熱變換器 的英文怎麼說

中文拼音 [rèbiànhuànqì]
熱變換器 英文
thermal converter
  • 換 : 動詞1. （給人東西同時從他那裡取得別的東西） exchange; barter; trade 2. （變換; 更換） change 3. （兌換） exchange; cash
  • 器 : 名詞1. （器具） implement; utensil; ware 2. （器官） organ 3. （度量; 才能） capacity; talent 4. （姓氏） a surname
  1. Main operating companies : one, quality brands imported power plant auxiliary equipment : including valves, pumps and transducer and thermocouple and actuators, measuring gauges, pressure switches, solenoid valve and ion exchange resins and other rights and the importation of water treatment packages instruments : online various instruments, laboratory instruments 3, chemical water treatment, electro - deionization ( edi ) 4. complete sets of equipment, installation, commissioning and maintenance

    公司主要經營： 1 、代理進口優質品牌電站輔機設備：含閥門、泵類、變送器、熱電偶、執行器、計量儀表、壓力開關、電磁閥、離子交換樹脂等； 2 、代理進口水處理成套儀器儀表：各類在線儀表、實驗室儀表； 3 、化水處理、電除鹽（ edi ） 4 、設備成套安裝、調試、檢修。
  2. The calculation method using in factory has larger error and is n ' t used in high ignition point oil transformer. in this paper a calculation method, which has been verified by experiment results, is presented based on the fundamental theories and rule equation of heat transfer to calculate the temperature rise of average oil, top oil, coil, core and hot - point. a program has been compiled

    本課題立足於工程實際應用，根據傳熱學基本原理和經典試驗換熱準則式，通過對變壓器發熱冷卻原理進行分析和研究，提出了一套計算變壓器平均油溫升、頂油溫升、繞組溫升、鐵芯溫升和最熱點溫升的計算方法並編制了計算軟體，對影響變壓器溫升的因素進行了分析。
  3. Hmes. 250ml anaesthetic and respiratory equipment - heat and moisture exchangers for humidifying respired gases in humans - hmes for use with tracheostomized patients having minimum tidal volumes of 250 ml

    麻醉和呼吸設備.使人體呼吸的氣體變濕潤用的熱和潮氣交換器
  4. Cesium thermionic converter

    銫熱離子變換器
  5. As ammonia built up in the water gas purification system reacts with a part of condensate on the inner wall of the heat exchanger tube passes, and the salt solution formed cools down and crystallizes in the tube passes, the resistance in the shift conversion section increases exceedingly

    摘要由於水煤氣凈化系統積累的氨與部分冷凝水在換熱器管程內壁反應形成的鹽溶液在管程內冷卻結晶，造成變換工序阻力異常增大。
  6. Secondly, in phase unwrapping to overcome the spread of wrong point, changing the patch of unwrapping phase is done to improve the correctness of it. then, the relation between the unwrapping phase and the height of reconstructed object is discussed detailedly. the data processing, algorithm analysis and reconstructing object are done for the collecting fringe image which are all based on matlab language, in all these achievements, the improvement and innovation aspect are following : a ) in order to stabilize the interference fringe, a new equivalent shifting object method is presented by using fringe stabilizing device to stabilize the interference fringe though moving object and ccd camera which fixed on a precise moving platform together, the experimental result shows the fringe drift is less than a / 20 in five minutes, and the equivalent phase shifting precision is x / 100

