OOIR: Observatory of International Research

Papers

(The H4-Index of Renewable Energy is 121. 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 2022-01-01 to 2026-01-01.)

Article	Citations
Analyzing convective heat transfer in combined solar chimneys: A theoretical and numerical study of key influencing parameters	691
Editorial Board	511
Nigeria's path to green energy transition: Insights from business preferences for solar PV adoption	411
Experimental-data-based, easy-to-use product gas composition prediction of a commercial open-top gasifier based on commercially used properties of softwood chips	381
Pivotal MoOx-decorated Ru/C with a monomeric structure boosts the room temperature and low-pressure hydrogenation of levulinic acid to γ−valerolactone	342
Impact analysis of COVID-19 pandemic on the future green power sector: A case study in the Netherlands	317
A novel oscillatory thermal response test method for efficient characterization of ground thermal properties: Methodology and data analysis	308
Performance assessment of a Triple Coaxial-Cylinder Wave-Energy Converter (TCWEC)	307
WITHDRAWN: Nonlinear Kalman filters based rotor effective wind speed estimation: An experimental comparison	295
New trilobular geometry using advanced materials for experimentally validated enhanced heat transfer in shallow geothermal applications	292
Numerical simulation of electricity generation potential through five vertical wells at Fengshun geothermal field in China	290
Design of a 20 kWth gasification reactor for harnessing energy from rice husks	290
The Spatiotemporal exploration of intercity transport energy efficiency in the mainland of China on the basis of improved stochastic frontier modelling	288
Validations of a double U-tube borehole model and a seasonal solar thermal energy storage system model	284
Editorial Board	278
Recycling and collaborative regulation of water-nitrogen-straw resources in farmland ecosystem: A collaborative optimization method based on water-energy-food nexus	270
Corrigendum to “Tropho-metabolic transition during Chlorella sp. cultivation on synthesis of biodiesel” [Renew. Energy 98 (2016) 84–91]	261
Relationships between remarkable points in photovoltaic I–V curves	258
Uncertainty quantification analysis in the blade element momentum method	247
Performance analyses of supercritical carbon dioxide-based parabolic trough collectors with double-glazed receivers	245
Editorial Board	242
Design and optimization of a novel phase change photovoltaic thermal utilization structure for building envelope	238
Evolving probabilistic modeling for long-term significant wave heights with a focus on extremes	236
Statistical analysis of electricity supply deficits from renewable energy sources across an Alpine transect	234
Nonlinear modelling and adaptive control of smart rotor wind turbines	233

