Energy

Papers
(The TQCC of Energy is 21. The table below lists those papers that are above that threshold based on CrossRef citation counts [max. 250 papers]. The publications cover those that have been published in the past four years, i.e., from 2021-05-01 to 2025-05-01.)
ArticleCitations
Random decision forest (RDF) and crystal structure algorithm (CryStAl) for uncertainty consideration of RES & load demands with optimal design of hybrid CCHP systems664
Sustainability evaluation of a heavy-duty diesel engine used in railways597
ICEE2022 – ENERGY special issue470
Effect of shock generator on fuel mixing in an annular single lobe transverse nozzle at the supersonic combustion chamber of a scramjet engine using computational fluid dynamics399
Comment on “Steam methane reforming in a microchannel reformer: Experiment, CFD-modelling and numerical study” [Energy 237 (2021) 121624]349
Advancing building intelligence: Developing and implementing standardized Smart Readiness Indicator (SRI) on-site audit procedure343
A review of recent research on hydrofluoroolefin (HFO) and hydrochlorofluoroolefin (HCFO) refrigerants321
The operating parameter optimization of spark duration effect on the performance and emission characteristics of direct-injection propane by genetic algorithm307
Learning spatiotemporal dynamics in wholesale energy markets with dynamic mode decomposition303
Multi-agent-based energy management for a fully electrified residential consumption295
Characteristics of the in-cylinder flow and spray for intake valve timing in an optical GDI engine with spray-guided injection270
Inhibitory and synergistic effects on thermal behaviour and char characteristics during the co-pyrolysis of biomass and single-use plastics258
Improvement of wind turbine aerodynamic performance by vanquishing stall with active multi air jet blowing240
An overview of non-Gaussian state-space models for wind speed data229
Decarbonizing urban passenger transportation: Policy effectiveness and interactions224
Numerical study on ammonia injection location of ammonia and low-rank coal cofiring in 1000 MWe ultra super critical carolina-type boiler223
A novel V-shaped layout method for VIV hydrokinetic energy converters inspired by geese flying in a V-Formation222
Thermodynamic responses of bleed air on separated flow high by-pass turbofan engine under constant speed and constant thrust cases216
Multi-component modeling and simulation of a new photoelectrochemical reactor design for clean hydrogen production213
Effect of injection pressure adjustment towards performance, emission and combustion analysis of optimal nahar methyl ester diesel blend powered agricultural diesel engine210
Hydrogen storage station location selection in sustainable freight transportation via intuitionistic hesitant decision support system206
Thermodynamic study on the effects of operating parameters on CaO-based sorption enhanced steam gasification of biomass202
A frame work for comparative wear based failure analysis of CNG and diesel operated engines202
Optimal operation of integrated power and thermal systems for flexibility improvement based on evaluation and utilization of heat storage in district heating systems201
Prospective environmental and techno-economic assessment of steam production by means of heat pipes in the steel industry199
Microfluidic experiments and numerical modeling of pore-scale Asphaltene deposition: Insights and predictive capabilities199
Energy-saving potential of compression heat pump using thermal energy storage of phase change materials for cooling and heating applications197
Using energy consumption constraints to control the freight transportation structure in China (2021–2030)194
Impact of forecasted heat demand on day-ahead optimal scheduling and real time control of multi-energy systems193
A novel method of battery pack energy health estimation based on visual feature learning188
Comprehensive 4E (energy, exergy, exergoeconomic, and exergoenvironmental) analysis and optimization of wastewater sludge gasification: A case study in a resource-constrained area187
An artificial intelligence strategy for multi-objective optimization of Urea-SCR for vehicle diesel engine by RSM-VIKOR187
Simplified method and numerical simulation analysis of pipe-group long-term heat transfer in deep-ground heat exchangers186
Enhancing ammonia combustion performance using hydrogen peroxide-enriched air: A computational fluid dynamics analysis184
Comprehensive approach to static firing tests of micro gas turbine engines powered by liquid fuels180
Numerical study of the loss and power prediction based on a modified non-equilibrium condensation model in a 200 MW industrial-scale steam turbine under different operation conditions180
Bi-level stochastic real-time pricing model in multi-energy generation system: A reinforcement learning approach180
A systematic methodology for selecting optimal technology for waste heat utilization in food processing industry179
Atomistic insights into formaldehyde (HCHO) high-temperature treatment and syngas production via ReaxFF MD simulations179
