臺灣博碩士論文加值系統

本實驗模擬紅外光、可見光、紫外光照射太陽能真空管集熱器產生水溫變化，實驗得知紅外光產生熱傳最佳，因真空管如同溫室，紅外光穿入後大部份能量留管内。另實驗紅外燈、鎢絲燈同時照射產生溫升，不等於各別燈照射產生溫升相加，其溫升是由紅外燈照射為影響熱傳主因。比較28.8W高週波振盪器與250 W紅外燈產生熱傳，高週波振盪器加熱產生温升1.5℃/min，而紅外燈照射產生温升1℃/min，此狀況得知熱對流優於熱輻射。就流體力學而言，擾流熱傳速率優於層流熱傳速率，對於太陽能真空管熱水器加裝高週波振盪器，則增加流體擾動及熱傳。依實驗數據作曲線迴歸分析，紅外燈照射真空管集熱器之熱傳温度與時間關係之方程式為二次多項式y= -0.0004x2+0.1916 x+30.876（y=温度，x=時間），紅外燈照射真空管集熱器之熱傳温度變化率與時間關係之方程式為指數方程式 y=0.2496e-0.0072x（y=温度變化率，x=時間），從改變輸入電壓之高週波振盪器對水溫初終溫度差，得知為乘幕方程式Y=0.0023X1.915（Y=温度差，X=伏特），水溫變化與輸入電壓伏特1.915次方成正比，該些方程式將來可運用於設計溫度控制軟體。經探究高週波振盪器運用於冷凝水製程單元之可行性之程序：太陽能熱水器貯水槽70℃→高週波振盪器→氣冷式冷凝器→蜂網式碰撞設施→液面下收集式儲桶，經此程序得冷凝水130-145毫升/時，最後階段考慮飲用安全需經滅菌單元，可設計紫外線殺菌器於冷凝水儲槽。

This experiment simulates ultraviolet, visible light and infrared rays on evacuated collector tube to see changes of water temperature. The result shows infrared rays do better on heat transfer. The evacuated collector tube is like a green house when infrared rays enter and much energy is left. At the same time, infrared and tungsten filaments make the rise of temperature, which is higher than total of other lights. Among them, infrared light is the main reason of heat transmission. To compare 28.8W oscillator and infrared light, the former makes the temperature rise 1.5℃/min, and the latter 1.0℃/min. That is, heat transfer is better than radiation. As it goes to hydrodynamics, turbulent flow speed is better than laminar flow. Therefore, the solar hot water system with oscillator increases flow perturbation and heat transfer. Based on the data to make Curvilinear Regression analysis, the equation of temperature of heat transfer (using infrared light on all-glass evacuated-tube collector ) and time is quadratics, y= -0.0004x2+0.1916 x+30.876 (y=temperature, x=time). The equation of temperature of heat transfer (using infrared light on all-glass evacuated-tube collector ) and time is exponential quadratics, y=0.2496e-0.0072x（y=rate of temperature changes，x=time）From differences of water temperature (beginning to the end) by changing voltage of the oscillator, the result is powers of equation, Y=0.0023X1.915（Y= differences of temperature，X=voltage）. Differences of water temperature and the voltage show direct ratio. These equations could be applied for temperature control software. Explore the feasibility of the oscillator on drinking water process : Solar hot water system water tank 70℃ → ultrasonic oscillator → air-cooled condenser → beehive collision equipment → under-liquid collective barrel, Through this procedure, we could get 130-145ml /hr condensate. For drinking safety, the ultraviolet disinfector could be set in the tank as the final step.

中文摘要 Ⅰ
英文摘要 Ⅱ
目錄 Ⅳ
表目錄 Ⅵ
圖目錄 Ⅷ
第一章 緒論 1
1-1 前言 1
1-2 研究動機與目的 4
1-3 研究架構 5
第二章 文獻回顧 7
2-1 太陽光輻射 7
2-2 熱傳原理 10
2-3 高週波之原理與應用 13
2-4 增濕與減濕單元操作 17
2-5 霧滴捕集機制 20
第三章 實驗 21
3-1 實驗材料設備 21
3-2 實驗步驟與方法 22



第四章 結果與討論 30
4-1 不同光源對真空管照射之熱傳測試 30
4-2 光源對真空管內不同水温之熱傳測試 36
4-3 不同能量鎢絲燈對真空管照射之熱傳測試 41
4-4 不同光源同時對真空管照射之熱傳測試 44
4-5 太陽能真管空集熱器戶外實測 47
4-6 迴歸分析 51
4-7 高週波振盪器熱傳實驗 59
4-8高週波振盪器搭配紅外燈對真空管之熱傳測試 68
4-9 高週波振盪器運用太陽能熱水系統製造冷凝水可行性 71
第五章 結論與建議 78
5-1 結論 78
5-2 建議 80
參考文獻 81

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