OOIR: Observatory of International Research

Papers

(The H4-Index of Sustainable Energy Technologies and Assessments is 43. 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
Erosive flow field investigation on guide vanes of Francis turbine – A systematic review	124
Economic analysis and experimental investigation of a direct absorption solar humidification-dehumidification system for decentralized water production	116
Performance analysis on a hybrid system of wind, photovoltaic, thermal, storage, CO2 sequestration and space heating	111
Energy technology assessment in managing sustainable energy transitions: A bibliometric analysis	110
Recent developments in solar-powered refrigeration systems and energy storage methods for on-farm preservation of fruits and vegetables	94
Fuzzy multi-objective optimization model for carbon emissions during water supply based on life cycle assessment	93
Assessing the scope of vehicle integrated photovoltaics in urban driving conditions – Case study of a Tier-II city in southern India	93
Advances in smart cities with system integration and energy digitalization technologies: A state-of-the-art review	82
Sustainable approach to cigarette butts management: From waste to new building material component	81
Experimental study of voltage uniformity and stability of H2/O2 PEM fuel cell stack with dead-end anode and recirculation cathode	80
Green warehousing practices: Assessing the impact of PV self-consumption enhancement strategies in a logistics warehouse	79
How are energy R&D investments beneficial in ensuring energy transition: Evidence from leading R&D investing countries by novel super learner algorithm	77
Transitioning from net-metering to net-billing: A model-based analysis for Poland	76
Building-integrated passive and renewable solar technologies: A review from 3E perspectives	73
Novel technologies for the sustainable development of energy, water and environmental systems	72
Performance assessment of an improved gasifier stove using biomass pellets: An experimental and numerical investigation	71
Editorial Board	71
Ruthenium dioxide anchored on reduced graphene oxide nanocomposite for 1.2 V symmetric supercapacitor devices	69
Fluidized bed gasification of biomass from plant-assisted bioremediation: Fate of contaminants	68
Nickel-Manganese bimetallic Selenide as an electrode for supercapcitor applications	65
Water photovoltaic plant contaminant identification using visible light images	64
Low temperature heating system for greenhouses based on enclosed water curtain and liquid foam insulation	63
Energy efficiency and environmental impacts of horizontal small wind turbines in Austria	62
Evaluation of iron-based chemical looping for hydrogen production from biomass using combined power cycle with carbon capturing and storage	60
Optimal design for efficiency enhanced hierarchical cell-to-cell equalization systems based on centralized model predictive control	56

Optimization assisted CFD for using double porous cylinders on the performance improvement of TEG mounted 3D channels	56
New concept on 100.74 kWp floating solar photovoltaic plant and a real mechanical failures assessment: Case of study at Santa Clara hydroelectric power plant reservoir in southern Brazil	56
An energy-efficient and secure framework for IoMT: An application of smart cities	56
Chemiresistive La-doped BaTiO3 microspheres for ambient-temperature formaldehyde gas sensing	55
New procedure for an optimal design of an integrated solar tower power plant with supercritical carbon dioxide and organic Rankine cycle and MED-RO desalination based on 6E analysis	55
LED algal microbial fuel cell stack balancing conception: Electronic voltage reversal blockage, light feed-starvation cycling, and aeration	55
Electrochemical evaluation of lab-scale chamber benthic microbial fuel cell	54
Numerical and experimental analysis of blade-tower clearance for large-scale wind turbines	53
Electrical energy storage from a combined energy process based on solid oxide fuel cell and use of waste heat	52
Impacts of different AHU configurations on health and students’ performance in Italian schools in post-pandemic era	51
Algorithmic optimisation of the electrical power output of a low-cost, multicore thermoacoustic engine with varying resonator pressure	49
An efficient chaos-based image encryption algorithm using real-time object detection for smart city applications	49
Piezoelectric resonator design and analysis from stochastic car vibration using an experimentally validated finite element with viscous-structural damping model	48
Stability and thermal analysis of a single-phase natural circulation looped parabolic trough receiver	47
Accelerated performance optimization of drive axle housings based on the pseudo-damage reservation method	46
Resilience-oriented proactive peer to peer multiple energy carriers swapping framework for the partial networked energy hubs	45
Techno-economic evaluation and analysis of solar hybrid cooling systems with cool energy buffer for cold storages	44
Losses in bifacial PERC solar cell due to rear grid design and scope of improvement	43
Theoretical assessment of energy recovery from Beekeeping waste (Slumgum)	43