熱力製冷 的英文怎麼說

中文拼音 [rèlìzhìlěng]
熱力製冷 英文
heat-operated refrigeration
  • 力 : Ⅰ名1 （力量; 能力） power; strength; ability; capacity 2 [物理學] （改變物體運動狀態的作用） forc...
  • 冷 : Ⅰ形容詞1 （溫度低; 感覺溫度低） cold:冷水 coldwater; 你冷不冷? do you feel cold?; are you feeling...
  • 熱力 : [機械工程] heating power
  1. Second, the starting and stopping behaviors under disturbed condition are analyzed and calculated by using the dynamic concentrative parameter model, which gives some advice to better prescribe refrigeration system and set theoretic foundation for carrying out automatic control of refrigeration system. third, the normal running process is analyzed and calculated by means of rational matching theory, which gives some advice on how to better understand the parameter change under steady state and the affection of inlet - parameter on evaporator. fourth, the simulation software with dynamic characteristic is designed, which can be applied to calculate thernio - parameter of cryogen, air humidity and frost thickness under different initial and boundary conditions, and to carry out dynamic simulation under conditions of dryness, wetness and frostiness, at the same time, to achieve detection and simulation at any stage from starting to stopping

    本文的主要內容如下： 1 ）對翅片管蒸發器結構特點進行分析，選取適當的微元控制體，就干、濕和霜工況下對每個微元分別進行傳熱傳質分析，基於經驗關系式確定霜的有關參數，對于霜工況下的霜生長建立模型，經適當假設，運用質量守恆、能量守恆和動量守恆方程建立適合動態模擬的蒸發器數學模型，為系統模擬奠定基礎； 2 ）對蒸發在大擾動下的開、停機過程，運用動態集中參數模型進行分析和計算，為更好地描述製冷系統運行的全過程奠定基礎，同時也為製冷系統實現自動控制提供一定的理論基礎； 3 ）對蒸發器正常運行過程，運用動態分佈參數和參數間定量耦合的觀點來分析和計算，為更好地了解穩態工況下各點參數的變化情況及各入口參數對蒸發器動態特性的影響即蒸發器性能對各參數變化的敏感性； 4 ）編寫翅片管蒸發器動態特性模擬計算程序，可以計算不同邊界條件和初始條件下的製冷劑熱力參數、空氣溫濕度和霜厚度分佈場，實現對翅片管蒸發器在干、濕和霜工況下的動態模擬。
  2. Taught in the following specialities : engineering thermodynamics, compressors, refrigeration & cryogenics, thermodynamics & power. the professional titles are : assistant professor ( 1958 ), associate professor ( 1981 ), professor ( 1986 )

    在西安交通大學工程熱物理專業、壓縮機專業、製冷與低溫工程專業、熱能與動力工程專業任教，職務為：助教（ 1958 ） 、副教授（ 1981 ） 、教授（ 1986 ） 。
  3. The graduates may find employment of technology and management in the fields of the thermal energy & power engineering ( tepe ) and its relevance, such as modern power plant or the refrigeration and cryogenics engineering ( rce ), the graduates may also engaged in the special technique in the fields related to tepe

    學生畢業后能勝任現代火力發電廠，製冷與低溫工程及相關的熱能與動力工程專業的技術與管理工作，並能從事其它能源動力領域的專門技術工作
  4. Numerical calculative simulation could factually reflect the dynamic characteristics of the whole equipment and inner flow and diathermancy of split - stirling crycooler. through the calculation, the velocity, temperature, pressure and other detailed information of airflow in any position inner the crycooler could be gained ; the distribution of each parameter could be confirmed and reasonable explanation for the experiment result could be made

    數值計算模擬能接近真實地反映分置式斯特林製冷機的整機和內部流動、傳熱的動態特性，通過計算可以得到製冷機內部任一位置的氣流流動的速度、溫度、壓力等詳細信息，確定各參數的分佈情況，並可以對實驗結果做出合理的解釋。
  5. Thermodynamic analyses of scroll refrigeration system with economizer

