柵流 的英文怎麼說
中文拼音 [zhàliú]
柵流
英文
grid current; gate current-
Ascent / descent lines, deco bar, current lines
上升/下降繩,安全柵欄,潮流繩。Numerical simulations of compressible flow in cascade
葉柵可壓縮流場的數值分析Based on studying of the unequal rainfall in space - time and the asymmetry physical geography parameters in space, which can influence the process of the runoff, this paper puts forward a sort of slope conflux and watercourse conflux simulating model based on grid, and that gains flux at random time and grid in basin
本模型針對降雨時空分佈不均勻與下墊面自然地理參數空間分佈不均勻,對產匯流形成過程的影響,提出了一種基於柵格的坡面產匯流與河道匯流的數值模擬模型。This article introduces briefly the process of design and characteristic of structure of db930 tube and discusses the main problems of technology and technique which was met during the manufacture and the measures having been adopted are emphatically. it discusses the solve measures in following six aspects : the filament current is too large, carbon deposits during the carbonizing of cathode, the capacitance between the first grid and the second grid is too large, transpiring happens inside the tube, the insulation resistance between the electrodes is too lower when the filament is on and the ability of bearing high voltage is too lower
本文簡略地介紹了db930的設計過程及其結構特點,重點論述了在試制過程中遇到的主要工藝技術問題及解決問題的措施,圍繞解決燈絲電流大、陰極碳化時積碳、一柵和二柵之間的電容大、管內蒸散、熱態時極間絕緣低、耐高壓的能力差等六個方面的問題進行了論述。Capacitive grid current
柵極電容電流Critical grid current
臨界柵極電流Measurements of the electrical properties of transmitting tubes - measuring methods of reverse grids current
發射管電性能測試方法柵極反向電流的測試方法I designed a measuring system which can measure the anode current 、 anode voltage 、 grid current and grid voltage at one time. working at manual mode the system can sever as a measuring instrument
根據要求,設計一個場發射參數的測量系統,此系統,工作在手動方式下可以測量出某一時刻點的場發射的陽極電流、陽極電壓、柵極電流、柵極電壓。Assuming the blades conduct a planar simple harmonic motion, the flows in vibrating cascades in the case of different oscillating amplitudes, different reduced frequencies and different torsional centers are computed respectively for two blade profiles. according to comparing flow calculations at different oscillation modes, the influence of the oscillation parameters " selection on aeroelastic performances of cascades is analyzed
假定葉片做平面簡諧運動,針對兩種葉型分別計算了不同振動幅度、摺合頻率及扭心位置時的振動葉柵流場,根據各種振型下流場計算結果的比較,分析了振動參數選取對葉柵氣動彈性性能的影響。The factors limiting the frequency band of the wide - band amplifier are introduced. through analyzing the effects of the intrinsic parameters and parasitical on the frequency characteristics, a method of improving fr of mosfet by using short channel device and making mosfet work at the saturation region through raising vgs is put forward ; the effects of different kinds of circuit configurations on the frequency characteristics and the junction voltage on the voltage pattern circuit, current pattern circuit and frequency characteristics are analyzed. according to the linear theory of transconductance which is applied in the bit circuit, the current pattern amplifier circuit, current transfer circuit and output circuit which consist of mosfet and the wide - band amplifier composed of them are put forward
介紹了限制寬帶放大器頻帶寬度的因素,通過分析mosfet的本徵參數、寄生參數對頻率特性的影響,提出了採用短溝器件、使mosfet工作在飽和區、抬高柵源電壓等提高mosfet特徵頻率的方法;分析了不同電路組態對放大器頻率特性的影響、節點電壓對電壓模電路、電流模電路頻率特性的不同影響,根據應用於雙極晶體管電路的跨導線性原理,提出了採用mosfet構成的電流模放大電路、電流傳輸電路、輸出電路以及由它們所組成的寬帶放大器,獲得了良好的頻率響應。Effect of reynolds number on turbine cascade flow
雷諾數對渦輪葉柵流動的影響Direct numerical flow simulation in a two - dimensional turbine cascade
二維渦輪葉柵流場的直接數值模擬Numerical simulation of unsteady vortex in the wake of cascade flow
葉柵流場尾跡中非定常渦系的數值模擬The effect of turbine blade positive curving on the flow field of a turbine transonic cascade
葉片彎曲對跨音速渦輪葉柵流場的影響A numerical investigation about effects of boundary layer suction in low - speed compressor stator cascade with large turning angle was carried out
摘要本文採用數值方法研究了低速條件下附面層抽吸對大折轉角矩形葉柵流場的影響。A brief introduction is described which indudes the state of the art of research and design about the trashracks of conventional and pumped - storage hydroelectric plants, the necessary to research the flow - induced vibration of the trashrack bar by use of hydro - elastricity similaymodel and the background of this study
對抽水蓄能泵站攔污柵流激振動的研究狀況、設計方法,本研究課題的背景和採用水彈性模型研究柵條流激振動的必要性作了簡要說明。In this thesis, adopting compressible navier - stokes equations and compressible k - - e turbulence double model, studied 2d viscous flow field in wet turbine ' s separate - stage. coordinate transformation is made for the navier - stokes equations by using body fitted coordinate system, moreover, the flow field in 2d cascade is calculated by using the well - established simple method
本文採用可壓縮氣體的n - s方程,並採用可壓縮的-湍流雙方程模型,研究了飽和汽輪機分離級內二維粘性葉柵流場,採用貼體坐標系對n - s方程進行了坐標變化,並利用成熟的simple演算法對二維葉柵內的流場進行了計算。In the end, the situations of work done by aerodynamic forces on blade surfaces when flow - structure is coupled and is n ' t coupled under the same conditions are compared, the result indicates that the work done by aerodynamic forces after the coupling restraint is unloaded has a distinct change
本文最後比較了相同條件下氣固耦合與非耦合時葉表氣動力的做功情況,其結果表明解除耦合約束后氣動力做功有顯著變化,為深入研究振動葉柵流場,必須考慮葉片結構動力因素。High - resolution nnd scheme and fully implicit dual - time stepping method were adopted in the three - dimensional vibrating cascade flow calculation. thus, the correct simulation of the shock in transonic flow and the efficiency of calculation were both taken into consideration
在三維振動葉柵流動數值模擬中,採用高解析度tvd類型的格式和全隱式雙時間方法,保證了對流動的正確模擬,準確地捕捉了跨音流動中的激波,其計算效率非常高。By using a finite volume method to solve the navier - stokes equations, two - dimensional vibrating cascade flow was computed
採用有限體(面)積法求解navier - stokes方程,完成了二維振動葉柵流動數值模擬。分享友人