Optimal Design of a Micro Reversible Pump Turbine for Balancing Generation Mode and Storage Mode

Energy Science & Engineering, Год журнала: 2025, Номер unknown

Опубликована: Фев. 18, 2025

ABSTRACT The inefficiency of traditional micro horizontal pump units (double‐suction centrifugal pumps) when operating in reverse mode as water turbines has hindered their application pumped storage systems. In response, this study proposes an optimization approach integrating Bezier curve control, bidirectional weighting, and genetic algorithms (GA) based on computational fluid dynamics (CFD) to enhance the reversible high‐efficiency performance double‐suction pumps. control is employed regulate blade meridional line, enabling construction a weighted objective function tailored for two modes. Subsequently, optimal parameter combinations are sought through GA optimization. Additionally, research presents design considerations suction/pressurization chamber volute reduce influence secondary factors unit efficiency. resulting pump‐turbine, optimized parameters, not only maintains high efficiency but also achieves comparable levels generation mode. Model testing simulation analysis internal flow validate efficacy feasibility proposed strategy, facilitating integration pump‐turbines into

Язык: Английский

Study on the dynamic energy conversion mechanisms of a vertical mixed-flow pump under pump-as-turbine conditions

Energy Conversion and Management, Год журнала: 2025, Номер 332, С. 119765 - 119765

Опубликована: Апрель 7, 2025

Язык: Английский