旋轉質量 的英文怎麼說
中文拼音 [xuánzhuǎnzhíliáng]
旋轉質量
英文
gyrating mass- 旋 : 旋Ⅰ動詞1 (旋轉) whirl 2 (用車床切削或用刀子轉著圈地削) turn sth on a lathe; lathe; pare Ⅱ名詞...
- 轉 : 轉構詞成分。
- 質 : Ⅰ名詞1 (性質; 本質) nature; character; essence 2 (質量) quality 3 (物質) matter; substance;...
- 量 : 量動1. (度量) measure 2. (估量) estimate; size up
- 旋轉 : revolve; gyrate; rotate; spin ; revolution; revolvement; rotation; circumgyration; circulation
- 質量 : 1 [物理學] mass 2 (產品或工作的優劣程度) quality 3 economy (離子源的); 質量標準 quality level...
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This article takes the lagrange equation as the principle, establishes mathematics modeling to the inertia brake vibration when it brakes, then simulates it with matlab. this paper educed the relation equations between, which are the inertia brake ' s friction coefficient of the brake ring and the friction disk, the mean radius, the braking force, rotation inertia of the driving top and the spline shaft, spiral climbing angle of the brake ' s concave - convex helicoid, the mean effort radius of the concave - convex helicoid, elasticity coefficient of the spring, quality of the driving top and the spline shaft, rotations inertia of the brake ' s rotation part besides the driving top and the spline shaft, suppresses sleeve. provides the theory basis for the inertia brake structure optimization
本文以拉格朗日方程為理論基礎,對慣性制動器在制動時的振動進行數學建模,然後用matlab對其進行模擬,得出了慣性制動器在制動時振動角頻率分別與制動環和摩擦片之間的摩擦系數、制動力的平均半徑、主動頂和花鍵軸的轉動慣量、慣性制動器的凹凸螺旋面的螺旋升角、凹凸螺旋面平均作用力的半徑、彈簧的彈性系數、主動頂和花鍵軸的質量、慣性制動器除主動頂和花鍵軸外其他部分的轉動慣量和、頂壓套的質量等慣性制動器各零部件的物理參數之間的關系,為慣性制動器的結構優化提供了理論依據。The addition formula of spherical harmonics function of degree n and order 1 is derived using the relations between coordinate varieties after coordinate rotating and the property of the associated legendre polynomial. the relations among the magnetic vector potential, the modified magnetic vector potential and the second - order vector potential ( sovp ) are shown going forward one by one. it is explained that the solutions of electromagnetic fields in different coordinate systems can be transformed and an example having analytical solution is given
利用坐標旋轉后球坐標變量間的關系和連帶勒讓德多項式的性質推導得到了n次1階球諧函數的加法公式;以遞進的方式說明磁矢量位、修正磁矢量位與二階矢量位的關系,寫出了引入二階矢量位的過程;以時諧場矢量邊值問題為例,闡明了不同坐標系下電磁場解的相互轉化原理,給出了一個解析解的轉化例子;在球坐標下,引入了較球矢量波函數更普遍的兩類矢量函數,給出了其在球面上的正交關系。How fast an object revolves depends on how much matter inside its orbit. if all the matters are visible, the orbital velocities of stars, say, near the edge of our galaxy will follow the red line below. however, we discovered that they are moving faster than expected, hence there must be more matters than we have seen
天體的公轉速度,取決于在它軌道內的物質的總質量,如果所有物質都是看得見的,那麼繞著銀河系旋轉的軌道,理應如紅線所示,但是天文學家卻發覺它們比想像中走得更快,暗示銀河系的質量比所見的大。The magic qualities of this long soft pimpled rubber imparts a deceiving spin on the balls with devastating effect after bouncing. it also absorbs the fastest drives and heaviest spin
這長的軟的橡膠粒的不可思議的質量在彈起以後在球給予欺騙的旋轉以毀滅性的作用。它也吸收最快速的驅動和最重的旋轉。The results indicate that : the high positioned air inflow do good to heat transfer in rotator disk ; different size of radial outflow have small effects on flow and heat transfer ; the heat transfer near rotating disk increases as rotating reynold number increases or non - dimensional mass flow rate increases
結果表明,高位軸向進氣對轉盤換熱有利;不同的徑向出口大小對盤腔內的流動換熱影響不大;隨旋轉雷諾數和無量綱質量流量增加,轉盤盤面的換熱效果增強。By comparing the results with relative experiment data, it is shown that rng k - is more exactly than the other turbulent model. 2 ) the influences of axial inflow position, radial outflow size, rotating reynold number, non - dimensional mass flowrate and axial inflow angle on the flow and heat transfer characteristics were numerically investigated for a typical rotator - stator cavity with axial inflow, radial inflow and radial outflow. the correlations for average nusselt number vs rotating reynold number or non - dimensional mass flowrate were established
