轉輪高程 的英文怎麼說
中文拼音 [zhuǎnlúngāochéng]
轉輪高程
英文
runner elevation-
This drilling adopts crank connecting link and walking beam percussion mechanism, which make the drilling possess two percussive functions, normal drilling takes connecting link impact as main mode, when encountering special situation and the connecting link impact can not drill, it can transform into hoisting impact, the stroke length can be modulated, it realizes automatic percussive drilling due to continuous operating of connecting link percussive mechanism, these can enhance drilling efficiency and relieve labor intensity ; it adopts pumping reverse circulation to drain slag, which not only resolves the drilling difficulty in special stratum such as pebble and gravel stratum and hard stratum, but also resolves the problem that the percussive drill ' s efficiency is low ; it adopts spur gear differential mechanism as double cylinders lazy tongs of main hoist, which not only ensures the balance state of drilling tool, but also reduces the mechanical design, and reduces the cost ; the bottom plate traveling motion of this drilling machine adopts walking type ; the drilling tower adopts hydraulic pressure uprising, and reduces the assistant operating time
該鉆機採用曲柄連桿、游梁式沖擊機構，使鉆機具有兩種沖擊功能;正常鉆進以連桿沖擊為主，遇到特殊情況，用連桿沖擊不能鉆進時，可轉為卷揚沖擊，沖程可調，因連桿沖擊機構連續工作，所以實現了自動沖擊鉆進，可提高鉆進效率，減輕勞動強度;採用泵吸反循環的方式排渣，既能有效解決卵礫石地層、堅硬地層等特殊地層鉆進的困難，又很好地解決了沖擊鉆機效率低下的問題;採用直齒圓柱齒輪差速機構作為主卷揚的雙筒同步機構，既保證了鉆具處于平衡狀態，又大大簡化了該機構設計，降低了成本;該鉆機底盤行走移位採用步履式;鉆塔採用液壓起立，減少了輔助作業時間。Flow characteristics of moveable teeth gear rotator pump
農用高揚程大流量活齒齒輪轉子泵的流量特性This paper elaborates the parameters selection of the 700mw turbine for laxiwa power station located upstream yellow river, which is coming into construction soon. through statistical calculation of specific speed for turbines with large capacity, high operating head in domestic and oversea power station, utilizing turbine homologous theory. adopting regression statistic calculation method, it has got specific speed statistic equation., the demonstration of primary parameters selection, and the primary target parameters suitable for laxiwa power station
本文針對黃河上游即將開工建設的拉西瓦水電站700mw水輪機的參數選擇進行了研究，通過對國內外的大容量、高水頭水輪機的比轉速統計計算，利用水輪機的相似理論，採用回歸統計計算方法，統計出了比轉速統計方程，並進行了水輪機主要參數選擇論證，提出了適合拉西瓦水電站水輪機的主要目標參數。The stability of electric power system has been being focused for a long time toprevent a power system from losing synchronism after sudden fault ， researchers have done much work and got many accomplishments this paper applied the direct feedback linearization ( dfl ) technique on the power system ， a strong nonlinear system simulation results by matlab proved this method efficiency main works and results are as follows ： this paper compared some existing methods in excitation control ， fast valve control and coordinated control respectively, analyzed the developments and actuality of nonlinear control research in brief, illustrated why ransient stability could be greatly improved by using the fast valve control in chapter 3 ， indicated the importance of coordinated control farther this paper introduced the inverse system theory, based on which ， discussed the dfl theory, pointed out which had consistency with the inverse theory, expanded the dfl theory combined the idiographic model equations ， made which adapt to the model of a single machine - infinite bus power system this paper referenced abundance articles and educed a set of equations ， which could describe the dynamical process of excitation