太陽能儲熱槽之模擬

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Title:	太陽能儲熱槽之模擬
Other Titles:	Simulation of solar thermal storage tank
Authors:	張舜傑;Chang, Shun-Chieh
Contributors:	淡江大學化學工程與材料工程學系碩士班吳容銘;Wu, Rome-Ming
Keywords:	計算流體力學;太陽能;儲熱槽;CFD;simulation;thermal tank;solar energy
Date:	2012
Issue Date:	2013-04-13 11:52:14 (UTC+8)
Abstract:	本研究中利用GAMBIT繪製儲熱槽幾何結構，再使用FLUENT設定邊界條件、液體性質、儲槽材料等設定，並讀取運算出的數據與溫度等量圖。本研究主要目的是在於提升冷流出口溫度，以及藉由設計的不同，使得儲熱槽能夠達到加熱及儲熱的效果，儲存槽體積為493 L，槽內放置熱管與冷管的熱交換器，分別將340 K熱流，流率為0.235 L/min進入熱管中，另外將300 K冷流，流率為0.094 L/min進入冷管。使用FLUENT模擬不同的邊界條件後，進行數值模擬運算作比較，藉由改變熱流進口溫度、冷熱流進口流率、盤管與槽內液體的接觸面積、流體種類等各種方式，以了解儲熱槽內溫度分層狀況以及冷流出口影響。 This study use the GAMBIT to plan the geometric structure of the thermal storage tank, then use FLUENT to establish boundary condition, liquid properties, storage tank material. We read the data and the temperature contours by FLUENT. The storage tank volume is 490 L. The heat coil and cold coil heat exchangers in the storage tank. The rate of discharge is 0.235 L/min passes over in the heat coil, and the rate of discharge is 0.094 L/min passes over the cold coil. Using FLUENT to simulate different boundary conditions. The numerical simulation to compute, by the change of heat flow inlet temperature, hot stream and cold stream inlet flow rate, the contact area of coil and tank liquid. To understand temperature stratification in thermal storage tank and compared with simulation results in different boundary conditions.
Appears in Collections:	[Graduate Institute & Department of Chemical and Materials Engineering] Thesis

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