R22及三元非共沸混合冷媒R407C於平滑管及微鰭管內的對流蒸發性能研究

完整後設資料紀錄

DC 欄位	值	語言
dc.contributor.author	郭誠恕	en_US
dc.contributor.author	Cheng-Shu Kuo	en_US
dc.contributor.author	盧定昶	en_US
dc.contributor.author	Ding-Chong Lu	en_US
dc.date.accessioned	2014-12-12T02:14:06Z	-
dc.date.available	2014-12-12T02:14:06Z	-
dc.date.issued	1994	en_US
dc.identifier.uri	http://140.113.39.130/cdrfb3/record/nctu/#NT830489076	en_US
dc.identifier.uri	http://hdl.handle.net/11536/59565	-
dc.description.abstract	本研究是以實驗方法分別探討R22及三元非共沸混合冷媒R407C (R32/ R125/R134a,23%/25%/52%,重量比)於外徑為9.52mm的微鰭管及平滑管內對流蒸發熱傳係數及兩相流動壓降.實驗結果顯示R22及R407C的熱傳係數均隨質量速度,熱通量的增加而增大.比較平滑管,R22於微鰭管的熱傳係數提升率為2.2倍,而R407C則為2倍.在相同的實驗條件下,R407C的熱傳係數為 R22的50%.Friedel關係式對R22於測試管內兩相流動壓降預測性良好,而 R407C則否.Chisholm關係式對管內兩相流動壓降預測性不良,建議修正 C 因子值.	zh_TW
dc.language.iso	zh_TW	en_US
dc.subject	對流蒸發,兩相流動,三元非共沸混合冷媒	zh_TW
dc.subject	Convective Evaporation , Two Phase Flow , Ternary Nonazeotropic Refrigerant Mixture	en_US
dc.title	R22及三元非共沸混合冷媒R407C於平滑管及微鰭管內的對流蒸發性能研究	zh_TW
dc.title	An Investigation of Convective Evaporation of R22 and Ternary Nonazeotropic Refrigerant Mixture R407C in Smooth and Micro-fin Tubes	en_US
dc.type	Thesis	en_US
dc.contributor.department	機械工程學系	zh_TW
顯示於類別：	畢業論文