OOIR: Observatory of International Research

Papers

(The H4-Index of Energy Sources Part A-Recovery Utilization and Environmental Effects is 23. 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 2021-04-01 to 2025-04-01.)

Article	Citations
Study on separation of CO ₂ condensation from natural gas based on cellular automaton method	104
Ti-Fe-Si/C composites as anode materials for high energy li-ion batteries	103
Industrial wastewater treatment by electrocoagulation powered by a solar photovoltaic system	97
Photothermal performance of hybrid nanofluids with different base fluids for solar energy applications	71
Numerical investigation of the effect of nozzle hole diameter on the combustion, emission, and spray characteristics in a diesel engine	51
Ash melting and slagging and residual K ion content in biomass pellet combustion	42
Erosion wear research of wall-attachment jet component based on solid–liquid two-phase flow	42
Performance analysis of distillate quality in solar still using culinary discharge	41
Parametric optimization of dual media tank thermal energy storage systems using multi-criteria decision-making	40
Numerical study on particle-carrying ability of liquid nitrogen jet	38
An insight on deformation of pressurized heavy water reactor coolant channel at extreme temperature in an oxidizing environment	38
Research on risk management and control strategy of uranium resource procurement in China	36
Piecewise temperature dependent electrical equivalent modeling of PEM fuel cell for power conditioning unit design using fuzzy clustering and hybrid optimization	34
Numerical analysis of the jet characteristics and combustion process in an active pre-chamber combustion system fueled with methanol	32
Synthesis of biodiesel from waste cooking oil using a pulsed high-intensity ultrasound method	31
Design and performance evaluation of a novel photovoltaic and concentrated solar thermal system using parabolic trough-shaped spectrum filter	30
Experimental verification of permeability and inertial resistance coefficient model in the goaf	30
Numerical simulation of combustion characteristics and emission predictions of methane-air and hydrogen-air mixtures in a constant volume combustion chamber using multi-point laser-induced spark ignit	30
Examination of the performance of water-based CuO and graphene nanofluids to develop an efficient heat exchanger design	30
Laminar burning velocity and cellular instability of spherical propagation NH ₃ /H ₂ /air premixed flames under elevated temperatu	29
Investigation of sugar extraction capability from rice paddy straw for potential use of bioethanol production towards energy security	27
Fluidized bed gasification of wood chips using bottom ash derived from coal: optimization of operating conditions	25
Floating solar plants – Exploring a new dimension of energy generation: A case study	24
Co-pyrolysis of rice husk and cattle manure in N ₂ /CO ₂ atmosphere	23
The preparation of hydroxypropyl starch grafted acrylamide and its enhancement on flocculation of coal slime water	23

Optimal selection and challenges of municipal waste management system using an integrated approach: a case study