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Earlier sources: Energy
Energy research and engineering concern how power is produced, stored, delivered, and consumed. Follow solar and nuclear power, fusion, geothermal systems, batteries, electricity grids, and changing power demand.
SYMTRI organizes observations from public sources into a living map. Connections reflect shared subject matter; they do not establish causation or endorse a source.
Open in the map ↗748 classified signals in the fourteen-day window. Recent momentum: steady. These counts include signals awaiting readable evidence.
Earlier sources
Up to ten sources with readable evidence, ordered by their feed timestamp. These archive sources can be older than the live fourteen-day window. This list is a sample, not a measure of total activity. Dates distinguish paper publication, repository creation, model/dataset activity, Hacker News posts, and KEV catalog additions. “First archived” records when SYMTRI first stored the signal.
- OpenAlex · Published · First archived
Adaptive evolutionary PID controller using SHADE and L-SHADE for TRIGA mark-II reactor ↗
Abstract This paper proposes a trajectory-tracking PID (TTPID) controller optimized using Success-History Based Adaptive Differential Evolution (SHADE) and its improved variant Linear Population Size Reduction SHADE (L-SHADE) for power regulation of the ITU TRIGA Mark-II research reactor. The main novelty of the study is the integration of adaptive differential evolution mechanisms with a trajectory-tracking PID framework for nuclear reactor power control, which has not previously been reported in the literature. A constrained Integral of Time-Weighted Absolute Error (ITAE) objective function…
- OpenAlex · Published · First archived
Synergistic Heat and Illumination Management in Phase Change Material Assisted Spectral-Splitting Photovoltaic/Thermal Collector Design ↗
Concentrated photovoltaic/thermal (CPV/T) systems remain limited by incomplete spectral control and inadequate thermal decoupling between the photovoltaic cell and the thermal absorber, while most existing models do not fully resolve phase change material (PCM) optical transitions or compare receiver designs under consistent conditions. To address these gaps, this study develops and validates a three-dimensional transient multiphysics CFD model of a CPV/T receiver incorporating a hybrid spectral filter composed of a selective liquid filter (water or propylene glycol) and a PCM layer (RT25 or S…
- OpenAlex · Published · First archived
Unraveling the role of metal composition in glycerate-derived Ni–Co–Mo selenides for oxygen evolution electrocatalysis and electrochemical energy storage ↗
Transition metal selenides are promising electrode materials for electrocatalysis and electrochemical energy storage, yet the influence of metal composition on application-specific performance remains unclear. Herein, mono-, binary-, and trimetallic selenides were synthesized via a glycerate-assisted strategy followed by thermal selenization to systematically investigate composition-dependent electrochemical behavior. Binary CoMo–Se exhibited the best oxygen evolution reaction (OER) activity, delivering overpotentials of 353 and 419 mV at 10 and 50 mA cm −2 , respectively, with favorable react…
- OpenAlex · Published · First archived
Interface-enhanced TiO2@C@CNTs supraspheres enabled by emulsion-assisted co-assembly for high-efficiency lithium-ion storage ↗
Fabrication of nanostructured composites from diverse functional building blocks is of great significance for advanced electrochemical energy storage. However, conventional nanocomposites normally exhibit inferior collective properties owing to insufficient interfacial coupling and weak intercomponent interactions. In this work, carbon nanotubes (CNTs) and needle-shaped TiO 2 crystals were surface-modified with long-chain hydrocarbon ligands, followed by co-assembly into uniform spherical nanocomposites via an emulsion-assisted strategy. After subsequent carbonization, the hydrocarbon chains o…
- OpenAlex · Published · First archived
Strain-rate effects and energy dissipation of frozen rocks under dynamic impact loading ↗
To investigate the dynamic impact response of frozen rocks, this study performed dynamic compression tests on yellow sandstone, white sandstone, and granite under various low temperatures and impact intensities using a modified split Hopkinson pressure bar (SHPB) system, and analyzed the strength, deformation, and energy dissipation characteristics of the three rock types. The results show that low temperature significantly enhances the dynamic compressive strength of the two sandstones, with yellow sandstone being the most strongly affected by temperature. The strength of the specimens exhibi…
- OpenAlex · Published · First archived
AI-Driven Adaptive Smart Grid for Real-Time Energy Optimization and Fault Detection ↗
Abstract: Conventional smart-grid systems often rely on fixed control strategies that have limited ability to respond dynamically to changing electricity demand, renewable-energy variability, equipment degradation, and unexpected faults. This study proposes an AI-Driven Adaptive Smart Grid (AI-ASG) for real-time energy optimization and automated fault detection. The framework integrates machine learning, real-time sensing, adaptive demand-response control, and intelligent fault classification to improve grid efficiency, reliability, and operational responsiveness. A mixed-methods quantitative…
- OpenAlex · Published · First archived
Concentration-dependent back interface passivation with SiO2 nanoparticles for efficient kesterite thin-film solar cells ↗
Back-interface carrier recombination critically limits the open-circuit voltage ( V OC ) of CZTSSe thin-film solar cells. In this work, we systematically tune the back interface between the CZTSSe absorber and the Mo-coated glass substrate by spin-coating a dispersion of SiO 2 nanoparticles at varying concentrations (0%-3.00%). The nanoparticle coverage exhibits a clear concentration dependence, where low concentrations (0.15%-1.50%) improve the absorber crystallinity and back-interface contact, while an excessive concentration (3.00%) forms an insulating layer that severely degrades device pe…
- OpenAlex · Published · First archived
A node-adaptive meta graph learning framework for smart energy systems-digitalizing wildfire risk assessment in renewable-integrated grids ↗
Wildfires pose escalating threats to the resilience of modern power delivery networks, which are increasingly evolving into complex Cyber-Physical Systems (CPS). In these systems, localized infrastructure damage can precipitate catastrophic large-scale outages and cascading failures. Conventional wildfire risk indices, developed for ecological and community safety, fail to account for the geospatial dependencies and operational context relevant to electricity infrastructure. To bridge this gap, we establish a risk assessment framework that converts meteorological variables into a grid-centric…
- OpenAlex · Published · First archived
Role of high-temperature reservoir thermal energy storage during discharge in enhancing steady-state grid stability ↗
The aim of this study is to determine the mechanisms governing reservoir thermal energy storage (RTES) performance and its contribution to grid stability, via a comprehensive numerical analysis. A framework is proposed integrating thermal-hydraulic coupled RTES simulation and power-grid modeling based on linearized AC optimal power flow (LPAC). Using this framework, RTES’s grid stabilization performance is examined under different fluid injection conditions, storage and production schedules, geological conditions, and well configurations. Results indicate that raising hot fluid injection tempe…
- OpenAlex · Published · First archived
Groove angle and quenching medium in shielded metal arc welding of mild steel: Multi-criteria decision analysis, machine learning and energy absorption ↗
Weld groove geometry and post-weld cooling regime are among the least systematically investigated factors influencing the performance of arc-welded joints, and even when they have been studied, the analysis has almost always been limited to a single optimisation criterion. This paper re-examines shielded metal arc welding of AISI/SAE 1020 mild steel across a 55–60° single-V groove range and three quenching media (air, water, palm oil), using six mechanical responses, and advances the analysis in four directions. First, a normalised Type III effect-share analysis establishes the practical rathe…
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How to assess evidence about Energy
Check each original source for its methods, release status, limitations, and supporting data. A repository announcement, a preprint, and a published study provide different kinds of evidence. SYMTRI’s subject classification helps discovery; it does not independently validate the source’s claims.
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