冷卻水溫度與冰水溫度對離心式冰水主機性能影響之實驗分析

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姓名

游本良(Pen-Liang Yu) 查詢紙本館藏

畢業系所

機械工程學系在職專班

論文名稱

冷卻水溫度與冰水溫度對離心式冰水主機性能影響之實驗分析
(The experimental analysis of the effect of cooling water and chilled water temperature on centrifugal chiller performance)

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至系統瀏覽論文 ( 永不開放)

摘要(中)

台灣地處於亞熱帶區域，夏季氣候高溫高濕，需要大量的空調設施，尤其是工業生產所需的無塵室，需要大量的冰水做為溫度與濕度控制之用，冰水主機為冰水系統的核心機件，其效率的高低對能源的消耗有極大的影響。
本文討論冰水主機水側溫度變化對冰水主機效率的影響，使用田口實驗計畫法的直交表做實驗，並以TFT-LCD廠實際的運轉數據為分析依據，將冰水主機冷卻水進口溫度與COP的線性迴歸關係式找出，可以很明確的顯示COP值隨著冷卻水進口溫度降低而升高；關於冰水溫度的影響，想要提升COP值，主要在於必須增加冰水進口與出口的溫度差ΔT，若是只有提高冰水主機的冰水出口溫度而無法同時增加ΔT，則未必能夠有效的提高COP值。

摘要(英)

Taiwan is located in the subtropical area with hot and humid climate in the summer. It requires a large number of air conditioning facilities. The chilled water is used to control the temperature and humidity in the industry, especially for the clean room to maintain the constant temperature and humidity. The chiller is the heart of the chilled water system, and its efficiency has a great influence on consumption of the energy.
This research experimentally studies the performance of the chiller in different water temperature. The Taguchi method is used to analysis the results of the experiments. From the operation data of the TFT-LCD factory, a linear regression of the chiller’s COP versus its condenser inlet water temperature can be found. The result shows that the COP of the chiller will increase with decreasing condenser inlet water temperature. Because the variation of chilled water temperature tested is too small, the effect of the chilled water to the COP is not significant.

關鍵字(中)

★ 冰水主機
★ 冰水系統

關鍵字(英)

★ Chiller
★ Chilled water system
★ COP

論文目次

目錄
摘要 i
Abstract ii
誌謝 iii
目錄 iv
表目錄 vi
圖目錄 viii
符號說明 x
第一章前言 1
1.1 研究背景 1
1.2 研究目的 2
第二章文獻回顧 7
2.1 冰水主機的理論模型及系統模擬 7
2.2 冰水主機的測試 8
2.3 冰水主機的性能 9
2.4 節能與環保議題 10
第三章實驗方法 18
3.1 實驗系統 18
3.2 實驗量測設備 21
3.3 實驗數據計算 22
3.4 直交表 22
第四章實驗結果與討論 34
4.1 冰機的效率表示法 34
4.2 直交表實驗 36
4.3 冷卻水溫度的影響 39
4.4 冰水溫度的影響 41
第五章結論 69
參考文獻 70
附錄
A.空調系統冰水主機能源效率標準 73
B.實驗誤差分析 74
C.蒸氣壓縮循環的熱力分析 76

參考文獻

參考文獻
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指導教授

楊建裕(Chien-Yuh Yang)

審核日期

2006-7-20

推文