水力振動 的英文怎麼說

中文拼音 [shuǐlìzhèndòng]
水力振動 英文
hydraulic vibration
  • 水 : 名詞1 （由兩個氫原子和一個氧原子結合而成的液體） water 2 （河流） river 3 （指江、河、湖、海、洋...
  • 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...
  • 振 : 動詞1. （搖動; 揮動） shake; flap; wield 2. （奮起） brace up; rise with force and spirit
  • 水力 : waterpower; hydraulic power水力剝離 [采礦工程] hydraulic stripping; strip with water; 水力采礦 hy...
  • 振動 : vibrate; vibration; vibrance; vibrancy; vibra; vibes; shaking; rumble; jitter; chatter; sway; jar...
  1. Strip - shape underground structures such as the tunnels and tubes for various uses can be treated as a beam on elastic foundation under earthquake condition ， although there exists soil - structure interaction ， the foundation soil vibration is dominant in other words ， analysis of earthquake response of the soil is essential to this end ， simplified models ， ( i. e equivalent mass system models based on some equivalence criteria ) are proposed ， instead of a general 3 - d continuum model in this study ， equivalence criteria are proposed and the simplified models are compared the single - mass - string model is proved to be valid and therefore applied to the analysis of earthquake response of the pearl river immersed tunnel

    條裝地下結構如隧道、各種埋設管道等一般可看作彈性地基梁進行靜力及動力分析在地震條件下，結構與土相互作用，但土的振動成為主要因素為分析土的地震響應需把基土這一三維連續體作簡化處理，簡化成為等效多質點模型本文著重探討這種簡化模型的建立方法，推導等效方程，通過幾種簡化體系的分析比較，論證單質點串體系的合理性，並將其應用到廣州黃沙芳村珠江水下隧道工程的地震響應分析，為抗震設計提供依據
  2. The dynamic characteristics of wharf piles subjected to lateral load is analyzed, used the dynamics theory. it gives an analysis and research to the functional mode of wharf foundation pile under flood tide torrent

    論文對水平荷載下碼頭基樁的動力特性進行分析，用振動力學理論對碼頭施工中的基樁進行動力分析。
  3. Based on the research of the characteristics of piezoelectric ceramic, this paper presents the analysis of the movement of the stator surface points and work principle of motor. this paper describes a theory about the influence of the ultrasonic vibration on the frictional properties of ultrosonic dring, and finds that the horizontal vibration produces friction driving force and vertical vibration affects horizontal driving effect

    並且對行波型超聲波電動機的減摩現象進行了研究，發現在接觸區定子表面上一點的水平振動產生摩擦驅動力，垂直振動只起影響水平驅動效果的作用，得出垂直方向超聲振動具有減振作用是引起超聲驅動動摩擦系數降低的原因。
  4. On the basis of analyzing the working circumstance and prosperity of downhole drilling string of the surface dynamic rotating drilling vertical well, the force prosperity and failure forms of downhole drilling string are focused on. and further research has been done on the vibration damage of downhole drilling string as well as the construction and work prosperity of vibrating - proof hydraulic shocker absorber

    本文在對地面動力旋轉鉆井直井井下鉆柱的工作環境和特性加以分析的基礎上，著重對鉆柱在井下的受力特性以及損壞形式進行了分析，並對鉆柱在井下的振動危害以及用於防止振動的水力加壓減震器的結構、工作特性等一些規律進行了深入的探索和研究。
  5. A low frequency hydraulic vibrator for water injection

    低頻水力振動注水器
  6. Series of screen - bohou adopt large amplitudes, big intensity of vibrations, flexible screen surfaces, the motion parameters characteristics of adjustable amplitudes ; the unique structural features of " board of screen active, box inactive, unattached vibration of the screen surface " ; though segmented, multi - segments of screen surface jointed, large - scale of screen equipments can be realized, the advantages of large area, big handling capacity and no special requirements to the water of materials make the screen to be the best screen equipments used for the small wet materials

    簡介：博后篩系列採用大振幅、大振動強度、彈性篩面、振幅可調的運動參數特點；及獨特的「篩板振動、篩箱不振動、各段篩面獨立振動」的結構特點；經分段、多段篩面組合，實現了篩分設備大型化，大面積、大處理能力的優勢及對物料水分的無特殊要求，是潮濕細粒難篩物料的最佳篩分設備。
  7. Dialing the working process of the level rudder hydraulic system in submarine, serious vibration and noise will be produced, which affects the submarine ' s combating capability

    潛艇水平舵液壓系統在工作過程中，振動噪聲嚴重，影響潛艇戰鬥力的綜合發揮。
  8. There is no effective method to forecast and estimate the hydraulic vibration of hydraulic turbine up to now in the world, much less research in - depth for powerhouse structure resonance excitated by hydraulic disturbance of hydrogenerator set

    目前國內外尚無完善的水輪機水力振動預估方法，而對機組水力振動引起的廠房結構共振更是未深入研究。
  9. As to the current problems existing in the identification for these flutter derivatives, the dissertation tries to trace the development in the identification for the past unsteady aerodynamic forces of long - span bridges. it also investigates the method for flutter and buffeting analysis and the flutter derivatives. based on the present methods used in obtaining the unsteady aerodynamic forces and flutter derivatives, and co - funded by a natural scientific fund from the nation and a key project fund from the railway ministry, the current research has attempted to develop a device which can be employed in the wind tunnel to test flutter derivative through a forced vibration method

