- Algebraic structures and combinatorial models
- Advanced Topics in Algebra
- Cavitation Phenomena in Pumps
- Nonlinear Waves and Solitons
- Hydraulic and Pneumatic Systems
- Water Systems and Optimization
- Hydraulic flow and structures
- Homotopy and Cohomology in Algebraic Topology
- Rings, Modules, and Algebras
- Advanced Operator Algebra Research
- Oil and Gas Production Techniques
- Advanced Neural Network Applications
- Finite Group Theory Research
- Advanced Combinatorial Mathematics
- Cloud Computing and Resource Management
- HVDC Systems and Fault Protection
- Fluid Dynamics and Vibration Analysis
- Fluid Dynamics and Turbulent Flows
- High-Voltage Power Transmission Systems
- Power System Reliability and Maintenance
- Human Pose and Action Recognition
- Molecular Biology Techniques and Applications
- Hybrid Renewable Energy Systems
- Caching and Content Delivery
- Lattice Boltzmann Simulation Studies
Zhengzhou City Hospital
2025
Second Xiangya Hospital of Central South University
2024-2025
Central South University
2024-2025
Zhengzhou University
2025
Yangzhou University
2014-2024
Hohai University
2015-2024
Henan University of Science and Technology
2023-2024
Xihua University
2021-2023
Shanxi Medical University
2022-2023
Ministry of Public Security of the People's Republic of China
2023
As a low-cost scheme for small-scale hydropower generation, pump as turbines (PATs) are used at different hydrosites around the world. Nevertheless, big number of recently conducted studies on PAT performance have mainly focused centrifugal type, despite fact that axial-flow type has comparatively large flow capacity, thus disposing higher power density. Therefore, this article seeks to investigate dynamics an and associated energy loss characteristics, under both turbine operating modes. It...
Air-core vortices are a ubiquitous phenomenon in the intakes of hydropower stations. Due to transient and instability two-phase vorticial flow, prediction air-core vortex formation is challenging, understanding mechanism remains elusive. In this study, large eddy simulation (LES) method coupled level-set volume-of-fluid (CLSVOF) performed study benchmark reservoir with horizontal intake pipe. The process can be classified into an inception stage, stability stage. surface repeatedly goes...
Accelerating Convolutional Neural Networks (CNNs) on GPUs usually involves two stages: training and inference. Traditionally, this two-stage process is deployed high-end GPU-equipped servers. Driven by the increase in compute power of desktop mobile GPUs, there growing interest performing inference various kinds platforms. In contrast to requirements high throughput accuracy during stage, end-users will face diverse related tasks. To address emerging trend new requirements, we propose...
Recently, deep learning based approaches have emerged as indispensable tools to perform big data analytics. Normally, models are first trained with a supervised method and then deployed execute various tasks. The involves extensive human efforts collect label the large-scale dataset, which becomes impractical in era where raw is largely un-labeled uncategorized. Fortunately, adversarial learning, represented by Generative Adversarial Network (GAN), enjoys great success on unsupervised...
We compute the Green ring of Taft algebra <inline-formula content-type="math/mathml"> <mml:math xmlns:mml="http://www.w3.org/1998/Math/MathML" alttext="upper H Subscript n Baseline left-parenthesis q right-parenthesis"> <mml:semantics> <mml:mrow> <mml:msub> <mml:mi>H</mml:mi> <mml:mi>n</mml:mi> </mml:msub> <mml:mo stretchy="false">(</mml:mo> <mml:mi>q</mml:mi> stretchy="false">)</mml:mo> </mml:mrow> <mml:annotation encoding="application/x-tex">H_n(q)</mml:annotation> </mml:semantics>...
Abstract Tip leakage flow (TLF) is a typical phenomenon in the internal of axial-flow pumps that has serious impact on their safety and stability. In this study, numerical simulations are performed to investigate influence various tip clearances operating conditions characteristics vortex (TLV) energy loss prototype vertical pump. First, based entropy production theory, TLV-induced quantitatively studied. The rate caused by turbulence dissipation (EPTD), which pulsating velocity, contributes...
The transient characteristic of the power-off process is investigated due to its close relation hydraulic facilities’ safety in a pumped storage hydropower (PSH). In this paper, characteristics PSH station pump mode was studied using three-dimensional (3D) unsteady numerical method based on single-phase and volume fluid (SP-VOF) coupled model. computational domain covered entire flow system, including reservoirs, diversion tunnel, surge tank, pump-turbine unit, tailrace tunnel. fast changing...