渦旋線 的英文怎麼說
中文拼音 [guōxuánxiàn]
渦旋線
英文
line of whirl-
Two shafts of soft daylight fell across the flagged floor from the high barbicans : and at the meeting of their rays a cloud of coalsmoke and fumes of fried grease floated, turning
穿過高高的堞口,兩束柔和的陽光落到石板地上。光線匯合處,一簇煤煙以及煎油脂的氣味飄浮著,打著旋渦。The result indicates that, in the course of the rainstorm in huoshan, there are obvious low - level jet of great intensity, infection of mesoscale shear line, enhancement of plus vorticity which increases intensity of convergence, improves ascending velocity and brings on precipitation, and quick enhancement of helicity which provides the basis to forecast, in addition, convergence of moisture flux and analyzed potential vorticity which reflects baroclinic convective instability sufficiently indicate the characteristics of the rainstorm
結果表明:此次霍山暴雨發生前後,存在明顯的大強度低空急流,並受到中尺度切變線的影響,而且正渦度的加強引起了輻合加劇,提高了上升速度從而引起降水,同時暴雨發生前螺旋度的迅速增強,也為預報提供了根據,另外水汽通量的輻合以及分析位渦反映出的斜壓對流不穩定都充分體現了這次降水的特點。The equation of the pressure of scroll chambers 、 the force of axis 、 the force of radial 、 the force of tangent 、 inertial force 、 the composition of forces and the inertial movement is given. a dynamic model of scroll compressor of combination profile is developed, based on the analysis of the movement of the moving parts. this can provide base of theory for dynamical balance design 、 intensity design and reliability analysis
論文利用pro / e軟體建立新型組合曲線渦旋壓縮機動渦盤的三維實體模型,在此基礎上根據受力情況對動渦盤的渦圈進行了有限元分析,探討動渦盤在工作過程中由於氣體力的作用而產生的應力與應變規律,為進一步完善動渦盤的設計提供了理論依據。Vortex fields will have a spiral drawn
漩渦場將會有一個螺旋線。In the 1960 ' s, the circumfluence theory has been used to design the shroud - propeller, and it can be divided to two methods, one is that the profile of die shroud is provided, the other is that the pressure distribution of the shroud is provided.
到六十年代,函道螺旋槳的環流理論就可用來計算這種推進器的設計問題。本文中使用的方法是:函道用圓環渦系和圓環源、匯系模擬,用線性理論計算;螺旋槳用一個變負載的鼓動盤模擬。A kind of kelvin type vortex formed by the roll up of the jet shear layer is observed in the experiment
本文還探討了橫流線流分離旋渦的生成機理及轉向。In the second chapter, equivalent circuit of the eddy current sensor is firstly analyzed. based on that, the carrier signal generating circuit that is realized by the lc periodic circuit is introduced, thus, the carrier signal of standard frequency is obtained through the trimming capacity. subsequently, the disc type rotational armature generator and the rotational coupling transformer are separately leaded in to realize the power supplies of the carrier signal generating circuit and output of the measuring signal
在傳感器設計一章中,首先對渦流傳感器進行等效電路分析,在此基礎上分析了由電感、電容諧振電路構成的載波信號發生電路,並通過微調電容獲得了標準頻率的載波信號;接下來提出了採用盤式旋轉電樞發電機解決載波信號發生電路電源供給問題的方案,同時通過旋轉耦合變壓器的引入,使得測量信號輸出問題很好地解決;本章最後給出的一組實驗曲線充分說明了這一方案的可實現性。A model of letting out of no oil ubricated double whirlpools vortex air compressor was set up, the length of leak line of one cycle was calculated the change of the leak line at work, the change of the length of leak line varying with the crank corner, and the change of the leak amount varying with the pressure of revealing atmospheric and crank corner were analyzed
摘要建立了無油潤滑雙渦圈渦旋壓縮機的泄露模型,根據型線的幾何理論計算了一個周期內泄漏線的長度,分析了在工作過程中泄漏線的變化,泄漏線長度隨曲柄轉角的變化,以及泄露量隨排氣壓力,曲柄轉角的變代情況。Calculation of the profile line of moving plate in vortex compressor
渦旋壓縮機動盤型線的演算法2 an f - plane quasi - geostrophic barotropic vorticity equation model of high resolution is designed in this paper in order to investigate the characters of vorticity propagation and the effect of nonlinearity on the propagation within a typhoon circulation, wherein two mesoscale vortices coexist at different radial positions
