相速度 的英文怎麼說
中文拼音 [xiāngsùdù]
相速度
英文
phase speed-
The remaining factor in(7, 8. 3)is the carrier wave and its phase velocity is c.
(7,8.3)中剩下來的一個因子就是載波,其相速度是C。The influence of inflow velocity, the baffle body height and the clapboard position on the flow velocity, flow equilibrium between the two sides of the clapboard, particle distribution, rich / lean concentration ratio and flow resistance characteristic are studied numerically
文章研究了來流速度,撞擊塊高度、隔板位置等因素對氣相速度場、隔板兩側配風均勻性、顆粒濃度、濃淡分離比和燃燒器內阻力特性的影響。Equation(4) permits a simple deduction of the relation between the phase velocity and the period.
用方程(4)可簡單推導相速度和周期的關系。This paper presents the method of design and parameter optimizing in a phase - locked controller, which is used in high - speed brushless direct current motor ( bldcm ) speed control
摘要提出一種用於高速無刷直流電動機鎖相速度控制器設計和參數優化方法。With any signal you can talk about two speeds called the phase velocity and the group velocity
對于任何信號都有兩個速度即相速度和群速度。Each small peak in the carrier would travel to the right with the usual phase velocity.
載波中的每個小峰都以通常的同相速度向右方運動。Experimental study on two - phase velocity field in counter - flow spray saturator
逆流噴霧式飽和器內兩相速度場的實驗研究Wave phase velocity
波相速度Equation ( 4 ) permits a simple deduction of the relation between the phase velocity and the period
用方程( 4 )可簡單推導相速度和周期的關系。The phase velocity basically tells you how fast a pure sine wave ( with a single frequency ) moves
相速度可以告訴我們一個純正弦波的傳播速度。The radial velocity profile of the liquid is dependent on the superficial air velocity and the column height, and flows from the wall to the center at bottom of the column
徑向液相速度既與氣相折算速度有關又與位置高度有關,在塔底部呈現負值,這意味著向塔軸心方向流動。The effect of air distributor on the flow fields was studied with emphasis. the working conditions of the bubble column simulated in the numerical study were as same as in the experiments. the velocity profile at axial direction showed a peek in the center, and a backward flow near the wall when usl / usg < 19. 6
鼓泡塔內軸向液相速度的徑向分佈呈塔中心峰值、壁面附近倒流形式,且與氣相折算速度大小有關,當液相折算速度一定時,隨氣相折算速度增大而愈加陡峭,返混也劇烈。Air is entrained as water jetting into water cushion pool, the gas - liquid two phase flows field are formed. the every phase velocity field are measured by using piv and ptv ( particle tracking velocimetry ) method in the course of jet angle 75and60 in gas - liquid flows of water cushion pool. image house of two phase flows are set up
西安理工大學碩士學位論文使用數字圖像處理技術中的piv和ptv測速技術就射流入水角75度和60度兩種情況分別測量了水墊塘模型水氣兩相流流場的各相速度場,建立了相應的兩相流流態圖像庫。Directed by wave theory of fractured media, the elastic parameters of eda medium are determined in the light of hudson - fractured theory, and christoffel equation gives the formula of the phase velocity of p - wave by which, effects of velocity on behalf of kinetic characteristic and reflection coefficient on behalf of dynamical characteristic form fractured density and azimuty is discussed
本文以裂隙介質的波動理論作指導,根據hudson裂隙理論,求出eda介質的彈性參數。在此基礎上,應用christoffel方程求出的地震縱波相速度表達式,探討了裂縫密度和裂隙方位對代表波場運動學特徵的縱波速度和代表波場動力學特徵的反射系數的影響。We found the " forward stimulated raman scattering " will be excited if the pulse length is greater than plasma wave length. the " forward stimulation raman scattering " decreases the phase velocity and the amplitude of the wake wave which will lead to the reduction of maximum kinetic energy of the electrons trapped
結論是:當脈沖長度接近等離子體波長時,稀薄等離子體將發生「前向受激raman散射」 ,它使脈沖后沿拉長,導致尾流場的相速度變小,以至於被尾流場「捕獲」的電子最大動能大大下降。Because of the resonant interaction between the reb electrons and the wave excitated by the embp instability, the reb electrons cannot transport continuously, but in form of current clumps. the transport velocity is close to the phase velocity of the wave
因為embp不穩定性所激發的波和束流電子之間的共振相互作用,束流電子不是連續地傳播,而是以電流團的形式傳播,傳國防科技大學研究生院學位論文播速度接近於波的相速度。The x - ray diffraction, scanning electronic microscope and the squid were used to characterize the properties of the mgb2 core in mgb2 / fe tapes and wires. the effect of the proportion of mg, b and sic as well as the sintering parameters on the phase formation, microstructure and the critical current densities of mgb2 / fe tapes and wires was discussed in details. the results showed that the high purity of mgb2 core could be synthesized by both the traditional vacuum sintering and the sparking plasma sintering and the vacuum sintering environment restrained the oxidation of mg effectively
相對于傳統真空燒結, sps燒結方式成相速度快、樣品晶粒細小均勻、 mgb2超導芯緻密性好、晶間連接優良,因而sps燒結樣品的臨界電流密度明顯高於傳統真空燒結樣品,其中未摻雜的帶材樣品經過sps800 , 15分鐘燒結后,自場下的臨界電流密度jc值在10k時達到8 . 64 105a / cm2 ,而且隨著測量溫度和外加磁場的增加, sps燒結樣品的臨界電流密度下降率比傳統真空燒結樣品緩慢,在20k ,自場時為5 . 97 105a / cm2 , 20k , 3t時,臨界電流密度值仍大於104a / cm2 。By means of a detailed analysis to the interaction between droplet and its carrying fluid for horizontal stratified / atomization two - phase flow, a theoretical model is proposed to calculate the droplet axial velocity profile and the relative slip between dispersed phase and continuous phase
摘要通過對水平分層霧化流中液滴和其攜帶流體間交互作用的分析,提出了一個預則水平分層霧化流中軸向液滴速度分佈以及彌散相和連續相之間相對滑移的理論模型,通過計算獲得了兩相速度參數及相對滑移參數。With increasing flow exponent, the velocity of power law fluid near the pipe center decreased, and the velocity of particle near the pipe center increased but decreased near the pipe wall
隨著流動指數的增加,冪律流體在圓管中心附近的主流速度減小,同時顆粒相速度在圓管中心附近增大,而在管壁附近減小。And then simulations of gas - particle two phase plane wake and gas - particle two phase plane jet were carried out by using this model. after numerical simulations of the two flow fields were finished, series of analytical work was done. first, the distribution of time - averaged velocity, turbulence intensity was analyzed, and some of the simulation results were compared with those of the experiments ; the coherent structure of vortices in the near wall region of the plane wake flow were studied by describing the evolution of the eddy structures, including the forming, developing and shedding from the wall of the vortices in the near wall region ; the coherent structure of vortices in the whole field was also studied, such as the forming, developing, moving, pairing and merging of the eddies etc.
在對上述兩種流動形態的二維大渦模擬研究中,首先全面地分析了氣相時均流場的速度、湍流強度的分佈規律以及氣相速度的脈動規律等並就部分數值模擬結果與實驗結果進行了對比研究;分析了平面尾跡流場中近壁處旋渦擬序結構,全面和逼真地反映了近壁處旋渦的生成、發展和脫落的規律;描述分析了平面尾跡流和平面射流的全場流動旋渦擬序結構,從整個流場的角度反映旋渦的生成、發展、運動以及旋渦之間相互配對、合併的作用規律等。分享友人