軸向射流 的英文怎麼說
中文拼音 [zhóuxiàngshèliú]
軸向射流
英文
axial jet-
Rail corrugation at high frequency wheel rail interaction
小口徑軸對稱收縮噴嘴射流沖擊大平板噪聲指向特性研究Since complicated differential and integral operations were involved in the kernel of the integral equation, we simplified the equation and got the nakano equation. as instances, the planar archimedean spiral antenna, the planar equiangular spiral antenna, the monofilar helical antenna, the conical helical antenna with fixed ascending angle and the conical equiangular - spiral antenna were analyzed through the moment method. all of the results matched fairly well with the references and experiment results
這種方法的積分方程的積分核里含有復雜的微積分運算,為了簡化計算,本文在推廣的海倫積分方程的基礎上,對方程進行了簡化,推導了nakano方程,並以平面阿基米德螺旋天線,平面等角螺旋天線,軸向模圓柱螺旋天線,具有固定升角的圓錐螺旋天線和圓錐等角螺旋天線為例,用矩量法求解了天線上的電流分佈,研究了螺旋天線輻射的寬頻帶特性,所得的結果均與參考文獻吻合很好。After analysing several kinds of light - weighting structures through ansys, hexagonal speculum structure is confirmed. in the aspect of the controling of speculum, the paper adopts the brushless dc motor which is partial assembled to drive the point speculum and the inductosyn as angle measuring component is selected, the ad2s80a the system is used to get directly angle and angular velocity. double closed - loop speed and position control is designed, as the pid control is the well - developed algorithm, which can achieve stable rotation and precise position control
在指向反射鏡的擺動控制方面,採用低速性能好的分裝式直流力矩電機作為指向反射鏡的驅動電機,並採用感應同步器作為角度測量元件,運用軸角轉換器ad2s80a進行角度和速度的輸出,採用技術成熟的pid控制方案,進行速度和位置雙閉環控制,以實現指向反射鏡轉動速度的平穩性和位置的精確性。In theoretical analysis, the motion of radially - emitted electron beam in diode region and drift region has been analyzed, and the relation between radial momentum or current of electron beam and the guiding magnetic field has also been studied, then the possibility to optimize the guiding magnetic field has been derived. the motion of radially - emitted beam electrons in smooth bore magnetron and smooth bore milo has also been studied theoretically. at last, the motion of radially - emitted beam electrons in compound axial and azimuthal magnetic field has been studied
在理論分析中,初步分析了軸向發射條件下電子在二極體區域和漂移區的運動規律,電子徑向動量隨著外加磁場變化的規律,以及電子束電流隨著外加磁場的變化規律,還有二極體區域磁場優化的可能性;分別研究了有軸向磁場時以及有角向磁場時徑向發射的電子在光滑陽極結構中的運動規律,最後分析了在軸向和角向復合磁場中電子的運動規律。The purpose of this dissertation is to study the effect of substrate on the characteristics and microstructure of high temperature superconducting yba2cu3o7 - thin film, and well c - axis oriented epitaxial ybco thin films have been deposited on both laalo3 ( 100 ) and r - plane sapphire al2o3 ( 102 ) substrates by inverted cylindrical dc sputtering ( icds ) technique
=本論文的目的是研究基片對薄膜結構和性能的影響關系,採用倒筒靶直流濺射技術在在laalo3 ( 100 )和r -平面的藍寶石( al2o3 ( 102 ) )兩種基片上制備出c軸取向的外延高溫超導yba2cu3o7 -薄膜。In this axial turbine, steam always flows along the axis of rotated axis, thus, all blades extend with the radiation shape along the axis outward
在這種軸流式渦輪機中,蒸汽總是沿主軸的旋轉軸流動的,因此,葉片由主軸向外呈輻射狀展開。A rare kind of primary round columnar joints is developed in the basic dyke swarms in the western shandongwhich is made of the radial joints and the round columnar joints with same axis vertical to the strike of the dyke, arranged one by one along the strike of the dyke
在魯西地區前寒武紀基性巖墻群內發育一種罕見的原生圓柱狀節理,由同軸圓柱狀節理和放射狀節理組成,垂直於巖墻走向,沿巖墻走向排列,是一種指示巖漿水平侵位的流動構造。Abstract : a tube reactor mixed by an axial continuous flow and four side jets as the dispersed flow is studied. the concentration distribution of the dispers ed flow was measured by means of the laser light scattering. the different flow patterns revealed the special construction of concentration distributions in relation with the velocity ratio of side flow and axial flow
文摘:研究了圓管反應器中四束側向對撞射流與軸向流形成的混合流動.應用激光粒子散射成像測量了側向分散相在混合流中的濃度場分佈,得到了不同的濃度分布圖形隨側向流與軸向流速比關系,揭示了內在有規律的獨特的濃度分佈結構The numerical simulation is carried out and the sauter mean diameter and the axial and radial size distribution of droplet of round jets and annular jets were obtained. numerical results are in good agreement with experimental data
針對hy911圓柱形射流和環形射流,計算出霧化液滴sauter平均直徑以及軸向和徑向液滴尺寸分佈,計算結果與實驗數據吻合較好。The finite element method ( fe '. i ) is adopted to analyze the effects of the numbers of coil turns, current intensity and current frequency upon the rate of joule heat generation in details. the thermo - radiation analytical countermeasures of various types are adopted to carry out the numerical analysis of the effects of the crucible with different shapes and sizes and the blind holes with different depths opened in the tops of crucibles as well as coil positions upon the thermal field distribution whereby solving the main problem of field the thermo - field design of the induction - heating sic crystal growth system. a new combination idea of the thermo - field design obtained by means of the united design of the thermo - insulator and blind holes has been presented
採用有限元分析方法對線圈匝數、電流強度、電流頻率等對焦耳熱產生速率的影響進行了詳細的分析討論;採用不同的熱輻射分析策略,對不同坩堝形狀、坩堝頂部開設不同深度的盲孔以及線圈的位置等對熱場分佈的影響進行了數值分析,解決了感應加熱碳化硅晶體生長系統熱場設計的主要問題,提出了通過絕熱層與盲孔的聯合設計獲得所需熱場設計的思路,給出了根據軸向溫度梯度的波動對線圈位置實行動態調節以控制熱場的理論依據。A lot of photographs of atomization field on high pressure jet were obtained by the use of the energetic liquid injection device and laser holographic system, so that the properties of axial and radial droplets size distribution were revealed. the relations of droplet size distribution with injection pressures, nozzle and viscosity were discussed
利用含能液體噴射霧化模擬裝置及其全息攝影系統,得到了多種工況下液體藥射流噴霧場的全息照片,揭示了噴霧場中液滴軸向和徑向分佈規律,分析了噴射壓力、噴嘴形狀、液體粘度等對射流破碎的影響。Axially symmetrical jet
軸向對稱射流分享友人