and fast valve control for synchronous generators in the equations ， there were several very important parameters of power system - - rotor angle ( ) ， rotor speed ( ) ， generator q axis voltage ( eq ) ， transient voltage ( e ' q ) ， active power ( pe ) ， mechanical input power ( pm ) ， valve opening ( ) ， generator terminal voltage ( vt ) ， based on the model ， nonlinear coordinated controller and terminal voltage optimal controller have been designed by using the expanded dfl theory and lq optimal control theory the simulation results showed that the controller could keep power system transiently stable under the effects of a symmetrical 3 - phase short circuit fault ， which achieved better postfault regulation compared with another two routine methods ， one is the proportion excitation controller and proportion fast valve controller, the other is the proportion excitation controller and the optimal fast valve controller, which could exert good performance when met 1ittle disturbance either
在介紹逆系統理論的基礎上，詳細介紹了dfl理論，通過比較闡明了dfl理論其本質是逆系統方法的一類，並結合具體課題推導出的模型方程將dfl理論進行了擴展，使之適應于電力系統這個強非線性對象。通過參考大量的書籍文獻推導出一套實用的可將大型汽輪發電機勵磁與汽門綜合起來進行控制的模型方程，此模型方程涵蓋了電力系統中特別引人注目的幾個量- -轉子角、轉子轉速、發電機q軸電勢eq 、暫態電勢e ' q 、有功功率pe 、機械功率pm 、汽門開度、機端電壓vt ，在此基礎上建立了實用的電力系統簡化的數學模型，並將擴展的dfl理論應用於此模型系統，結合線性二次型最優控制理論設計出大型汽輪發電機的非線性綜合控制器及機端電壓最優控制器，通過模擬實驗與採用常規的按電壓偏差進行調節的比例式勵磁控制器+汽門比例控制及採用常規的按電壓偏差進行調節的比例式勵磁調節器和基於二次型性能指標設計的最優快控汽門（考慮發電機的飽和因素）進行了對比，證實了採用此種控制器可以有效地提高電力系統的暫態穩定性，並且在電力系統遭受小干擾時同樣具有良好的調節性能。Brief introduction the model kx920 wheel is one of the series leading products made in our works that is well received both at home and abroad for its reaso - nable design, beautiful contour, and advanced norms. by adopting of three - ele ment torque converter, fixed - axle type pcwer shifing transimission box, in = bub reduction, double - axle drive, hinged frame, all hydraulic steering, and clamping brade. the loader has such features as : large power reseve, fi - neaccelerating performace, comfortable operation, wide field of vision, it " s muti = function, high - effic ient and flexible engineering machinery. mor - eover, it can be equipped with many kinds of working attachments such as flat fort, muti - fnction bucket, and snow plow, so it may be used for loading and unloading, transporting, piling and leveling materials in various kinds of projects. mines, enterprises and city. welcome friends both at ho - me and abroad to visit our factory and to order our products
Kx920裝載機是我公司生產的系列主導產品之一，該機設計合理，外形美觀，指標先進，在國內外享有盛譽.它選用三元件液力變矩器，定軸式動力換檔變速箱，輪邊減速，雙橋驅動，鉸接式車架，全液壓轉向，汽液鉗盤式四輪制動，手動鉗盤式停車制動，反轉連桿機構，動力儲備大，加速性能好，駕駛舒適，視野寬廣，是一種用途廣，效率高，機動靈活的工程機械.備有平叉，圓木叉，多用途斗，推雪板，側翻，抓草機等多種工作裝置，因此廣泛用於各類工程，工礦企業和城鎮的物料，垃圾裝卸，運輸，堆垛，平整等作業，歡迎國內外朋友們來公司參觀，選購According to achievements in research, using face - radial sealing structures can adapt to the developing trend of increasing rotary speed of cone bit to a certain extent in lubricating system of bearing seal, which is cramp to bit service life
本文的研究表明，在偉l ]約鉆頭壽命的軸承密封潤滑系統中，採用端面一徑向組合密封結構能夠在一定程度上適應牙輪鉆頭轉速提高的發展趨There is difference frequency measurement requirement for every part of pid regulating, difference between dynamic quality and static quality in response time and accuracy. according to these, it use the interrupt functions and high - speed counter of the simens s7 - 200 plc cpu226 basic unit and some peripheral circuit to measure frequency ; in software designed, the procedure frame of hydraulic - turbine governor and disperse process of parallel pid are analyzed, an improved pid algorithm is adopted to realize a pid regulation mode with variable structure and parameters ; the mechanical liquid - pressure system of the hydraulic - turbine governor is with electric - hydraulic converter unit of step motor. according to the drive character of five phase of response step motor, a variable frequency regulated voltage driver unit is designed in order to realize interface between plc and driver of step motor