The balance effects of momentum deficit and thrust in cumulative wake models178
Multi-time scale operation optimization of integrated power and thermal system considering load disturbance172
A study of particle flow in a ribbon reactor: Effect of ribbon configuration on mixing and heat transfer performance172
Real options analysis for regional investment decisions of household PV-ESS in China171
Topology reconstruction of the district heating network for maximizing comprehensive benefits of thermal storage169
Numerical study on the performance of a new integrated afterburner under a wide range of bypass ratio conditions168
An event-triggered and dimension learning scheme WOA for PEMFC modeling and parameter identification167
Analysis of a coupled calcium oxide-potassium carbonate salt hydrate based thermochemical energy storage system166
Numerical study on thermal storage and exothermic characteristics of subway station fresh air shaft surrounding rock164
Modeling impacts of different data transmission delays on traffic jam, fuel consumption and emissions on curved road163
Experimental study of a linear Fresnel concentrator: A new procedure for optical and heat losses characterization160
System design for 700 °C power plants: Integration scheme and performance evaluation159
Flame behaviour and flame location in large-eddy simulation of the turbulent premixed combustion159
The dynamic model of a rectification heat exchanger using the concept of heat-integrated distillation column158
Comparative analysis of combustion, thermodynamic and environmental performance of hydrogen-doping X-type rotary engines using single-ignitor and dual-ignitors under high-altitude condition158
Stability of hydrate-bearing sediment during methane hydrate production by depressurization or intermittent CO2/N2 injection156
Spatial correlation, driving factors and dynamic spatial spillover of electricity consumption in China: A perspective on industry heterogeneity156
Renewable energy sources and the cycles in deregulated electricity markets155
Day-ahead optimal reactive power ancillary service procurement under dynamic multi-objective framework in wind integrated deregulated power system154
A multi factor Malmquist CO2emissio153
A multi-objective formulation of improving flexibility in the operation of electric power systems: Application to mitigation measures during the coronavirus pandemic152
Knock analysis of bio-butanol in TISI engine based on chemical reaction kinetics149
Parametric study of cavity on the performance of a hydrogen-fueled micro planar combustor for thermophotovoltaic applications148
Two-stage thermochemical conversion of polyethylene terephthalate using steam to produce a clean and H2- and CO-rich syngas147
Numerical study on performance of a hybrid indirect evaporative cooling heat recovery heat pump ventilator as applied in different climatic regions of China147
Simulations and experimental study to compare the behavior of a genset running on gasoline or syngas for small scale power generation146
Enhanced thermal conductivity and adsorption rate of zeolite 13X adsorbent by compression-induced molding method for sorption thermal battery145
Developing a 20-year high-resolution wind data set for Puerto Rico145
3E analyses and multi-objective optimization of a liquid nitrogen wash based cogeneration system for electrical power and LNG production144
Electrochemical conversion of CO2 using different electrode materials in an Li–K molten salt system144
Staged supply of fuel and air to the combustion chamber to reduce emissions of harmful substances143
Techno-economic assessment of CO2 capture integrated coal-fired power plant with energetic analysis143
Multivariate efficiency assessment and optimization of unitized regeneration proton exchange membrane fuel cell based CCHP system142
Combustion and interaction mechanism of 2,3,3,3-tetrafluoropropene/1,1,1,2-tetrafluoroethane as an environmentally friendly mixed working fluid141
Performance analysis of sorption thermal battery for high-density cold energy storage enabled by novel tube-free evaporator140
Exploring indigenously produced celite-immobilized Rhizopus oryzae NRRL 3562-lipase for biodiesel production140
A bilevel approach to multi-period natural gas pricing and investment in gas-consuming infrastructure139
A novel data center air conditioner and its application scheme balancing high-efficiency cooling and waste heat recovery: Environmental and economic analysis139
Analysis on flow and heat transfer performance of SCO2 in airfoil channels with different fin angles of attack139
Environmental adaptability method for improving the cold start performance of the diesel engine based on pilot injection strategy138
Parallel electrodes gliding plasma: Working principles and application in dry reforming of methane137
Optimization of Savonius rotor blade performance using Taguchi method: Experimental and 3D-CFD approach137
Effect of natural and forced charge air humidity on the performance and emissions of a compression-ignition engine operating at high warm altitude136
