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Fluent-based Impact Analysis of Rigid Non-submerged Vegetation Arrangement on Surface Water Flow
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Wen-jun WANG, Sheng-tang ZHANG, Jing-zhou ZHANG, Chuan-tao WANG, Li-jun MA, Li-li ZHANG
Water Resources and Power | 2023, 41(5) : 34 - 37
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Water Resources and Power | 2023, 41(5): 34-37
• HYDROLOGY, WATER RESOURCES AND ENVIRONMENT •
Fluent-based Impact Analysis of Rigid Non-submerged Vegetation Arrangement on Surface Water Flow
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Wen-jun WANG, Sheng-tang ZHANG, Jing-zhou ZHANG, Chuan-tao WANG, Li-jun MA, Li-li ZHANG
Affiliations
  • College of Earth Science and Engineering, Shandong University of Science and Technology, Qingdao 266590, China
Published: 2023-05-25 doi: 10.20040/j.cnki.1000-7709.2023.20221375
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In order to study the effect of arrangement of non-submerged rigid vegetation on surface flow hydraulic characteristics, this paper established a hydraulic model based on the actual situation. The average vegetation was evenly arranged as the control group, the vegetation was arranged in a strip pattern and the distance between the strips increased in multiples of 1.333, 1.667, 2.000, 2.333, 2.667, while the distance within the strips decreased by 0.833, 0.667, 0.500, 0.333, 0.167 as the experimental group. The numerical simulation based on Fluent verified the effects of changes in the arrangement of vegetation with the 5% coverage (210 plants) on the water flow and hydraulic characteristics. The results show that the vegetation coverage was the same and the vegetation arrangement tended to be uniform. Under the influence of water depth, the flow rate decreased, and the Reynolds stress in the lower half of the water depth increased. The surface flow rate on the non-submerged vegetation decreased, and the turbulent flow increased. The water energy is consumed to prevent water and reduce the erosion of water surface. This study provides reference for flood control and disaster reduction.

vegetation coverage  /  distribution pattern  /  numerical modeling  /  flow regime  /  hydraulic characteristics  /  flood control and disaster mitigation
Wen-jun WANG, Sheng-tang ZHANG, Jing-zhou ZHANG, Chuan-tao WANG, Li-jun MA, Li-li ZHANG. Fluent-based Impact Analysis of Rigid Non-submerged Vegetation Arrangement on Surface Water Flow[J]. Water Resources and Power, 2023 , 41 (5) : 34 -37 . DOI: 10.20040/j.cnki.1000-7709.2023.20221375
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Year 2023 volume 41 Issue 5
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Article Info
doi: 10.20040/j.cnki.1000-7709.2023.20221375
  • Receive Date：2022-07-06
  • Online Date：2026-01-28
  • Published：2023-05-25
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  • Received：2022-07-06
  • Revised：2022-08-01
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    College of Earth Science and Engineering, Shandong University of Science and Technology, Qingdao 266590, 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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