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| 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 |
| Fu-you Tian, Lian-feng Huang, Li-wu Fan, Hong-liang Qian, Jia-xi Gu, Zi-tao Yu, Ya-cai Hu, Jian Ge, Ke-fa Cen |
| Institute of Thermal Science and Power Systems, School of Energy Engineering, Zhejiang University, Hangzhou 310027, China; State Key Laboratory of Clean Energy Utilization, Zhejiang University, Hangzhou 310027, China; Key Laboratory of Refrigeration and Cryogenic Technology of Zhejiang Province, Zhejiang University, Hangzhou 310027, China; Institute of Architectural Technologies, School of Civil Engineering and Architecture, Zhejiang University, Hangzhou 310058, China |
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Abstract 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.
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Received: 14 April 2015
Published: 02 February 2016
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Cite this article:
Fu-you Tian, Lian-feng Huang, Li-wu Fan, Hong-liang Qian, Jia-xi Gu, Zi-tao Yu, Ya-cai Hu, Jian Ge, Ke-fa Cen. 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. Journal of Zhejiang University-SCIENCE A (Applied Physics & Engineering), 2016, 17(2): 89-100.
URL:
http://www.zjujournals.com/xueshu/zjus-a/10.1631/jzus.A1500088 OR http://www.zjujournals.com/xueshu/zjus-a/Y2016/V17/I2/89
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