Stochastic bi-objective optimization for closed wet cooling tower systems based on a simplified analytical model135
Comparative study of energy losses related to the ring pack operation in homogeneous charge compression ignition and spark ignition combustion135
Psychological insights for incentive-based demand response incorporating battery energy storage systems: A two-loop Stackelberg game approach134
Conceptual design, exergoeconomic analysis and multi-objective optimization for a novel integration of biomass-fueled power plant with MCFC-cryogenic CO2 separation unit for low-carbon power productio133
Biomass-based carbon aerogels with interconnected pores and controllable Zn–N sites for CO2 electroreduction133
China's blueprint for a sustainable energy future: Analyzing the factors behind the climate change and globalized knowledge-based technological policies132
Optimization of a segmented thermoelectric generator with various doping amounts using central composite design, multi-objective genetic algorithm, and artificial neural network132
A two-dimensional distributed activation energy model for pyrolysis of solid fuels131
Comparison of the effect of linear and two-step fast charging protocols on degradation of lithium ion batteries131
Stage-based exergy analysis for a modern turboprop engine under various loading130
Energy, exergy and environmental life cycle assessment on the valorization of an ejector integrated CCHP system with six sustainable refrigerants130
Real-time dispatch of an integrated energy system based on multi-stage reinforcement learning with an improved action-choosing strategy130
Security assessment and preventive control of combined electricity and heat systems with distributed electric thermal storage129
The determinants of oil consumption in Tunisia: Fresh evidence from NARDL approach and asymmetric causality test128
Simultaneous retrofit of direct and indirect Heat Exchanger Storage Network (HESN) via individual batch process stream mapping128
Transcritical CO128
Highly efficient portable atmospheric water harvester with integrated structure design for high yield water production128
Evolutionary game study and empirical analysis of the adoption of green coal mining technology: A case study of ITMDB127
Influence of ammonia cofiring ratio and injection mode on the NO emission and control mechanisms of NH3-CH4 cofiring127
Recurrent attention encoder–decoder network for multi-step interval wind power prediction126
Nitrogen migration in sewage sludge chemical looping gasification using copper slag modified by NiO as an oxygen carrier124
Comparative study on monthly natural gas vehicle fuel consumption and industrial consumption using multi-hybrid forecast models124
Thermodynamic analysis of a semi-lean solution process for energy saving via rectisol wash technology123
Thermodynamics-based data-driven combustion modelling for modern spark-ignition engines123
Gas utilization optimization and exergy analysis of hydrogen metallurgical shaft furnace122
Analyzing the evolution trend of energy conservation and carbon reduction in transportation with promoting electrification in China121
In-depth study on the synergistic conversion mechanism of iron ore with waste biochar for co-producing directly reduced iron (DRI) and syngas121
Two-stage energy management method of integrated energy system considering pre-transaction behavior of energy service provider and users121
Optimal estimation of the PEM fuel cells applying deep belief network optimized by improved archimedes optimization algorithm121
Structures and contributions of active substances in the latent oxidation of coal based on the oxygen isotope tracer method120
Evaluating energy flexibility requirements for high shares of variable renewable energy: A heuristic approach119
Evaluation of hosting capacity of the power grid for electric vehicles – A case study in a Swedish residential area119
Experimental investigation on the large temperature lift heat pump with an integrated two-stage independently variable frequency compressor119
Low-carbon economic operation of commercial park-level integrated energy systems incorporating supply and demand flexibility119
Volatility spillover between carbon market and related markets in time-frequency domain based on BEKK-GARCH and complex network analysis119
The coexistence of multiple hydrates triggered by varied H2 molecule occupancy during CO2/H2 hydrate dissociation118
Chain explosion behaviors induced by discontinuous methane/air distribution118
Experimental study on the influence of particle size and grain grading on the CO2 hydrate formation and storage process in porous media117
Vortex interactions and loss mechanisms in the tip region of axial turbine rotors with cutback squealer tip117
Forecasting European Union allowances futures: The role of technical indicators116
Simultaneous optimization of multiple engine parameters of a 1-heptanol / gasoline fuel blends operated a port-fuel injection spark-ignition engine using response surface methodology approach116
