets is numerically simulated in this dissertation firstly. complicated shocks wave patterns is analyzed. several factors concerned such as high - speed spinning, attack angle, base bleed and so on, are studied

    本文首次完成了高速旋轉彈丸側噴三維干擾湍流流場的數值模擬，分析了彈丸側噴流場復雜的波系結構，研究了高速旋轉、攻角、底噴等因素對彈丸側噴流場的影響規律，深入分析了旋轉側噴彈丸的空氣動力學特性。
  3. Firstly, the three main harmful factors " characters and rules, theirs effect on civil house, demolishment criterion and control measure will be researched systemically. secondly, fuzzy mathematics, system arrangement analytical method and expert consultation method are put forward and discussed specially to set up civil house security fuzzy multi - arrangement elevation model, to evaluate blasting harmful factors " effect to neighborhood civil house ' s safety in the construction of express way, to predict the security of civil house and to bring forward control measures. lately, the forecast of the civil houses " safety by using bp neural net model and optimize of the blasting parameters will also be discussed in the dissertation

    本文的主要研究工作有：系統地研究了爆破地震、爆破飛石、爆破空氣沖擊波三大有害因素的特徵及規律、對民房的影響、破壞判據和控制措施；提出並重點論述採用模糊數學和系統層次分析法及專家咨詢法建立民房安全性模糊多層次評價模型，對高速公路建設中爆破有害因素對鄰近民房安全進行評價，預測民房安全性，提出控制措施；利用bp神經網路模型對民房安全進行預測，並對爆破參數進行優化。
  4. The flow of air in a jet stream can be likened to a fast - flowing river. where the fast - flowing river meets slow - moving water near the banks, waves and swirls are often generated

    空氣在高空急速流動，就好像水在猛急河流中流動一樣，當猛急的河水遇上河岸旁緩緩的水流時，便會產生波浪和漩渦。
  5. 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

    採用化爆加載、平面波發生器和空腔增壓技術，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 ） 、空氣（ air ）和無氧銅（ ofhccopper ）各阻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力和等熵卸載后的狀態，得到了等熵卸載路徑。
  6. 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

    它涉及到高超聲速空氣動力學、燃燒化學、擴散傳質等多門學科；其內部的實際流動是復雜的三維流動過程，充滿著激波、膨脹波、燃燒波、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。
  7. Their method exploits the fact that water vapour changes the speed at which radar waves travel though air

    他們的方法是對水蒸汽改變雷達波穿過空氣速度的實際情況加以運用。
  8. There may also be an increase in the velocity of air particles in the blast wave due to precursor action.

    由於前驅波的作用，爆震波中的空氣粒子速度可能增加。
  9. The system could measure certain distance with the reflected wave on condition in which the speed of transmitting wave is fixed

    該系統以空氣中超聲波的傳播速度為確定條件，利用反射超聲波測量待測距離。
  10. 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流，所形成的壓縮波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流入口溫度;燃氣噴嘴應居於燃燒室軸線上，是改進超音速燃燒室結構的一種思路。
  11. The research of this paper includes : ? high - speed photography and flash x - ray radiography are both used to capture the process of al shell ' s great deformation under low pressure. front illuminations are used to get the development of the fracture on the al shell. the relative energy release is analyzed from overpressure curves measured with some sensors

    本文的研究內容主要包括： ?在受試炸藥經歷低應力大變形過程的susan試驗中，同時採用高速攝影、閃光x射線照相對彈體的撞靶過程進行了拍攝，得到了殼體膨脹變形過程圖像，並使用前照明技術觀察到了鋁殼表面產生的裂紋及其發展變化過程；從壓力傳感器測量的空氣沖擊波超壓曲線，獲得反應釋放總能。
  12. A lidar uses infrared radiation wavelength of about 2 10, 000 cm to detect movement of aerosols and derive the wind speed and windshear. its working principle is the same as the tdwr, except that the tdwr utilizes microwave wavelength of about 5 cm to detect movement of raindrops and computes the wind speed fig. 9

