Results 231 to 240 of about 95,397 (283)

Ground‐ and Excited‐State Mixed Valency in a 4,4′‐Bipyridine‐Bridged Bimetallic Di‐Ruthenium Complex

European Journal of Inorganic Chemistry, EarlyView.
Photoinduced mixed‐valence interactions across a 4,4′‐bpy bridge were studied. MLCT excited states in the bimetallic complex are longer‐lived than in the monometallic reference, thanks to metal–metal electronic coupling and hole delocalization, but are still shorter than the nanosecond timescale relevant for diffusional reactivity.
Ivana Ramírez‐Wierzbicki, Frank W. Heinemann, Leonardo D. Slep, Alejandro Cadranel   +3 more
wiley   +1 more source

A time-fractional model of hydromagnetic slip flow of viscous fluid in rotational frame with heat and mass transfer. [PDF]

Sci Rep
Ahmad S, Ali F, Khan I, Khan N, Alqasem OA, Elwahab MEA, Omer ASA.   +6 more
europepmc   +1 more source

Modeling and Power Regulation Strategy of Variable‐Speed Pumped Storage Unit With Full‐Size Converter in Pump Mode

Energy Science &Engineering, EarlyView.
A numerical model of variable‐speed pumped storage unit (VSPSU) with full‐size converter (FSC) under fast speed control strategy is established. Additionally, the correctness of the model was validated by comparing with SIMSEN simulation results and text prototype data from NARI.
Weijia Yang, Peilin Wu, Zixuan Shao, Yiwen Liao, Yufei Teng, Huabo Shi   +5 more
wiley   +1 more source

Effects of pulsating flow frequency and dimensionless amplitude on the thermal performance of SEGS LS-2 parabolic trough solar collector. [PDF]

Sci Rep
Ferdosnia S, Mirzaee I, Abbasalizadeh M, Khalilian M.   +3 more
europepmc   +1 more source

Design of a Hydroelectronic Solar‐Tracking System for Solar Panels

Energy Science &Engineering, EarlyView.
A prototype of a passive solar‐tracking system utilizing buoyant force based on water level was developed, and its MATLAB/Simulink model was implemented. This study is expected to encourage researchers to design solar‐tracking mechanisms using metals with different thermal expansion coefficients, air, oil, and other fluids. ABSTRACT This study presents
Ufuk Süğürtin, Türker Fedai Çavuş
wiley   +1 more source

Temperature sensitivity analysis and service performance evaluation of aqueduct arch ring beam structures based on finite element method. [PDF]

Sci Rep
Chen W, Shen Z, Tang J, Jiang W, Fang B.
europepmc   +1 more source

Robust Control Using a Matrix Converter to Enhance Wind Turbine Systems

Energy Science &Engineering, EarlyView.
This study uses a more efficient and effective solution to improve the operational performance of a wind turbine‐based power system. This system uses a doubly fed induction generator and relies on a matrix converter and fractional‐order proportional–integral controller.
Sihem Ghoudelbourk, Habib Benbouhenni, Adil Yahdou, Zakaria Mohamed Salem Elbarary, Nicu Bizon   +4 more
wiley   +1 more source

Contrasting boundary-layer energy budgets during daytime, nighttime, and compound heatwaves in eastern China. [PDF]

iScience
Duan Z, Fan S, Zhang Y, Ji T.
europepmc   +1 more source

Real‐Time Data‐Driven Fault Diagnosis of Photovoltaic Arrays Using an Edge‐Server Machine‐Learning Framework

Energy Science &Engineering, EarlyView.
A real‐time, data‐driven framework detects and classifies photovoltaic array faults using edge sensing and server‐side machine learning. Ensemble tree models achieve near‐perfect accuracy with low latency, enabling practical, low‐cost deployment for reliable PV monitoring and intelligent maintenance.
Premkumar Manoharan, Sowmya Ravichandran, Deepak Kumar Sinha, Chandran Ramakrishnan, Omar Almomani   +4 more
wiley   +1 more source

Transient flow and heat transfer of CuO-Al₂O₃/H₂O hybrid nanofluid flow over a radially stretching surface with dissipation and ohmic heating. [PDF]

Discov Nano
Ragavi M, Poornima T, Sreenivasulu P.
europepmc   +1 more source