本文利用s7 - 200plc自身的特點設計了頻率測量單元，根據pid調節各個環節的特點，以及調速器動態特性、靜態特性對頻率測量的實時性和精度要求的不同，利用s7 - 200plc基本單元中內置的高速計數器以及相應的外圍放大整形、分頻電路，實現了水輪發電機組頻率的測量；在軟體上，對微機調速器的整個程序框架、並聯pid的離散化過程進行了分析，選用改進的pid演算法實現了變參數、變結構的pid調節模式；調速器的機械液壓隨動系統具有步進電機電液轉換元件，採用五相反應式步進電機，根據其驅動特性設計了變頻調壓驅動器，實現plc與步進電機驅動器之間數字介面。This condensate discharge from the condensers ( feed water ) is pumped back to the steam generator in the nuclear island to be converted into steam again. cooling water for the condensers is taken from the sea via the seawater pumps in the pump house
從冷凝器流出的凝結水（即給水）會泵回核島內的蒸汽發生器，然後再次轉化為蒸汽。在這過程中，蒸氣會將渦輪發電機作高速轉動（The capacity and size of modern hydrogenerator set are larger with rapid developing of hydroelectric engineering, specific speed of hydraulic turbine increase too. the phenomenon of excessive vibration in some load area is founded ubiquitously
隨著水電工程建設的高速發展，現代水輪發電機組的容量和尺寸日趨增大，比轉速也相應提高，普遍出現在某些工作區域內振動過大的現象。With the engineering thermophysics subject as a main theory basis, the boiler, the steam turbine, the internal combustion engine and the other new, being developed power machinery and system as the research object, the application of engineering thermodynamics ， heat transfer, computer system control theory, environmental science, microelectronics technology, energy - saving technology and other knowledge ， study the process and the basic law of fuels chemical energy and liquid kinetic energy to converse to the power securely and efficiently and low ( or no ) impurely ; study the energy conversion process systems and technology of equipment automatic control ; study the producing mechanism and emission control technology of combustion pollutants ; study energy - saving technologies and the development of new energy technologies
熱能工程是以工程熱物理學科為主要理論基礎，以鍋爐、汽輪機、內燃機和正在發展中的其它新型動力機械及系統為研究對象，運用工程熱力學、傳熱學、計算機自動控制理論、環境科學、微電子技術、節能技術等學科的知識，研究燃料的化學能和液體的動能安全、高效、低（或無）污染地轉換成動力的基本規律和過程；研究能量轉換過程中的系統和設備的自動控制技術；研究燃燒污染物生成機理與排放控制技術；研究節能技術與新能源的開發技術。This model manages remote invokes through event driving, and supports two asynchronous invoke model such as asynchronous call back and polling ; the model uses router as message " store - forward " mechanism, and guarantees time independent invoke of loosely coupled application ; the model extends the traditional corba addressing way, defines a kind of logic object address, which can support object migration of loosely coupled application and increase transparency of object location ; the model also defines object group address, which supports message multicast and implements " i - to - n " communication model
該模型採用事件驅動的方式管理遠程調用，支持異步回調和異步輪詢兩種異步調用模式；模型採用路由代理作為消息的「存儲-轉發」機制，保障了松耦合應用的時間無關調用的需求；模型擴展了傳統corba的尋址方式，定義了邏輯對象地址，能夠支持松耦合應用的對象遷移，提高了對象定位的透明性；模型還定義了對象組地址，支持消息組播，實現了「一對多」的通信模式。 2An interpolation program is used to convert the fluent result data to the ansys load data. it is a new method to analyze turbine tip clearance. in this paper, some research of the numerical computation of the tip clearance of aero - engine is done, the parametric method is used and the research on the flow, heat and structure integration analyses is accomplished
