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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 ↗688 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
Short-Circuit Current Analytical Method for Photovoltaic Systems Considering Dual Closed-Loop Control Dynamic Characteristics ↗
Accurate short-circuit current calculation is crucial for protection coordination and grid integration of large-scale photovoltaic (PV) plants, yet conventional methods often lack transient accuracy. Based on field tests under varying power and voltage-dip conditions, this study proposes an analytical short-circuit current calculation method for PV systems considering the dynamic characteristics of dual closed-loop control. The complete fault transient process is divided into distinct stages according to control mode switching and limiter actions. The method incorporates stage-wise active powe…
- OpenAlex · Published · First archived
Two-Stage Multi-Frame Fusion Model for Radar Anti-Jamming Target Detection with Range-Doppler Maps ↗
Mainlobe active deception jamming significantly degrades radar target detection in complex electromagnetic environments. Current anti-jamming detection approaches inadequately exploit the spatiotemporal information inherent in target echoes, thereby fundamentally limiting their capacity for reliable detection and robust true–false discrimination. Therefore, this paper proposes a trajectory-guided two-stage multi-frame fusion detection (TSMF-Det) model based on range-Doppler (R-D) maps. Initially, a lightweight candidate detector is utilized to generate high-recall candidate boxes, which are th…
- OpenAlex · Published · First archived
Adsorption-based compressed CO2 energy storage system using commercial adsorbent pellets: Experimental screening and thermodynamic-economic assessment ↗
Adsorption-based compressed CO 2 energy storage (AB-CCES) offers a promising route for compact low-pressure CO 2 storage, however, the selection of optimal adsorbents for practical applications remains uncertain and requires further investigation. This study systematically screened five commercial adsorbent pellets and evaluated the performance of the corresponding AB-CCES system by integrating material characterization, CO 2 adsorption-desorption experiments, ad-desorption kinetics, thermodynamic simulation, and techno-economic analysis. Zeolite 4A emerged as the most promising candidate beca…
- OpenAlex · Published · First archived
Multi-objective optimization for energy-aware job scheduling in industry 4.0 ↗
Energy-aware flexible job-shop scheduling is a key optimization problem in Industry 4.0 manufacturing, where machine assignment and operation sequencing jointly influence production efficiency, energy consumption, and resource utilization. This paper addresses a multi-objective flexible job-shop scheduling problem with heterogeneous machines, machine-operation compatibility, precedence constraints, non-preemptive processing, and machine-capacity limitations. A mixed-integer linear programming (MILP) model is developed to simultaneously minimize makespan, processing-related energy consumption,…
- OpenAlex · Published · First archived
Quantifying the roles of policy and technology on China's hydrogen-electricity integration: A multi-scenario analysis of cost and decarbonization dynamics ↗
Amid accelerating global deep decarbonization, hydrogen is a key option for addressing hard-to-abate emissions, and electricity-hydrogen synergy is central to achieving carbon neutrality. Under carbon constraints and uncertain hydrogen demand, this study develops a China Electricity-Hydrogen Synergy TIMES model with multidimensional scenarios to explore cost-optimal decarbonization pathways driven by policy and technological progress. The results show that external interventions are critical for achieving deep decarbonization. Under the Baseline Scenario, gray hydrogen will remain above 47% of…
- OpenAlex · Published · First archived
Synergistic modulation via SnO2 seed layer and Bi2S3/Bi2WO6 heterojunction toward enhanced H2 evolution and electricity generation in photocatalytic fuel cell ↗
To optimize the photoexcited charge carrier transport kinetics at the interface between the FTO substrate and the photocatalyst, this study systematically investigates the impact of SnO 2 and TiO 2 charge transport layers on the photocatalytic efficiency of the photoanode. Density functional theory computations reveal that the SnO 2 charge transport layer possesses superior electron transport properties compared to the TiO 2 . The as-prepared SnO 2 pre-Bi 2 S 3 /Bi 2 WO 6 photoanode exhibits broad visible-light absorption and outstanding photoelectrochemical performance, showing a photocurrent…
- OpenAlex · Published · First archived
Intelligent adaptive energy management framework for hybrid solar-grid EV fast-charging stations with energy storage and time-based demand response optimization ↗
The rapid expansion of electric vehicle (EVs) is significantly increasing pressure on the conventional electrical grid and introducing new challenges in load management, peak demand, and grid stability. Conventional grid systems, dependent on fossil fuel-based generation, contribute to greenhouse gas emissions and limit the environmental benefits of EV adoption. Although several studies have integrated photovoltaic (PV) systems with EV charging networks, most have not addressed real-time coordination between multiple power sources, time-of-use (ToU) pricing, and dynamic demand response (DR). T…
- OpenAlex · Published · First archived
Continuous screw-reactor co-pyrolysis of waste cooking oil sludge and polyolefin plastic waste: thermal behavior, oil quality, and potential for fuel applications ↗
This study investigated the pyrolysis of waste cooking oil sludge (WCOS) and its co-pyrolysis with polypropylene (PP) and high-density polyethylene (HDPE) at 500 °C in a continuous double-screw reactor to evaluate product yields, oil quality, energy recovery, and preliminary economic performance. The novelty of this work lies in evaluating WCOS with individual polyolefin co-feedstocks under the same continuous operating conditions, together with an integrated assessment of product distribution, liquid-fuel characteristics, energy performance, and preliminary process economics. At a 50:50 blend…
- OpenAlex · Published · First archived
Comparative review of multi-energy systems modeling tools for scenario analysis toward climate neutrality: Case studies, achievements, and challenges ↗
Climate-neutrality planning requires modeling tools that connect long-term investment, multi-sector demand and emissions, power-system operation, and grid-security assessment. This structured review examines six widely used platforms such as PyPSA, Julia/JuMP, GAMS, TIMES, DIgSILENT PowerFactory, and LEAP for large-scale multi-energy-system analysis. Based on 100 cited sources, the platforms are qualitatively compared in terms of temporal and geographical resolution, optimization structure, data requirements, sector coverage, solver flexibility, and application domains. Kazakhstan's coal phase…
- OpenAlex · Published · First archived
The Spectral Energy Distribution of QR And : Preliminary Analysis ↗
ABSTRACT We present a preliminary multiwavelength spectral energy distribution (SED) analysis of the Galactic supersoft X‐ray source QR Andromedae (QR And). The longer‐wavelength portion, spanning from the ultraviolet to the infrared, was built from compiled archival and catalogue measurements, while the soft X‐ray component was represented using the XMM‐Newton /EPIC‐pn spectrum. Based on earlier work on this source, we compare the resulting SED with an irradiated accretion disk plus irradiated companion scenario, revisited here with updated source information, including a Gaia‐based distance…
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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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