OOIR: Observatory of International Research

Papers

(The H4-Index of Renewable Energy is 119. 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 2021-07-01 to 2025-07-01.)

Article	Citations
Advances in thermal energy storage for renewable energies integration in the energy system	581
Analyzing convective heat transfer in combined solar chimneys: A theoretical and numerical study of key influencing parameters	455
Wake scaling of actuator discs in different aspect ratios	445
Corrigendum to “Tropho-metabolic transition during Chlorella sp. cultivation on synthesis of biodiesel” [Renew. Energy 98 (2016) 84–91]	388
Corrigendum to “A novel environmental contour method for predicting long-term extreme wave conditions” [Renew. Energy 162 (2020) 926–933]	336
Finding the most suitable existing irrigation dams for small hydropower development in Turkey: A GIS-Fuzzy logic tool	333
Optimal phasing of tidal stream power around the British Isles and within the English Channel for green ammonia production	309
Synthesis and evaluation of bifunctional polymeric agent for improving cold flow properties and oxidation stability of diesel-biodiesel blends	284
Evolving probabilistic modeling for long-term significant wave heights with a focus on extremes	277
A transient heat losses model for two-tank storage systems with molten salts	270
Effect of green technological innovation and financial development on green energy transition in N-11 countries: Evidence from the novel Method of Moments Quantile Regression	270
Increasing the capacity of pseudocapacitive WO3 auxiliary electrode for enhanced two-step decoupled acid water electrolysis	265
Spatial correlation network of renewable energy consumption and its influencing factors: Evidence from 31 Chinese provinces	265
Reaction mechanisms and hydrogen production in the thermal decomposition of simple carboxylic acids in O2/H2O environments	260
Experimental study of floating wind turbine control on a TetraSub floater with tower velocity feedback gain	255
A feasibility study of operating a low static pressure head micro pelton turbine based on water hammer phenomenon	253
Tidal stream energy potential in the Shannon Estuary	251
CFD and exergy analysis of subcritical/supercritical CO2 based naturally circulated solar thermal collector	250
The Spatiotemporal exploration of intercity transport energy efficiency in the mainland of China on the basis of improved stochastic frontier modelling	245
Theoretical models for predicting ventilation performance of vertical solar chimneys in tunnels	245
Pyrolysis behaviour, kinetics and thermodynamic data of hydrothermal carbonization–Treated pulp and paper mill sludge	240
Dual-combustion chamber cycle utilizing biomass and geothermal energy: A comprehensive economic analysis and multi-objective optimization for enhanced multi-generation	237
Acid-catalyzed co-hydrothermal carbonization of sewage sludge and mixed straws to produce high-quality solid fuel	228
Energy communities in rural areas: The participatory case study of Vega de Valcarce, Spain	226
Optimization of hydrogen recirculation ejector for proton-exchange membrane fuel cells (PEMFC) systems considering non-equilibrium condensation	223

