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十六烷基三甲基氯化铵减阻流动实验

Experimental study on drag-reducing flow with cetyltrimethyl ammonium chloride

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【Author】 ZHU Meng-sheng1,WANG Yue1,CAO Hui-zhe1,CAI Wei-hua2,3,CEN Ren-hai1,ZOU Ping-hua1(1.School of Municipal and Environmental Engineering,Harbin Institute of Technology,150090 Harbin,China; 2.School of Energy Science and Engineering,Harbin Institute of Technology,150001 Harbin,China; 3.School of Civil Engineering,Harbin Institute of Technology,150090 Harbin,China)

【机构】哈尔滨工业大学市政环境工程学院；哈尔滨工业大学能源科学与工程学院；哈尔滨工业大学土木工程学院；

【摘要】为了分析湍流减阻技术的可行性,探索减阻效果与溶液温度、浓度和流动雷诺数的关系及减阻水溶液的抗剪切特性,对阳离子表面活性剂十六烷基三甲基氯化铵(CTAC)水溶液进行减阻实验.结果表明,CTAC水溶液具有较强的抗剪切能力,但在高温条件下(70℃)减阻现象消失.CTAC水溶液减阻技术应用在集中供热/供冷系统中,尤其在地板辐射采暖系统中是可行的.更多还原

【Abstract】 To analyze the feasibility of turbulent drag-reducing technique,and explore the relationship between drag reduction and solution temperature,concentration and flow Reynolds number and the characteristics of resisting the shear,cetyltrimethyl ammonium chloride(CTAC) aqueous solution have been investigated experimentally in this paper.The experimental results show that CTAC aqueous solution has strong ability of resisting the shear,and the drag-reducing effect of CTAC aqueous solution disappears when the solution temperature reaches 70 ℃.The experimental results will provide the important reference value and instruction meaning for the application of CTAC aqueous solution in a district heating/cooling(DHC) system,especially in the radiant floor heating(RFH) system.更多还原

【关键词】 CTAC水溶液；减阻；抗剪切；节能；
【Key words】 CTAC aqueous solution； drag reduction； resisting the shear； energy saving；

【基金】国家自然科学基金资助项目(10872060);中国博士后基金资助项目(2011M500652);哈尔滨工业大学科研创新基金(HIT.NSRIF.2012070)

【文献出处】哈尔滨工业大学学报 ,Journal of Harbin Institute of Technology , 编辑部邮箱 ,2012年06期

【分类号】O357
【被引频次】4
【下载频次】185

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