本文對渦輪機匣氣熱固一體化分析方法做了研究，通過編制了載荷轉換與施加程序，從氣熱計算模型中提取溫度場計算結果，並作為載荷加入到熱固耦合計算模型中，實現了高壓渦輪機匣的一體化計算分析，為實現渦輪葉尖間隙的氣熱固一體化分析打下了基礎。This paper studied two - dimension model of rotor and cylinder and builded the finite element model. generally take the rotor and the cylinder as control objects ， definite their boundary conditions ， solute their temperature fields ， and then analyst their bear expansions and distortions as well as thermal stress distribute ， to control the courses ， and keep the unit the most optimum operating condition. and put the theories into practice developed by c + + program, used as the important part of the online monitoring and management system of life of the steam turbine
本文對汽輪機轉子和汽缸的二維模型的進行分析，建立有限元模型；將汽輪機轉子和汽缸作為控制對象，確定其邊界條件，求解其溫度場，分析其熱膨脹、熱變形以及熱應力分佈；採用c + +語言編制汽輪機高壓缸、中壓缸以及缸體的溫度場實時在線監測程序，作為汽輪機壽命在線監測與管理系統的核心部分，用以指導汽輪機的啟停及運行過程，使機組可以安全的、經濟的運行。As the deformation caused by centrifugal force is beyond the small deformation range, the large deformation effect was also taken into account in the equation. two models are constructed, one is of shrouded blade and the other is of bladed disc. the static natural frequencies and dynamic frequencies ( under 3000rpm ) are calculated by the finite element method and cyclic symmetry technique
針對葉片的結構特點，採用適應較強的三維八節點實體單元模擬葉片，建立葉片運動微分方程;葉片?輪盤系統在高速旋轉時，受到離心力作用，使葉片發生大變形，故在方程中考慮了幾何大變形的問題;為研究葉根輪緣之間的接觸狀態，建立了考慮葉根?輪緣接觸的有限元方程，利用拉格朗日增廣演算法來求解該方程，確定葉根輪緣之間的接觸面狀態。Filling them into tread compound respectively, rolling resistance of tyre was reduced, wear resistance was advanced, the integrated properties of tyre were improved
將其分別填充到輪胎胎面膠中，均能不同程度地降低輪胎的滾動隊力，提高轉胎的耐磨性，從而改善了輪胎的綜合性能。After the function of cutting, lashing and scraping produced by the strong force, and then becoming granule and being scatted, a part of the disposed liquid will spurt out from the spurting mouth at the upper of the container
部分由具有高轉速的獨特的輪機與具有放射狀折流板之作用的定子的被處理液就任由高速回轉中的輪械與定子之間所產生的強力的剪斷、沖擊、刮流等過程，而被細粒化及分散，而由上方之噴出口往上噴出。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比較，發現，影響飛輪轉子極限轉速和儲能量的主要控制因素，恰好是其復合材料輪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輪轉子，並不能得到期望的高轉速和儲能密度。The foundation of back is10 steel or spcc, the surface is agglomerated by different trademarks copper and lead powder, resistant against : tiredness, abrasion, heat, has good carrying capability, especially, be the same with the connecting rod clevel, rocker, gear case, cranking motor, trig chasis, and motor gear case, redirector, hydraulic pressure oil pump, engineer
產品具有疲勞強度高，耐磨不發熱，承載能力大等特點，特別適用於汽車發動機的連桿搖臂，輪箱，起動馬達，制動底盤及摩托車輪箱，轉向器，液壓油泵，工程機械，空調壓速機等場合，目前我廠是國內最大的發動機連桿襯套生產企業之一。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輪高速旋轉的工作特點，提出了一種在線檢測飛輪轉子損傷的方法，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，建立了一個識別飛輪損傷的數據庫；小波包分解得到信號對比圖和特徵向量，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，為儲能飛輪的安全運轉和智能化運作提供了決策依據。The main features of the system are as follows : ( 1 ) there is no direct mechanical connection between engine and wheel, so the engine can be adjusted to work at high efficiency zone. ( 2 ) the power of the engine can be transmitted to driving axle directly by the electromagnetic force, and only part of power is converted from mechanical energy into electric energy, so the power losses in energy conversion can be reduced. ( 3 ) the system can also operate as electronic continuously variable transmission
其特點是：發動機獨立於車輪運轉，可始終在高效區工作；發動機的動力主要通過電磁力直接傳給驅動橋，僅有少部分動力經過機械能電能機械能的轉換，降低了能量轉換過程中的損失；且該系統兼備無級變速器的功能。分享友人