particle velocity 中文意思是什麼

particle velocity 解釋
粒子速度
  • particle : n 1 顆粒，微粒；微量，極少量。2 【物、數】粒子，質點。3 【語法】虛詞，不變詞〈冠詞、副詞、介詞、...
  • velocity : n. 1. 迅速；快速。2. 速度，速率。3. 周轉率。
  1. In the bed load layer, the stream - wise particle velocity profile follows the log - law, and the average is 8. 2u *

    在推移區內，顆粒的縱向速度沿垂線接近對數分佈，平均運動速度為8
  2. The relationship between shock wave velocity and particle velocity of no - porous enstatite can be expressed as : d = 3. 771 + 1. 516u where the unit of velocity is km / s

    可以認為，從p phugongiot數據看，在50 160gpa范圍內，頑火輝石的高壓相是穩定的。
  3. The linear relationship between shock wave velocity d and particle velocity u of our samples were obtained : d = 3. 701 + 1. 527u there the unit of relocity is km / s. no phase transition shows for enstatite with perovskite structure according to the experimental linear d - u line up to 110gpa

    實驗結果表明，在80 115gpa壓力范圍內本文所用頑火輝石的沖擊波速度d與粒子速度u可用線性關系： d = 3 . 247 + 1 . 626u來描述。
  4. The effects of impact angle, particle velocity, erodent size and impact time were demonstrated

    研究了沖蝕角度、沖擊速度、磨粒尺寸、沖蝕時間等影響因素對材料的沖蝕率的影響。
  5. Upbuild the signal model for ship noise, deduce the relationship between sound pressure and particle velocity in plane wave

    建立本艦噪聲的信號模型，推導了平面波聲場聲壓和振速的相關性。
  6. Compared with the pressure hydrophone, vector transducer can provide both the information about pressure ( scalar quantity ) and particle velocity ( vector quantity ) of the sound field, which offers more possibilities for signal processing. so vector transducer and its signal processing have attracted the attention of researchers both native and foreign. in this thesis, a method of correlation equations for pressure gradient transducer is presented, and the estimation of multi - signal parameters with single vector transducer is given

    與傳統的聲壓水聽器相比，矢量水聽器既能獲得聲場中的聲壓這一標量信息，又能獲得聲場中質點振速這一矢量信息，這為其信號處理帶來更大的空間，因此矢量水聽器及其相應的聯合信息處理技術日益成為國內外科技工作者們研究的熱點。
  7. Results indicate that with the approximation of _ ( 0 ) _ ( 0 ) - grtlneisen equation of state is usable to describe the release isentrope of ofhc copper in the present pressure range. in addition, the difference ( w - 2u ) becomes greater with the increase of shock pressure, where w is the measured particle velocity at the final release state ( 1 atm ) and 2u is computed from the mirror line of hugoniot

    卸載路徑的計算和分析表明：在所研究的壓力范圍，無氧銅的等熵卸載過程用gr neisen狀態方程在_ 0 _ 0 =近似下的描述是適用的；卸載到一個大氣壓的終態粒子速度w與鏡像反演的粒子速度2u的偏差，隨沖擊波壓力的增加而增大。
  8. Experimental techniques for simulating cavity decoupling explosion in laboratory wear developed, which include a center initiating explosive charge designed in shape of mini - spherical with yield equivalent to 0. 125 ~ 8. 00gtnt, circular electromagnetic particle velocity gages and aluminum bar strain gages measurement techniques, spherical divergent stress waves generator. large amount of tamped and cavity explosion experiments had been made in granite, soil, cement mortar and water media environment, respectively

    本文建立起了包括中心起爆的0 . 125 8 . 00gtnt微型球形炸藥裝置的研製、圓環形電磁粒子速度計及鋁桿應變計測試技術和球形發散應力波實驗裝置等在內的實驗室微型藥量空腔解耦化爆模擬技術，並在花崗巖、土、水泥砂漿和水等介質中進行了大量的填實和空腔爆炸實驗研究。
  9. Effect of injecting inert particles on coking prohibition and particle velocity uniformization in downer reactors

