Results 101 to 110 of about 70,148 (323)
Energy Science &Engineering, EarlyView.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
End Suction Centrifugal Pump Operating in Turbine Mode for Microhydro Applications
Advances in Mechanical Engineering, 2014 This paper reviews the current research works on the end suction centrifugal pump coupled with induction generator running in turbine mode for microhydro application. The information can be used by practicing engineers, researchers, and plant managers to
Mohd Azlan Ismail +3 more
doaj +1 more source
Transcritical Carbon Dioxide Charge-Discharge Energy Storage with Integration of Solar Energy [PDF]
, 2019 New and improved energy storage technologies are required to overcome non-dispatchability, which is the main challenge for the successful integration of large shares of renewable energy within energy supply systems.
Becerra Villanueva, José Antonio +4 more
core +2 more sources
Energy Science &Engineering, EarlyView.Digital Twin (DT) technology enhances building energy efficiency by enabling continuous monitoring, predictive maintenance, and operational optimization within Building Energy Management Systems. Through real‐time data integration and simulation, DTs provide dynamic feedback loops that optimize performance, reduce operational costs, and improve ...
Suqi Wang +6 more
wiley +1 more source
Investigation of the Starting-Up Axial Hydraulic Force and Structure Characteristics of Pump Turbine in Pump Mode [PDF]
, 2021 Zhongyu Mao +7 more
openalex +1 more source
Energy Science &Engineering, EarlyView.This article introduces an operation strategy utilizing a hydrogen and biomass collaborative energy storage to regulate the power supply and demand. The results show that the system achieves annual average energy and exergy efficiencies of 87.77% and 67.16%, respectively.
Kai Ding, Ximin Cao, Yanchi Zhang
wiley +1 more source
Three-dimensional Unsteady Numerical Simulation of Reversible Flow Passage of Pump Turbine
Chemical Engineering Transactions, 2018 The purpose of this paper is to study the three-dimensional unsteady numeral simulation of the whole flow passage in the reversible pump turbine. To this end, the geometric model was established by CFD numerical simulation method, and the rated flow of ...
Wei Zang
doaj +1 more source
Pump-Turbines in Conventional Hydropower Plants
, 2021 Helene Njølstad Dagsvik +1 more
openalex +1 more source
Energy Science &Engineering, EarlyView.The wind energy potential of Khaf was evaluated for 2025 using 15 years of wind data combined with advanced forecasting models, SARIMAX and Prophet. This integrated framework enables precise estimation of wind power density and optimal turbine selection, paving the way for the efficient and sustainable development of wind farms in the region.
Mohammad Amin Valizadeh +3 more
wiley +1 more source
Energy Science &Engineering, EarlyView.This study presents a new control strategy for doubly fed induction generator (DFIG) wind turbine systems to overcome the limitations of traditional direct field control using proportional‐integral (DFOC‐PI) regulators, which are sensitive to coefficient changes and lead to low power quality.
Hamza Gasmi +5 more
wiley +1 more source