( 2 )針對一典型的徑向、軸向進氣,徑向出氣的轉-靜盤腔結構,系統研究軸向進氣位置、徑向出口大小、旋轉雷諾數、無量綱質量流量和軸向垂直預旋進氣等對盤腔內流動和換熱的影響,整理出轉-靜盤腔內轉盤平均努謝爾數與旋轉雷諾數無量綱質量流量之間的準則關聯式。4 ) in a pre - swirl rotator - stator cavities with discrete pre - swirl nozzles and blade - cooling entry holes, the influences of pre - swirl angle and flow parameter on the flow and heat transfer characteristics were numerically investigated. the correlation for average nusselt number vs rotating reynold number or non - dimensional mass flowrate were established. the results show that : advantage of per - swirl inflow is the effect of cooling the blade - cooling entry holes ; pre - swirl inflow increases heat transfer in rotating disk of pre - swirl chamber ; as pre - swirl angle increases, local nusselt number decreases in pre - swirl chamber ; the temperature of stator of inner rotator - stator chamber and per - swirl chamber decreases as rotating reynold number increases ; when the axial mass flowrate maintains constant, heat transfer in the rotating disk of inner rotator - stator cavities does n ' t change as per - swirl mass flowrate increases, while heat transfer in the rotating disk of per - swirl chamber increases ; when the pre - swirl mass flowrate maintains constant, change of the axial mass flowrate has effect on the whole cavity
結果表明,預旋進氣的優點在於增強了葉片冷卻孔附近的對流換熱效果,局部努謝爾數隨預旋角的增大而有所減小;隨旋轉雷諾數的增加,不論是內轉靜腔室還是預旋腔室的靜盤上的溫度都不同程度的降低:當軸向中心進氣質量流量不變時,隨預旋進氣的質量流量增加,內轉靜腔室的轉盤盤面上的換熱基本沒有變化,而預旋腔室的轉盤盤面上的換熱效果增強;當預旋進氣質量流量不變時,軸向中心進氣的質量流量的改變對整個盤腔都有影響。The bulk of the mass is spread out, forcing stars to trace a spirograph - like rosette : an ellipse that does not close on itself but gets offset each time the star completes one revolution [ see box at right ]
整體質量分散開來,迫使恆星運行方式如旋轉繪圖盤所畫出的花瓣狀螺線:那不是每圈都會封閉起來的橢圓,恆星繞行一周后,軌道並不接合便又重新開始下一周的運動(見右方整理軌道秩序) 。This contrasts with the computation of fundamental matrices and trifocal tensors, which use only a subsequence of 2 and 3 views respectively. secondly, in our methods, the essential geometry of the image single axis geometry may be specified by six parameters and this may be estimated from one conic and one fundamental matrix ( a total of 12 parameters ) or may be minimally estimated from two conies ( a total of 10 parameters ). previous methods have involved estimating more than this minimum number of parameters
從本質上講,本文提出的演算法是一個多視角幾何演算法,它充分利用了所獲得的圖象序列,將單軸旋轉運動的幾何信息很好地融入於二次曲線當中,從而創新地提出了利用二次曲線對單軸旋轉運動的不變量進行分析的方法,並首次求解出了單軸旋轉運動中的全部不變量。In 1909, ernest rutherford showed that atoms were mostly empty space, revising the model of an atom to a tight positive nucleus containing the protons and neutrons with electrons around it ; by 1913, danish physicist neils bohr envisioned a planetary arrangement in which the electrons orbited the nucleus at different energy levels
在1909年,歐內斯特?盧瑟福展示原子大部分是真空區,修正的原子模型就是緊密的陽性核包含質子和中子,電子圍繞中子旋轉;到1913年,丹麥物理學家尼爾?波爾想象了一個電子以不同能量水平面圍繞原子核旋轉的行星排列。The key items influent on the characteristics of spraying have been also studied in the dissertation, we can get a good spraying result by adjusting the related parameters efficiently. ( 3 ) the theoretical model of the dynamical parameters such as temperature, moisture, pressure and contour for hot medium and particle inside the drying chamber were obtained by model, utilized the computational fluid dynamics technique to solve the problem between spraying droplets medium by arranging the double grid dispersing structure and rotary outlet structure and the developed structure improved the drying efficiency and product quality