    鑒于目前橋梁斷面顫振導數識別的水平和存在的問題，本文通過對大跨度橋梁非定常氣動力、顫振分析方法及顫振導數識別方法的回顧和評述，基於現有的非定常氣動力和顫振導數的測試方法，在國家自然科學基金與鐵道部重點學科基金的聯合資助下，研究開發了一套在風洞中採用強迫振動法測試顫振導數的裝置。
  10. The level first frequency variety regularity following the pre - stressing cable value is achieved through white noise sweep checking. the conclusion that model is in elastic work stage is achieved

    對結構模型進行了振動臺試驗，採用白噪聲對結構模型進行掃頻分析，得出結構水平第一振型對應頻率隨拉索預應力值的變化規律。
  11. Baking - free brick was made by using fly ash, sand, cement and other industrial wastes, which makes the cost of material low. furthermore, when it was made, the degree of mechanization is very high, using few workers, production cycle is short, thus the cost was lowered

    免燒磚是採用粉煤灰、砂子、石粉、礦渣等工業廢渣按一定比例加入水泥振動，強力壓制而成，原料來源價格低，加之生產時機械化程度高，用人少，生產周期短，因此成本低，免燒磚的價格比紅磚低，裝卸時不容易損壞邊角，且沒有粉塵，衛生條件好，對人體的呼吸道傷害小。
  12. Based on the vibration test in yantan hydropower house, in this paper the author adopt les method which belong to three dimensions unsteady turbulent flow numerical analysis to simulate vibration resource characteristics of hydrogenerator set, a harmonic vibration model of powerhouse substructure is put forward to carry out firstly a precise modal analysis and dynamic response analysis for generator floor. the numerical calculation results agree well with the surveyed data in situ

    本文結合巖灘水電站廠房振動的試驗研究，採用非定常湍流數值分析的大渦模擬方法進行混流機組水力振動振源模擬；提出一種水電站廠房下部結構簡諧振動模型，首次進行了發電機層樓板結構的精確模態分析和水力激振荷載下的動力響應分析，各項計算結果與實測數據吻合良好。
  13. In chapter 4, the model - building principle and calculating method of finite element dynamic analysis for large - sized assembled structure are discussed. the substructure model for hydropower house vibration analysis is established to obtain precise modal of generator floor. the harmonic vibration assumption is adopted to calculate house structure ' s dynamic response from hydraulic excitation force of hydraulic turbine generator unit

    第四章討論了大型組合結構有限元動力分析的建模原則和計算方法，建立水電站廠房振動分析的下部結構模型，對巖灘廠房進行整體模態分析，較準確地得出發電機層樓板自振特性；同時引進簡諧振動假定，迸行了機組水力振動作用下的廠房結構的動力響應分析。
  14. The calculation shows that the attenuation of hydraulics oscillation relates to power, but other kinetic characteristics don ' t change with work point greatly

    通過計算表明，其水力振蕩衰減速度與出力有關，而系統的其他運動特性隨工況變化較小。
  15. Matlab procedure is coded to compute the far - field sound pressure levels of the shell excited by radial point force. the influences of modal truncation, stringers, bulkheads and damping on the shell ' s far - field sound pressure are analyzed, laying down the basis for accurate analysis of the sound radiation from fluid - loaded reinforced double cylindrical shells

    本文用matlab編製程序求解了單層殼在徑向激勵力作用下的遠場聲壓級，分析了模態截斷數、縱骨、艙壁板、結構阻尼等因素對殼體遠場輻射聲壓的影響，為準確計算加筋雙層殼在水下振動和聲輻射特性奠定了基礎。
  16. The granular separation phenomenon in the monolayer horizontal vibration granular system was studied with the mean field statistical mechanics method

    摘要為了研究單層水平振動顆粒系統中的顆粒分離現象，將一種基於平均場理論的統計力學方法運用到格點化的單層水平振動顆粒體系中。
  17. Transmission characteristic of low frequency hydrodynamic oscillation in oil layers

    低頻水力振動在油層中的傳播特性
  18. Experimental research of the transmission characteristic of low frequency hydrodynamic oscillation in cores

    低頻水力振動在巖心中的傳播特性實驗
  19. In this paper, the theory for lateral vibration of pile foundation with consideration of shear deformation of pile is established, and the influence of the ratio of pile length to its diameter, the ratio of pile stiffness to soil stiffness and dimensionless frequency were studied systemically

    本文建立了一整套考慮樁體剪切變形的樁基水平振動分析理論，並較系統地研究了樁的長徑比、樁土剛度比、激振頻率等因素對樁基水平動力響應的影響。
  20. Furthermore, the analytical solution for the lateral vibration of single pile embedded in layered soils was obtained, and the influence of the shear deformation on the lateral dynamic response was examined

    在此基礎上，進一步得到了成層粘彈性地基中考慮樁體剪切變形的單樁水平振動解析解，並分析了樁基剪切變形對水平動力響應的影響。
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