    下行床反應器中惰性顆粒射入對結焦抑止和顆粒速度均勻化的影響
  10. The distribution of stream - wise particle velocity follows the log - law under various flow conditions and for different particle diameters, and the fluctuation of the other two velocity components is random

    對不同的粒徑和不同的水流條件，顆粒縱向平均速度都符合對數分佈規律，垂向和橫向的平均速度屬于隨機波動的范圍。
  11. 3. deduce the relationship between sound pressure and particle velocity in plane wave

    對平面波聲場中的聲壓和質點振速之間的相關方程進行了推導。
  12. The acoustic pressure information and particle velocity information are used to study the direction of the arrival estimation by analyzing strong linear spectrum of the single target basing on cross spectrum method

    摘要利用矢量水聽器收集到的聲壓和振速信息，研究基於互譜法分析單目標的強線譜來進行目標方位估計。
  13. The value of bp is dispersed. the particle velocity in streamwise direction as the particle rise is larger

    輕質顆粒向下的運動速度明顯大於其在靜水』上的沉速，出重顆粒則相反。
  14. Under the low solid flux, the particle velocity in the whole flow field was processed by mqd in the transitional flow regions. the results show that the variation of particle velocity with the time and the influence of particle clusters in the real time. under the high solid flux, in the dilute flow region, the particle velocity is analyzed and discussed with the variation of operating condition

    在低循環流率下對過渡區典型流態下顆粒團的不同流態進行了mqd法處理，獲得了整場顆粒運動速度及隨時間變化規律，顆粒團運動對流場內顆粒速度的動態影響；對稀相區在較高固粒流率下對顆粒運動速度進行了變工況分析和討論。
  15. The turbulence intensity is the result of space variation and temporal variation of particle velocity

    顆粒速度的紊動強度為速度的空間變化和時間變化共同作用的結果。
  16. The turbulence intensity of particle velocity decreases when particle size or re increases and increases with the increase of fr

    顆粒紊動強度隨粒徑的增大而減小，隨fr的增大而增大，隨re的增大而減小。
  17. In the end, in view of the fact that boussinesq - type equations and the mild slope equations are deduced from different hypothesis conditions and behave differently in simulation of wave propagation, the numerical results of wave propagation effected by strong non - linearity are given by the nonlinear three - dimensional mathematical model which was established for the calculation of 3 - d wave particle velocity and wave pressure and suitable to small size waters of arbitrarily varying depth

    最後，鑒于boussinesq型方程和緩坡方程是在不同的假設條件下推導而來，應用於描述近岸水域波浪的傳播變形時具有不同的特點。本報告根據作者所建立的可以對任意水深點流場與波動凈壓力場進行求解、適宜水深任意變化水域非線性波傳播的數學模型，提供了在較強非線性作用下波浪傳播的數值模擬結果。
  18. This paper confirms a kind of non - linear mapping relation between vibration velocity of particles on building and the influence factors, such as total explosive charge, maximum explosive charge fired at the same time, the distance between blasting point and monitoring points, peak particle velocity of ground where building is, the height from monitoring point to ground, and so on, and sets up a support vector machine ( svm ) model for forecasting the vibration effect induced by an explosion

    應用支持向量機，建立了總藥量、最大段藥量、爆破點與監測點距離、構築物所在地面震動峰值速度、測點到地面的高度等因素與建築物上的質點震動速度之間的非線性映射關系，確立了支持向量機預測模型。
  19. By increasing the length of laval nozzle, an approach was presented to obtain higher particle velocity necessary for gas - solid separation in dusty gas of high temperature and high pressure

    提出了用增加縮放噴管長度的方法，使含塵高溫高壓氣體中的灰塵顆粒獲得實現氣固兩相分離所必需的更高動量的途逕。
  20. Real - time surface velocity field measurement system and three - dimensional particle velocity measurement system are developed. systematic experimental research on the movement of coarse sediment particles in open - channel flows was carried out using developed system

    本文研製開發了表面流場實時測量系統和顆粒三維運動測量系統，並採用顆粒三維運動測量系統對明槽水流中粗顆粒的運動進行了系統的試驗研究。
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