輪轉比 的英文怎麼說

中文拼音 [lúnzhuǎn]
輪轉比 英文
hub ratio
  • : Ⅰ名1 (輪子) wheel 2 (像輪子的東西) wheel like object; ring; disc 3 (輪船) steamer; steamboa...
  • : 轉構詞成分。
  • : Ⅰ動詞1 (比較; 較量高下、 長短、距離、好壞等) compare; compete; contrast; match; emulate 2 (比...
  • 輪轉 : rotate; [計算機] round robin 輪轉計 trocheameter; odometer; 輪轉印刷機 rotary machine; rotary pre...
  1. Because of the technical complexity of the turbine for the three gorges project and on the basis of several important technical problems which have been defined in the international bidding documents for 14 generating units in the left bank power station, the owner of the project has decided another some important technical problems based on appraisal and comparison in the bid appraisal stage after the bidding documents are analyzed and the tender documents are cleared by the tenderers

    由於三峽工程水機技術上的復雜性和挑戰性,在左岸電站14臺機組國際招標文件已明確了若干重大技術問題的基礎上,在機組議評標階段,對招標文件進行分析和投標商對投標文件進行澄清說明后,經評議選,業主又決策了幾個重大技術問題,主要有:水機設計水頭的確定,負傾角葉片水機的應用,兩套水力設計,舍棄初期,蝸殼進行水壓試驗等。
  2. In order to get the energy characteristic of flywheel, this paper put forward the circumrotate state k of flywheel by analogy with soc. then, the energy model of flywheel battery was established and the simulation results of the design flywheel battery were got

    本文還探討了飛電池的能量特性,建立了飛電池的能量模擬模型,提出用飛狀態k來類化學電池的soc ,並用simulink對所設計的飛電池進行了模擬分析。
  3. I have often drawn an analogy with the difficulty that an ocean liner has in negotiating a tight turn quickly when sailing through a narrow channel

    我經常喜歡用大郵喻:她在狹窄的航道航行時,要來個急是相當困難的。
  4. Oversteer in the “ textbook ” sense is the difference between cornering stiffness at front and rear, taking into account tyre characteristics, geometries, bush rates, etc, etc

    向過度在教科書中是指前後向剛度的不同,需要考慮到胎的特性,幾何學,襯套率等。
  5. Gudjohnsen moved to catalonia in the summer from the premiership champions and will return to west london for the first time when the teams meet in the champions league next week

    古德約翰遜在今年夏天被衛冕冠軍賣給了加太羅尼亞人,而下周的這場冠軍聯賽第三賽將是他會后第一次回到西倫敦。
  6. 4ws ( four wheel steering ) is a new technology in vehicle systems. compared with the current 2ws ( two wheel steering ), 4ws has such advantages : when the vehicle turns at low velocity, it provides more smaller steering radius and improves the flexibility ; when the vehicle turns at high speed, it improves the operation stability

    與二向汽車相,四向汽車有如下優點:低速彎時,向半徑小,汽車的靈活性高;高速行駛時,能迅速改變車道,而車身又不致產生大的擺動,減少了擺尾產生的可能性,使司機更容易控制汽車的姿態。
  7. The results show that, when increasing the feed rate of the grinding wheel, decreasing the rotating speed of the wafer chuck table and using coarser grit grinding wheel, the material removal rate in the wafer rotating grinding increase, the feed rate of the grinding wheel has greater influence on the material removal rate ; when suitably increasing the rotating speed of the grinding wheel, decreasing the feed rate of the grinding wheel and using finer grit grinding wheel, the wafer surface roughness can be reduced ; there exists a critical rotating speed of the grinding wheel ( about 2300rpm ), beyond which the material removal rate evidently decreases and the spindle motor current and wafer surface roughness steeply increase ; when the grit size of the grinding wheel is finer than # 2000, the material removal rate decreases and the wafer surface roughness has no obvious improvement

    研究結果表明,增大砂軸向進給速度和減小工件速,採用粗粒度砂有利於提高磨削矽片的材料去除率,砂軸向進給速度對材料去除率的影響最為顯著;適當增大砂速,減小砂軸向進給速度,採用細粒度砂可以減小磨削表面粗糙度;在其它條件一定的情況下,砂速度超過一定值會導致材料去除率減小,主軸電機電流急劇增大,表面粗糙度變差;採用# 2000粒度更細的砂磨削時,材料去除率減小,矽片表面粗糙度沒有明顯改善。
  8. Turn and turn taking in english natural conversation and conversation of internet chatting - room

