熱壓蒸發 的英文怎麼說
中文拼音 [rèyāzhēngfā]
熱壓蒸發
英文
thermal compression evaporation-
This paper researches diathermancy and fluidity of condenser, evaporator, compressor, and capillary in detail. maths models of condenser, evaporator, compressor, and capillary are established and model predigesting and modifying methods are done methods are given in this paper, which can transfer the practical system into the simulating system. in the basis of refrigerating system character, components models are modified in the system administrative levels
本文詳細研究了蒸發器、冷凝器、壓縮機和毛細管的傳熱特性和流動特性,建立和發展了蒸發器、冷凝器、壓縮機和毛細管數學模型,並進行了相應的模型簡化和修正方法研究,建立了從實際系統到模擬系統的轉換方法;本文針對各製冷系統的特點,在系統層次上進行了部件模型的修正研究,建立了相應的修正模型和演算法。Suction gas pressure goes up as the compressor run at the lower speed in the lower burthen, and this is beneficial to lower systems energy - consume. when the system is controlled by wvf, the discharge change of the evaporator is not linear ; the electronic expansion valve is adopted to regulate the system superheat degree, and the controlled object is parameter time varying, accordingly, the time varying controller should be adopted
在負荷較小時,壓縮機採用低速運轉,吸氣壓力升高,這對系統降低能耗是有利的;變頻控制時,蒸發器製冷劑流量的變化並非線性;系統中採用電子膨脹閥進行過熱度控制,被控對象具有參數時變的特性,相應地宜採用變結構的控制器。The results indicate that the qualitative behavior in this process is similar to that observed in condensation of vapor at or above atmosphere pressure, the coefficient of heat transfer for condensation in tube, the coefficient of heat transfer in total increase with the increasing of heat flux density and vapor pressure. however, heat flux density and vapor pressure have a more significant effect on them
發現水平管內低壓蒸汽冷凝過程與常壓條件下蒸汽冷凝過程相同,管內冷凝傳熱膜系數、總傳熱系數隨熱流密度、蒸汽壓力的增大而增大,但熱流密度、蒸汽壓力對低壓蒸汽冷凝有著更為顯著的影響,管外冷卻水流量對其影響並不明顯。The analysis indicates that in the absorbing refrigeration cycle using tfe - tegdme working fluid under the same evaporating temperature and condensation temperature, the performance of the simplicity cascade cycle is the best while the heat burden of the generator is the maximum, the performance of the mid - pressure double - effect cascade cycle is the worst while the heat burden of the generator is higher than the basic gax cycle
分析結果表明,採用以tfe - tegdme為工質吸收式製冷循環,在同樣的蒸發溫度和冷凝溫度下,單純復疊循環性能最為優越,但發生器的熱負荷也最大;中壓雙效循環性能最差,而且發生器的熱負荷要比基本gax循環大,運行的經濟性差。The components of this system are a cross - flow finned - tube evaporator, cross - flow finned - tube gascooler, a reciprocation compressor, a gas - liquid seperator, a double pipe internal heat exchanger and a throttling valve
系統由一個叉流翅片管式蒸發器、一個叉流翅片管式冷卻器、一臺往復式壓縮機、一個氣液分離器、一個套管式回熱器、一個節流閥組成。Analysis is made on structure characteristics of the finned - tube, and analysis has been made on the special heat and mass transfer principle of every micro - unit under both dry and wet conditions. appropriate hypothesis is made and based on the energy, mass and momentum equivalent, the evaporator models of dynamic distributed parameters are set up. in addition, the gascooler and internal exchanger models of dynamic and distributed parameters, the throttling valve models and the compressor models are set up, too