    帶經濟器的渦旋壓縮機製冷循環熱力學分析
  6. Refrigerating systems and heat pumps - safety switching devices for limiting the pressure - requirements and tests

    製冷系統和熱力泵.限壓安全開關裝置.要求和試驗
  7. 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。
  8. On the basis of the manufactured new aluminium heat pipe sets and research work done in the refrigeration lab of chongqing university, a new thermal syphon cooling machine made of aluminium has been designed. this text is to study this kind of thermal syphon to use working fluid methanol, ethanol and acetone

    在重慶大學製冷實驗室已有研究工作及新型的鋁質cpu重力熱管散熱器基礎上，本文著重研究此種重力熱管使用天然工質甲醇、乙醇和丙酮時的工作特性。
  9. Vortex tube utilizes certain pressure gas as working medium producing the effect of separating, which makes the gas separating into cold and hot parts. the cold gas among them can be used refrigeration

    渦流管製冷是利用一定壓力氣體作為工質經過渦流管產生分離效應，使氣流分離成冷熱兩個部分，其中的冷氣流可用來製冷。
  10. Finally, we can not use electric power but the engine of bus or subsidiary engine to drive air compressors of bus air conditions. because the change range of turnaround speed of engine is very wide, that brings difficulties in controlling the rate of flow of cold - producing medium. in the control of bus air - conditions, preventing evaporator from freezing to make the air - conditions work with high efficiency and controlling the temperature of railway carriage are the basic tasks in air - condition control

    與一般的建築空調相比，汽車空調的工作環境惡劣，條件差，控制難度要增加很多，主要體現在以下幾個方面：一是車外熱負荷變化大，難以確定控制參數；二是要求空調負荷大，而且要控制空調使其降溫迅速：三，不便於用電力作為動力源，必須用汽車發動機或輔助發動機來帶動壓縮機，當採用汽車發動機作為動力源時，由於汽車的車速變化大，發動機轉速的變化可從600r min到4000r min ，壓縮機轉速與發動機轉速成正比，其轉速變化高達7倍，給空調系統製冷劑流量控制帶來困難。
  11. Eev should be selected for various refrigeration systems according to the thermal properties of refrigerants ; the discharge coefficient of eev is sensitive to the aperture and impulse quantity of eev ; when the eev structure is made, the discharge coefficient goes up with the lowering of evaporation temperature or goes down with the hoisting of the condensation temperature. it is le

    對于不同工質的冷藏集裝箱製冷系統，電子膨脹閥應該根據具體製冷劑的熱力性質選取；電子膨脹閥流量系數對孔徑和脈沖數比較敏感；在結構固定時，流量系數隨蒸發溫度的降低而升高，隨冷凝溫度的增加而增大，受過冷度變化的影響較小；電子膨脹閥的容量受孔徑影響最大。
  12. The paper begins with the reclaiming and using of the remaining heat during the process of yielding the oil and in the electricity plant to study the application of heat pump ' s technology in the oil field and electricity plant. this paper introduces the development and classification of the heat pump, the elementary principle, evaluable target and the p - h chart of the mechanism compressive heat pump ; it points out the necessity to design the computer program of refrigeration medium ' s thermal character, offers the elementary equation, calculating formula, calculating method and the program frame to calculate the refrigeration medium ' s thermal character

    本文介紹了熱泵的發展、分類，機械壓縮式熱泵的基本原理、評價指標及常用的p - h圖；指出了設計製冷劑的熱力性質計算機程序的必要性，給出計算製冷劑熱力性質的基本方程、計算公式、計算方法及程序框圖，編制了9種常用製冷劑性能參數計算程序，可直接用於熱泵系統cop及per值的計算。
  13. In order to apply in reality, this thesis has also given out the basic procedure of the micro - vortex - tube refrigeration device, and has car ried on heating calculation

    為了在實際中進行應用，本文還給出了微型渦流管製冷器的基本流程，並且進行了熱力計算。
  14. Refrigerating systems and heat pumps - safety and environmental requirements - part 2 : design, construction, testing, marking and documentation

