2011年4月2日 · Kaplan turbine is a complete reaction turbine that works based on the lift force generated on the impeller blades due to its aerofoil shape [29]. The working process of the Kaplan turbine is similar to the propeller-type turbine along with adjustable runner blades so that it can work smoothly at vortices and shocks during partial load conditions.

2022年12月1日 · Overall, the inlet and outlet angles of the blades presented a significant impact on the Kaplan turbine's power generation performance. Eventually, a comprehensive comparison of the theoretical, CFD-theoretical and CFD-optimised designs are presented with possible recommendations for improving the power generation efficiency of a Kaplan turbine.

2022年11月1日 · Cavitation generally causes a decrease in efficiency and vibrations to a Kaplan turbine, but effectively identifying cavitation state is quite difficult. In this paper, a comprehensive test system consisting of a high-speed camera and a vibration testing system has been constructed based on a high-precision universal hydraulic machinery test stand.

2023年11月20日 · The Kaplan turbine runner is a complex multibody system consisting of various components such as blades, runner hub, blade lever, blade link, fork ear, crosshead, and piston rod, as shown in Fig. 5 (a).

2021年1月1日 · In present study a typical small hydro project having Kaplan based turbine is taken up and design of conventional and modified fish turbine has been discussed. Further, cost estimation along with optimum design has been proposed.

2023年11月20日 · Abstract Low head hydraulic resources are important renewable energy, while the Kaplan turbine is an important equipment for developing it, and it provides important references for the development of tidal energy unit. The flow characteristics and the dynamic behavior of a prototype Kaplan turbine in full operating conditions have been analyzed on the …

2024年4月1日 · Maintaining Kaplan turbine-based hydropower plants (HEPs) involves a comprehensive set of tasks to ensure the efficient and reliable operation of the turbine. The maintenance begins with the dewatering and sealing gates, then opening the draft tube and spiral casing windows for access.

2019年3月1日 · In this paper, an uncommon failure of a Kaplan turbine blade has been analyzed. After the monitoring system detected a sudden increase in vibration le…

2022年12月1日 · Kaplan turbine is widely used in the low head hydropower station for its flexible adjustment of the blade and guide vane angle to obtain the high efficiency in a wide operation regime [1].

2024年6月1日 · A Kaplan turbine unit from a new powerplant experienced high levels of vibrations and noise during the acceleration of the unit to nominal speed. Thes…