本文的內容如下: 1對翅片管蒸發器的結構特點進行分析,選取適當的微元體,對于干、濕工況下每個微元分別進行傳熱傳質分析,通過適當的假設,利用質量守恆方程、能量守恆方程和動量守恆方程建立了蒸發器的分佈參數數學模型;對回熱器劃分微元建立了分佈參數數學模型;對氣體冷卻器建立了分佈參數數學模型;對壓縮機建立了數學模型;建立了節流閥的數學模型,為系統模擬奠定了基礎。Tests the operation status of an air - cooled heat pump air conditioner under defrosting conditions, and records the evaporation temperature and exhaust fan current at different voltages
摘要實驗測定了一臺空氣源熱泵空調機組除霜工況下的運行狀況,記錄了蒸發溫度和不同電壓下的排風機電流。In the light of the fact that elastic creep damage happens to heat resistant steel used as pressure elements like steam pipeline and steam pockets in heat - engine plants at high temperature and under high pressure, this article gives a complete constitutive description of the damage, building up the theory of phenomenology about creep damage
摘要針對火電廠中蒸汽管道與汽包類承壓部件用的耐熱鋼,在承受高溫高壓時發生彈性蠕變損傷問題,給出完整的損傷本構描述,建立起唯象學蠕變損傷理論。The key items influent on the characteristics of spraying have been also studied in the dissertation, we can get a good spraying result by adjusting the related parameters efficiently. ( 3 ) the theoretical model of the dynamical parameters such as temperature, moisture, pressure and contour for hot medium and particle inside the drying chamber were obtained by model, utilized the computational fluid dynamics technique to solve the problem between spraying droplets medium by arranging the double grid dispersing structure and rotary outlet structure and the developed structure improved the drying efficiency and product quality
( 3 )採用-模型實現了壓力噴霧乾燥塔的溫度場、濕度場、流場的理論建模,利用計算流體力學( cfd )技術來解決噴霧乾燥過程中熱介質與霧滴間的傳熱傳質以及動量傳遞和湍流擾動等問題,避免了乾燥過程中的設計不合理狀況;通過增加雙格柵均風裝置和旋轉出風裝置,改善了乾燥塔內的熱質傳遞,提高了乾燥塔的體積蒸發強度。The air thermal cnergy water heater creates the new generation hot water cquipments. it makes use of the negative card promise successfully, drieing a hot pump with the elcctrie power. equiping through a hot pump medium of compesing parts evaporate a machine. hot pump, congealed machine and inflate valve, urge the work quality completes evaporationt absorb calories within air continuously compress compress congealed reduce expenses evaporate of the thermody name energy cirenlation proess, transfer the calories in the environment to the water thus in, transfer the in great quantities free calories in the air to the life to use a water in
空氣節能熱水器是創新一代熱水設備,它成功地運用逆卡諾原理,用電能驅動熱泵,通過熱泵裝置中的構成部件-蒸發器,熱泵,冷凝器和膨脹閥,促使工質不斷完成蒸發(吸收空氣中的熱量)壓縮冷凝節流蒸發的熱力循環過程,從而環境的熱量轉移到水中,將空氣中大量免費的熱量轉移到生活中水中Design of heat pumps used in film evaporation equipment
降膜式蒸發設備中熱壓泵的設計Temperature kits : contact must be properly fixed in the evaporator export pipelines, real - time communication evaporator components to temperature degrees, the material will be filled through interlinked capillary pressure due to the expansion of corrugated boxes ; swelling corrugated boxes on the pressure for change in the thrust pole with an adjustment screw and spring - loaded ball - type valves to adjust the resistance of the degrees of refrigeration volume precision adjustments