Energy management of renewable energy connected electric vehicles charging using Internet of things: Hybrid MRA-SDRN approach115
Design and performance analysis of a passive rotatable deflector diversion tail for tidal current power generation hydrokinetic turbines115
Pore-to-meter scale modeling of heat and mass transport applied to thermal energy storage: How local thermal and velocity fluctuations affect average thermal dispersivity114
Heterogeneous impacts of oil prices on China's stock market: Based on a new decomposition method114
3D pore structure characterization and permeability anisotropy visualization simulation of fusain113
Exploitation of Annona reticulata leaf extract for the synthesis of CeO2 nanoparticles as catalyst for the production of biodiesel using seed oil thereof113
A data-driven method for heat loss estimation from district heating service pipes using heat meter- and GIS data112
Carbon dioxide utilization based on exergoenvironmental sustainability assessment: A case study of CO2 hydrogenation to methanol112
Impact of typical and actual weather years on the energy simulation of buildings with different construction features and under different climates112
Experimental and numerical investigations on NH3/H2 fueled combustion in the combustor with block for improved micro power generation112
Thermal decomposition mechanism and thermal stability prediction of n-pentane/n-butane mixture112
Studies on the synergistically improved reactivity of spinel NiFe2O4 oxygen carrier for chemical-looping combustion111
Thermal decomposition of polyolefins under different oxygen content. Composition of products and thermal effects111
Development and evaluation of mechanistic model for standard SCR, fast SCR, and NO2 SCR of NH3-SCR over Cu-ZSM-5111
Physics-informed deep residual neural network for finned-tube evaporator performance prediction111
Day-ahead scheduling of energy hubs with parking lots for electric vehicles considering uncertainties110
Effect of structural improvement of gaskets on the heat leakage load and energy consumption of the refrigerator110
Thermodynamic and exergoeconomic analysis of an innovative cogeneration of power and freshwater based on gas turbine cycle110
A fusion gas load prediction model with three-way residual error amendment109
The impact of platform motion phase differences on the power and load performance of tandem floating offshore wind turbines109
Research on controllable shock wave technology for in-situ development of tar-rich coal109
How do imports change the energy consumption of China? An analysis of its role in intermediate inputs and final demands109
Selection of an economics-energy-environment scheduling strategy for a community virtual power plant considering decision-makers’ risk attitudes based on improved information gap decision theory109
Experimental and numerical study on laminar combustion characteristics of by-product hydrogen coke oven gas109
Syntheses, catalytic performances and DFT investigations: A recent review of copper-based catalysts of methanol steam reforming for hydrogen production108
Conversion of steam power plant into cogeneration unit - Case study108
Cooling performance of compression-absorption cascade system with novel ternary ionic-liquid working pair108
Mechanical properties and strength criterion of clayey sand reservoirs during natural gas hydrate extraction108
Numerical prediction of frosting growth characteristics of microchannel louvered fin heat exchanger108
Hybrid energy-based electric vehicles charging station integrated with INVELOX wind turbine: A case study of Kermanshah108
Optimizing Energy Management in Smart Grid Systems with GJO-THDCNN Hybrid Approach107
Working mechanism and characteristics analysis of a novel configuration of a supersonic ejector107
An experimental study on energetic performance evaluation of a parabolic trough solar collector operating with Al2O3/water and GO/water nanofluids107
Model predictive control for a heat booster substation in ultra low temperature district heating systems106
Heat extraction capacity and its attenuation of deep borehole heat exchanger array106
Improving energy efficiency prediction under aberrant measurement using deep compensation networks: A case study of petrochemical process106
Thermodynamic and life cycle assessment analysis of polymer-containing oily sludge supercritical water gasification system combined with Organic Rankine Cycle106
Mathematical and experimental investigation about the dual-source heat pump integrating low concentrated photovoltaic and finned-tube exchanger106
Sizing utility-scale photovoltaic power generation for integration into a hydropower plant considering the effects of climate change: A case study in the Longyangxia of China105
FlexNet: A warm start method for deep reinforcement learning in hybrid electric vehicle energy management applications105
Co-pyrolysis of corn stalk and polyethylene at a gas phase contacting mode and aromatization mechanism study104
Contributing to regional decarbonization: Australia's potential to supply zero-carbon commodities to the Asia-Pacific104
