蓄熱流體 的英文怎麼說
中文拼音 [xùrèliútǐ]
蓄熱流體
英文
thermal storage fluid-
The most popular solar energy system for commercial use is the indirect system with a nonfreezing heat transfer fluid to transmit heat from the solar collectors to storage ( figure 2 )
商業應用中的最受歡迎的太陽能系統是非直接系統,從太陽能收集器到蓄熱使用的是不冷凍載熱流體(見圖2 ) 。Moreover, the thermal storage device model is built up in order to understand its thermal storage performance. its model includes a helical heat exchanger pipe model and a hot water storage tank model. the distributed parameter simulation model of the helical heat exchanger pipe and the planar mathematics model are
此外,為了解hpacdhws中蓄熱裝置的蓄熱特性,建立了螺旋管換熱器的分佈參數模型,並根據傳熱學和流體力學理論,建立了二維蓄熱水箱的流動及傳熱數學模型。Abstract : by using the 3 - d unsteady state heat transfer equation, the heat convection and radiation between the checker and the gas which flows through the checker holes, and the heat conduction among the checker in the chamber of the hot blast stove were studied. the time dependable gas temperature and the temperature distributions within the checker were obtained
文摘:應用三維非穩態熱量傳輸方程,對高爐熱風爐在燃燒過程中蓄熱室內格子磚與氣體之間的對流和輻射傳熱,以及格子磚內部的導熱過程進行了耦合求解.得到了在燃燒期內格子磚及燃燒過程中燃燒廢氣的溫度分佈情況及其隨時間的變化規律These critical factors have been given particular attention in the subsequent development and design of this kiln type, while maintaining the unique features of pfr - kiln principles, i. e. the parallel flow of material and combustion gases in the burning zone and the regenerative preheating of combustion air
內部形狀這些關鍵因素已經在這種窯型后來的發展和設計上被特別給予關注,同時保留併流蓄熱的窯型的原理,例如燃燒帶的原料和燃燒氣體的併流和助燃空氣的再預熱。The results show that : the lose of pressure is small when air velocity and the longth of honeycomb potter heat storage bed are varied ; but the switch time of air and the bulk of storage bed play important roles as regard its dynamic thermal performance
結果表明:蜂窩型陶瓷蓄熱體換熱器的壓力損失隨著空氣流速以及蓄熱體長度的不同而變化,但總體上說,其壓力損失並不大;四通換向閥的換向周期和蜂窩陶瓷蓄熱體換熱器的體積等是影響其溫度效率和熱回收率等熱性能的重要因素。Using cfx4. 3 code with finite difference and simplec methods, the temperature distribution of ladle lining baked at different preheating temperature of combustion gas was studied numerically and experimentally
利用計算流體力學軟體cfx4 . 3 ,採用有限差分方法和修正的速度壓力耦合演算法simplec ,計算了某廠蓄熱式鋼包內襯的溫度分佈,重點分析了不同氣體預熱溫度下鋼包內襯溫度的變化規律,並進行了實驗驗證。In this paper, a image processing method has been presented, with this method mean temperature of testing object can be arrived at from infrared picture and the interior temperature gradient of the test pieces in the situation of transient heat transfer can be got. unsteady - state heat transfer mechanism of wall has also been studied in this paper. on the basis of theoretical analysis and experimental study we can get such conclusions : infrared testing of energy conservation of buildings is rapider and more accurate than heat - flow meter method which is popular at present ; heat transfer mechanism in the situation of unsteady - state heat transfer has been analyzed through experiment ; the interior layers ’ temperature of the test pieces ascent in company with
本文在理論分析和試驗研究的基礎上得出以下結論:本文研究的紅外檢測建築節能的方法比目前存在的熱流計法更快速、更準確;用試驗分析了墻體在非穩態傳熱情況下的傳熱機理;試件各層溫度隨著受熱面環境溫度的上升而上升,只是上升的程度不同,響應時間不同,這是由於試件內部有一個蓄熱過程;通過傳熱理論和建築熱工計算推導出了非穩態傳熱情況下的傳熱系數的計算公式;本文用matlab進行紅外圖片的處理,進而得到被測物的平均溫度;用數據處理軟體擬合溫度熱流。By analyzing the charging & discharging characteristics of accumulators, and by improving the hardware and control algorithm of the former chargers, this dissertation designes a high - power charger. the charger can not only charge accumulators with constant voltage and limited current, but also charge them intelligently. meanwhile, it is characteristic of over - voltage, over - current and overheat protection, self - recovery and automatic current - averaged in parallel
本論文通過對蓄電池的充、放電特性的分析以及對以往充電機硬體和控制演算法兩個方面的改善,設計了一種不僅能對蓄電池進行恆壓限流充電,還可以進行智能充電,同時具有過壓、過流、過熱保護、自恢復功能和並聯自動均流的大功率充電機。分享友人