波槽 的英文怎麼說

中文拼音 [cáo]
波槽 英文
wave channel
  • : Ⅰ名詞1 (波浪) wave 2 [物理學] (振動傳播的過程) wave 3 (意外變化) an unexpected turn of even...
  • : 名詞1 (盛牲口飼料或飲料等液體的器具) trough; manger (for water animal feed wine vat) 2 (兩邊...
  1. Powerformer have some changes in constract with the conventional generator , subsequently it also have some new problems in order to have an economical , efficient , credible development and application the structure and the philosophy of electromagnetism of powerformer will be on speaking terms changes electrical design , magnetism design , thermal design and structural design are have some new changes above all , the electromagnetism parameter and the harmonic magnetomotive force of powerformer are studied in this paper first , it mainly utilizes analytics to deduce formula of slot leakage reactance it considers three instances , including monolayer - slot , multilayer isometric - slot and multilayer anisometric - slot then , the analytics and the fem are utilized to calculate slot leakage reactance of stator winding of prototype of powerformer and compare their results second , the theory of utilitzing fem to calculate the reactance of powerformer is simply introduced , including stable reactance , transient and subtransient reactance specially , the saturated influence of the stable reactance is considered then , the results are analysed final , it mainly introduces the influence of harmonic magnetomotive force of stator winding and analyses the harmonic magnetomotive force of stator winding then , it mainly analyse harmonic magneto - motive force of stator winding through arranging various arrays of stator winding and observe their influence

    基於上述原因,本文對powerformer的電磁參數以及定子繞組諧磁勢進行了研究。首先是用解析法推導出powerformer定子繞組漏抗的計算公式,考慮了單層圓形半閉口、多層等半徑圓形半閉口和多層不等半徑圓形半閉口三種情況,並對powerformer樣機的定子繞組漏抗用解析法和有限元法進行了計算,並比較其結果;其次,簡要介紹了有限元法計算powerformer電抗參數的原理,包括穩態電抗、瞬態電抗和超瞬態電抗,對穩態電抗考慮飽和影響,對結果進行分析;最後,介紹定子繞組諧磁勢對電機運行性能的影響並對定子繞組諧磁勢進行了分析。然後通過對定子繞組進行不同排列來分析定子繞組諧磁勢,看看繞組排列對諧磁勢的影響。
  2. The three - dimensional topography figures of major typical hydrothermal regions are drawn on the basis of field - measured bathymetric data of the okinawa trough and collecting a large number of data on bathymetry, multibeam and seismic profiles of other major typical hydrothermal regions

    在沖繩海熱液活動區實測水深資料的基礎上,廣泛收集了其他典型熱液活動區的水深、多束、地震剖面等資料,據此繪制出主要典型熱液活動區的三維地形圖。
  3. The corrugated steel, frameless structure proved to be most blast-resistant of those tested.

    紋鋼板無架結構經事實證明是試驗中最能抗爆震影響的。
  4. In the process of work, according to complex geological conditions such as huge thick soft clay in site and top surface of possible pile foundation supporting course fluctuating in large amplitude, we adopted many advanced exploratory methods ( just as high accuracy exploration of shallow earthquake, crosshole wave velocity test, vane shear test, pressuremeter test, etc. ), we found out that there is an ancient groove of yangzi river in former plant site, therefore we suggested in time that plant site should properly be moved eastwardly, only this item saved nearly about 50 million for pile foundation project cost

    在工作過程,根據廠址區軟粘土厚度大、可能作為樁基持力層頂面起伏變化大等復雜地質條件,採取了多種先進的勘探手段(如高精度淺層地震勘探、跨孔速試驗、十字板剪切試驗、旁壓試驗等) ,查明了原廠址區存在一個長江古凹,並及時建議廠址適當東移,僅次一項就節省樁基工程費用近5000萬元。
  5. Shanghai tengmin construction decoration material co., ltd is a business that specialized in the production of sound - absorbing plates, wave plates, heterotypic plates and trough plates

    上海騰閩建築裝飾材料有限公司是專業生產吸音板、浪板、板、異型板的企業。
  6. The results indicate that e. rhytidosperma bears pollen with 5 waved ridges and developed hyaline lines in the grooves, which is typical for type a of pollen morphology in the genus