Uncertainties in estimating production costs of future nuclear technologies: A model-based analysis of small modular reactors104
Multi-agent deep reinforcement learning-based cooperative energy management for regional integrated energy system incorporating active demand-side management104
Exploring the potential of water injection (WI) in a high-load diesel engine under different fuel injection strategies104
Evaluation of start-up characteristics for heat pipe-cooled nuclear reactor coupled with recuperated open-air brayton cycle using hardware-in-the-loop103
Integrated thermal modeling and parametric study of liquid hydrogen storage tanks: Effects of insulation design and operating conditions103
Role of CO2 geological storage in China's pledge to carbon peak by 2030 and carbon neutrality by 2060103
A convolutional block multi-attentive fusion network for underground natural gas micro-leakage detection of hyperspectral and thermal data103
Investigation into ethanol effects on combustion and particle number emissions in a spark-ignition to compression-ignition (SICI) engine102
Research on high fidelity modelling and optimum designing of an adaptive cycle engine's starting process102
Optimal insulation layer for heated water pipes under technical, economic and carbon emission constraints102
Box-Behnken assisted RSM and ANN modelling for biodiesel production over titanium supported zinc-oxide catalyst101
Online correction predictive energy management strategy using the Q-learning based swarm optimization with fuzzy neural network101
Electrical, thermomechanical and cost analyses of a low-cost thermoelectric generator101
Fractal characteristics of methane migration channels in inclined coal seams101
Production of gasoline and diesel-like fuel from natural rubber scrap: Upgrading of the liquid fuel properties and performance in a spark ignition engine101
Biogas potential of cup plant and willow-leaf sunflower biomass101
Effects of steam treatment on the internal moisture and physicochemical structure of coal and their implications for coalbed methane recovery101
A Nash bargaining model for energy sharing between micro-energy grids and energy storage100
Multi-energy flow calculation in integrated energy system via topological graph attention convolutional network with transfer learning100
Integration of thermal insulation and thermoelectric conversion embedded with phase change materials100
Numerical study on temperature rise and structure optimization for a three-phase gas insulated switchgear busbar chamber100
Is total system cost minimization fair to all the actors of an energy system? Not according to game theory100
Harmonizing energy audit reporting: Addressing data loss and policy challenges in the EU member states99
Design of Electrical Submersible Pump system in geothermal wells: A case study from West Anatolia, Turkey99
Iron salt catalytic pyrolysis of biomass: Influence of iron salt type99
Decoupling of volatile–char interaction in co-pyrolysis of cow manure and bituminous coal and deactivation mechanism of coal char reactivity99
Investigation on a spring-integrated mechanical power take-off system for wave energy conversion purpose99
Exploring preferences for household energy technology adoption from a spatiotemporal perspective: Evidence from demographics, the economy, and the environment98
Hierarchical model predictive control for energy management and lifespan protection in fuel cell electric vehicles98
Analysis of the thermodynamic performance of the SOFC-GT system integrated solar energy based on reverse Brayton cycle97
Analysis of energy utilization and thermal efficiency in diesel engines under varying EGR rates97
An update to the Sandia method for creating Typical Meteorological Years from a limited pool of calendar years97
Electrifying end-use demands: A rise in capacity and flexibility requirements97
Comprehensive evaluation of low-temperature oxidation characteristics of low-rank bituminous coal and oil shale97
The impact of energy-related uncertainty on China’s overall and sectoral stock returns: Evidence from quantile-on-quantile regression97
Short-term photovoltaic power prediction model based on feature construction and improved transformer97
Investigating and quantifying the effects of catalyst layer gradients, operating conditions, and their interactions on PEMFC performance through global sensitivity analysis97
A hybrid deep learning model towards flow pattern identification of gas-liquid two-phase flows in horizontal pipe97
Standalone and system-level perspectives on hydrogen-based sustainable aviation fuel pathways for Denmark97
Energy analysis during cold start and warm up period of a methanol engine hybrid power system under several novel energy conversion strategies96
A transient gas pipeline network simulation model for decoupling the hydraulic-thermal process and the component tracking process96
Ammonia/syngas combustion in a premixed micro-gas turbine: LES-FGM investigation on flame dynamics, stability, and emission control96
Exergy performance analysis of hydrogen recirculation ejectors exhibiting phase change behaviour in PEMFC applications96