    論文在全面闡述了光學三維輪廓位相測量術的發展、應用現狀、研究熱點及未來發展趨勢的基礎上，簡要介紹了傅立葉變換和相移位相輪廓測量術的基本原理，對兩種測量方法存在的問題及誤差進行詳細分析和比較；針對位相解包裹錯誤點的傳播問題，作者通過改變解包裹路徑來提高位相解包裹的正確性；分析討論從解包裹位相（ x ， y ）到再現物體的高度h （ x ， y ）物理量之間的關系，研究相應的演算法，利用matlab平臺，對實際採集的條紋圖像進行處理和輪廓重構，其中改進及創新工作主要表現在以下兩個方面： （ a ）針對干涉型結構光場干涉條紋出現的漂移抖動對相移的影響，提出了一種用條紋穩定器穩定干涉條紋，用精密移動平臺使物體和ccd攝像頭同步移動實現等效相移的方法，建立了相應的測量系統，系統的條紋穩定可以達到。
  7. Firstly. operation principle of induction heating is introduced and the actuality of the power supply for induction heating is summarized. then, the scheme of structure of the power supply is established : uncontrolled rectifier and buck chopper constitute dc circuit. in this part, operation principle of a kind of soft switching buck chopper is presented mainly and the conclusion that the power semiconductor devices operate in soft switching is also illustrated by analysing the operation principle of all stages ; series resonant inverter is selected as inverter circuit via comparing the advantage and shortcoming of parallel resonant and series resonant. moreover. the work principle of series resonant inverter is analysed and the calculating method of the best dead time is put forward as well

    文中首先介紹了感應加熱電源的工作原理並綜述了國內外的研究現狀。接下來分析並制定了電源主電路的構成方案：在對比幾種功率調節方式的基礎上選擇了不控整流加斬波調壓作為直流部分。在這部分里，重點研究了一種軟開關buck變換器，通過分析各階段的工作原理說明了開關器件如何工作在軟開關狀態；對于逆變器部分，在比較了串、並聯逆變器優缺點的基礎上選擇了串聯諧振逆變器，並詳細分析了串聯逆變器的工作原理，提出了最佳死區的計算方法。
  8. The thesis discussed a parameter extraction program for the mosfet level1 model. in the analysis and design of circuit, at first, the thesis described the system function of the new dc - dc switching converter. then several sub - circuits of converter ic such as oscillator, over - temperature shutdown circuit, auto - restart counter circuit and control circuit were completely discussed

    在電路設計中，本文首先分析了開關電源電路的基本拓撲結構和psm調制模式，接著對開關電源變換器進行了系統的原理分析並設計了總體框圖，然後詳細設計了振蕩器電路，熱保護電路，自動重啟計數器電路和主控門邏輯等子電路並進行了功能模擬。
  9. 3 ). the flow velocity and temperature change rapidly in hot plenum under the transient condition such as in the case of reactor scram condition. thermal stratification phenomena will be observed nearby the inlet of intermediate heat exchanger

    在事故停堆后的瞬態分析中，熱鈉池的流場和溫場變化劇烈，並在中間熱交換器的入口附近形成穩定的熱分層。
  10. The first successful industrial application of absorption heat transformer ( aht ) has been put into practice in yanshan petrochemical corporation in china. on the background of this engineering, the thesis sets up the methods of absorber ' s enhanced heat and mass transfer, process simulation and finite time thermodynamics analysis. the main research work is followed as : 1

    本論文以北京燕山石化公司上的國內第一套吸收式熱變換器（ aht ）系統為工程背景和研究對象，建立了包括吸收器強化傳熱傳質、過程模擬和有限時間熱力學在內的分析手段，並在此基礎上開發出了模擬優化軟體ass ，最後利用工廠的實測數據對軟體的計算結果進行了測試和對比，具體工作： 1
  11. Because the switches suffer only the half of the input voltage, the three - level ( tl ) converters have been attracting more and more attentions. this thesis proposes a family of zero - voltage - switching multi - resonant three - level dc / dc converters

    三電平變換器可以降低開關管的電壓應力，並且可以減小輸出濾波器（或儲能元件）的大小，近年來逐步成為電力電子技術的一個研究熱點。
  12. Analyses experimental results with classical heat and mass transfer theory, and indicates that when these parameters change, the latent heat efficiency changes much more than the sensible heat efficiency

    利用經典傳熱、傳質理論對實驗結果進行了分析，指出當上述因素發生變化時，全熱交換器潛熱交換效率受到的影響大於顯熱交換效率。
  13. 1streamline - designed of patented structure 2ideal for fresh water, marine water and other liquid with anti - corrosion pure titanium pipe evaporator