Tailoring CoAl2O4 inversion degree-driven photocarrier separation and injection for photoelectrochemical water splitting	222
Improving the performance of solar photovoltaic thermal cells using jet impingement and phase change materials cooling technology	222
WITHDRAWN: ANN and ML Based Modeling of InGaN/GaN p-i-n Solar Cells for Concentrator Photovoltaics	213
Energy, exergy, economic and environmental assessment of solar photovoltaic direct-drive refrigeration system for electronic device cooling	210
Cyclic performance of coke oven gas - Steam reforming with assistance of steel slag derivates for high purity hydrogen production	206
Evaluating the sustainability of the hydrogen economy using multi-criteria decision-making analysis in Korea	203
Heat extraction from abandoned petroleum wells utilizing coaxial borehole heat exchanger in Ordos basin, China	196
Measuring regional variations and analyzing determinants for global renewable energy	196
Ultrasound-NATDES/DMSO system for corn straw biomass conversion into platform compounds	195
A spatial cost-benefit-externality modelling framework for siting of variable renewable energy farms: A case in Bohol, Philippines	195
Solar drying of apple and orange waste: Evaluation of a new thermodynamic approach, and characterization analysis	194
Optimal design of a renewable hydrogen production system by coordinating multiple PV arrays and multiple electrolyzers	192
New energy technology innovation and energy poverty alleviation in China	190
Structural health monitoring of tendons in a multibody floating offshore wind turbine under varying environmental and operating conditions	187
Digital sparks for a greener future: Unleashing the potential of information and communication technologies in green energy transition	187
Editorial Board	184
Calculation of the incidence angle modifier of a Linear Fresnel Collector: The proposed declination and zenith angle model compared to the biaxial factored approach	184
Assessment of regional-scale geothermal production based on a hybrid deep learning model: A case study of the southern Songliao Basin, China	183
Modelled annual thermal performance of a 50MWth refractory-lined particle-laden solar receiver operating above 1000°C	183
A novel oscillatory thermal response test method for efficient characterization of ground thermal properties: Methodology and data analysis	178
Construction of reduced mechanism and prediction of the RON of toluene primary reference fuel/ethanol/diisobutylene	177
Experimental-data-based, easy-to-use product gas composition prediction of a commercial open-top gasifier based on commercially used properties of softwood chips	176
Intelligent charge compression ignition combustion for range extender medium duty applications	170
Pivotal MoOx-decorated Ru/C with a monomeric structure boosts the room temperature and low-pressure hydrogenation of levulinic acid to γ−valerolactone	170
Pyramid floating solar still with enhanced condensation surfaces operating under actual weather conditions	168
Optimization and analysis of the deflector system for a bidirectional H-type hydrokinetic twin-turbine system	166
Relationships between remarkable points in photovoltaic I–V curves	166
Impact analysis of COVID-19 pandemic on the future green power sector: A case study in the Netherlands	164
Low-head hydropower as a reserve power source: A case study of Northeastern Illinois	162
Performance assessment of a Triple Coaxial-Cylinder Wave-Energy Converter (TCWEC)	162
New trilobular geometry using advanced materials for experimentally validated enhanced heat transfer in shallow geothermal applications	161
3E thermodynamic modeling and optimization a novel of ARS-CPVT with the effect of inserting a turbulator in the solar collector	161
Modeling of the evolution of the porous structure during a physical activation process for the production of activated biocarbon: A novel low conversion approach	161
Actuator fault tolerant offshore wind turbine load mitigation control	157
Optimization of biomethane production from purified biowaste pyrolysis gas: A comparative techno-economic assessment	157
Can copper and zinc replace a commercial trace element mixture in enhancing methane production from agricultural digestate post-processing?	157
A sustainable biorefinery strategy: Conversion and fractionation in a facile biphasic system towards integrated lignocellulose valorizations	156
Triticale and sorghum as feedstock for bioethanol production via consolidated bioprocessing	155
Economic optima for buffers in direct reduction steelmaking under increasing shares of renewable hydrogen	154
Experimental study on high-precision detection technology for the freezing front height in brine on a horizontal cold plate surface in cold regions	153
Modeling and stability investigation on the governor-turbine-hydraulic system with a ceiling-sloping tail tunnel	152
Nonlinear modelling and adaptive control of smart rotor wind turbines	152
Assessing the performance and economic viability of solar home systems: A way forward towards clean energy exploration and consumption	149
Highly fluorinated poly arylene ethers containing sulfonated naphthol pendants with improved proton conductivity as a polymer electrolyte for proton exchange membrane fuel cells	149
Performance assessment of bifacial and monofacial PV systems on different types of soils in a low-latitude site	148
Traveling wave turbine - An internal flow energy absorption mode based on the traveling wave motion	147
Benefits of establishing new energy consumption cities: Evidence from industrial enterprises sustainability	147
Global horizontal irradiance prediction model for multi-site fusion under different aerosol types	146
Enhanced ethanol production from lignocellulosic hydrolysates by Thermoanaerobacterium aotearoense SCUT27/ΔargR1864 with improved lignocellulose-derived inhibitors tolerance	144
Multi-objective optimization of operation strategy in snow melting system for airfield runway using genetic algorithm: A case study in Beijing Daxing International Airport	143

