直接換熱器 的英文怎麼說

中文拼音 [zhíjiēhuànrèqì]
直接換熱器 英文
direct heat exchanger
  • 直 : Ⅰ形容詞1 （成直線的; 硬挺的） straight; stiff 2 （跟地面垂直的; 從上到下的; 從前到后的） erect; v...
  • 接 : Ⅰ動詞1 （靠近;接觸） come into contact with; come close to 2 （連接; 使連接） connect; join; put ...
  • 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
  • 直接 : direct; immediate
  1. 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。
  2. Series full - auto pipe expander with drawing device and program interface is used with extruding machine. it is also used solitarily, while expanding pipes, the machine adopts translation, the action is steady and corret, it does not damage pipe materical, the machine adoptes double - infrared heating oven type, each oven is equipped with heating cire, the shaping method adopts expanding - end shaping, the size of pipe mouth is correct. on its panel, there is a transfer swith of expanding solvent type pipe socket ( straigh port ) and expanding sealloop type pipe socket ( rport ). the choice of expanding pipe type is very convenient, the technologocal adaptability is strong, its main electric control elements are all imported. the syetem charecteristics are steady and reliable

    配有與主機配套的接料牽引裝置和相應的程序介面，既能與擠管主機聯線使用，又可以作單機使用；擴管時管材的移動均採用平移方式，動作平穩準確而且不易損傷管材；這種機型採用紅外線加熱方式且為雙加熱爐型，每個加熱爐都配有中心加熱爐芯；成型方式均採用擴管頭定型方式，管口成型尺寸準確；該機型在控制面板上設有擴溶劑型承介面（直口）和擴彈性密封圈型承介面（ r口）的轉換開關，擴管方式選擇十分方便，工藝適應性強；主要的電器控制元件均採用進口元件，系統性能穩定可靠。
  3. 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。
  4. Avoiding the difficulties of detecting the difficult parameters in furnace control and of building up the models, integrated with fuzzy control and conventional pid control, abb ’ s control it system is used to predict the bloom surface and center temperature directly based on the temperature of furnace wall easily to be detected so that the temperature settings in various furnace sections can be self - corrected, the furnace temperature of each section self - adjusted and on - line parameters of combustion control self - optimized. in addition, the heating parameters and the operating status of the field plant can be monitored with alarm

    採用abb公司的controlit控制系統，避開爐子控制中遇到的困難參數檢測及建模困難等因素，直接根據容易檢測的爐壁溫度來推知鋼坯表面溫度及鋼坯中心溫度，將模糊控制技術與常規pid控制相結合，實現各段溫爐設定值自修正、各段爐溫自協調、各參數在線自整定的自尋優最佳燃燒控制;對熱工參數、現場設備的運行情況進行監視、報警，實現爐膛壓力、管道壓力、換熱器的保護控制，並將重要參數送往廠級mis網路。
  5. Research and development of the directly heating type air heat equipment and new type heat exchanger

    直接加熱式熱風爐和新型換熱器的研究與開發
  6. In an indirect system, the collector loop is separated from the high - pressure city water supply by a heat exchanger

    在非直接系統中，收集器的循環與由熱交換器提供的高壓城市水分隔開。
  7. The signal sampling circuit fulfill the tasks of sampling signal and changing the double polarities signal to the single polarity signal ; the drive circuit receives the pwm signals from dsp and pass the signals to ipm through optical - couple devices ; the protective circuit safeguard the system against high current, high voltage, low voltage and high temperature on the ipm model

    其中信號處理電路主要完成採集輸出電流和中間直流環節電壓信號，並對採集到的電流信號進行極性變換處理的功能；驅動電路接收dsp輸出的高頻驅動信號，通過耦合器件直接驅動ipm模塊；保護電路利用採集到電氣信號對整個系統實施保護，包括過電流、過電壓、欠電壓、 ipm模塊過熱等。
  8. Heat exchangers - water to water heat exchangers for district heating - test procedures for establishing the performance data ; german version en 1148 : 1998

    熱交換器.直接加熱式水水熱交換器.確定功率數據的測
  9. In the project hong kong international wetland park phase ii, we take the initiative to install the first geothermal heat pump air - conditioning system and utilize the wetland around as a source of heat and a heat sink. through 468 pairs of vertical geothermal pipe heat exchanger buried in the wetland, heated water from water - cooled refrigeration plants and cool water from water source heat pump are circulated in a common condenser water loop to exchange their energy directly

