技术中心

螺旋隔板花瓣管水冷冷凝器的传热强化研究 【英文篇名】 Study on heat transfer enhancement of water cooling petal-shaped fin tube condenser with helical baffles 【作者中文名】 张正国; 方晓明; 【作者英文名】 By Zhang Zhengguo and Fang Xiaoming South China University of Technology; Guangzhou; China; 【作者单位】 华南理工大学; 【文献出处】 暖通空调, Hv 螺旋隔板花瓣管冷凝器; 传热强化; 【英文关键词】 R407C; petal shaped fin tube condenser with helical baffles; heat transfer enhancement; 【摘要】 研究了R40 7C在螺旋隔板花瓣管冷凝器中的传热特性 ,在实验条件下 ,该冷凝器的总传热系数可超过 30 0 0W /(m2 ·K) ,证明了螺旋隔板花瓣管冷凝器能显著地强化R40 7C的冷凝传热。 【英文摘要】 Studies the heat transfer characteristics of R407C in petal shaped fin tube condenser with helical baffles. Under the experimental condition, the total heat transfer coefficient of the condenser reached to over 3 000 W/(m 2·K), proving that this type of condenser can markedly enhance the condensation heat transfer of R407C. 【基金】 广州市重点攻关项目的资助 (编号 :99-Z -10 5 -0 1)