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研究生:褚耀宗
研究生(外文):Stephen CHU
論文名稱:扁平管平行流冷凝器(PFC)之最佳化設計
論文名稱(外文):Optimal Design of the Aluminum Flat-Extruded-Tube Parallel Flow Condenser
指導教授:楊建裕楊建裕引用關係
指導教授(外文):C.-Y. Yang
學位類別:碩士
校院名稱:國立中央大學
系所名稱:機械工程研究所
學門:工程學門
學類:機械工程學類
論文種類:學術論文
論文出版年:1999
畢業學年度:87
語文別:中文
論文頁數:134
中文關鍵詞:平行流扁平管熱交換器百葉窗形氣孔鰭片平行流扁平管冷凝器平行流扁平管蒸發器室內空調系統鰭管式熱交換器扁平鋁擠型管
外文關鍵詞:PFHELouver FinPFCPFERACFinned-Tube Heat ExchangerFlat Extruded Aluminum Tube
相關次數:
  • 被引用被引用:5
  • 點閱點閱:398
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  • 下載下載:0
  • 收藏至我的研究室書目清單書目收藏:1
本研究為利用計算程式作為輔助工具,針對扁平鋁擠型管平行流冷凝器(PFC)進行最佳化設計,作者利用程式模擬車用蛇盤管冷凝器及鰭管式冷凝器,以得到程式正確性及鰭管式設計的實證結果,此外,亦在負熱載為1冷凍噸的要求下,針對機體寬*機體高600mm*400mm的單排(1Row) PFC進行最佳化設計,並且將各級正向風速的熱負載極及鰭側壓損進行曲線契合(Curve Fitting)以利程式更新。
The master essay applies ForTran-77 to program the optimal design of the aluminum flat-extruded-tube parallel flow con-denser. After identifying the accuracy of the computer program by the validation of the simulation of serpentine condenser, the researcher compare PFC with finned-tube condenser by CASE(FG-3) of performance evaluation criteria.The researcher design the optimal geometric parameters according to the requirement that the heat capacity 3517.08 Watt and the core width 600mm with the core height 400 mm by this program. Besides, the re-searcher apply the curve-fitting skill on the real heat capa-city and fin side pressure drop for the reversion of this program.
目錄

摘要
目錄
圖目錄
表目錄
符號說明

第一章 前言
1.1 研究動機
1.2 研究目的

第二章 文獻回顧
2.1 熱交換器設計法概述
2.2 鰭側
2.2.1 百葉窗形氣孔鰭片( Louver Fin)
2.2.2 波浪形鰭片( Wavy Fin
2.2.3 錯置帶狀鰭片( Offset Strip Fin,OSF)
2.2.4 小結
2.3 管側
2.3.1 管內摩擦係數
2.3.2 管內熱傳係數
2.3.2.1 單相熱傳
2.3.2.2 兩相冷凝熱傳

第三章 設計方法及程序
3.1 百葉窗形氣孔鰭片型式及材料的選取
3.2 扁平鋁擠型管型式及材料的選取
3.3平行流扁平鋁擠型管冷凝器( Parallel Flow Condenser , PFC )
設計原理及程序
3.3.1 PFC設計問題解析
3.3.1.1 PFC設計原理
3.3.1.2 PFC設計問題的陳述與解析

第四章 程式模擬及最佳化設計結果與討論
4.1 PFC程式預測結果與蛇盤管冷凝器變數數據比較
4.1.1 模擬狀態的設定
4.1.2模擬結果及討論
4.2 最佳化設計後之PFC與鰭管式冷凝器之性能比較
4.2.1 運轉環境及模擬狀態設定
4.2.2 模擬結果及討論
4.2.2.1 PFC與鰭管式冷凝器在相同熱負載條件下機體比
之比較
4.2.2.2 PFC與鰭管式冷凝器之鰭側壓損比較
4.3熱負載Q=1冷凍噸之單排( 1-Row )PFC最佳化設計
4.3.1 設計目標
4.3.2 最佳化設計的結果
4.3.3 在不同正向風速下之Q v.s. Ufr性能圖及鰭側壓損圖

第五章 結論

參考文獻
附錄
附錄A PFC程式架構
附錄B PFC程式設計參數說明
附錄C Chang &Wang (1996)測試機體諸元
附錄D CNS3615-B7048國家標準
附錄E HCFC-22、HFC-134a冷媒性質圖表
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