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Motion of Irregular Coarse Particles in Vertical Pipelines During Deep Sea Mining
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Ming XU1, 2, Jiangmin XU2, Daohua LU2, Yanbing TANG2
Mining and Metallurgical Engineering | 2023, 43(3) : 42 - 46
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Mining and Metallurgical Engineering | 2023, 43(3): 42-46
• MINING •
Motion of Irregular Coarse Particles in Vertical Pipelines During Deep Sea Mining
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Ming XU1, 2, Jiangmin XU2, Daohua LU2, Yanbing TANG2
Affiliations
  • 1.School of Mechanical Engineering, Jiangsu University of Science and Technology, Zhenjiang 212000, Jiangsu, China
  • 2.Research Institute of Marine Equipment, Jiangsu University of Science and Technology, Zhenjiang 212003, Jiangsu, China
Published: 2023-06-01 doi: 10.3969/j.issn.0253-6099.2023.03.010
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The motion of spherical, tetrahedral and hexahedral particles flowing in a vertical pipe under different working conditions was simulated by using computational fluid dynamics-discrete element method (CFD-DEM), and the motion of irregular particles flowing in a vertical pipe was obtained. Based on comparison of local concentration and local flow rate, it is found that with lower flow rate at the inlet, the shape of particles can bring a larger influence to local concentration; while with a higher feed concentration and lower inlet flow rate, the shape of particles can bring obvious influence to local flow rate.

deep sea mining  /  group of particles  /  pipeline transportation  /  vertical lift  /  irregular coarse particles  /  CFD-DEM
Ming XU, Jiangmin XU, Daohua LU, Yanbing TANG. Motion of Irregular Coarse Particles in Vertical Pipelines During Deep Sea Mining[J]. Mining and Metallurgical Engineering, 2023 , 43 (3) : 42 -46 . DOI: 10.3969/j.issn.0253-6099.2023.03.010
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Article Info
doi: 10.3969/j.issn.0253-6099.2023.03.010
  • Receive Date：2022-12-03
  • Online Date：2026-03-05
  • Published：2023-06-01
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  • Received：2022-12-03
Affiliations
    1.School of Mechanical Engineering, Jiangsu University of Science and Technology, Zhenjiang 212000, Jiangsu, China
    2.Research Institute of Marine Equipment, Jiangsu University of Science and Technology, Zhenjiang 212003, Jiangsu, China
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表12种不同金属材料的力学参数
科
Family		 属数
Number of
genus		 种数
Number of
species		 占总种数比例
Percentage of
total species (%)		 属
Genus		 种数
Number of
species		 占总种数比例
Percentage of total
species (%)
鹅膏菌科Amanitaceae 2 11 5.26 鹅膏菌属 Amanita 10 4.78
小菇科 Mycenaceae 2 12 5.74 丝盖伞属 Inocybe 5 2.39
多孔菌科 Polyporaceae 8 14 6.70 蜡蘑属 Laccaria 5 2.39
红菇科 Russulaceae 3 23 11.00 小皮伞属 Marasmius 6 2.87
小菇属 Mycena 11 5.26
光柄菇属 Pluteus 5 2.39
红菇属 Russula 17 8.13
栓菌属 Trametes 5 2.39
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