OOIR: Observatory of International Research

Papers

(The H4-Index of Energy Sources Part A-Recovery Utilization and Environmental Effects is 29. 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 2020-03-01 to 2024-03-01.)

Article	Citations
Characteristics and trends of coal mine safety development	123
Investigations on the mechanism of the microstructural evolution of different coal ranks under liquid nitrogen cold soaking	86
Plastics: friends or foes? The circularity and plastic waste footprint	82
Optimal model evaluation of the proton-exchange membrane fuel cells based on deep learning and modified African Vulture Optimization Algorithm	78
Optimum structure of a combined wind/photovoltaic/fuel cell-based on amended Dragon Fly optimization algorithm: a case study	70
Record decline in global CO₂ emissions prompted by COVID-19 pandemic and its implications on future climate change policies	66
Optimal modeling of combined cooling, heating, and power systems using developed African Vulture Optimization: a case study in watersport complex	62
Mission, challenges, and prospects of renewable energy development in Vietnam	60
Effects of injection pressure on the NOx and PM emission control of diesel engine: A review under the aspect of PCCI combustion condition	59
Advances in nutrient management make it possible to accelerate biogas production and thus improve the economy of food waste processing	57
Investigation into the effects of SiO₂/TiO₂ nanolayer on the thermal performance of solar box type cooker	50
The role of Remote Working in smart cities: lessons learnt from COVID-19 pandemic	47
Performance enhancement of photovoltaic module by integrating eutectic inorganic phase change material	44
Advances in the agrochemical utilization of fermentation residues reduce the cost of purpose-grown phytomass for biogas production	42
Gas flow laws in coal subjected to hydraulic slotting and a prediction model for its permeability-enhancing effect	39
Present and future impact of COVID-19 in the renewable energy sector: a case study on India	38
Effect of different device parameters on tin-based perovskite solar cell coupled with In₂S₃ electron transport layer and CuSCN and Spiro-OMeTAD alternative hole transport layers	38
Analyzing energy consumption factors during coronavirus (COVID-19) pandemic outbreak: a case study of residential society	38
Shower cooler reduces pollutants release in production of competitive cement substitute at low cost	37
A novel PSO strategy for improving dynamic change partial shading photovoltaic maximum power point tracker	36
A remarkable review of the effect of lockdowns during COVID-19 pandemic on global PM emissions	36
Waste coconut oil methyl ester with and without additives as an alternative fuel in diesel engine at two different injection pressures	33
Effect of split fuel injection strategies on the diverse characteristics of CRDI diesel engine operated with tamarind biodiesel	33
Optimal location identification for aggregated charging of electric vehicles in solar photovoltaic powered microgrids with reduced distribution losses	32
Potential assessment of some micro- and macroalgal species for bioethanol and biodiesel production	31

Integration of electric vehicle charging stations and capacitors in distribution systems with vehicle-to-grid facility	30
Critical review on the characteristics of performance, combustion and emissions of PCCI engine controlled by early injection strategy based on narrow-angle direct injection (NADI)	30
Optimal Sizing of Stand Alone Hybrid Renewable Energy System with Load Shifting	29
A novel intelligent transport system charging scheduling for electric vehicles using Grey Wolf Optimizer and Sail Fish Optimization algorithms	29
Effect of different batteries and diesel generator on the performance of a stand-alone hybrid renewable energy system	29