氣體動力波動 的英文怎麼說

中文拼音 [qìtǐdònglìbōdòng]
氣體動力波動 英文
aerodynamic oscillation
  • 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...
  • 體 : 體構詞成分。
  • 力 : 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...
  • 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...
  • 氣體 : gas; gaseous fluid
  • 波動 : 1 （不穩定） undulate; fluctuate; unsettle; surge; rise and fall 2 [物理學] wave （motion）; wave...
  1. The hyperbolic conservation laws with relaxation appear in many physical systems such as nonequilibrium gas dynamics, flood flow with friction, magnetohydrodynamics, etc. firstly, the thesis proves that there exists a unique global smooth solution for the cauthy problem to the hyperbolic conservation laws system with relaxation ; secondly, in the large time station, the thesis proves that the global smooth solutions of the hyperbolic conservation laws system with relaxation converge to rarefaction waves solution at a determined l ( p > 2 ) decay rate

    帶鬆弛項的雙曲型守恆律組出現在諸多的物理系統中。例如，非平衡態的氣體動力學、帶摩擦的水流、磁動力學等。本文首先證明，帶鬆弛項的雙曲型守恆律組的柯西問題的整體光滑解的存在唯一性；其二，證明了帶鬆弛項的雙曲型守恆律組的解與相應的平衡態守恆律的稀疏波解在大時間狀態下的l ~ p衰減率。
  2. Ultrasonic has being attracted much attention gradually in fuel atomization because of some specialities of cavitation and infection on liquid flow. in the course of atomization of pitchy oil, especially, does it show greatly its advantage, but its material atomizational mechanism need research ulteriorly. the primary content of this thesis is about adding cantilever reed to effervescent atomizer so as to combine ultrasonic and effervescent. this thesis has discussed ultrasonic some mechanism, ultrasonic dynamical procreator, effervescent and liquid mucosity infection on atomization, at the some time we make some experiments and discuss atomization rule following some machinery parameter and run parameter so as to find some rule about ultrasonic atomization and to rich the research of ultrasonic atomization mechanism. all that will be beneficial to the design about ultrasonic atomization atomizer

    超聲波由於其空化機理及對液體的流變性影響等特性，在燃油霧化燃燒中逐步引起人們的重視，尤其在重渣油等高粘度液體的霧化過程中逐步顯示出其優越性，但其具體的霧化機理還需要做進一步的研究在氣泡霧化噴嘴基礎加入懸臂式簧片哨，將超聲波與氣泡霧化相結合是本文討論的主要內容本文從研究超聲波的一些機理入手，討論了超聲動力發生器氣泡霧化以及液體粘度對霧化質量的影響，並通過具體的實驗，根據實驗數據來討論霧化質量隨各種結構參數運行參數的變化規律，以便找到超聲霧化的一些規律，豐富對超聲霧化機理的研究，對超聲霧化噴嘴的設計具有一定的指導意義。
  3. Water wave pump combines the functions of air wave charger and water hammer pump to show fine performance, where the total energy of inflow is redistributed to heighten the presure of a part of the the flow to the desired level whereas for the rest of flow a low level of pressure is maintained, which causes moving water with high energy to reach to a higher place

    水波泵是一種巧妙地綜合氣波增壓器和水錘泵功能的全新的水泵，它通過合理利用水波動力的特殊性質，將來流中的總體能量進行重新分配，使一部分來流水提高到所需的高壓力，而其餘部分水則降到較低的壓力，即完成一個大多數能量向部分來流水轉移的過程。
  4. Topics include : planets, planet formation ; stars, the sun, " normal " stars, star formation ; stellar evolution, supernovae, compact objects ( white dwarfs, neutron stars, and black holes ), plusars, binary x - ray sources ; star clusters, globular and open clusters ; interstellar medium, gas, dust, magnetic fields, cosmic rays ; distance ladder ; galaxies, normal and active galaxies, jets ; gravitational lensing ; large scaling structure ; newtonian cosmology, dynamical expansion and thermal history of the universe ; cosmic microwave background radiation ; big - bang nucleosynthesis

