Arid
DOI10.1111/sed.13225
Rheological sand bed generates non-rebounding particles
Wang, Zhengshi; Li, Zhi; Jia, Shuming
通讯作者Jia, SM
来源期刊SEDIMENTOLOGY
ISSN0037-0746
EISSN1365-3091
出版年2024
英文摘要Wind-blown sand movements induce desertification and cause various environmental problems. This study investigates the rebound probability of sand particles during sand transport. The widely used rebound probability models are essentially empirical and the mechanism that generates non-rebounding particles remains unclear. By tracking the grain-bed collision process of impact particles in steady-state sand flows, it was observed that non-rebounding particles undergo repetitive collisional momentum losses within the rheological layer of the sand bed. Therefore, rebound probability models based on the incident velocity and angle cannot realistically describe rebound probability. Furthermore, the rheological sand bed produces numerous rebound particles with a coefficient of restitution above 1.0, converting the normal distribution of the coefficient of restitution into a lognormal distribution pattern with considerably larger variances. The new insights into aeolian rebounds gained through this study are expected to reduce the uncertainties in sand flux predictions.
英文关键词Coefficient of restitution non-rebounding particles rebound probability rheological sand bed wind-blown sand movement
类型Article ; Early Access
语种英语
开放获取类型Bronze
收录类别SCI-E
WOS记录号WOS:001285932000001
WOS关键词COLLISIONS ; TRANSPORT ; WIND ; VELOCITY ; GRAINS ; SPEED ; SLOPE ; MODEL
WOS类目Geology
WOS研究方向Geology
资源类型期刊论文
条目标识符http://119.78.100.177/qdio/handle/2XILL650/405620
推荐引用方式
GB/T 7714
Wang, Zhengshi,Li, Zhi,Jia, Shuming. Rheological sand bed generates non-rebounding particles[J],2024.
APA Wang, Zhengshi,Li, Zhi,&Jia, Shuming.(2024).Rheological sand bed generates non-rebounding particles.SEDIMENTOLOGY.
MLA Wang, Zhengshi,et al."Rheological sand bed generates non-rebounding particles".SEDIMENTOLOGY (2024).
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