    從話和話換的角度對英語自然會話和網路聊天室會話的
  9. The electro - hydraulic proportional control law is given. the laws of tracking control of displacement and speed of aircraft as well as tracking control of angle and angular speed of belt wheel are designed by means of state feedback linearization and quadratic performance index linear optimal control method. the robustness of the designed systems is analyzed, and arresting processes are simulated

    給出了電液例控制規律;利用狀態反饋線性化及二次型性能指標線性最優控制方法分別設計了系統跟蹤控制飛機位移與速度以及跟蹤控制帶角與角速度的非線性控制規律;對所設計的攔阻系統進行了魯棒性分析及攔阻過程模擬,模擬結果表明,通過選取適當例系數或控制權系數,兩種控制系統的控制效果及魯棒特性均優于新型飛機攔阻系統。
  10. By the analysis, it was found out that the key control factor determined the speed limit and storage energy was the poor transverse tension strength of the composites. therefore, if only fibers of high longitudinal tension strengths were used in the rim, high rotate speed and high energy storage density of flywheel rotor would not be achieved

    經過理論推導及程序優化較,發現,影響飛子極限速和儲能量的主要控制因素,恰好是其復合材料環較為薄弱的橫向拉伸強度,因此單純地通過採用高縱向拉伸強度的高強碳纖材料來製造飛子,並不能得到期望的高速和儲能密度。
  11. Additional, by comparing with conventional bogie, it is discovered smaller lateral body acceleration, but sticks to one rail trends and high vvorn values because of guided by vvheel flange. it should be referred that these results are only useful to special simulation model of lrv with irws in this paper

    此外,通過與常規向架進行較發現,獨立旋車輛車體橫向加速度較小,但有貼靠軌道一邊行駛的傾向,且由於靠緣導向,使得獨立旋向架的整車磨耗傳統向架的略大一些。
  12. Given the rotational speed of the driving wheel, the temperature in the contact zero rises evidently as the load is increased. given the load, however, this temperature rises faintly as the rotational speed of the driving wheel increases. when the modulus is small and rational rate is high, the change of the rational speed and load have the apparent influence on the temperature distribution, but when the modulus is larger and rational rate no larger than 1. 0, the above changes have negligible influence on the temperature distributions

    當主動速一定時,隨著載荷的增加,接觸區的溫升明顯增加;當載荷一定時,隨著主動速的增加,接觸區的溫升卻無明顯變化;當模數較小、傳動較大時,速和載荷的變化對接觸區溫度分佈的影響較明顯;但當模數較大而傳動i 『 1時,速和載荷的變化對溫度分佈影響較小。
  13. 3 ) based on experimental analysis, the relation among the speed ratio changing rate, oil pressure of driving and driven pulley cylinders, driving pulley input speed and torque, metal belt speed ratio has been studied. model for getting the ratio changing rate is put forward, and practical equation giving the ratio changing rate is obtained by experiments

    3 )通過實驗分析,研究了主、從動油缸壓力、主動速、輸入矩和帶式無級變速傳動速與速變化率的關系,建立了獲取cvt速變化率的模型,導出了符合實際規律的實用計算公式。
  14. In basic action layer ' s designing, it uses a fuzzy - pid control algorithm that brings the system with a good dynamic and static performance. in the whole decision - making process, the protean situation on the competition ground is expressed by an artificial intelligence method for describing the state space that is constituted by selecting a small number of discrete representative states. desired actions are set for every robot based on the tasks of the system and the strategy

    其中在進行基本動作層的設計時,採用了模糊控制與pid控制相結合的智能控制演算法,使系統具有良好的動、靜態品質;而在進行整體決策時,採用了人工智慧的狀態空間表示方法,在賽場上瞬息萬變的態勢中選擇少量的具有代表性的離散狀態來構成狀態空間,再根據系統需要完成的任務,為機器人確定有限的動作集合,並通過決策推理,給每個機器人選擇合適的動作,從而決策得出機器人的左右速值,實現對系統的實時控制。
  15. By plastic design, the speed limit of the flywheel was 42038 rpm, with the energy storage value of 3. 6 kwh, and the energy storage of 129 wh / kg ( which is 49 % more than elastic design )

    經過彈塑性理論設計的飛子,極限速42038rpm ,儲能總量達到了3 . 6kwh ,儲能密度為129wh kg ,彈性設計提高49 。
  16. On the basis of the analysis of all sorts of stress analysis methods, the stress distributions of flywheel rotors with different structures and different materials are analyzed quantitatively and compared

