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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 ↗704 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
Comprehensive experimental and computational fluid mechanics analysis of flow channel designs for optimizing zinc–bromine redox flow battery performance ↗
Flow-field optimization in zinc–bromine redox flow batteries (Zn–Br RFBs) requires simultaneous control of electrochemical performance, hydraulic energy consumption, and zinc morphology evolution—an interdependence that is absent in non-deposition flow systems. This study presents a three-dimensional multiphysics model, experimentally validated with a root mean square error (RMSE) of ≤5.61% at 10–30 mA cm −2 , designed to systematically assess the effects of various factors, including channel architecture (interdigitated, parallel, serpentine, and spiral), channel number, width, depth, electro…
- OpenAlex · Published · First archived
Optimal supervisory operation of a solar-powered hydrogen and electricity co-generation system integrating SOEC, PEMFC, and dual-stage Rankine cycle ↗
This study proposes a novel polygeneration energy system that operates independently of the grid, producing electricity, hydrogen, and heat as the primary outputs from solar energy. This system comprises the main components of a proton exchange membrane fuel cell (PEMFC), a solar dish collector (SDC), a solid oxide electrolyzer cell (SOEC), and a dual Rankine cycle (DRC). To address the intermittency of solar energy, three operational modes are implemented: Solar-DRC-SOEC, Solar-DRC-PEMFC, and PEMFC. The system is designed to provide a constant amount of electric power equal 110 kW during the…
- OpenAlex · Published · First archived
Dynamic mechanical response and energy dissipation properties of steel fiber-reinforced concrete under high-temperature damage ↗
This study employed a 75 mm segmented Hopkinson pressure rod (SHPB) device to systematically investigate the dynamic mechanical behavior of steel fiber-reinforced concrete (SFRC) under varying impact pressures. By comparing damage patterns, strain rate-dependent efficiency effects, and energy dissipation characteristics across different fiber contents and temperature conditions, a three-dimensional (3D) mesoscale model was established incorporating polyhedral aggregates, mortar, interfacial slip zone (ITZ), and steel fibers. The mechanisms underlying mechanical property changes in steel fiber-…
- OpenAlex · Published · First archived
Degradation of photovoltaic modules at medium voltage with different types of encapsulants ↗
Enhancing the electrical efficiency of photovoltaic (PV) systems, particularly by increasing voltage, improves their performance and cost-effectiveness, while lowering the levelized cost of energy (LCOE). However, as PV modules transition to medium voltage applications (|U| > 1500 V DC ), potential induced degradation (PID) has emerged as a significant challenge in power plant PV systems. At medium voltages, the electrical properties of encapsulants, particularly the conductivity, can differ from those at low voltages. In this study, we investigate the evolution of encapsulant conductivity und…
- OpenAlex · Published · First archived
A time-domain semi-analytical framework for constructing input energy spectra from design spectra and its application to the Chinese seismic code ↗
Constructing design spectra that accurately quantify seismic input energy is a fundamental task in energy-based seismic design. Existing time-domain empirical methods often rely on extensive or region-specific seismic data regressions, deep learning-based approaches lack physical interpretability, and frequency-domain theoretical methods face challenges in explicitly incorporating the cumulative effects of strong-motion duration ( t D ). To address these limitations, this study proposes a code-compatible, time-domain semi-analytical framework that derives elastic and plastic input energy equiv…
- OpenAlex · Published · First archived
A quick solution algorithm for online prediction of three-dimensional temperature distribution in lithium-ion battery based on thermal resistance network and influence of network parameters on calculation performance ↗
Temperature has a crucial impact on the performance and safety of lithium-ion batteries. To achieve accurate prediction of battery temperature, this paper establishes a thermal resistance network model that can achieve online calculation of battery three-dimensional temperature field, and conducts a systematic study based on different thermal resistance network structures to solve two key issues: the balance between the model's prediction accuracy and computational efficiency, as well as the sensitivity of the prediction accuracy in different spatial dimensions. Firstly, the three-dimensional…
- OpenAlex · Published · First archived
Carbon offset-aware economic scheduling using echo state enhanced variational mode decomposition and ARIMA forecasting for P2X-based city energy ecosystems with joint green-carbon certificate and socio-financial welfare ↗
Urban energy systems in sustainable cities are facing increasing challenges due to the simultaneous integration of hydrogen-based conversion, carbon regulation, renewable energy uncertainty, and emerging electric mobility demands. This paper develops a low-carbon optimization framework for a Multi-Energy Distribution Network that coordinates electricity, gas, heat, and hydrogen infrastructures while incorporating Power-to-X technologies, hydrogen-enriched gas utilization, carbon capture, and aerial electric mobility. The proposed framework integrates ADTAN-driven Electric Taxi Drone demand mod…
- OpenAlex · Published · First archived
Experimental characterization of a free-piston Stirling engine intended for integration with high-temperature thermal energy storage and combined heat and power applications ↗
A high-temperature thermal energy storage (TES) system coupled with a free-piston Stirling engine offers a potential route for converting stored thermal energy into electricity while simultaneously recovering useful heat for domestic applications. This study experimentally characterises a commercially available 1 kW free-piston Stirling engine under operating conditions representative of its future integration with a high-temperature TES system using sodium heat pipes and domestic combined heat and power (CHP) heat recovery. A dedicated experimental test rig was developed to independently inve…
- OpenAlex · Published · First archived
Microscale probing of molten salts crystallization: A pathway to efficient thermal energy storage ↗
Molten salts are important heat storage media for alleviating the spatiotemporal mismatch between energy supply and demand, yet crystallization-induced blockage remains a critical barrier to their practical application. Clarifying the crystallization behavior of molten salts under thermal management conditions is therefore essential for reducing blockage risks and improving thermal storage efficiency. Here, we employed the single hot thermocouple technique (SHTT) to visually investigate the crystallization behavior under constant cooling and isothermal conditions, focusing on crystal incubatio…
- OpenAlex · Published · First archived
Dynamic response and energy dissipation of different soil media under touchdown impact of collapsed bodies: Field experiments and numerical simulations ↗
Ground deformation induced by the touchdown impact of collapsed bodies can adversely affect critical structures and facilities, including adjacent buildings, underground pipelines, and metro tunnels. This study investigates the soil deformation induced by collapsed body impact in two typical strata, namely homogeneous soil and stiff-over-soft strata. We conducted model tests for both strata, and established an experimentally validated numerical model using the LS-DYNA finite element analysis software. We analysed the dynamic response characteristics and energy dissipation patterns of both homo…
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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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