Numerical study on natural gas hydrate production by hot water injection combined with depressurization96
Research on a novel universal low–load stable combustion technology96
Control law synthetizing for an innovative indirect precooled airbreathing engine under off-design operation conditions96
Morphological and chemical differences within superheater deposits from different locations of a black liquor recovery boiler96
Effects of gas occurrence pattern on distribution and morphology characteristics of gas hydrates in porous media95
Insight into the whole from the part: Redefined state of health for lithium-ion batteries based on optimal charging fragment search95
Cooperative control method considering efficiency and tracking performance for unmanned hybrid tractor based on rotary tillage prediction94
Molecular insights into the synergistic mechanisms of hybrid CO2-surfactant thermal systems at heavy oil-water interfaces94
Compaction and restraining effects of insoluble sediments in underground energy storage salt caverns94
Comparative study on the chemical structure characteristics of lump coal during superheated water vapor pyrolysis and conventional pyrolysis94
Effects of gas components, reservoir property and pore structure of shale gas reservoir on the competitive adsorption behavior of CO2 and CH494
Advanced exergy and exergo-economic analyses of a novel combined power system using the cold energy of liquefied natural gas94
Unsteady vane-rotor secondary flow interaction of the endwall region in a 1.5-stage variable-geometry turbine94
Multi-objective optimization of emission parameters of a diesel engine using oxygenated fuel and pilot injection strategy based on RSM-NSGA III93
Simulation of fine mesh implementation on the cathode for proton exchange membrane fuel cell (PEMFC)93
Automated energy performance certificate based urban building energy modelling approach for predicting heat load profiles of districts93
Improving the accuracy of wind speed spatial interpolation: A pre-processing algorithm for wind speed dynamic time warping interpolation93
Data-driven battery operation for energy arbitrage using rainbow deep reinforcement learning93
A detached-eddy simulation study on assessing the impact of extreme wind conditions on load and wake characteristics of a horizontal-axis wind turbine93
Energy, exergy, exergo-economic and exergo-environmental analysis of waste heat-based convective dryer93
Decision support methods for sustainable ship energy systems: A state-of-the-art review93
A wind speed forecasting model using nonlinear auto-regressive model optimized by the hybrid chaos-cloud salp swarm algorithm93
An energy self-circulation system based on the wearable thermoelectric harvester for ART driver monitoring93
Recursive identification of kernel-based hammerstein model for online energy efficiency estimation of large-scale chemical plants93
The dynamic spillovers among carbon, fossil energy and electricity markets based on a TVP-VAR-SV method93
Wave attenuation and focusing performance of parallel twin parabolic arc floating breakwaters93
Dynamic nonlinear effects of geopolitical risks on commodities: Fresh evidence from quantile methods93
Waste to energy: Production of poultry-based fat biodiesel and experimental assessment of its usability on engine behaviors92
Performance characteristics of a new curved double-pass counter flow solar air heater92
Building-integrated photovoltaics (BIPV): A mathematical approach to evaluate the electrical production of solar PV blinds92
Stochastic cost-benefit analysis to assess new infrastructure to improve the reliability of the natural gas supply92
Multiple effects of high efficiency solid inertants on fire hazard of the accumulated Mg dust layer92
Efficient tetracycline degradation and electricity production in photocatalytic fuel cell based on ZnO nanorod/BiOBr/UiO-66-NH2 photoanode and Cu2O/CuO photocathode92
Battery performance optimization and multi-component transport enhancement of organic flow battery based on channel section reconstruction92
Coal permeability evolution triggered by variable injection parameters during gas mixture enhanced methane recovery92
Regulation strategies and thermodynamic analysis of combined cooling, heating, and power system integrated with biomass gasification and solid oxide fuel cell92
Industrial agglomeration, CO2 emissions and regional development programs: A decomposition analysis based on 286 Chinese cities91
Development of a membrane-less microfluidic thermally regenerative ammonia battery91
Modeling the distributed energy resource aggregator services in a macroeconomic framework: The application to Japan91
High biodesulfurization efficiency of oil by aerobic (Burkholderia sp. and Serratia sp.) and anaerobic bacteria using various additives91
A laboratory study of coal-to-gas bioconversion through bio-seeding sludge in the primary coal substrate91
Power allocation strategy for fuel cell distributed drive electric tractor based on adaptive multi-resolution analysis theory91
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