Results 11 to 20 of about 391 (138)
Advances in research on impulse hydro‐turbine technology
River, EarlyView.Abstract To accelerate the development of impulse hydro‐turbines and support the efficient utilization of hydropower resources in Southwest China, this paper examines the background, historical development, and research progress of impulse hydro‐turbines.
Xiaochao Li +7 more
wiley +1 more source
Engineering Reports, Volume 8, Issue 3, March 2026.From the reviews, a new concept of a low‐speed centrifugal pump (LSCP) driven by a vertical ultra‐low‐head hydro turbine (VULHT) was designed and tested on simulation and physical setup. It was performed with a 1.8 m delivery head, concluding as inefficient. For ultra‐low‐head conditions, different than centrifugal action is recommended.
Raj Kumar Chaulagain +4 more
wiley +1 more source
On Wind Directions Estimated by Nacelle Lidar Under Different Reconstruction Methods
Wind Energy, Volume 29, Issue 3, March 2026.ABSTRACT The wind direction is closely linked to the power performance and structural loads of wind turbines. Conventional nacelle‐mounted vanes or sonic anemometers face errors associated with airflow distortions caused by turbine blades. Nacelle‐mounted lidar systems offer line‐of‐sight speed measurements from multiple positions ahead of the rotor ...
Feng Guo +7 more
wiley +1 more source
High‐Speed, Maneuverable, and Terrain‐Adaptive Micro‐Robot with Tree Frog‐Inspired Bionic Feet
Advanced Science, Volume 13, Issue 7, 3 February 2026.A 7.5 mm micro‐robot integrates tree frog‐inspired bionic feet with an electromagnetic linear motor to achieve high‐speed locomotion, slope climbing, and precise turning. It reaches 39 body lengths per second and ascends 30° slopes. The system demonstrates strong potential for inspection tasks in confined and complex environments, such as micro‐aero ...
Weizhi Zhao +10 more
wiley +1 more source
Energy Science &Engineering, Volume 14, Issue 2, Page 764-779, February 2026.Based on entropy theory, this study presents a comparative numerical analysis of the flow energy dissipation (FED) in a VTSP under two distinct operating conditions: pump condition and turbine condition, both characterized by relatively high hydraulic efficiencies of 88.9% and 87.4%, respectively. In pump condition, the highest FED production occurs in
S. Liu +5 more
wiley +1 more source
Estimation of the GCV of Coal Using Real‐Time Plant Data
Energy Science &Engineering, Volume 14, Issue 2, Page 905-915, February 2026.ABSTRACT Online or real‐time strategies of estimating the gross calorific value (GCV) of coal are still not fully explored in academic literature, even though both conventional and sophisticated offline methods for estimating the GCV are well described.
Lethukuthula Nokwazi Vilakazi +1 more
wiley +1 more source
Chemistry–Methods, Volume 6, Issue 1, January 2026.A high‐pressure shock‐tube facility is developed to investigate high‐temperature chemical‐kinetics for next‐generation combustion systems. The design enables extended test times and integrates multiple optical diagnostics for time‐resolved species detection.
Sulaiman A. Alturaifi +8 more
wiley +1 more source
Energy Science &Engineering, Volume 14, Issue 1, Page 300-321, January 2026.Layout of the synchronous operation of THSRRs. ABSTRACT This paper focuses on the stability of synchronous operation (SSO) of three‐stage hydropower stations cascaded by regulating reservoirs (THSRRs). Firstly, the model of synchronous operation of THSRRs is established. According to the model, the Hopf bifurcation theory is utilized to analyze the SSO
Min Huang, Wencheng Guo
wiley +1 more source
Wind Energy, Volume 29, Issue 1, January 2026.ABSTRACT In computational fluid dynamics (CFD) models, it is generally assumed that the atmospheric stability is constant throughout the entire domain. Furthermore, CFD models perform simulations for each wind direction separately. However, atmospheric stability, both onshore and offshore, varies daily and also exhibits diurnal variation. In this study,
Ryuta Shizui +2 more
wiley +1 more source
IET Renewable Power Generation, Volume 20, Issue 1, January/December 2026.This review synthesizes academic works on hybridized hydropower systems, focusing on control strategies and energy storage sizing to address objectives such as operational cost reduction (wear mitigation in Kaplan/Francis turbines), revenue enhancement through primary frequency regulation, and resilience improvements like black‐start capability.
Viktor Döhlen +2 more
wiley +1 more source