Flash evaporation strategy of organic Rankine cycle for geothermal power performance enhancement: A case study	230
A robust I–V curve correction procedure for degraded photovoltaic modules	228
Assessing the performance and economic viability of solar home systems: A way forward towards clean energy exploration and consumption	221
Research progress in SO2 depolarized electrolysis at INET	218
Can copper and zinc replace a commercial trace element mixture in enhancing methane production from agricultural digestate post-processing?	217
Theoretical models for predicting ventilation performance of vertical solar chimneys in tunnels	213
Effect of fracture backfill on the hydraulic fracturing behaviour of deep granite under high-temperature and high-pressure conditions: Implications for hot dry rock geothermal mining	212
Abnormal data cleaning for wind turbines by image segmentation based on active shape model and class uncertainty	205
An adaptive pricing mechanism framework for post-auction in the local electricity markets integrating a higher share of renewables	202
Enhancing methanogenic propionate degradation by resuscitation-promoting factors and pyruvate through strengthening syntrophic interactions in microbial community	201
Lab- and pilot-scale anaerobic digestion of municipal bio-waste and potential of digestate for biogas upgrading sustained by microbial analysis	200
Comparative study of grass pyrolysis over regenerated catalysts: Tyre ash, zeolite, and nickel-supported ash and zeolite	200
Dispersion characteristics of large-scale liquid hydrogen spills in a real-world liquid hydrogen refueling station with various releasing and environmental conditions	197
Effect of lateral spacing on output power of offshore wind turbines in different turbulence environments	196
Investigation into the physicochemical properties of three types of biomass-derived soot	196
Optimizing cooling, power, freshwater, and hydrogen production in a dual-fuel gas turbine cycle: A multi-layered approach of waste heat recovery with biomass and methane integration	195
Innovative approach for co-production of single cell oil (SCO), novel carbon-based solid acid catalyst and SCO-based biodiesel from fallen Dipterocarpus alatus leaves	195
Traveling wave turbine - An internal flow energy absorption mode based on the traveling wave motion	195
Performance analysis of a concentrated direct absorption solar collector (DASC) with nanofluids using computational fluid dynamics and discrete ordinates radiation modelling (CFD-DORM)	195
Experimental study on the effects of chemical or microwave treatment on the tensile strength of hot dry rock	189
Low frequency surge motion and inter-spacing distances between turbines in offshore wind farms	188
Integration of dynamic insulation and dynamic phase change materials systems for residential building envelopes	186
The theoretical predicting models of efficiency curves for pump and turbine modes	184
A real options approach to renewable energy module end-of-life decisions under multiple uncertainties: Application to PV and wind in China	184
Study on photothermal transmission and anaerobic digestion characteristics of reactor with folding plates by direct solar radiation	183
Sustainable solution to the critical challenges of an oceanic wave farm for maximizing power generation	181
Effect of angle of incidence on the optical-electrical-thermal performance of photovoltaic insulated glass units	177
Unlocking the potentials using humidifier-dehumidifier for proton exchange membrane fuel cell waste heat recovery	176
Tailoring CoAl2O4 inversion degree-driven photocarrier separation and injection for photoelectrochemical water splitting	173
A design-driven wind blade manufacturing model to identify opportunities to reduce wind blade costs	173
WITHDRAWN: ANN and ML Based Modeling of InGaN/GaN p-i-n Solar Cells for Concentrator Photovoltaics	170
Solar home systems adoption in Sub-Saharan African countries: Household economic and environmental benefits assessment	168
Modeling of the evolution of the porous structure during a physical activation process for the production of activated biocarbon: A novel low conversion approach	167
A novel approach to optimize the positioning and measurement parameters in photovoltaic aerial inspections	166
CFD and exergy analysis of subcritical/supercritical CO2 based naturally circulated solar thermal collector	163
Investigation of poultry slaughterhouse waste stream to produce bio-fuel for internal utilization	163
Performance investigation on an agricultural photovoltaic thermal system based on spectral separation	162
Modeling and interpretation of geomagnetic data related to geothermal sources, Northwest of Delijan	162
The effect of gas diffusion layer on electrochemical effective reaction area of catalyst layer and water discharge capability	160
Site adaptation of global horizontal irradiance from the Copernicus Atmospheric Monitoring Service for radiation using supervised machine learning techniques	156
Numerical simulation on the heat extraction from the porous medium-low temperature geothermal reservoirs by self-circulation wellbore and its enhanced methods	155
An optimization decision-making framework for the optimal operation strategy of pumped storage hydropower system under extreme conditions	154
A study to investigate the energy recovery potential from different macromolecules of a low-lipid marine Tetraselmis sp. biomass through HTL process	153
Parametric optimization of a novel solar concentrating photovoltaic-near field thermophotovoltaic hybrid system based on cascade utilization of full-spectrum solar energy	153
Calculation of the incidence angle modifier of a Linear Fresnel Collector: The proposed declination and zenith angle model compared to the biaxial factored approach	151
A spatial cost-benefit-externality modelling framework for siting of variable renewable energy farms: A case in Bohol, Philippines	149
Ultrasound-NATDES/DMSO system for corn straw biomass conversion into platform compounds	149
RETRACTED: Method of Four Moments Mixture-A new approach for parametric estimation of Weibull Probability Distribution for wind potential estimation applications	148
Modelled annual thermal performance of a 50MWth refractory-lined particle-laden solar receiver operating above 1000°C	147
Electron deficiency modulates hydrogen adsorption strength of Ru single-atomic catalyst for efficient hydrogen evolution	147

