Results 41 to 50 of about 1,516 (227)
Deep Underground Science and Engineering, EarlyView.This study demonstrates the feasibility of an underground closed‐loop thermal storage facility at a post‐mining site, intended for seasonal heat energy storage. Its principal design shows water flow directions in winter and summer (1, 2), heat pumps (3), an upper water reservoir (4), and connecting pipes (5).
Dmytro Rudakov, Oleksandr Inkin
wiley +1 more source
OPERATING THE OIL PRODUCTION FACILITY WITH SOLAR AND WIND GENERATOR [PDF]
Fiabilitate şi Durabilitate, 2017 In this paper we present an analysis of theoretical concepts very common nowadays, photovoltaic and wind turbines, but also a practical part where I presented a hybrid (photovoltaic-wind) to power a pump extraction cavitation progressive.
Marius STAN
doaj
ENERGY &ENVIRONMENTAL MATERIALS, EarlyView.This paper explores global solar PV deployment, cost trends, and grid integration challenges in 2025. It examines the role of energy storage in firming solar output and supporting electric vehicle (EV) growth, alongside policy shifts, investment flows, and technological innovations.
Ehsan Rezaee, S. Ravi P. Silva
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Optimized Dual ANN Control Technique for Efficient Energy Management System (EMS) of Microgrid
Energy Science &Engineering, EarlyView.Proposed methodology. ABSTRACT The escalating global energy demand necessitates a shift towards sustainable and environmentally friendly alternatives. While renewable energy sources like solar and wind energy offer promising solutions, their intermittent nature poses significant challenges for grid integration.
Bin Li +5 more
wiley +1 more source
Energy Science &Engineering, EarlyView.Integration of a steam cycle with an existing gas turbine increased efficiency from 32% to 51%, reducing fuel consumption by 21.4% and CO2 emissions by 18.6%. The modification generated USD 13.9 million annual savings and lowered the Levelized Cost of Energy to 38.7 USD/MWh, with a 3‐year payback.
Vahid Pirouzfar +2 more
wiley +1 more source
Journal of Applied Fluid Mechanics, 2016 Comparing with conventional hydraulic turbine (e.g. Francis turbine), pump turbine shows significant unstable characteristics because its design is a compromise between a pump and a turbine.
J. T. Liu, Yulin Wu, Yong Li
doaj
Engineering Applications of Computational Fluid MechanicsHydraulic excitation causes abnormal head-cover vibration in some pump-turbines, particularly as design heads continue to rise. Pump-turbines with heads exceeding 600 m have reported such vibrations in pump mode, and it is urgent to reveal the reasons. A
Song Xue +8 more
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Energy Science &Engineering, EarlyView.A deep reinforcement learning–based control architecture is proposed to coordinate heat pumps, thermal storage, renewable energy, and demand response in data center waste heat recovery systems. The agent learns optimal control actions from system states and reward feedback to achieve electrical–thermal co‐optimization under realistic operational ...
Rendong Shen +5 more
wiley +1 more source
Energy Science &Engineering, EarlyView.An AI‐driven CNN–LSTM forecasting framework is integrated with HOMER Pro to optimally design a grid‐connected PV–wind–BESS microgrid for a rural school in Bangladesh, achieving 91.7% renewable penetration, low energy cost (0.0397 USD/kWh), and an 81.5% reduction in CO2 emissions. ABSTRACT Hybrid renewable microgrid planning in HOMER Pro often relies on
Robiul Khan +5 more
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Advances in Mechanical Engineering, 2017 Most centrifugal pumps with low specific speed are designed using the method of increasing the flow rate; by this, each designer selects different flow rate amplification coefficients for the pumps.
Guangtai Shi +3 more
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