換態器 的英文怎麼說
中文拼音 [huàntàiqì]
換態器
英文
dynamicizer-
The ultrasonic dynamic contact of bolt - clamped transducer and rigid plane are modeled using hertzian contact theory, and the analyzing results reveal that the nodal plane of the bolt - clamped transducer is levitated in normal direction by the ultrasonic dynamic contact action, and the real area of contact of bolt - clamped transducer and rigid plane decreases in the same time
首先利用赫茲接觸理論建立了夾心式換能器和剛性平面的超聲動態接觸模型。通過對模型進行分析、求解表明，在縱向超聲頻率動態接觸作用下，換能器節面位置產生了上浮，換能器端面與剛性平面的動態真實接觸面積比靜態時減少了。Modal analysis of the fin heat exchanger using fem
翅片式換熱器模態的有限元分析The china heating information network altogether divides into several big edition blocks they separately are : heats the on - line exchange area ; warmly passes the heating profession tendency ; heating ( thermoelectricity ) technical paper ; heating ( heating ) thermoelectricity product supply and demand information ; warmly passes the equipment, the heating product demonstrates, heating enterprise / heating company huang ye ; heating investigation ; heating magazine free subscription ; visitor visitors ' book ; and three leisure columns - reading room, joke, tabletop wallpaper and so on
中國供熱信息網共分幾大版塊分別是：供熱供暖論壇交流；暖通供熱行業動態；供熱熱電技術論文；供熱供暖熱電產品供求信息；招標采購投資合作；暖通設備供熱產品論文（包括鍋爐、熱量表、散熱器換熱器、保溫管材、地暖等） ，供熱公司供暖公司採暖供暖設備黃頁；及兩個休閑欄目-在線書屋、精彩笑話等。At present there is a lack of fundamental data of dynamic thermal transfer performance of ground loop exchanger and energy - saving performance of gshp system
但有關埋地換熱器動態特性以及地源熱泵節能潛力方面的基礎性研究較缺乏。For a soil or rock of water - lacked, a heat transfer theoretical model is developed, which is a steady or unsteady, the results show that reservoir temperature, thermal diffusion coefficient, inlet temperature, flow rate of and run time of ground source heat pumps have an effect directly on heat transfer process of dhe. it can deduce that intermit running is favorable for this type of soils and rocks
對于貧含水地下巖土層建立了穩態與非穩態傳熱的理論模型，分析結果表明，巖土層的熱儲溫度、導溫系數、埋地換熱器進水溫度、流量以及地源熱泵系統的運行時間或開停機比，都對埋地換熱器的傳熱過程產生直接影響，可以推斷，對于該類型巖土層的地源熱泵系統，採用間歇運行將是有利的。Based on the refrigerant state, divides a heat exchanger into three zones with zoned lump method, i. e. superheat, two - phase and subcooling zones, works out the temperature difference and heat transfer coefficients of the three zones
採用分區參數法將換熱器按製冷劑狀態分為過熱、兩相、過冷三區，分別計算了各區的換熱溫差、傳熱系數等。In the paper, on the basis of research of static state and transient state in the scr and series connection valve circuit, the high voltage scr changing current valve device has been developed for ac - dc - ac high voltage commutatorless motor. the series connection valve circuit has been designed and simulated. the hardware design and software programming of trigger pulse system and monitoring system in the photo - electronic - photo fashion has been completed
無換向器電動機在火電廠等工礦企業的電機調速節能領域中有十分廣闊的應用前景，本文在對晶閘管元件和串聯閥電路的靜態特性和動態特性研究的基礎上，研製了用於交直交電流型高壓無換向器電動機的高壓晶閘管換流閥裝置，進行了串聯閥電路的設計和模擬，完成了電光電方式的觸發脈沖系統和監測系統硬體設計及軟體編程，並進行了裝置的實驗調試。Dynamic model and simulation of fan - coil heat exchanger
風機盤管換熱器動態換熱模型及計算機模擬According the characteristics of heat exchanger, the number of flow phases and the flow structure in the heat exchanger vary when heat transfer area, heat transfer coefficient or pressure change. subsection models was founded respectively, and that the simulation model has been set up through advanced continuous simulation language ( acsl ) correspondingly
針對換熱器動態工作過程中各相區的換熱面積、換熱系數、壓力的變化會引起製冷劑相區數目和相區組合發生改變的特點，分別建立了各種組合結構的數學模型，並運用acsl實現了它們的模擬模型。The dynamic thermal performance of honeycomb potter heat storage bed used in high temperature air combustion are experimentally tested
摘要對高溫空氣燃燒技術中的關鍵設備蜂窩型陶瓷蓄熱體換熱器的熱動態特性進行了實驗測試。Examinations of steady status and analysis of dynamic experiments have been conducted on band - tube evaporator and parallel - flow condenser using r134a refrigerant. the steady examination show that the model error was under the allowable error, the inlet mass and enthalpy disturb experiments indicate that the subsection model, be good at reflecting the change of parameters of the heat exchanger, accord with the basic principle of thermodynamics theory and the actual work status. hence, the subsection simulation model research has important benefits both on theory and engineering application
在進行模擬試驗時，以使用r134a作製冷劑的管帶式蒸發器和平行流式冷凝器為對象，完成了穩態模擬計算、試驗和動態模擬分析，穩態計算結果和試驗數據對比表明，其誤差在允許范圍內；進口質量和焓值的擾動試驗結果表明：本文所建的區段式換熱器模擬模型，能很好的反映換熱器性能參數的動態變化，與系統熱動力學理論和冷凝器、蒸發器的實際工作過程基本一致。A comparative study and simulation of different control schemes, for the brushless motor variable - speed system, is presented. the simulation results show that, with the outer speed loop based on conventional proportional - integral controller, the dynamic performance of the system is not content, while with intelligence controller, the performance improves, and with variable - structure control with sliding mode, the system response influenced slightly by the vary of the system parameters
