• 主题
高级搜索  >
历史搜索 清空历史
首页> 外文期刊>International Journal of Heat and Mass Transfer >The influence of surfactant and ultrasonic processing on improvement of stability and heat transfer coefficient of CuO nanoparticles in the pool boiling
【24h】

The influence of surfactant and ultrasonic processing on improvement of stability and heat transfer coefficient of CuO nanoparticles in the pool boiling

机译：表面活性剂和超声处理对池沸腾中CuO纳米粒子稳定性和传热系数的影响

获取原文
获取原文并翻译 | 示例
           
页面导航
  • 摘要
  • 著录项
  • 相似文献
  • 相关主题

摘要

The present experimental research studied the effects of SDS surfactant (Sodium Dodecyl Sulfate) and ultrasonic waves on the performance and stability of CuO nanoparticles fluid. CuO solution (deionized water-based) used to increase the boiling heat transfer coefficient. Boiling heat transfer coefficient of fluid increases by the addition of nanoparticles into the fluid, but due to the instability of nanoparticles by increasing temperature and time, nanoparticles are precipitated on the heat transfer surface, leading to a reduction in the boiling heat transfer coefficient To overcome this challenge, two conventional methods were employed including the addition of SDS surfactant (0.05, 0.07 and 0.09 Wt%), and ultrasonic radiation (with 30%, 60%, and 90% of power). The results indicated that the highest enhancement of boiling heat transfer coefficient was achieved 38.93% at nanoparticles concentration of 0.125% along with ultrasonic radiation. Then, by adding of 0.05 wt% surfactant to the solution, the lowest enhancement is obtained 20.11%.
机译：本实验研究研究了SDS表面活性剂（十二烷基硫酸钠）和超声波对CuO纳米颗粒流体的性能和稳定性的影响。 CuO溶液（去离子水基）用于增加沸腾的传热系数。沸腾的传热系数通过将纳米颗粒添加到流体中而增加，但由于纳米颗粒的不稳定性，通过增加温度和时间，纳米颗粒在传热表面上沉淀，导致沸腾的传热系数降低了克服采用这种挑战，使用两种常规方法，包括添加SDS表面活性剂（0.05,0.07和0.09wt％），和超声辐射（30％，60％和90％的功率）。结果表明，沸腾传热系数的最高增强达到了38.93％，纳米颗粒浓度为0.125％以及超声辐射。然后，通过向该溶液中加入0.05wt％的表面活性剂，获得最低增强20.11％。

著录项

相似文献

  • 外文文献
  • 中文文献
  • 专利
获取原文

客服邮箱：kefu@zhangqiaokeyan.com

京公网安备：11010802029741号 ICP备案号：京ICP备15016152号-6 六维联合信息科技 (北京) 有限公司©版权所有

  • 客服微信

  • 服务号