    課程的主題包含了：行星、行星形成；恆星、太陽、正常的恆星、恆星形成；恆星演化、超新星、緻密天體（白矮星、中子星及黑洞） 、波霎、雙x -射線源；星團、球狀及疏散星團；星際介質、氣體、塵埃、磁場、宇宙射線；距離階梯；星系、正常及活躍星系、噴流；重力透鏡；大尺度結構；牛頓宇宙學、宇宙的動力膨脹及溫度發展歷史；宇宙背景微波輻射；大霹靂核合成。
  5. Presents the model proposed for analyzing the vibration characteristics of shrouded blades and their calculation method by employing a wave propagation theory and modal synthesis technology coupled with a finite element method from the view point it is possible not only to conduct frequency modulation of the shrouded blades of a gas turbine, but also to utilize the friction effects between them to dissipate energy, thereby attaining the aim of vibration alleviation, as shrouded blades have been widely used in the design of high - speed turbomachinery, such as modern gas turbines and steam turbines, and with the shrouded blades forming an integral whole in a centrifugal force field, the vibration characteristics of the whole ring of blades are different from those of a single isolated blade, and this makes it essential to take into account the integral effect of blade shrouds, concludes from the calculation examples and engineering application that the above approach is valid and correct along with the possibility of considerably reducing the scale of calculation and analysis, and points out it is necessary to take into consideration the coupled effect of the whole ring of blades while the dynamic characteristics of shrouded blades is being analysed

    帶冠葉片不但能調頻，還可以利用葉冠之間的摩擦效應來耗散能量，達到減振的目的.帶冠葉片在離心力場中形成一整體，其整圈葉片振動特性不同於單個孤立葉片，需考慮葉冠的整體效應.利用帶冠葉片系統的循環對稱性，提出了採用波傳播理論和模態綜合技術，結合有限元方法研究燃氣輪機帶冠葉片振動特性的分析模型和計算方法.算例和工程應用證明了該方法是效性的、正確的，並可以大大降低計算分析規模.研究表明帶冠葉片動力特性分析時必須考慮整圈葉片的耦合效應
  6. The numerical simulation of axisymmetric two - dimensional shock tube is studied, which has a conical convergent section, and its driving gas is the hot product of hydrogen oxygen detonation. finite volume tvd scheme is adopted and the mesh is local orthogonal. the primitive equations are euler s equations of multi - component flow. the new method of eliminating numerical oscillation at the interface of two materials is extended to two dimensions. the mechanical character of this shock tube is analyzed

    對由前向爆轟產生驅動氣體並具有局部錐形收縮截面的軸對稱激波管利用兩相常比熱完全氣體的歐拉方程組和有限體積tvd格式在局部正交的網格上進行了二維數值模擬。將消除兩種介質界面處數值振蕩的新方法成功地推廣到二維情況。分析了該激波管的力學特性。
  7. The plane - wave analytic solution of the coupled fluid - air - solid system and the fem model of air cushion isolations are applied to study the influence of air cushion on earthquake response of dams. the calculations show that air isolation will reduce the hydrodynamic pressure significantly and restrain the dam vibrations during earthquakes. if the dam and reservoir is isolated by air cushions, it will decrease the hydrodynamic pressures by more than 90 % and the seismic stresses by 20 - 30 %

    將本文首次提出的水體-氣體-結構系統的平面波作用理論解和三維有限元模型，應用於溪洛渡雙曲拱壩的抗震安全性和氣幕隔震可行性研究中，表明氣幕對高拱壩具有良好的隔震性能，可降低動水壓力90以上，壩體地震拱應力20 30 ，減震效果顯著，並使壩體的抗拉安全系數從0 . 93提高到3 . 58 。
  8. Analyses of shock structure based on the kinetic theory of gases have been completed.

    根據氣體動力學理論分析激波結構的工作已經完成了。
  9. How to compute the slamming press of ship bow in waves is a complex problem which is not settled completely till now. it involves the dynamic features among air, fluid and structure

    如何計算在波浪中運動的船舶底部的砰擊壓力，這是個相當復雜的問題，至今尚未能很好地解決，它涉及到空氣-流體-結構三者之間的動力特徵。
  10. Attenuates slower than the c. e., when the wing fly high enough, the c. e. is the main effect to the aerodynamic characteristics. 3. the larger the chord, the stronger the c. e. and w. e

    飛行高度較低時，波動效應和曲壁面效應對機翼的氣動力都會產生很大的影響，兩者之間存在較強的藕合效果;但是飛行高度較高時，綜合的結果主要體現了波動效應的特徵。
  11. By comparing single - scroll compressors with twin - scroll compressors, the gas forces of twin - scroll compressors vary smoothly with the crank shaft angle

    與單頭渦旋齒所受氣體力相比，雙頭渦旋齒所受的氣體力具有變化平穩，波動小等特點。
  12. For sand, glass bean, quartz sand and pvc, pressure fluctuations were measured at different conditions. furthermore, statistics analysis, power spectral density ( psd ) analysis and chaos analysis of pressure fluctuations in gas - solid cfb were conducted. an investigation of the effect of circulating solid flux, superficial gas velocity, height from riser bottom and particle property on the parameters ( e. g

