Chunxun He
Current Organizations / Institutes
The organizations/institutes from the scholar's latest article
Research Subjects
Chunxun He has a total of 5 co-authors. Here are the top co-authors by number of shared publications:
- Chaoyue Wang
College of Water Resources and Civil Engineering, China Agricultural University, Beijing, China
1 shared publication - Dan Zi
China Agricultural University
1 shared publication - Fujun Wang
College of Water Resources & Civil Engineering, China Agricultural University, Beijing 100083, China
1 shared publication - Hao Wang
College of Water Resources and Intelligence Engineering, China Agricultural University, Haidian District, Beijing 100083, China
1 shared publication - Liangliang Du
Dongyang Water Investment Group Co., Ltd., Dongyang 322103, China
1 shared publication
Latest Publications
- Open Access
Construction and Validation of a Dynamics-Driven Boundary-Responsive Model for Sediment Deposition in Pumping Station Forebay
Pumping stations serve as critical hydraulic infrastructure for water conveyance and irrigation. Sediment deposition in forebays can deteriorate intake flow conditions, increase hydraulic losses, reduce pumping efficiency, and consequently impair the long-term operational performance of pumping systems. To accurately predict sediment deposition in complex three-dimensional flow fields, we developed a dynamics-driven boundary-responsive numerical model that integrates sediment particle dynamics with real-time bed evolution. This model adopts the near-bed vertical velocity of sediment particles as the deposition discrimination criterion and dynamically updates bed topography via a mass-conservation-based boundary response strategy. The proposed method was validated against open-channel experimental data. The simulated flow structures, deposition patterns, and temporal variations in deposition thickness agreed well with the measurements, with average deviations below 4%. Compared with conventional static-boundary numerical methods, the proposed model reproduces the coupled evolution of sediment transport, flow redistribution, and bed deformation with higher fidelity. The developed framework provides an effective numerical tool for sediment deposition prediction and offers practical support for hydraulic structure optimization, maintenance scheduling, and energy-efficient operation of pumping stations with sediment-laden flow.
Open AccessConstruction and Validation of a Dynamics-Driven Boundary-Responsive Model for Sediment Deposition in Pumping Station Forebay
Pumping stations serve as critical hydraulic infrastructure for water conveyance and irrigation. Sediment deposition in forebays can deteriorate intake flow conditions, increase hydraulic losses, reduce pumping efficiency, and consequently impair the long-term operational performance of pumping systems. To accurately predict sediment deposition in complex three-dimensional flow fields, we developed a dynamics-driven boundary-responsive numerical model that integrates sediment particle dynamics with real-time bed evolution. This model adopts the near-bed vertical velocity of sediment particles as the deposition discrimination criterion and dynamically updates bed topography via a mass-conservation-based boundary response strategy. The proposed method was validated against open-channel experimental data. The simulated flow structures, deposition patterns, and temporal variations in deposition thickness agreed well with the measurements, with average deviations below 4%. Compared with conventional static-boundary numerical methods, the proposed model reproduces the coupled evolution of sediment transport, flow redistribution, and bed deformation with higher fidelity. The developed framework provides an effective numerical tool for sediment deposition prediction and offers practical support for hydraulic structure optimization, maintenance scheduling, and energy-efficient operation of pumping stations with sediment-laden flow.