    在分析了飛子各種應力分析方法優缺點的基礎上,對不同材料不同結構的飛子的應力分佈作了定量分析和較。
  17. Here is an example of the linebuzz inline commenting system. highlight any post text, click on " comment inline " at the top of this linebuzz box and a comment pop up window appears for you to add your message

    裏面有這個星球上最大的,也是唯一的摩天,它雲還要高,高的彷彿能摸到星星,它每一圈需要12個小時。
  18. In this paper, a new way of real - time damage detection method was proposed according to the high speed working situation of the composite flywheels for energy storage, and a suit of equipment was developed to test the composite samples with piezoelectric disc built - in, the response waves before and after the damage occurred were recorded to the computer. on the base of traditional spectrum analysis of signal recorded, the wavelet analysis was introduced and the program in matlab language was made. with the wavelet packet decomposition of the signal, the relations between the change of response signals and damage characters were gotten, a database for damage recognition was created

    本文結合儲能復合材料飛高速旋的工作特點,提出了一種在線檢測飛子損傷的方法,自主設計一套實驗裝置對模擬各種損傷的的試樣進行了測試,試樣損傷前後的響應信號被採集后存入計算機中;在對採集信號進行傳統的頻譜分析的基礎上,引入了先進的小波分析理論,利用matlab語言編寫程序,對信號進行小波分解,得到了信號變化和損傷特徵之間的關系,建立了一個識別飛損傷的數據庫;小波包分解得到信號對圖和特徵向量,可以有效判定材料內部有無損傷和損傷的程度,結合頻譜分析等,可一定程度上判定損傷的類型,為儲能飛的安全運和智能化運作提供了決策依據。
  19. This thesis gives a brief introduction to basic theory of wind power, construction of wind farm and commissioning and operation of wind turbine by illustrating the 3rd phase extension project of ningxia electric power group co., ltd helanshan wind fram. based on the specific study on the engineering construction and the domestically and globally popular 850kw wtg, further by comparasion of the power output rate of g52 and g58, we can prove that with substitute of new material and new technology, larger capacity wtg will become popular. especially when the running diameter of blades enlarged, more power produced at same wind speed ; and the high efficiency will be further guaranteed if the gearbox, major shafting equipment be checked and maintained regularly

    根據對實際工程建設的具體研究,對我國及國際上主導機型850kw風機的具體分析,以及對g52和g58風機輸出功率的較,更進一步證明在新的技術和材料替代下,更大型的風力發電機組將會替代現有主導風機機型,特別是在風機葉動直徑增大后,相應的輸出功率在同等風速下會有明顯增加,更好的利用風能並變為電能;齒箱作為風機中主要傳動設備,只有按維護要求並根據實踐經驗定期檢查易損部件,才能使風機安全高效的運行,提高風機的經濟運營效率。
  20. There is a pretty strict limit of reliability, cost, volume and energy - consuming. real - time embedded control system is applied for firm real - time and responding circumstance. aiming at direct current servo electromotor, a set of servo experiment system is designed, exploitation flow and process of real - time embedded control system are advanced, some issues of them are paid much more attention, the satisfied effects are obtained in the real circumstance, these issues include : exploitation of embedded system, analysis of superiority of the exploitation, the exploitation of embedded linux operation system from kernel customizing and file system cutting out to system starting up is researched, some factors which effect the system ' s capability are analyzed, the settled real - time schemes of linux os and the arithmetic of preemptive priority scheduling and round - robin scheduling and latest and rapid arithmetic are researched

    本文圍繞著針對直流伺服電機設計一套伺服試驗系統,對于嵌入式實時控制系統應用技術進行了較全面的研究,提出了嵌入式實時控制系統的開發流程和步驟,並對其中的一些問題進行了專門研究,在實物實驗中獲得了較好的效果,這些問題包括:嵌入式操作系統開發,分析了使用linux操作系統進行嵌入式操作系統軟體開發的優越性,並且從內核定製、文件系統裁剪、系統啟動等幾個方面研究嵌入式linux操作系統的開發;實時性研究,分析了在操作系統中影響系統實時性能的因素,研究了linux操作系統的幾種實時解決方案,並且研究了基於優先級的可搶占式與可選擇的同優先級按時間片相結合的調度演算法以及最遲響應與最快處理的可搶占式調度演算法。
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