    製冷系統和熱力泵.安全性和環境要求.第2部分:設計結構試驗標記和文件匯編
  15. The purpose of this study was to investigate the performance and thermodynamic mechanism of an engine exhaust - powered adsorption refrigerating unit tube using cacl2 as absorbent and nh3 as refrigerant

    本文提出了一種氯化鈣-氨吸附製冷單元管的設計方法，並對其工作過程中的性能和熱動力學機理進行探索。
  16. Thermostatic refrigerant expansion valves - methods of testing for performance

    熱力製冷劑膨脹閥.性能的檢驗方法
  17. On the basis of the analysis of fundamental principle of thermoelectric refrigeration, the steady state mathematical model of the thermoelectric system was founded. according to the model, the theoretical analysis and calculation are made on various working conditions, and analyzed theoretically the effects on thermoelectric system which caused by hot and cold temperature difference, the device ’ s effective system figure of merit, the properties of the heat changers, which established theoretical basic for the opening up and design of the thermoelectric system and its performance test

    在分析熱電製冷基本原理的基礎上，建立了熱電裝置的穩態系統數學模型，並依據該模型對熱電裝置系統進行了不同的工作狀態下的熱力分析計算，並就熱電裝置的冷熱端溫差、電堆片的優值系數、散熱器的散熱性能與熱電熱泵裝置性能的影響進行了理論分析，為熱電裝置的開發設計和現有熱電裝置的性能測試建立計算理論基礎。
  18. The mathematical and physical dynamic models are given based on the adsorbent theory of porous medium. its running and parameters affecting its performance are numerically studied and the method that control the water content in the absorbent bed is recommended. the improvement on system configuration to recover heat is discussed and the operation scheme is given

    利用多孔介質吸附模型和平衡吸附壓力的概念建立了該系統工作過程的物理數學模型，數值模擬的方法模擬了其工作過程和影響因素，提出了控制吸附床含濕量的方案，驗證了改進流程回收能量的可行性並給出了操作方案，提出並分析了用熱電製冷器回收水蒸氣潛熱節約電能的方法。
  19. This experiment include many contents, in a word, that is summer condition experiment, winter condition experiment > summer - winter transition condition experiment and winter - summer transition condition experiment, furthermore summer condition experiment still include flux changing experiment and winter condition experiment still include thermal balance experiment this article dealt with the data of the test, calculating out energy absorbing ( energy discharging ) of buried pipe in winter condition ( summer condition ), input power of heat pump x heat exchanging of piece buried pipe length x co - efficiency performance ? op ( energy efficiency rate ? er ) and average heat exchanging coefficient ; in additiont this article compares the inlet water temperature and outlet water temperature of underground the first layer and the second layer buried pipe when heat pump was running, the results are that the heat exchanging ability of the second layer buried pipe outgos the first layer buried pipe, and heat exchanging is more stable ; and still analyse earth temperature resuming in the transition season. the results are earth temperature resume fast in the first week when the heat pump runs off

    本文測試內容相當多，概括地說就是四個工況的測試，即夏季製冷工況的測試、冬季供熱工況的測試、夏?冬過渡季測試和冬?夏過渡季測試；另外在夏季工況的測試中還進行了變流量測試，在冬季工況的測試中還進行了熱平衡測試。本文對測試數據進行了處理，計算出了冬（夏）季工況埋管吸（放）熱量、熱泵空調器供熱量（製冷量） 、熱泵空調器輸入功率、埋管單位管長換熱量、供熱性能系數（製冷能效比）和平均傳熱系數等；另外，還比較了熱泵運行時地下一二層埋管進出水溫度變化情形，得出地下二層埋管換熱能力優于地下一層埋管，且換熱很穩定；並分析了過渡季地下一二層埋管溫度恢復情形，得出熱泵系統停機一周內地溫恢復特別快。
  20. With the development of this technology, thermoelectric refrigeration has been regarded and applied in many fields gradually. in recent years, room air conditionings get large popularity

    這一宏觀背景為熱電製冷應用提供了新的發展機遇和動力，應用領域不斷向廣度和深度拓展。
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