Optical Instruments, Volume. 43, Issue 6, 38(2021)
Comparison of the avalanche process of two shaped particles in a drum
Figures & Tables(10)
Fig. 4. Side view of a granular bed at different times of an avalanche cycle in the drum
Fig. 5. Three different particle temperature signals during intermittent avalanche movement
Fig. 6. The tilt angles of two different shapes of grain accumulation in the drum varying with time
Fig. 7. Probability distribution of double compaction of irregular particles under different filling conditions
Fig. 8. Duration of irregular particle compaction under different filling conditions
Table 1. Particle characteristic parameters
View tableView in ArticleTable 1. Particle characteristic parameters
形状 密度/（kg/m3） 材质 DEQPC /mm DF /mm AR SP Cx 球形 2500 玻璃 0.5±0.03 — — — — 不规则 2500 玻璃 0.5±0.05 0.5±0.04 0.65±0.13 0.85±0.09 0.96±0.02
Table 2. The tilt angles of two different shapes of grain accumulation in the drum
View tableView in ArticleTable 2. The tilt angles of two different shapes of grain accumulation in the drum
颗粒形状 θc θa2 θa31 θa32 θs 球形 26.30°±0.12° — — — 26.91°±0.13° 不规则（单压实） 32.29°±0.20° 34.05°±0.22° — — 36.22°±0.22° 不规则（双压实） 32.90°±0.23° — 34.59°±0.17° 36.21°±0.17° 36.20°±0.21°
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Chun WANG, Ran LI, Quan CHEN, Wenzheng XIU, Hui YANG. Comparison of the avalanche process of two shaped particles in a drum[J]. Optical Instruments, 2021, 43(6): 38
Paper Information
Category: DESIGN AND RESEARCH
Received: Mar. 8, 2021
Accepted: --
Published Online: Jun. 29, 2022
The Author Email: Hui YANG (yanghui@usst.edu.cn)
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