2設計了一個高解析度的f平面的準地轉正壓渦度方程模式,用以研究兩個徑向距離不等的中尺度渦旋共存條件下,臺風環流內渦量傳播的特徵,以及非線性在此傳播過程中的作用。An adaptive evaluation method of profile error of scroll wrap
一種自適應的渦旋型線輪廓度誤差評定方法Work is done to find out the relationship between scroll wraps profile and the track of machining tool. a general equation about the relationship is recommended
摘要對渦旋型線加工的刀具中心軌跡程序進行了分析,提出了通用刀具中心軌跡方程並簡單介紹了其應用情況。Functional integration study of the general scroll profiles for scroll compressor
渦旋壓縮機通用渦旋型線泛函集成研究Modification to involute type profile using twin - circular arcs for scroll compressor
渦旋壓縮機漸開線類型線的雙圓弧修正Compared with the scroll compressor of traditional circle profile, it has the advantages of high efficiency, little leakage and high quotient of volume using. the research work is given as follows. a whole volume theory for the scroll chamber working process of new type combination profile compressor is set up
論文的研究工作主要表現在以下幾個方面:論文對新型分段組合曲線渦旋壓縮機的容積理論進行了論述,系統地研究了組合曲線渦旋壓縮機各個壓縮腔容積的求解方法。The advanced development on the new kinds of scroll profile has become the research focus in the profile design. used a new type scroll compressor of the combination profile in this paper, a scroll is constructed following this : the inner turn consists of the standard involute of circle, and the same to the outer turn. then the middle turn is one of arc
本文所研究的新型組合曲線渦旋壓縮機最內圈以基圓漸開線構成,中間段以圓弧過渡,最外圈由圓漸開線構成,能發揮不同型線的優勢,是一種能滿足多性能較優要求、形狀性態良好的渦旋型線,與傳統的基圓漸開線構成的渦旋壓縮機相比,具有效率高、泄露量少、體積利用系數大等優點。This paper utilizes the software matlab to program the each working volume. it helps to analyze the volume change curve. at the same time, comparison with combination profile compressor and single circle compressor is presented, with the result that combination profile compressor has the advantages of high efficiency, little leakage and high quotient of volume using
論文運用matlab數學軟體對新型組合曲線渦旋壓縮機的各個壓縮腔的容積進行了編程運算,對各個壓縮腔容積的變化規律給出了幾何直觀的描述,並且對組合曲線壓縮機和圓漸開線的壓縮機進行了性能對比分析,證明組合曲線渦旋壓縮機具有效率高、體積利用系數大等優點。( 2 ) piece - wise linear ( pwl ) circuit realizations of the class - di - a chaos generator are suggested. in the circuit realizations, only one nonlinear element is needed, that is, only a three - segment pwl voltage - controlled vokage source or a two - segment pwl voltage - controlled voltage source is needed. in the context of the whole circuit structure, this circuit realization is more complex than that of chua ' s circuit, but in the context of the complexity of the nonlinear element employed, it is the most simple chaos circuit while realized by a two - segment pwl element
( 2 )對本文所提出的第- a種新的單渦旋混沌模型進行了分段線性電路實驗研究,其分段線性電路實現只需一個非線性器件,即一個三段線性電壓控制電壓源或兩段線性電壓控制電壓源,從整體電路結構來看,它比蔡氏電路要復雜,然而它可以採用兩段線性電壓控制電壓源來實現,因而就非線性器件的復雜程度而言,它是最簡單的混沌發生器。This paper analyzes the detailed rule of the each working volume with the changing of the scroll profile types, the different equation for the scroll chamber working process is inferred. the fundamentals for calculating the kinematics and property of scroll compressor are given
詳細推導了各壓縮腔在不同嚙合點時容積的計算公式,為準確計算組合曲線渦旋壓縮機的性能參數提供了依據,為動力學分析打下了基礎。Apart from the above weather stations, meteorologists from the three places also established over the years the exchange of real - time weather information through dedicated data lines, the networking of weather radar data from the area, and the closer consultation among forecasters in these places during the approach of severe weather. currently in progress is the expansion of swirls ( short - range warning of intense rainstorms in localised systems ), developed by the hong kong observatory, to a rainstorm forecasting system covering the pearl river estuary
除上述氣象站外,三方的氣象人員多年來還實現了利用專用數據線路交換實時氣象資料、將三地的天氣雷達數據聯網、以及加強了三方預報員進行重要天氣評估的磋商等。目前正開展工作,以香港天文臺開發的小渦旋暴雨臨近預報系統為基礎,致力擴展成一套覆蓋整個珠江三角洲的暴雨預報系統。分享友人