    本文測定了河砂、玻璃珠、玻璃砂和pvc四種顆粒在不同固體循環量、不同表觀氣速、不同軸向高度下的壓力波動，進而對氣固循環流化床壓力波動時間序列進行了統計分析、功率譜分析和混沌分析。
  13. In addition to the thermal reasons, the advection of arctic sea ice ( pacific section ), which is the result of dynamic factors, is closely related to the frequency shift that occurred in chukchi sea

    楚科奇海海冰范圍的年際變化中存在由低頻向高頻變化的現象，該現象除了在局地氣溫變化中存在之外，在北冰洋區域風渦度、波弗特海緯向風、東西伯利亞海經向風等動力因素中也有所體現。
  14. Data of response of three high - pressure transducers are acquired respectively with effect of gas - shock tube and quick - opening valve. dynamic characters of transducers are known fully because of complementarity of data when transducers are calibrated at different frequency bands and pressure ranges. characteristic of excitation signal and its influence for modeling are discussed in this paper

    將三種高壓傳感器在氣體激波管和快速閥門上分別得到激勵響應的數據，根據兩者所能校準的頻率段和壓力范圍不同，利用數據的互補性，可以對傳感器的動態特性有全局的了解。
  15. As one part of the research program of study on reliability of stability of high rock slope and optimization of support, the thesis does further study on blasting and achieves some results as follows : ( 1 ) the interaction of shock wave and explosive gas due to blasting is the important cause to the destroy of the rock. the rock in the line of every hole is easiest to be destroyed while single - row blasting. dynamic loads of blasting can be simplified to triangular loads

    本文作為「巖質高邊坡穩定可靠性與支護結構優化研究」研究課題的一部分，對邊坡工程中的爆破施工進行了深入的研究，主要取得了以下成果： （ 1 ）沖擊波和爆生氣體的共同作用是引起巖石破壞的重要原因；單排爆破中炮孔連心線上最容易破壞；爆破動力荷載可以簡化成三角形荷載。
  16. Selective absorption of electromagnetic wave. adw employing gases which do n ' t absorb the laser energy can form a gas urtain " whose pressure of the two sides is equal to the low pressure of laser cavity and the ambient circumstance pressure respectively so it can isolate the higher pressure ambient air from entrancing into the laser cavity and maintain the hel ' s running normally

    氣動窗口利用對激光器輸出波長沒有任何吸收作用的特殊氣體作為窗口工作介質，並根據氣體動力學部分相關原理，能生成一個具有與激光腔低壓和環境大氣高壓相匹配的壓力梯度、並把激光器低壓工作介質和外界大氣相隔離的「氣幕」 ，從而保證高能激光器的正常工作。
  17. Based on the theory of gas dynamics and thermodynamics, the cooling mechanism and the formation and running rule of shock wave in the tube of the thermal separator was explored

    從熱力學及氣體動力學角度出發，探討了熱分離機的製冷機理、激波的形成與運動規律。
  18. Firstly, the propagation of intense laser light in ionizing gases is analyzed including the ionization - modulation instability, the vectorial and nonparaxial effects, and the mechanism of laser energy loss. secondly, we analyze the propagation of intense laser light in plasmas, and effects such as the weakly relativistic nonlinearity, the ponderomotive force and the wakefield are analyzed

    文中對強激光在電離氣體中傳輸的電離不穩定性、矢量非傍軸傳輸和能量損耗機制，以及強激光在等離子體中傳輸的弱相對論性非線性效應、有質動力作用和尾波場效應等都作了基本的分析。
  19. The former one is a product of the pressure pulsation resulting from the fan blade periodically cutting the air, with the blade passing frequency as its base frequency and accompanied by higher harmonics. the wide - band turbulent noise is formed when the rotating fan forces the surrounding air to produce turbulent throw - outs and results in gas thickening and thinning processes

    旋轉噪聲是由於風扇的葉片周期性地切割空氣，引起空氣的壓力脈動產生的，以葉片通過頻率為基頻，並伴有高次諧波。湍流噪聲是由於風扇運動導致的周圍空氣發生湍流脫體，使空氣發生擾動，形成氣體的壓縮與稀疏過程而形成的，是一個寬頻帶噪聲。
  20. The second half of the course comprises gas dynamic discontinuities, including shock waves and detonations, and concludes with another large block dealing with two - dimensional flows, both linear and non - linear

    而課程的第二部分內容為氣體動力學中的不連續問題（包括激波和爆炸） ，結論部份主要會討論線性和非線性的二維流動。
分享友人
分享到 Line

分享到臉書