• 主题
高级搜索  >
历史搜索 清空历史
首页> 美国政府科技报告 >Smooth- and Enhanced-Tube Heat Transfer and Pressure Drop: Part 1: Effect ofPrandtl Number with Air, Water, and Glycol/Water Mixtures
【24h】

Smooth- and Enhanced-Tube Heat Transfer and Pressure Drop: Part 1: Effect ofPrandtl Number with Air, Water, and Glycol/Water Mixtures

机译：光滑和增强管传热和压降：第1部分：普朗特数与空气，水和乙二醇/水混合物的影响

获取原文
页面导航
  • 摘要
  • 著录项
  • 相似文献
  • 相关主题

摘要

An extensive experimental investigation was carried out to determine the pressuredrop and heat transfer characteristics in laminar, transitional, and turbulent flow through one smooth tube and twenty-three enhanced tubes. The working fluids for the experiments were air, water, ethylene glycol, and ethylene glycol/water mixtures; Prandtl numbers (1%-) ranged from 0.7 to 125.3. The smooth-tube experiments were carried out with Pr values of 0.7, 6.8, 24.8, 39.1, and 125.3; Pr values of 0.7, 6.8, and 24.8 were tested with enhanced tubes. Reynolds number (Re) range (based on the maximum internal diameter of a tube) was 200 to 55,000, depending on Prandtl number and tube geometry. The results are presented and discussed in this paper.

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