熱力製冷系統 的英文怎麼說

中文拼音 [rèlìzhìlěngxìtǒng]
熱力製冷系統 英文
heat-operated refrigerating system
  • 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...
  • 系 : 系動詞（打結; 扣） tie; fasten; do up; button up
  • 統 : Ⅰ名詞1 （事物間連續的關系） interconnected system 2 （衣服等的筒狀部分） any tube shaped part of ...
  • 熱力 : [機械工程] heating power
  • 系統 : 1. （按一定關系組成的同類事物） system 2. （有條理的;有系統的） systematic
  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. 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
  3. 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。
  4. 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
  5. Calculation program of thermodynamic properties of refrigerants in the simulation of refrigeration system

    製冷系統模擬中的工質熱力性質計算程序
  6. A general program was compiled to calculate the thermophysics property of ammonia - water solution on the base of research of others. the result is tallied with the data which literature has given. so the program can be used to design ammonia - water absorption refrigeration system

    在前人對氨水工質對熱力學性質研究的基礎上編制了計算氨水溶液熱力性質的通用程序，其計算結果與文獻中的數據符合較好，可以用於設計氨水吸收式製冷系統中氨水溶液熱力性質的計算。
  7. According to the thermodynamics theory of vapor compression refrigeration cycle, hfc - r134a is chosen as refrigerant fluid and the thermodynamics calculation of refrigeration system is accomplished, which is based on the table of r134a thermodynamics characteristics and estimate of portable refrigerator ' s calorific burthen

    本文根據蒸汽壓縮式製冷循環的熱力學原理，從小冷量、小體積的便攜式冷藏箱的熱負荷計算出發，以所選用製冷劑（ r134a ）的熱力性質表為依據，進行了製冷系統的基本熱力計算。
  8. Refrigerating systems and heat pumps - competence of personnel

    製冷系統和熱力泵.人員工作能力
  9. Air conditioners ; tests for heating operation of the refrigerating system heat pump

    空調器.第4部分:製冷系統熱力泵的熱起動試驗
  10. Refrigerating systems and heat pumps - system flow diagrams and piping and instrument diagrams - layout and symbols

    製冷系統和熱力泵.系統流量圖，管道和設備圖.布局和符號
  11. Based on the calculated result, according to the principle of mass conservation, energy conservation and the phase equilibrium, a thermodynamics model of the system was set up

    並在設計計算的無泵溴化鋰吸收式空調器的基礎上，根據製冷系統內部的能量平衡，質量平衡，以及相平衡，建立了無泵溴化鋰吸收式空調器的熱力學系統模型。
  12. Refrigerating systems and heat pumps - flexible pipe elements, vibration isolators and expansion joints - requirements, design and installation

    製冷系統和熱力泵.柔性管元件.振動隔絕器和膨脹節.要求，設計和安裝
  13. In this article, a research on how the change of latitude and direction of a solar powered long endurance aircraft effect the received solar power was developed. and on the basis of the car air conditioning, the thermal properties of the single - effect lithium bromide absorption hot - coldwater unit and two - stage lithium bromide absorption hot - coldwater unit applied in car and driven by high temperature cooling fluid of the car engine are advanced and compared. the technique of energetic optimization is employed to investigate the optimal performance of an irreversible hybrid air - conditioning system consisting of a vapor compression refrigerator cascaded with a solar - driver absorption refrigerator

    本文對太陽能飛機的飛行緯度和飛行方向對能夠獲得的太陽能輻射量的影響進行了研究，以及對應用於汽車空調的兩種溴化鋰製冷機組，即單效溴化鋰製冷機組和兩級溴化鋰製冷機組進行了熱力分析和研究，同時，結合太陽能集熱器作為整個製冷系統的熱源，對系統的最優綜合性能進行了分析和研究。
  14. It specifies the process of the design, simulation and experiment of liquid cooling system. main contents of the thesis are as follows : description of the present usage of liquid cooling system, presentation of a new type of liquid cooling system and description of its work principles ; design of the liquid cooling system, which mainly deals with the design and collating calculating of serpentine condenser and heat exchangers adopted in this system. meanwhile, the model chosen calculating of compressor 、 thermal expansion valve 、 plate evaporator 、 water pump and the like equipment used in the system are also carried out

    本文的主要內容如下:對液冷源使用現狀進行了描述，提出了一種新型液冷源系統並對其工作原理進行了闡述;對系統進行了設計，主要對系統中所採用的管帶式冷凝器和水側空/液換熱器進行了設計和校核計算，同時對系統中所用到的壓縮機、熱力膨脹閥、板式蒸發器、水泵等配套設備進行了選型計算;分別對製冷系統和冷卻液循環系統進行了數學建模。
  15. Thermodynamic analysis of valve - controled metal hydride refrigeration system

    閥門控制的金屬氫化物製冷系統的熱力學分析
  16. The paper reviewed the state of study on air - conditioning and refrigeration system simulation at home and abroad, presented simulation models of air - conditioning and refrigeration systems, made relevant simulation programs, used experimental results to verify the simulation models, and presented a method of air - conditioning system irreversibility analysis based on the simulation, finally, presented pending further studied problems

    本文首先回顧了空調製冷系統模擬研究的國內外進展，然後基於mh方程建立了cfcs及其替代工質的熱力學性質和輸運性質的數學模型，並編制了計算程序。利用該程序對cfc12及其替代工質hcfc22 、 hfc134a的在熱泵中的循環性能進行了模擬。
  17. Thermodynamic analysis on co2 nh3 cascaded refrigeration system

    3低溫製冷系統熱力學分析
  18. According to the characteristic high energy consumption of heating ventlating and air conditioning in chemical fibre plant, the paper figured out the reasons of the high energy consumption and raised the correspondent methods to decrease the energy consumption by analyzing the problems exist in the heating, refrigerating, cooling water cycling, air conditioning systems

    摘要根據化纖廠暖通空調是能耗大戶的特點，從熱力系統、製冷系統、水系統、空調系統等方面進行分析，總結出耗能原因，並提出相應的節能措施。
  19. 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。
  20. Respective simulation of the liquid cooling system and the circulatory system of cooling fluid, which mainly concerns the simulation model of the four major components in the refrigerating system and the water pumps and heat exchangers in the cooling circulatory system. experimental research of the assembled system of liquid cooling system, which yields the system perform parameters of refrigerating capacity and resistance loss in different working conditions. collection and comparison of the experimental data got from simulation and experimental research, which proves simulation and the experiment result are well tallying, hereby, testifies the emulational veracity of the cooling system

    主要對製冷系統中四大部件和冷卻液循環系統中的水泵、換熱器進行了數學建模;利用組裝的液冷源系統進行實驗研究，得到不同的工況下系統的製冷量、阻力損失等系統性能參數;對模擬和實驗研究中得到的大量實驗數據進行匯總比較，發現模擬和實驗結果吻合較好，驗證了液冷源系統模擬的準確性。
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