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Study on the flow field uniformity of hydro-floating ship lift combined type hydraulic-driven system based on the residual energy theory

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Abstract

The hydro-floating ship lift originally invented in China is a major innovation in the field of navigation technology. The shaft water levels synchronization of its unique hydraulic-driven system plays a crucial role in reducing the torque of the synchronous shafts and ensuring the safety and stability operation of the ship lift. This study aims to investigate the muti-shaft water level synchronization and the flow velocity uniformity of the combined type hydraulic-driven system. Based on the theory of residual energy, a new index m2 proposed in this study is more suitable for evaluating the flow velocity uniformity of the combined hydraulic-driven system. Finally, the critical value of m2 =75 is calculated via the results of the scaled physical mode test as the threshold of water flow uniformity, and it provides a basis for determining the reasonable height of the pressure stabilizing chamber.

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Authors and Affiliations

  1. State Key Laboratory of Water Resources and Hydropower Engineering Science, Wuhan University, Wuhan, 430072, China

    Bo Wu & Ya-an Hu

  2. State Key Laboratory of Hydrology-Water Resources and Hydraulic Engineering, Nanjing Hydraulic Research Institute, Nanjing, 210029, China

    Bo Wu, Ya-an Hu & Shu Xue

  3. Key Laboratory of Transport Technology in Navigation Building Construction, Nanjing Hydraulic Research Institute, Nanjing, 210029, China

    Bo Wu, Ya-an Hu & Shu Xue

Authors
  1. Bo Wu
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  2. Ya-an Hu
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  3. Shu Xue
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Corresponding author

Correspondence to Ya-an Hu.

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Ethical approval: This article does not contain any studies with human participants or animals performed by any of the authors.

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Compliance with Ethical Standards

Conflict of Interest: The authors declare that they have no conflict of interest.

Informed consent: Informed consent was obtained from all individual participants included in the study.

Biography: Bo Wu (1991-), Male, Ph. D. Candidate

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Wu, B., Hu, Ya. & Xue, S. Study on the flow field uniformity of hydro-floating ship lift combined type hydraulic-driven system based on the residual energy theory. J Hydrodyn 34, 1156–1161 (2022). https://doi.org/10.1007/s42241-022-0079-3

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  • DOI: https://doi.org/10.1007/s42241-022-0079-3

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