process of refrigeration 中文意思是什麼

process of refrigeration 解釋
冷凍過程
  • process : n 1 進行,經過;過程,歷程;作用。 2 處置,方法,步驟;加工處理,工藝程序,工序;製作法。3 【攝影...
  • of : OF =Old French 古法語。
  • refrigeration : n. 消熱,清涼;冷卻(法);冷藏(法),冰凍,致冷;致冷學。
  1. The former is to gain refrigeration volume through the process of adsorbing adsorbate ( cryogen ) by adsorbents ; while in desiccant cooling, solid adsorbent is used to remove the moisture from the surrounding

    吸附式製冷是利用固體吸附劑對吸附質(製冷劑)的吸附過程而獲得冷量的。吸附除濕製冷是用固體吸附劑將空氣中的水蒸汽部分除去,並與蒸發冷卻等技術結合,達到製冷效果的製冷方法。
  2. 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。
  3. Research of thermal engineering performance test facilities for refrigerated containers - the test standards and methods are deeply analyzed. airtightness test, heat leakage test and performance test ( with refrigeration unit ) are done on the developed test facilities. the process of the experiment system, used hi measuring the thermal engineering properties of refrigerated containers, is thoroughly discussed

    氣密性實驗結果顯示,箱內、外的溫度波動范圍處於15 25之間,箱內、外的壓差處於250 10pa范圍內,平均漏氣率為2 . 38 ( m / h ) ,遠遠低於極限值10 ( m / h ) ,被測試的冷藏集裝箱的氣密性符合規范要求。
  4. The pressure switch is suitable for almost all liquid and gaseous mediums and is used in vacuum technology pump control, refrigeration technology compressor control, gas technology stock monitoring, leakdetection, filter monitoring dirt detection, level measurement overfill protection, dry - running protection, aswell as a whole variety of measurement tasks in hydraulics and pneumatics, in machine, equipment and plantconstruction, in process technology and in building technology

    壓力開關幾乎適用於所有液體和氣體介質,可以用於真空技術氣泵控制製冷技術壓縮機控制氣體技術貯存量監測泄露探測過濾監測灰塵探測,液位測量過量保護空運行保護,也用於過程技術和建造技術的機器機械和設備製造中的所有液壓和氣壓測量任務。
  5. 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。
  6. Technical analysis of propane - aided refrigeration energy - saving process in cryogenic treatment of natural gas

    天然氣深冷處理中丙烷輔助製冷節能流程技術分析
  7. Therefore, m4 - 0132 - water and m1 - 0001 - ethanol are good adsorption working pairs in the process of adsorption refrigeration driven by solar energy and low - grade thermal energy. ( 2 ) apply the related mechanism analysis method used in catalyst to the mechanism research in composite adsorbents. a new way of research is put up here, in which the pyridine is used as probe compound, and

    對本文研究的製冷工質對的製冷工況分析結果表明:自製復合吸附劑m4一01犯一水和ml一0001一乙醇適用於空調等大循環量的製冷系統, ml一9906一乙醇和mz一0003一乙醇可用於製冰和冷凍等需要低溫的製冷場所。
  8. First of all, based on studying the transient behavior of refrigeration system, it was deduced of the mathematical models in the stable process of refrigeration system and brought to light of the heavy inertia, hysteresis coupling in refrigeration system. these results were comfirmed to be valid by a large number of experimented results. the second, to couter the characteristics of refrigeration system, reseached many control algorithms for working conditions

    首先,在研究製冷系統動態特性的基礎上,推導製冷系統穩定過程各主要變量間的定量關系,揭示了製冷系統的大慣性、相關性、滯后性,並進行了大量的實驗加以驗證;然後,針對製冷系統的特點,研究多種工況控制策略,提出d p轉換的軟實現概念,在此基礎上,又提出了概率控制律,並將專家調節器應用於實際控制之中;最後,提供了整個壓縮機測試系統的硬、軟體實現? ? yzc - 500型製冷壓縮機測試系統。
  9. Analysis and enhancement of the heat and mass transfer process in the adsorber of the solid adsorption refrigeration system

    固體吸附式製冷系統中吸附床內的傳熱傳質過程分析和強化
  10. Abstract : this paper analysed the actuilities of reusing the cooling energy in the process of separating sodium sulphate from the brine by refrigeration, and the condition of the refrigeration system. suggesbted an idea to reuse the cooling emergy that suits the process better

    文摘:分析了冷凍提硝工藝中冷量回收利用的現狀和製冷系統工況,提出了使冷量回收利用措施更加合理的思路。
  11. Theoretical and experimental investigation on working process of screw refrigeration compressor with r134a

    螺桿製冷壓縮機工作過程數值模擬及實驗研究
  12. The process above can only run in heating state and not in the state of refrigeration and stand by

    以上過程只在制熱狀態進行,在製冷和待機狀態不會啟動化霜。另外,當
  13. Goods or articles carried in any such compartment are at the sole risk of the owner thereof and subject to all the. conditions, exceptions and limitations as to the carriers liability and other provisions of this bill of lading ; and further the carrier shall not be liable for any loss or damage occasioned by the temperature, risks of refrigeration, defects or insufficiency in or accidents to or explosion, breakage, derangement or failure of any refrigerator plant or part thereof, or by ' or in any material or the supply or use thereof used in the process of refrigeration unless shown to have been caused by negligence of the carrier from liability for which the carrier is not by law entitled to exemption

    專門的冷熱艙室所裝運的貨物或物品的風險應由貨主獨自承擔,就承運人的責任而言,應按本提單所有的條件;免責條款和責任限制以及其他規定執行;此外,對因溫度、製冷險、製冷設備或其部件的缺陷、缺乏、事故、或爆炸、損耗,失調或不製冷而導致的,或因製冷過程中使用的任何物資或因其供應或使用而導致的任何滅失或損失,承運人概不負責,除非證明其是因承運人的過失責任而導致,且根據法律承運人無權享受免責。
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