    結果表明斑子麻黃的花粉形態也非常特殊,其縱肋數目5條左右,縱肋狀扭曲,肋間溝內透明線發達且分枝。
  7. Through cell ammeter and armature magnetomotive force, we qualitativly analyze that harmonic magnetiv field has influence on motor operating performance, it can ensure whether slot coordination suits well or not

    通過電流表和磁動勢圖定性地分析電機的諧磁場對電機運行性能的影響,由此確定電機所選配合是否合適。
  8. Characteristics of serpentine circular groove guide slow - wave structure

    曲折圓形導慢系統的高頻特性
  9. The water intake and outlet of power plant in tidal river bend is researched by model test with adopting w shaped rippled groove which meets the request of model roughness

    摘要進行了潮汐彎道段電廠取排水模型試驗,採用w形紋凹方式加糙,使模型糙率達到了模型試驗的要求。
  10. Dean, r. g. and dalrymple, r. a. ( 1984 ), water wave mechanics for engineers and scientists, prentice - hall inc, englewood cliffs, new jersey

    王豪偉、黃清哲和吳京( 2004 ) ,三維數值黏性浪水之模擬,第二十六屆海洋工程研討會議論文集, 101 - 108頁。
  11. Observed tidal harmonic constants in many stations are used to verify the astronomical tides in the compound fluid model. the wave model is tested by a set of wave flume data at first. then the results are compared by the actual processes of significant wave height in gauging stations

    其中復合流場模型中的天文潮利用眾多測站的實測調和常數進行驗證;浪模型首先進行了水實驗的檢驗,然後在臺風過程中,進行了測站有效高過程線的比較。
  12. The incident wave height h1 / 3 is in the range from 0. 1m to 0. 25m, and the peak period tp in the range from 1. 0s to 2. 0s. the ratio of s / h1 / 3, which refers to the subface level of wharf deck ( s ) to the incident wave height ( h1 / 3 ), is between - 0. 1 and 0. 7. three different shore connecting types : open - piled, permeable slope with armored 1ayer of dolosse b locks and impermeable slope with armored layer of concrete plate, are set in the experiment for the research on the effects of boundary condition with different shore connecting types on the wave impact

    本文的物理模型試驗在大連理工大學海岸和近海工程國家重點實驗室的大流水中進行,試驗中選用的隨機靶譜為改進的jonswap譜,入射高h _ ( 1 / 3 )范圍為0 . 1m 0 . 25m ,譜峰周期t _ p范圍為1 . 0s 2 . 0s ,碼頭面板的相對凈空(碼頭面板底面距離靜水面的距離s與入射高h _ ( 1 / 3 )的比值)范圍為- 0 . 1 0 . 7 ,其中s / h _ ( 1 / 3 )為負值時表示碼頭面板底面位於靜水面以下。
  13. 30 litre couplant tank. automatic pumped supply with full recirculation. visual and electronic level display. continuous couplant monitoring by flow sensor and ultrasonically

    30升的耦合劑儲蓄。自動化泵裝置可以將其完全循環利用。可顯示直觀的電子層面。通過流量傳感器和超聲地來對耦合劑進行連續監控。
  14. For the bldcm which has a general crest width of the back - emf waveform, two kinds of torque ripple conditions when drived by sine - wave current as well as by square - wave current are deduced based on the mathematical models. in addition, a comparison is carried out between these two conditions, which indicates that sinusoidal current driving is more favorable to minimizing the torque ripple when the crest width of the back - emf waveform is less than a certain value

    闡述了抑制齒轉矩措施對反電動勢形的影響,利用無刷直流電機的數學模型推導並比較了任意平頂寬度梯形反電動勢在正弦和矩形兩種電流驅動下的電磁轉矩脈動情況,得出在梯形平頂寬度減小到一定數值后採用正弦電流驅動更有利於減小電磁轉矩脈動。
  15. Abstract : a new waveguide which can change the wide wall of a rectangular waveguide into a symmetric arc wall is named as a cam - rectangular waveguide. comparing to sectoral waveguide, the new waveguide has the same voltage characteristics and is easier to be produced and fixed. an approximate formula of the dominant mode fields and the normalized conductance of a longitudinal resonant slot cut in the curved wall of a cam - rectangular waveguide are given. a resonant slot linear array in c & x band is designed, in which the slot voltage distribution is equiphase and the input is matched. the input voltage stationary ware ratio and the h - plane pattern of the antenna are measured. the experimental results show the conformance with theoretical results

