集熱器方程 的英文怎麼說
中文拼音 [jírèqìfāngchéng]
集熱器方程
英文
collector equation-
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。Since low voltnge, low power cmos analogy circuit and current - mode analogy integrated circuit have so many advaotages, it has become most appealing for vlsi t6chnique theorotical scholar and design engineel filter is an important unit of analog integrated circuit, whose structue construction and design method can estend to the design of large scale " ana1og integrated circuit.
低電壓、低功率cmos模擬電路與電流模式集成電路由於具有諸多的優點而成為當前vlsi技術理論工作者和設計工程師所關注的熱點。模擬濾波器作為模擬集成電路的重要單元，其結構生成方法和電路設計方法可推廣至大規模集成電路設計，具有重要的參考價值和實際應用價值。By virtue of the experiments carried out on the modified pilot - scale biomass gasification system, the temperature field in the gasifier is made explicit. and also some principles about how the temperature, feedstock and extraction mode exert influences on heat value and production rate of gas are attained. in addition, some tentative tests of tar cracking and thermodynamic characteristics of biomass gas burner have been performed, which are that indispensable to design and operation of biomass gasification demonstration project
接著，通過對生物質中熱值氣化中試試驗系統的多次改造和反復試驗，了解了氣化爐內溫度場分佈，得出了溫度、物料、抽氣方式等因素對生物質熱解氣的成分、熱值和產氣率影響的一些基本規律，並進行了初步的焦油催化裂解試驗和煤氣燃燒器的熱力特性、燃燒特性試驗，為面向工程應用的集中供氣示範項目提供了必要的設計和運行依據。Covering an area of 30, 000 square meters, we have an annual production capacity of 120, 000 pieces of solar water heaters and have the ability to carry on the guesthouse, factory, school large - scale collective solar projects in designing, producing and constructing
公司佔地面積30 ， 000多平方米，具有年產家用太陽能熱水器12萬臺和承接賓館工廠學校太陽能大型集熱工程設計生產施工能力，成為全國太陽能行業中的佼佼者。Along with the ecological and energy - saving trend of construction development, diangong solar applies light - heat conversion technique to realize the integrated air conditioning system of water heating. heating and refrigerating. it co centralizes large area of solar heat collectors to heat water, uspplying families and units with consistent water supply. in winter, it uses the solar heated water to realize floor heating or fan heating, in summer, the heated water is used to refrigerate by the high - efficiency hot water refrigerating set solely developed by diangong. besides, the systemis equipped with assisting resources to form an integrated air conditioning system, which is efficient, safe, environmental, energy - saving and economic. by it, people can enjoy a natural and healthy life at home
電工太陽能順應生態節能建築發展潮流，以太陽能光熱轉化技術實現熱水/供暖/制準予一體化空調系統工程應用，採用大面積太陽能集熱器採集中高溫熱水，為家庭或單位用記提供全方位熱水供應，在冬季利用太陽能熱水進行地板或風機供暖，解決冬季取暖問題，在夏季利用太陽能熱水，通過電工獨立開發的商效能熱水製冷機組進行製冷，集成太陽能一體化空調系統，系統配備輔助能源，全天候自動運行，高效，安全、環保、節能、經濟，在家中享受陽光自然的舒適健康生活。Using the calculating method of the quantity of heat in modern greenhouse, the heat balance equation of greenhouse is set up. it is confirm that optimizing the areas rate of solar collector to culture field is 1 : 5
根據現代溫室耗熱量的分析，建立了溫室熱平衡方程，由該方程確定的集熱器面積與溫室種植面積的優化比例為1 : 5 ，經試驗驗證，該比例能滿足作物冬季生長對溫度的要求。This paper states the situation of our countrys solar energy utilization, indicates the background and possibility of solar energy heat pump utilization, and gives the energy balnce equation of instruments in this system in view of typical solar energy heat pump system
針對我國太陽能的利用情況，指出利用太陽能熱泵的背景與可能性，並針對典型太陽能熱泵系統，給出此系統各設備（包括集熱器、蒸發器、冷凝器和蓄熱器）的能量平衡方程，分析了太陽能熱泵系統的供熱性能系數。In the selective calculation module, the calculations of heat exchanger design, the analysis of pipe setting patterns are combined with the database so that the selective calculation sub - system is developed. considering the factors such as uniform flowing of the fluid, smaller inner radius of the shell, the well heat exchanging effect and saving materials, the pipe setting module is developed based on the designing data. in the module for automatically generating parts and assembly drawings, the database of pattern sizes and the drawing libraries are established according to the classifications and series
在選型計算模塊中，通過換熱器設計計算、管束組件的布管方式分析、數據庫的檢索，開發了浮頭式換熱器輔助設計計運算元系統；在布管定型模塊中，按照確保殼程流體流動均勻、且換熱器殼體的內徑較小、管程殼程間換熱良好且節省材料的原則，根據設計計算參數建立了自動布管定型系統；在零部件圖和裝配圖自動生成模塊中，分級分類地開發了浮頭式換熱器所有零部件圖和裝配圖的圖紙尺寸數據庫和圖庫，運用「死圖活尺寸」的開發理念，開發了圖形自動生成與管束參數化設計的集成系統。With the intensive and scale development of modern greenhouses and the advancement of their intelligent management, present - day greenhouse technology is witnessing a trend of integration of greenhouse production and its management through remote communication. the development of modern sensor technology, communication technology, automation technique and computer technique add fuel to the fire for this trend. the remote communication interface for greenhouse data acquisition system is designed and discussed in this paper as the research focus
隨著現代溫室朝著集約化、規模化方向的發展和溫室管理智能化要求的提高，溫室測控系統實現遠程通信，進而實現溫室內生產與管理的一體化，是現代智能溫室發展的必然趨勢；現代傳感器技術、通信技術、自動化技術和計算機技術的發展，又為這一發展趨勢推波助瀾，本文就這一研究熱點，集中對溫室數據採集系統遠程通信介面進行了設計探討。分享友人