熱氣集合器 的英文怎麼說
中文拼音 [rèqìjígěqì]
熱氣集合器
英文
hot-air collector- 氣 : Ⅰ名詞1 (氣體) gas 2 (空氣) air 3 (氣息) breath 4 (自然界冷熱陰晴等現象) weather 5 (氣味...
- 集 : gatherassemblecollect
- 合 : 合量詞(容量單位) ge, a unit of dry measure for grain (=1 decilitre)
- 器 : 名詞1. (器具) implement; utensil; ware 2. (器官) organ 3. (度量; 才能) capacity; talent 4. (姓氏) a surname
- 熱氣 : hot-gas熱氣干(燥) desiccation; 熱氣發動機 [機械工程] hot-air engine
- 集合 : 1 (聚集) gather; assemble; muster; call together 2 [數學] [自動化] [計算機] assemblage; set; co...
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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。The signal sampling circuit fulfill the tasks of sampling signal and changing the double polarities signal to the single polarity signal ; the drive circuit receives the pwm signals from dsp and pass the signals to ipm through optical - couple devices ; the protective circuit safeguard the system against high current, high voltage, low voltage and high temperature on the ipm model
其中信號處理電路主要完成採集輸出電流和中間直流環節電壓信號,並對採集到的電流信號進行極性變換處理的功能;驅動電路接收dsp輸出的高頻驅動信號,通過耦合器件直接驅動ipm模塊;保護電路利用採集到電氣信號對整個系統實施保護,包括過電流、過電壓、欠電壓、 ipm模塊過熱等。In this paper, a solar building is taken as model which is heated in winter by passive and objective ways. they are solar radiant floor heating system and sptar air heater. the mathematical model of energy balance is built
本文以一種主要通過主動式和被動式相結合的方式進行冬季採暖的太陽能建築為研究對象,它的主動式部分為太陽能地板輻射採暖系統,被動式部分為太陽能空氣集熱器。On the application of evaporation & condensation, a new open cycle solar still, which is configured mainly by one kind of falling film evaporator, condenser, solar collector and some auxiliary devices, is proposed. parameters affecting system performance, i. e., temperatures and flow rates of moist air, seawater, and cooling water, are analyzed numerically and experimentally
最後,本文建立了一種以高效降膜蒸發器為核心部件的新型開放循環海水淡化系統,在降膜蒸發器、太陽能集熱器和冷凝器等部件數學模型基礎之上,建立了合理的系統模型,通過數值模擬對空氣、海水、冷卻水等有關參數對淡水產量的影響進行了分析。Heat supply heating and hot water supply is provided with : hybrid solar system on the base of solar collectors water - air, area - 12 square meter in the southern wall of a greenhouse ; passive solar system combined with the northern wall made of hollow blocks 0, 2 m wide and filled in with hae of porous material
該溫室通過以下方式提供熱水和供暖:南墻使用面積為12平方米的綜合太陽能系統,該系統使用太陽能收集器制給空氣和水體加熱北墻使用被動太陽能系統,即墻體由每塊0 . 2米寬的空心磚砌成,磚內填充多孔蓄熱材料。The collector efficiency of double - flow solar air heaters with fins attached by baffles, has been investigated experimentally and theoretically
摘要本文理論分析配合實驗印證,探討雙流式翅加檔板型太陽能空氣加熱器之收集器效率。In order to study the regeneration mechanism of dpf in detail, we still need a mathematical model of the channel unit, which present temperature field and the soot reaction rate of the channel. finally, it points out the influences of various factors to the regeneration process by computing the numerical solution of model under different boundary conditions and geometry parameters, such as the initial temperature, the gas flow rate, the oxygen concentration, the sediment quantity and the wall thickness of the filters, and so on. in this way, the paper provides theoretical guidance for optimization design of the dpf
首先研究了干凈壁流式過濾體的加熱特性,然後在加熱和燃燒理論的基礎上建立了微粒捕集器再生過程的數學模型,並對模型進行了數值計算,得到了捕集器內部的三維溫度場分佈以及溫度梯度分佈,結果與實驗值吻合較好,驗證了模型的正確性;為了詳細的研究微粒捕集器的再生機理,建立了孔道單元數學模型,得到了孔道內的溫度場分佈和微粒反應速率分佈;最後,通過求解模型在不同邊界條件和不同幾何參數下的數值解,分析了各種因素對再生過程的影響,如過濾體初始溫度、過濾體內氣流的流動速率、氧濃度、微粒沉積量以及過濾體壁面厚度,為微粒捕集器的優化設計提供理論指導。分享友人