本文還對無換向器電動機雙閉環調速系統的不同控制方式進行了模擬比較，結果表明：採用常規的pi轉速調節器，系統的動態性能不是很好；採用簡單的轉速環智能控制器，系統的動態性能能得到一定改善；採用轉速環滑模變結構控制器，系統的響應特性受系統參數變化的影響較小，具有優異的動態性能。Through acoustic coupling of the transducer and the elastic plate, energy is transferred to the metallic plate, thus, the metallic plate ’ s flexural vibrating mode comes into being and driving force is produced by the legs ’ rectilinear motion
該馬達振子由夾心式換能器和加工有齒的金屬薄板連接而成。夾心式換能器激勵金屬薄板產生彎曲模態的振動，從而通過作斜線軌跡振動的齒產生驅動力。Above and below the keyboard key or w, s, a, d keys to control movement ; mobile mouse aiming point and click shooting ; numeric keys or mouse scroll switch weapons, but also can directly point game figures button ; no. 1 weapon state under the space bar to the release of landmines, which can be recycled
鍵盤上下左右鍵或w s a d鍵控制移動移動鼠標瞄準，點擊鼠標左鍵射擊數字鍵或鼠標滾輪切換武器，也可以直接點游戲中數字按鈕在1號武器狀態下按空格鍵釋放地雷，地雷可以回收。Applying amorphous ni - cu - p composite electroless plating as anticorrosion plating, the heat transfer performance of the fin - tube condensing heat exchanger processed by the plating - expanding - plating technology and the expanding - plating technology is experimentally studied
摘要以非晶態鎳銅磷復合化學鍍層作為防腐鍍層，對採用先鍍后脹再鍍和先脹后鍍2種加工二藝的肋片管式冷凝換熱器進行了換熱性能實驗研究。At the basis of designing underwater geomorphological measurement system concrete plan, this dissertation makes study and analysis on its measuring depth of water sonar system and dynamic global position system. this dissertation simply and thoroughly introduces the state of underwater acoustic transducer and array. it covers the basic situation, the study benefits, the classification and role, analyses the performance index, designs the performance parameter relating to themselves performance synthesis and sonar equation
論文在制定水下地貌測量系統技術方案的基礎上，論述了該系統中的水深測量聲納系統和動態定位系統（ dgps ） ，分析了水聲換能器及基陣的性能指標，確定了換能器及基陣的主要性能參數。A fem software as an important tool, work has been done as follows : the method using fem to design anomalous structure of transducers was adopted ; the vibration modes of the elastic pipe, ultrasonic transducers and system has been analyzed in piezoelectric coupled field. resonant frequencies of the transducers have been matched quite well with resonant frequencies of pipe, which can make it easy and accurate to design a transducer. the values of equivalent dynamic capacitors and dynamic inductances of ahead nine orders have been gotten derived by fem method, and fem equivalent circuit of the transducers has been built
以ansys有限元軟體為主要分析工具完成了設計工作;在經典換能器設計理論和前人經驗的基礎上，對不規則形狀的換能器採用了有限元的方法設計;在耦合場中分析了換能器、導管及整體裝置的振動情況，使換能器的諧振頻率與導管的諧振頻率達到了較好的匹配，使設計變得更加容易和準確;利用有限元方法建立了振子的等效電路模型，求出了其前6階模態的等效動態電容電感值，為阻抗匹配和驅動電路的設計提供了依據。The paper has analyzed the performances of heat transfer and flow in the heat exchanger, founded the one - dimension model for heat transfer and flow in the microchannel, fit the hydrogen state and thermodynamic equations in the range of heat exchanger status, analyzed the influence which were raised by inlet flow parameters and structure parameters on the parameters in microchannel at the stable status
本文分析了氫工質在熱交換器內的傳熱流動特性，建立了微通道內傳熱流動的一維模型，擬合了換熱器工況范圍內的氫工質的狀態和熱物性方程，分析了穩態工況下入口流動與結構參數對換熱器內參數分佈的影響。Concentrative parameter model and non - homogeneous model of dynamic distribution parameter are respectively adopted in the compressor and the heat exchangers. a dynamic concentrative parameter model is adopted in the thermostatic expansion valve on the basis of the analysis of the characteristics of enclosure structure, the dynamic mathematics model is established through the simplification of boundary condition
壓縮機採用集中參數模型；換熱器採用動態分佈參數的分相模型；熱力膨脹閥採用集中參數動態模型；通過對冷庫維護結構的特點分析，採用邊界條件簡化處理的方法，建立相應的動態參數數學模型。The thesis analyse the dynamic characteristic of heat - exchange equipment from the regulation channels and interference channels by the way of system simulation, and confirm the law of dynamic response of the second average temperaure when the first flow ( or temperature ) or the second flow change, and finish the design of heat power station ' s energy regulation system hereby it. at last, it simulate heat - exchang equipment and heat power station ' s energy regulation system by using matlab / simulink
本文用系統辨識的方法分別從調節通道、干擾通道對換熱器動態特性進行了分析，確定了當一次側流量（或溫度）或二次側流量變化時，換熱器二次側供回水平均溫度的動態響應規律，並據此建立了換熱器數學模型組成了熱力站能量控制系統。最後用maflab / simulink對換熱器和熱力站能量控制系統進行了動態模擬。分享友人