感溫包:是必須妥善接觸固定在蒸發器的出口管道上,感知蒸發器實時回氣溫度的部件,它將充填物質的熱脹冷縮壓力通過相通的毛細管提供給膨脹波紋箱;膨脹波紋箱依據壓力的變化推動推力桿結合過熱度調整螺絲和彈簧的阻力來調整球型閥的開度,實現製冷量的精確調整。Automotive air conditioner accessories : automotive air conditioner cooler, evaporator, heat sink, air conditioner, temperature adjuster, heater, central cooler, air desiccators, cooling fan controller, internal heat exchanger, compressor, motor, air warmer, warm air device, electronic fan for cooling condenser, liquid can, thermal expansion valve, air condition pipeline, switch, clutch, connector, height valve, shunt valve and all kinds of automotive air conditioner production materials ( body aluminum, copper materials, etc ), production equipment, measurement equipment, etc
車用空調配件:各種車用空調冷凝器、蒸發器、散熱器、空調器、調溫器、加熱器、中冷器、空氣乾燥器、冷卻風扇控制器、內部熱交換器、壓縮機、電動機、暖風機、暖風裝置、各種冷凝器電子扇、貯液灌、熱力膨脹閥;各種車用空調管路、開關、離合器、接頭、高低閥、換向閥及各種車用空調生產材料(車用鋁材、銅材等) 、生產設備、檢測設備等。Thermodynamic analysis on wet compression process is done in this thesis and studies are done on ideal wet compression process, actual wet compression process, water droplet evaporative rate, wet compression work, inlet evaporative cooling, wet compression efficiencies and water droplet breaking. and thermodynamic model of wet compression process is established, which gives out rules of and methods to calculate wet compression parameters
本文從熱力學的角度對濕壓縮過程進行了分析,分別對理想濕壓縮過程、實際濕壓縮過程、水滴的蒸發速率、濕壓縮功、進氣蒸發冷卻、濕壓縮效率和水滴的破碎等進行了研究,建立了濕壓縮過程的熱力學模型,給出了濕壓縮過程狀態參數的變化規律和計算方法。To the steam generator a heat exchanger, which converts the feed water in the secondary circuit to high - pressure steam at about 67 bar or 6 700 kpa and deliver it to the " conventional island " via steam pipe for driving the turbine and generator
內的高壓水帶到蒸汽發生器即熱交換器,蒸汽發生器會將二迴路給水轉化為約67巴或6 700千帕的高壓蒸汽,再經過蒸氣管送到常規島,以推動渦輪發電機。To the steam generator ( a heat exchanger ), which converts the feed water in the secondary circuit to high - pressure steam at about 67 bar ( or 6 700 kpa ) and deliver it to the " conventional island " via steam pipe for driving the turbine and generator
內的高壓水帶到蒸汽發生器(即熱交換器) ,蒸汽發生器會將二迴路給水轉化為約67巴(或6700千帕)的高壓蒸汽,再經過蒸氣管送到常規島,以推動渦輪發電機。The small sized sterilizer could adopt the electric steam generator, the water is heated by ele - ctric heating parts to steam
該系列滅菌器可選配電熱蒸汽發生器,靠電熱管將水加熱產生高壓蒸汽用於消毒滅菌。The company has three cfbc boilers. its heat capacity per year is 400 million kwh and its electricity productivity per year is 6. 8 million joule
現有員工1100人,佔地670畝,總裝機量58mw ,配裝三臺高溫高壓鍋爐,總蒸發量460t h ,年發電能力4億kwh ,年供熱能力680萬吉焦。In this complicated process, the air is cooled by the sensible and latent heat of water ; at the same time, the water is vaporized, and the water vapor is also compressed
但該過程是復雜過程,既有水的潛熱、顯熱對連續被壓縮空氣的冷卻,還有水的不斷蒸發以及水蒸氣的壓縮過程。The experiment took water as the medium and experiments on two jet modes were carried out under the falling film vacuum evaporating. the experimental results indicated that the two ejectors in series compensation method could adjust the variational work situation due to the decrease of primary steam or secondary steam and insure the normal production. at the same time, the ejector ' s best work situation founded in the experiment would provide reference for ejector ' s design and usage
本實驗建立了一套降膜真空蒸發裝置,以水為介質,對變工況下單級和串聯噴射熱泵蒸發進行了實驗,結果表明兩級串聯補償噴射裝置能對由引射蒸汽和工組蒸汽壓力降低所造成的混合蒸汽壓力降低進行調節,達到了變工況下正常生產的目的。分享友人