    文摘:把常用的矩形導一個寬面改成圓弧形構成的導稱為圓突-矩形導.這種導與扇面導相比:電性能相當;導管結構更加簡單,容易加工,便於安裝.文中給出圓突-矩形導中主模場,圓曲面上縱向歸一化諧振電導近似公式.設計了c和x導曲面縱向諧振縫隙線陣,縫隙電壓相位為同相分佈,輸入端匹配.實際測量了天線輸入端電壓駐比和h面方向圖,理論與實驗相吻合
  16. Linear induction motor is an important kind of machines which have some merits such as simple structure, low cost, durability, convenience for maintenance etc. the subject of this thesis is to study a big circular ring linear induction motor, and the major works in this thesis are summarized as follows : ( 1 ) considering the effects of the finite length of primary core, one - dimension analytical solution for the air gap field is cited in this paper. based on it, the single layer winding magnetic field is studied. considering whole - pitched and short - pitched winding configuration with odd poles and half - fulled slots in both ends, the double - layer winding magnetic field is analyzed, respectively

    本文對大圓環直線感應電機進行了深入細致研究,內容包括: ( 1 )本文採用有限長行面電流作用於有限長鐵芯上的模型,引用了氣隙磁場一維解,研究了單層繞組磁場,奇數極半填雙層繞組在採用整距和短距時磁場的分析、比較,簡單介紹了二維解; ( 2 )用有限元軟體ansoft對大圓環直線感應電機空載氣隙磁場進行了靜態分析,並分析了結果; ( 3 )用軟體進行了額定電壓下的瞬態分析,得到了轉矩,位移,轉速隨時間變化曲線圖,利用單極性霍爾元件測定轉速並與軟體計算結果進行了比較,採用等效電路法計算了堵轉時的最大電磁力並做實驗進行了驗證,由實驗測得了三相電流形,並與計算結果進行了比較,對其不對稱性進行了定性分析。
  17. The total system of linearly tapered fin - fed slot antenna, which is made up of radome, lwsa and the feed structure, was optimized by commercial software ansoft hfss

    除了線性天線的設計以外,饋電結構的設計對于整個天線系統來說也是很關鍵的,鰭線和導的匹配好壞也決定了整個天線系統性能。
  18. The diffraction efficiency changing with grating parameters, especially for the situation that gaussian beams diffracted by finite grating, is numerically studied. 3

    對單色平面和有限尺寸高斯光束入射矩形光柵時的衍射效率與光柵柵距、深、開口比和入射角等參數的關系進行了模擬計算。
  19. 4, the summer rainfall anomaly in northeast china bears close correlation with the atmospheric circulation backgroud. while cold air in middle and high levels of troposphere is active in wet year with the positive anomalies over high - latitude and polar area, the active longwave ridge, the anomalous long - wave ridge in northeast china and inner - mogolia as well as the northward and eastward of the polar vortex, the contrary is in the dry year in northeast china

    4東北地區夏季降水異常與大氣環流背景有密切的關系,東北地區夏季多雨年在對流層中、高層冷空氣比較活躍,高緯和極區主要由位勢高度的正距平所控制,貝加爾湖以北的地區長脊較為活躍,在東北地區和蒙古地區有異常的長波槽發展,極渦位置偏北、偏東;而在東北地區夏季少雨年則容易出現與上述相反的異常環流形式。
  20. From 500 - hpa geopotential height maps, one can depict important weather systems on the large scale, e. g. subtropical ridge or long - wave troughs in the westerlies

    從500百帕斯卡的位勢高度圖,可清楚檢視大尺度的重要天氣系統,例如西風長波槽或副熱帶高壓脊等等。
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