Effect of seepage condition in geological stratification on thermal response test analysis of borehole heat exchanger	140
Influence of water hammer effect on low frequency oscillation of grid-connected hydropower station system	140
Kinetic and characteristic investigations on the conversion of cellulose to 5-hydroxymethylfurfural in the mixed metal salt system	140
Design and control of a parallel-axis twin-rotor counter-rotating marine current turbine for the shallow sea conditions	139
Energetic, economic, environmental and climatic analysis of a solar combisystem for different consumption usages with PSI method ranking	138
Financing renewable energy generation in SSA: Does financial integration matter?	138
A real options approach to renewable energy module end-of-life decisions under multiple uncertainties: Application to PV and wind in China	138
Modeling and estimation of moisture transport properties of drying of potential Amazon biomass for renewable energy: Application of the two-compartment approach and diffusive models with constant or m	137
RETRACTED: Method of Four Moments Mixture-A new approach for parametric estimation of Weibull Probability Distribution for wind potential estimation applications	137
Application of iron oxides modified volcanic rock in continuous phenol wastewater anaerobic treatment: Performance and underlying mechanisms	137
Mitigation of severe false data injection attacks (FDIAs) in marine current turbine (MCT) type 4 synchronous generator renewable energy using promoted backstepping method	137
A robust I–V curve correction procedure for degraded photovoltaic modules	136
Sensitivity analysis of a vertical geothermal heat pump system in a hot dry climate	136
Sustainable solution to the critical challenges of an oceanic wave farm for maximizing power generation	134
Unveiling the potential of operating time in improving machine learning models’ performance for waste biomass gasification systems	134
Modeling and interpretation of geomagnetic data related to geothermal sources, Northwest of Delijan	134
A novel approach to optimize the positioning and measurement parameters in photovoltaic aerial inspections	133
A study to investigate the energy recovery potential from different macromolecules of a low-lipid marine Tetraselmis sp. biomass through HTL process	133
Air supply subsystem efficiency optimization for fuel cell power system with layered control method	133
Concentration performance of solar collector integrated compound parabolic concentrator and flat microchannel tube with tracking system	133
Research on productivity of stimulated natural gas hydrate reservoir	131
Credible capacity calculation method of distributed generation based on equal power supply reliability criterion	131
Investigations for efficient design of a new counter flow double-pass curved solar air heater	131
Research on stacking ensemble method for day-ahead ultra-short-term prediction of photovoltaic power	130
Hybrid wind-solar energy potential modeling using ERA5 and solar irradiation data in google Earth Engine	130
Energetic and economic analysis of a novel concentrating solar air heater using linear Fresnel collector for industrial process heat	129
A novel ensemble machine learning approach for optimizing sustainability and green hydrogen production in hybrid renewable-based organic Rankine cycle-operated proton exchange membrane electrolyser sy	129
A new optimization approach considering demand response management and multistage energy storage: A novel perspective for Fujian Province	127
Research progress in SO2 depolarized electrolysis at INET	126
Investigation of poultry slaughterhouse waste stream to produce bio-fuel for internal utilization	126
Synergistic effect of acid sites and a gallium-based modified meso-/microporous catalyst for the pyrolysis of biomass	126
A design-driven wind blade manufacturing model to identify opportunities to reduce wind blade costs	125
The role of limonene in the branching of straight chains in low-octane hydrocarbons	124
Validations of a double U-tube borehole model and a seasonal solar thermal energy storage system model	124
An Ocean Thermal Energy Conversion power plant: Advanced exergy analysis and experimental validation	123
WITHDRAWN: Nonlinear Kalman filters based rotor effective wind speed estimation: An experimental comparison	123
Parametric optimization of a novel solar concentrating photovoltaic-near field thermophotovoltaic hybrid system based on cascade utilization of full-spectrum solar energy	122
Site adaptation of global horizontal irradiance from the Copernicus Atmospheric Monitoring Service for radiation using supervised machine learning techniques	122
Design and optimization of a novel phase change photovoltaic thermal utilization structure for building envelope	122
Design of a 20 kWth gasification reactor for harnessing energy from rice husks	121
Experimental investigation on direct expansion solar-air source heat pump for water heating application	121
Comparative study of grass pyrolysis over regenerated catalysts: Tyre ash, zeolite, and nickel-supported ash and zeolite	120
Economic and sustainability prospects for wet waste valorization: The case for sustainable aviation fuel from arrested anaerobic digestion	120
Parametric study of a novel air-based photovoltaic-thermal collector with a transverse triangular-shaped block	119
Simultaneous optimization of electric production, azo dye, and yeast wastewater treatment in microbial fuel cell: Selection of the most suitable optimal conditions by PROMETHEE	119
Numerical simulation of electricity generation potential through five vertical wells at Fengshun geothermal field in China	119