    Lidar利用紅外線輻射波長約萬份之二厘米探測空氣中的懸浮粒子，從而得出風速和風切變的資料，運作原理與tdwr相同，唯一不同的是， tdwr利用微波波長約5探測雨點的移動從而計算出風速圖九。
  13. In order to investigate the influence of characteristics parameters on detonation wave in a two - phase pulse detonation engine model. the peak detonation pressures and average velocities of two - phase pulsed detonation wave produced by pde model using gasoline as fuel and air as oxidizer under various ignition frequencies and various mixture ratios are measured systematically, and the relations influencing them are analyzed

    為了探索氣-液兩相脈沖爆震發動機模型內特徵參數對產生爆震波的影響規律，系統地測試了以汽油為燃料、以空氣為氧化劑的氣-液兩相脈沖爆震發動機模型在不同點火頻率及不同余氣系數下爆震波的峰值壓力以及平均爆震波速，並對其變化進行了分析。
  14. The fluctuation characteristics of liquid slug length in the downward inclined pipe with a large range of gas and liquid velocities were investigated on the basis of fractional theory of air / water slug flow

    摘要利用非線性分析技術中的分形理論在較寬的流速范圍內對下傾管中空氣水段塞流的液塞長度波動特性進行了研究。
  15. Based on aerodynamic theory and the characteristics of the shockwave around a supersonic projectile, the article constructs a mathematical modeling of a l - shaped vertical target for projectiles shooting with forward direction and any direction, and analyzes the error sources and provides correcting ways to lower the error

    摘要本文根據空氣動力學理論和超音速彈丸的激波特性，建立了在使用l型立靶基礎上正向射擊和任意角度射擊時的數學模型，並進行了誤差分析，提出了減小誤差的修正方法。
  16. Abstract : with an optical probe based on the principle of multi - wavelength light extinction, size and concentration of droplet were measured in a transonic wind tunnel. this paper presents the measurement results

    文摘:應用基於多波長消光法原理發展的光學探針，測量了跨聲速風洞中不同馬赫數濕空氣流自發凝結形成的水滴尺寸及濃度，並給出了實驗結果。
  17. There is no air between the wire and hull to increase the dimension for quick heat transpiring and decrease the rising of wire temperature. the junction is combined from two directions thus to double the contact dimension and decrease the temperature of wire and junctions

    3銅排與外殼之間無空氣隔層，熱阻小，波紋蓋板增大了散熱面積，導熱速度快，降低了導電銅排的溫升。
  18. This paper conclude the history and present situation of the research of the compression wave home and abroad ; summarize the forms dimensions of the railway tunnels and tunnel hoods abroad ; discuss the physics model and mathematics model of the air flow when high - speed train running in a tunnel and introduce the compulation method of the pressure in tunnels briefly

    本論文首先總結了隧道壓縮波研究的歷史和現狀：針對高速列車所引起的空氣動力效應要求，統計了國外高速鐵路隧道及各種緩沖結構的形式和尺寸。討論了高速列車在隧道內運行中引起的空氣流動物理模型和數學模型，並簡單介紹了隧道內空氣壓力的計算方法。
  19. Based on the linear filter technology of random process, artificial wind speed processes are generated with the autogressive - type simulation method, which consider time and spatial correlativity. then the time history record of fluctuating wind pressures are obtained considering the velocities coupling and the added air mass

    採用線性濾波器法中的自回歸模型及參數識別技術模擬了多維脈動風速時程，風速轉化為風荷載時考慮風與結構的速度禍合、空氣附加質量等因素。
  20. Experiments have demonstrated that, under the condition of constant temperature ( 20 ), the frequency error of double - frequency laser interferometer with two longitudinal modes could be controlled within 10 " 9 even with conditions such as with cool or hot air blowing, it can still be kept within 10 " 7. self - organised fuzzy control methods can be realised in a single - chip processor which contains fuzzy optimisation and self - organisation functions. the above - mentioned system possesses the following advantages : simple

    / znl （式中c為光速， l為諧振腔長， n為空氣折射率，其值約790mhz ） ，原理上對目前可能要求的測量速度都能滿足;它發出的光為一對互相垂直的線偏振光，與塞曼型雙頻激光干涉儀相比，它不用外加軸向磁場及1 / 4波片，因此結構簡單，造價低廉。
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