    2桶內熱變換器專用純鈦製作，抗腐蝕性強，適用於淡海水及其他液體。
  14. The system is described mathematically on the basis of mass balance, energy balance, and phase equilibrium. the model of process simulation of the aht system is set up. the solution system of mathematical model of absorption cycles was put forward

    對吸收式熱變換器（ aht ）的基本原理和行為特徵在系統層次上進行了分析，進而根據質量平衡、能量平衡和相平衡方程對系統進行數學表述，建立了系統的過程模擬模型，並提出了aht吸收循環數學模型的求解機制。
  15. These years more and more emphasize have been focused soft - switching control in phase - shifted zvs pwm full - bridge dc / dc converter and more research need to be made. the principles of phase - shifted zvs pwm full - bridge converter are described and analyzed

    基於移相控制的零電壓脈寬調制dc - dc全橋變換器是軟開關控制的一個研究熱點，還有許多理論問題需要研究。
  16. Firstly, based on the utilization of the first and second law of thermodynamics, the ideal combined camot cycle model is set up. secondly, aimed at the insufficient of the classical thermodynamics analysis method, the popular method - - finite time thermodynamics analysis is applied to set up the model of endo - reversible combined carnot cycle. finally, the optimization relationships between the specific heating load ( shl ) and operating parameters and between shl and cop are conducted according to the characteristics of the function and investment of aht

    在首先利用熱力學第一、二定律分析方法的基礎上，建立了吸收式熱變換器的理想聯合卡諾循環模型，然後針對經典熱力學分析方法的不足，利用了當前很流行的有限時間熱力學分析手段，建立了aht系統內可逆聯合卡諾模型，根據熱變換器的功能、投資等方面的特點，導出了吸收式熱變換器比供熱率與操作參數、比供熱率與熱力學性能系數的優化體系。
  17. And when cop reaches 0. 3, temperature life is as low as 30 or 40. from the view of thermodynamics, conclusions can be drawn that the high - low cycle is good to be used to recover waste heat, the parallel cycle is not relatively, and the low - high cycle is not at all

    由此可以得出結論，在回收廢熱方面，從熱力學角度來看，高低型二級熱變換器具有很好的應用價值，並聯型相對一般，而低高型根本不具有實際應用價值。
  18. 1. nizn ferrite was developed for using in mini high frequency dc - dc converters and inductors. we measured and analysed the parameters of the nizn ferrite, which we concern about when designing the dc - dc converter. 2. the low loss sample of nizn ferrite were chosen for design - optimization of the high frequency transformer. based on the relevant theoretical researches, the loss properties of the magnetic core material and winding were analyzed in this thesis

    因此，以nizn功率鐵氧體材料為開關電源芯材為基礎，並優化各種開關電源的設計已成為國際上的熱點和技術瓶頸，本論文正是以上述背景為研究目標而開展工作的，主要進行的工作和創新有: 1 .對研製的新型高頻低功耗的功率nizn材料進行參數的測試，並針對dc - dc變換器設計關心的參數對芯材特性進行了分析，選擇在特定頻率下，功耗較小的nizn材料磁芯樣品作為變壓器優化設計的預備磁芯。
  19. The other way is to use a single - stage power processor to correct power factor and regulate voltage simultaneously. however, the technology has only been applied in low power of single - phase ac input and has no use in high power of three - phase. so, the three - phase high power supply as the main emi equipment is becoming one of the hot points in international research

    目前，這僅在輸入電源為單相的變換器中實現，而且不是軟開關，仍存在emi ；對于污染問題更嚴重的輸入電源為三相三線的較大功率的變換器，則未見報道，同時，三相大功率的電磁污染治理問題也成為國際研究的熱點之一。
  20. The basic design index was : maximum output power 9w, no load consumption < 50 mw, switching frequency 132khz, maximum duty cycle 65 %, thermal shutdown temperature 135. simulation is very important to analog ic design

    該變換器電路的主要設計指標為:最大輸出功率9w ，空載時晶元的功耗低於50mw ，開關頻率為132khz ，最大占空比為65 % ，熱保護溫度135 。
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