Barriers analysis to Chinese waste photovoltaic module recycling under the background of "double carbon"	146
Preparation and performance study of highly transparent SiO2 aerogel for solar high-temperature thermal utilization	144
Sustainable synthesis of bio-diesel and jet-fuel range hydrocarbons from poisonous Abrus Precatorius seed oil over MoO3-HPW/Ga-KIT-6	144
Intelligent charge compression ignition combustion for range extender medium duty applications	144
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	143
Heat extraction from abandoned petroleum wells utilizing coaxial borehole heat exchanger in Ordos basin, China	142
Revolutionizing biodiesel with novel MWCNT-COOH@TiO2-ZnO nanocatalysts for enhanced transesterification and tribocorrosion resistance	142
Wake scaling of actuator discs in different aspect ratios	142
Standardized benchmark of historical compound wind and solar energy droughts across the Continental United States	142
Performance evaluation of a geothermal and solar-based multigeneration system and comparison with alternative case studies: Energy, exergy, and exergoeconomic aspects	141
Spatial correlation network of renewable energy consumption and its influencing factors: Evidence from 31 Chinese provinces	141
A new optimization approach considering demand response management and multistage energy storage: A novel perspective for Fujian Province	141
Unraveling causal dynamics: Exploring resource efficiency and biomass utilization in Malaysia's context	141
Economic optima for buffers in direct reduction steelmaking under increasing shares of renewable hydrogen	141
Optimal phasing of tidal stream power around the British Isles and within the English Channel for green ammonia production	141
Solar drying of apple and orange waste: Evaluation of a new thermodynamic approach, and characterization analysis	140
A comprehensive review on future research trends in solar cell parameter extraction techniques	140
Energy communities in rural areas: The participatory case study of Vega de Valcarce, Spain	139
Short-term wind power forecasting in complex terrain based on spatiotemporal enhanced deep correction network	138
Global horizontal irradiance prediction model for multi-site fusion under different aerosol types	138
The use of kaolin and dolomite bed additives as an agglomeration mitigation method for wheat straw and miscanthus biomass fuels in a pilot-scale fluidized bed combustor	136
Organic photovoltaic modules integrated inside and outside a polytunnel roof	135
Effect of seepage condition in geological stratification on thermal response test analysis of borehole heat exchanger	135
Simultaneous optimization of electric production, azo dye, and yeast wastewater treatment in microbial fuel cell: Selection of the most suitable optimal conditions by PROMETHEE	135
Improving the performance of solar photovoltaic thermal cells using jet impingement and phase change materials cooling technology	134
Integration of renewable energy, environmental policy stringency, and climate technologies in realizing environmental sustainability: Evidence from OECD countries	133
Experimental and numerical study of a PV direct-coupled PEM electrolysis hydrogen production system	132
Biodiesel production via simultaneous esterification and transesterification of Periplaneta americana oil with liquid lipase Eversa® transform 2.0	132
A dual stable MOF constructed through ligand exchange for enzyme immobilization with improved performance in biodiesel production	131
Economic and sustainability prospects for wet waste valorization: The case for sustainable aviation fuel from arrested anaerobic digestion	131
Measuring regional variations and analyzing determinants for global renewable energy	130
Power consumption and oxygen transfer optimization for C5 sugar acid production in a gas-liquid stirred tank bioreactor using CFD-Taguchi method	130
A multi-parameter estimation of layered rock-soil thermal properties of borehole heat exchanger in a stratified subsurface	130
Modeling and stability investigation on the governor-turbine-hydraulic system with a ceiling-sloping tail tunnel	130
Evaluating the sustainability of the hydrogen economy using multi-criteria decision-making analysis in Korea	130
Spatiotemporal solar radiation forecasting driven by satellite-based and reanalysis data for distributed PV integration using fully-convolutional neural network	128
Strategic bidding for a hydro-wind-photovoltaic hybrid system considering the profit beyond forecast time	127
Benefits of establishing new energy consumption cities: Evidence from industrial enterprises sustainability	127
Numerical evaluation of heat extraction performance in enhanced geothermal system considering rough-walled fractures	126
Pyramid floating solar still with enhanced condensation surfaces operating under actual weather conditions	125
PV-MLP: A lightweight patch-based multi-layer perceptron network with time–frequency domain fusion for accurate long-sequence photovoltaic power forecasting	123
Experimental analysis of thermal energy variations in parabolic dish solar collector with hybrid heat storage medium	123
Experimental study on effects of compressor speed on a heat pump dryer system with auxiliary solar source	123
Experimental study of floating wind turbine control on a TetraSub floater with tower velocity feedback gain	122
Technical and economic analysis of biogas and solar photovoltaic (PV) hybrid renewable energy system for dairy cattle barns	121
Derivation and verification of three-dimensional wake model of multiple wind turbines based on super-Gaussian function	121