Pressure drop in a packed bed with sintered ore particles as applied to sinter coolers with a novel vertically arranged design for waste heat recovery

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• 作者：Fu-you Tian ; Lian-feng Huang ; Li-wu Fan…
• 关键词：Pressure drop ; Porous media ; Sinter cooler ; Sintered ore particle ; Waste heat recovery ; 压降 ; 多孔介质 ; 烧结矿冷却li> 填充床li> 余热回收 ; TK172
• 刊名：Journal of Zhejiang University - Science A
• 出版年：2016
• 出版时间：February 2016
• 年：2016
• 卷：17
• 期：2
• 页码：89-100
• 全文大小：1,232 KB
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• 作者单位：Fu-you Tian (1)
  Lian-feng Huang (1)
  Li-wu Fan (1) (2)
  Hong-liang Qian (1)
  Jia-xi Gu (1)
  Zi-tao Yu (1) (3)
  Ya-cai Hu (1)
  Jian Ge (4)
  Ke-fa Cen (2)
  
  1. Institute of Thermal Science and Power Systems, School of Energy Engineering, Zhejiang University, Hangzhou, 310027, China
  2. State Key Laboratory of Clean Energy Utilization, Zhejiang University, Hangzhou, 310027, China
  3. Key Laboratory of Refrigeration and Cryogenic Technology of Zhejiang Province, Zhejiang University, Hangzhou, 310027, China
  4. Institute of Architectural Technologies, School of Civil Engineering and Architecture, Zhejiang University, Hangzhou, 310058, China
  
• 刊物类别：Engineering
• 刊物主题：Physics
  Mechanics, Fluids and Thermodynamics
  Chinese Library of Science
  
• 出版者：Zhejiang University Press, co-published with Springer
• ISSN：1862-1775

文摘

The pressure drop over a packed bed with sintered ore particles was studied experimentally. The sintered ore particles were characterized to determine their equivalent particle diameter, bed voidage, and sphericity. The pressure drop experiments were performed on unsorted and sieved particles with various size distributions for a superficial velocity up to 2.4 m/s, covering flow regimes from laminar to turbulent. It was shown that the Ergun equation underestimates the pressure drop for such highly irregular-shaped particles by about 40%. The measured modified friction factor was well correlated to a scaled Ergun equation, which was verified to be valid for the modified particle Reynolds number up to 12 000 toward design and optimization of vertically arranged sinter coolers for waste heat recovery. Keywords Pressure drop Porous media Sinter cooler Sintered ore particle Waste heat recovery