    在香港國際濕地公園第二期工程項目，我們率先採用了香港首個地源熱泵空調系統，利用公園的濕地作為一個熱源及熱能儲存器，透過468對埋放在濕地的直立式水管熱交換器，將水冷式空調系統的受熱冷凝水與地泵的凍水直接交換熱能。
  10. The experiment acquired pressure distribution and circulating rate under three fluidizing velocity ( 3. 5m / s 、 4. 5m / s 、 5. 5m / s ) and different media load. an experimental equation was acquired between circulating rate and the distribution of the pressure. and the relation between the circulating rate and the opening rate of the valve connecting the returner and the ehe was carefully discussed as well as the relation between the pressure of the ehe and the flow rate of the fluidizing air

    得到三種流化風速下（ 3 . 5m / s 、 4 . 5m / s 、 5 . 5m / s ）不同裝料量所對應的主床床體壓力分佈和物料循環量，得到循環量與壓力的分佈和流化風速的本實驗臺上的經驗公式，並通過測量返料器通向外置換熱器機械閥開度和返料量的關系，得到旋風分離器中下落物料進入換熱器和直接進入主床的比例關系，同時測得換熱器中壓力和送風量的關系。
  11. The way in which the mains pressure solar collector heats water is the same as the non pressure solar collector. rather than using the water in the tank directly, as the non pressure does, the type uses a 4560 copper coil

    這種熱水器樣式和非承壓式是一致的，但是它不直接用水箱里的水，它通過採用45 60圈的銅盤管換熱器。
  12. The immersion electrical heater is chiefly applied in the direct contact mode of fluid heating. it features fast heat exchange and high thermal efficiency. it has the varieties of water heater, oil heater and gas heater. its heating element power density, i. e. the power per unit of heating area of the heating element, is an important parameter of the electrical heating element, which has a direct bearing on the performance and working life. the working out of the value is a highly specialized problem, being under the influence of many factors ( media flow rate, tempt, physical and chemical properties and direction in which the medium flows past the element etc )

    浸入式電加熱器主要用於直接對流體接觸加熱的場合，具有熱交換快，熱效率高等特點，分為水用加熱器、油用加熱器、氣體用加熱器，加熱元件的功率密度：即電加熱元件單位發熱面積上的功率，它是電加熱元件極重要的參數，直接影響加熱器的使用性能及使用壽命，它的取值是一個非常專業的問題，受到許多因素的影響（如介質的流速、溫度、物理和化學性質及介質流過加熱元件的方向等等） 。
  13. This paper discussed the total process of fabrication for big diameter vertical heat exchanger, including mostly tubesheet machining, technics request of tubesheet piecing - up, and weld request of tubesheet - to - shell ; measure of machining for square manhole and measure of square manhole - to - shell weld for preventing distortion ; taking special machining technics arid check up method for request of plane degree and check up method upon tubesheet

    摘要介紹了大直徑立式換熱器的製造過程，主要包括管板拼接、加工的工藝要求以及管板與筒體焊接要求；同時對方形人孔的製作及其與筒體的焊接防變形等採取了一定的措施，對管板上端面平面度的要求採取了特殊的加工工藝及檢驗方法。
  14. To reach this target, the work should employ not only the information technique, but also the thermodynamics theory. same thing applies to condenser and evaporator which affect directly the behavior of the refrigerant system as the main heat exchange equipments in the refrigerant system

    為了實現這一目標，需要利用現代模擬技術和系統熱動力學，從系統的變工況性能出發，分析系統的過渡特性。對于汽車空調的主要換熱設備：冷凝器和蒸發器，這一問題尤為緊迫和突出，因為他們的工作狀態直接影響著整個製冷系統的各項性能。
  15. With the rapid development of high buildings in present society, high air - sealed and heat - isolated have directly affected the working and living environment of human being, people wish their environment to be higher and higher in quality and they pay more and more heavy attention to the importance of their environment day by day ; the all heat exchanger produced in our company is the solution to the air quality of the working and living environment people concern

    隨著當今社會高層建築的迅猛發展，高氣密化、隔熱化直接影響到人們的工作、生活環境，所以人們對居住環境的高質量要求越來越高，並日益對其的重要性表現出極大的關注；我公司生產的全熱交換器將解決人們關注的工作、生活環境中的空氣質量。
  16. Second, " step by step method ' : first solve part of the case, the results of the first part is been written as user difined founctions, then read these fouctions into the remain part of the case, solve the case. the last way is " porous media method " : treat highly complex region with porous media, mesh the whole space enclosure and solve the case using fluent

    本文中採取了三種不同的方法對西安四聯智能股份有限公司的會議室模型進行數值計算預測流場：一是直接劃分網格進行計算；二、抽取局部進行計算，這是面對復雜問題比較常用的一種方法；三、採用類似換熱器模型的思路，利用多孔介質模型簡化復雜流場，再劃分網格進行計算。
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