( 3 )採用-模型實現了壓力噴霧乾燥塔的溫度場、濕度場、流場的理論建模,利用計算流體力學( cfd )技術來解決噴霧乾燥過程中熱介質與霧滴間的傳熱傳質以及動量傳遞和湍流擾動等問題,避免了乾燥過程中的設計不合理狀況;通過增加雙格柵均風裝置和旋轉出風裝置,改善了乾燥塔內的熱質傳遞,提高了乾燥塔的體積蒸發強度。Harmonized system of quality assessment for electronic components : sectional specification : lead screw actuated and rotary preset potentiometers
電子元器件用質量評估協調體系.分規范.導螺桿傳動和旋轉式預調電位器Standard guide for use of direct air - rotary drilling for geoenvironmental exploration and the installation of subsurface water - quality monitoring devices
地質環境勘探和地下水質量檢測裝置安裝用直接氣體旋轉鉆機的使用標準導則Standard guide for use of direct rotary drilling with water - based drilling fluid for geoenvironmental exploration and the installation of subsurface water - quality monitoring devices
地質環境勘探和地下水質量檢測裝置安裝用帶水基鉆流的直接旋轉鉆機的使用標準導則Appearance quality for rotary shaft lip seals
旋轉軸唇形密封圈外觀質量Qingdao anfu door industry co., ltd. has a history of over 20 years in this line, developing three big categories including 8 series such as extension door, sensor controlled automatic door, rotating door, anti - theft security door, special purpose door, and etc. we brought in wholly automatic production line with international level, pushing our annual output onto 20000, by adopting imported color galvanized plate. if you are intrested in our product, please e - mail us or call us
青島安福門業有限公司具有20多年的門業生產史,開發生產了遙控電動伸縮門遙控電動推拉門感應自動門旋轉門防盜保安門特種功能門等三大門類八大系列上百種規格的電動門系列產品。公司引進國外先進水平的全自動生產線,選用進口彩色鍍鋅鋼板,年產遙控車庫門達2萬樘,其產品質量可靠品質卓越,深受廣大用戶的青睞,也是省內唯一一家生產遙控車庫門及全套配件的專業化公司。Study on the laser scanner is very important since fluctuate of rotating speed of the motor, wobble of the shaft of the laser scanner, tremble introduced by motor changing phase, shake generated out of dynamic balance, turbulence introduced by the deflector rotating at high speed have an influence on rotating shaft and light beam so as to decrease quality of the laser imagesetter
轉速的波動、掃描器主軸的晃動、電機換相過程中的抖動、動不平衡產生的震動、轉鏡高速旋轉產生的湍流對轉軸和光束的影響等諸多因素,直接影響激光照排的質量。所以,對轉鏡式激光掃描器的研究有十分重要的意義。This instrument keeps constant temperature by circling air both. it use computer to control temperature and oscillation frequency, led digital display, it has stable performance, and its quality is reliable, its appearance is beautiful and digniful. it can be operated conveniently. it is the suitable instrument uhcih is used on researching and production by the trades of bioengineering. medicine. hygienist and so on
該振蕩培養箱是利用旋轉空氣浴進行恆溫的振蕩器,溫度和振蕩頻率均採用電腦控制,用led數碼顯示.該振蕩器性能穩定,質量可靠,造型美觀大方,操作方便,實為生物工程、醫藥、衛生等行業科研和生產中使用的理想儀器。Fiber optic gyroscope ( fog ) is an advanced instrument to measure the angle velocity of rotation body. it realizes the measurement of optical sagnac effect using solid all - fiber structure. it overcomes mechanical - electrical gyro and ring laser gyro ' s reduction of dynamic performance and life - span caused by the structure or the requirement of high rotation rate mass
光纖陀螺是一種先進的感測載體自轉角速度的測量儀,它利用固態的全光纖結構實現光學sagnac效應的量測,克服了機電陀螺及環形激光陀螺在構造上或因需要一定的高速度旋轉質量,導致動態性能及壽命的降低,或因諧振要求過于苛刻,使工藝復雜性及成本過高等一系列缺點,從而成為當今最具有競爭性的新型陀螺。Fiber optic gyroscope ( fog ) is an advanced instrument to measure the angle velocity of rotation body. it realizes the measurement of optical sagnac effect using solid all - fiber structure. it overcomes mechanical - electrical gyro ' s reduction of dynamic performance and life - span caused by the structure or the requirement of high rotation rate mass, and the laser gyro ' s fabrication technology complication and high cost caused by the rigid requirement of optical circuit resonation
光纖陀螺是一種先進的測量載體絕對角速度的儀表,它利用固態的全光纖結構和sagnac效應來實現測量,克服了機電陀螺在構造上需要一定的高速度旋轉質量,導致動態性能及壽命的降低,或者環形激光陀螺因諧振要求過于苛刻,使工藝復雜性及成本過高等一系列缺點,從而成為當今最具有競爭性的新型陀螺。分享友人