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Multi-objective Optimization of A New Savonius-type Impeller Parameters with Slots
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Zhuang-zhuang YANG1, 2, Rui-yin SONG2, Bo-yu LIU2, 3, Cong-jie REN2, Zuan LIN2, Yong SHENG1, 2
Water Resources and Power | 2023, 41(12) : 203 - 206
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Water Resources and Power | 2023, 41(12): 203-206
• ELECTROMECHANICS AND CONTROL ENGINEERING •
Multi-objective Optimization of A New Savonius-type Impeller Parameters with Slots
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Zhuang-zhuang YANG1, 2, Rui-yin SONG2, Bo-yu LIU2, 3, Cong-jie REN2, Zuan LIN2, Yong SHENG1, 2
Affiliations
  • 1.School of Mechanical and Energy Engineering, Zhejiang University of Science and Technology, Hangzhou 310023, China
  • 2.NingboTech University, Ningbo 315100, China
  • 3.School of Mechanical Engineering, Zhejiang University, Hangzhou 310030, China
Published: 2023-12-25 doi: 10.20040/j.cnki.1000-7709.2023.20230416
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A new type of MBC impellerr with a guide vane slot structure was proposed to improve the energy capture and wave reduction efficiency of Savonius-type (S-type) impeller. A multi-objective optimization algorithm combined BP neural network, NSGA-Ⅱ, numerical simulation and experimental test was used to optimize five parameters of the MBC impeller including overlap ratio, gap ratio, internal and external arc angle, internal arc radius, and guide vane size. The performance of the optimal MBC impeller was compared with that of the S-type and MB-type impellers. The results show that the prediction error of the relevant performance values is less than 10% compared to the actual values, verifying the good performance of the established prediction model. The obtained optimal parameters are: overlap ratio of 0.136, gap ratio of 0.003, internal and external arc angle of 5.23°, internal arc radius of 41.42 mm, and guide vane size of 2.83 mm. Compared with the traditional S-type impeller, the optimal MBC impeller has increased energy capture efficiency by 35.8% and wave reduction efficiency by 11%.

Savonius-type impeller  /  BP neural network  /  NSGA-Ⅱ genetic algorithm  /  multi-objective optimization
Zhuang-zhuang YANG, Rui-yin SONG, Bo-yu LIU, Cong-jie REN, Zuan LIN, Yong SHENG. Multi-objective Optimization of A New Savonius-type Impeller Parameters with Slots[J]. Water Resources and Power, 2023 , 41 (12) : 203 -206 . DOI: 10.20040/j.cnki.1000-7709.2023.20230416
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Year 2023 volume 41 Issue 12
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Article Info
doi: 10.20040/j.cnki.1000-7709.2023.20230416
  • Receive Date：2023-03-20
  • Online Date：2026-01-28
  • Published：2023-12-25
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History
  • Received：2023-03-20
  • Revised：2023-04-12
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Affiliations
    1.School of Mechanical and Energy Engineering, Zhejiang University of Science and Technology, Hangzhou 310023, China
    2.NingboTech University, Ningbo 315100, China
    3.School of Mechanical Engineering, Zhejiang University, Hangzhou 310030, 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
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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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