Hybridization of Moringa stenopetala and Azadirachta indica Seed Oil to Synthesize Biodiesel with Improved Quality

Degnechew Genene Demisu; S. Kebede; Daniel Gebeyehu Wondifraw

Volume 4, Issue 1 , January 2023, , Pages 1-12

https://doi.org/10.22044/rera.2022.11955.1127

Abstract
  Biodiesel has been considered as biodegradable, green, cleaner, alternative, renewable and eco-friendly energy source. It can supersede petrol-diesel and help to solve challenges accompanied with energy crisis, socio-economic, environmental pollution, climate change and global warming. Hybridization ...  Read More

Electricity Generation by Green Energy Sources
Stand-alone Solar Photo-voltaic Systems for Off-grid Electrification

Melkior Urbanus; Ghaeth Fandi; Erick Mgaya; Zdenek Muller; Josef Tlusty

Volume 5, Issue 1 , January 2024, , Pages 1-9

https://doi.org/10.22044/rera.2023.13015.1218

Abstract
  Electric energy is necessary to meet the daily needs of the population, as it is used in cooking, heating, irrigation, lighting and others. There are many residential areas far from the public electricity network, hence the importance of solar energy in meeting the needs of these residents. This paper ...  Read More

Photovoltaic Systems
Facilitating Photovoltaic Cells Performance Improvement through the Deployment of Engineered Organic Nanomaterials

Williams S. Ebhota; Pavel Tabakov

Volume 6, Issue 1 , January 2025, , Pages 1-21

https://doi.org/10.22044/rera.2023.13365.1233

Abstract
  This research provides concise insights into fossil fuel consumption challenges, and the factors contributing to global warming, and evaluates the significance of photovoltaic (PV) materials in achieving net-zero-CO2 emissions. The article categorizes constraints in the development of PV cells into four ...  Read More

Energy, Exergy, and Economic Analyses and Optimization of Solar Organic Rankine Cycle with Multi-objective Particle Swarm Algorithm

A. Beiranvand; M.A. Ehyaei; A. Ahmadi; Jose Luz Silvaria

Volume 2, Issue 1 , January 2021, , Pages 9-23

https://doi.org/10.22044/rera.2020.9998.1038

Abstract
  The high potential of solar energy in Iran, as well as the problem of air pollution, makes it increasingly inevitable that solar energy is used. In this study, the solar-powered Organic Rankine cycle (ORC) has been investigated. The solar-type collector is a flat plate collector. The energy, exergy, ...  Read More

Solar Thermal Engineering
Assessment of Solar Energy Availability and its Potential Applications in NEOM Region

Zaid Aljohani; Abdulkarim Asiri; Salem Al-Awlaqi; Turki Aljohani; Hossam AbdelMeguid

Volume 5, Issue 1 , January 2024, , Pages 11-19

https://doi.org/10.22044/rera.2023.12674.1201

Abstract
  NEOM is a proposed megacity and business zone in Kingdom of Saudi Arabia (KSA). It was announced in 2017 by Crown Prince Mohammed bin Salman with the goal of creating a hub for innovation and a hub for the future of living. NEOM is planned to cover an area of over 26,500 square miles and will include ...  Read More

Investigation of Arc Angle Rotor Blade Variations Effect of Savonius Vertical Axis Wind Turbine on Power and Torque Coefficients Using a 3D Modeling

M. Akhlaghi; F. Ghafoorian

Volume 4, Issue 1 , January 2023, , Pages 13-19

https://doi.org/10.22044/rera.2022.11282.1084

Abstract
  Unacceptable air pollution leads to a remarkable increase in the consumption of renewable energy. Wind energy is known as one of the conventional renewable sources, therefore installation of wind turbines has increased over the past three decades. Savonius wind turbine is one of the types of vertical ...  Read More

Optimization, Sensitivity Analysis, and Techno-Economic Evaluation of a Multi-Source System for an Urban Community: a Case Study

R. Alayi; Syed R. Seydnouri; M. Jahangeri; A. Maarif

Volume 3, Issue 1 , January 2022, , Pages 21-30

https://doi.org/10.22044/rera.2021.10752.1054

Abstract
  Given the decline of non-renewable energy sources, trying to find new technologies and ways to supply energy and reduce fuel consumption is one of the top priorities of the world. One of the new technologies is fuel cell technology, which has received very little attention in Iran so far, and there is ...  Read More

Integration of Renewable Energy-Based Systems for Transport Sector in 2050; a Case Study in Iran

A. R. Babaie Pirouziana; R. Zahedi; A. Ahmadi; N. Olya

Volume 4, Issue 1 , January 2023, , Pages 21-30

https://doi.org/10.22044/rera.2022.11910.1124

Abstract
  Recent studies have shown that the integration of power generation, seawater desalination, and industrial gas production can significantly reduce costs and generate clean energy on a large scale. On the other hand, by the growth of population, transportation has been known as a major consumer of fuel ...  Read More

Photovoltaic Systems
New Empirical Models for Estimation of Diffuse Radiation using Satellite Data

Mustafa Arslan; Mehmet Cunkas

Volume 5, Issue 1 , January 2024, , Pages 21-33

https://doi.org/10.22044/rera.2023.12439.1183

Abstract
  Diffuse radiation is used in photovoltaic systems and other energy applications. Since global radiation is measured by local meteorological stations, it is possible to reach these radiation data. However, diffuse radiation is not usually measured, so it is not possible to obtain regular data on diffuse ...  Read More

Electricity Generation by Green Energy Sources
Design of an On-grid PV System as a Power Backup to Provide a Reliable Electricity Supply

Rahmat Adiprasetya Al Hasibi; Bagustama Hamka

Volume 6, Issue 1 , January 2025, , Pages 23-33

https://doi.org/10.22044/rera.2023.13485.1242

Abstract
  The implementation of on-grid PV systems was conducted to ensure a continuous supply of electricity. This article discusses implementing an on-grid PV system in a fish farm that requires a continuous electricity supply. Continuous electricity is used to power the aeration system. The aeration system ...  Read More

Potential, Current Status, and Applications of Renewable Energy in Energy Sector of Iran: A Review

Pourkiaei S. Mohsen; F. Pourfayaz; R. Shirmohamadi; S. Moosavi; N. Khalilpoor

Volume 2, Issue 1 , January 2021, , Pages 25-49

https://doi.org/10.22044/rera.2020.8841.1008

Abstract
  During the last decade, serious issues such as energy demand, depletion of fossil fuels and their environmental impacts draw attention towards renewable energy sources. In addition, the energy supply chain of Iran is deeply reliant upon fossil fuels. Further obstacles such as electricity blackouts in ...  Read More

Investigation of Solar-Driven Hydroxy Gas Production System Performance Integrated with Photovoltaic Panels with Single-Axis Tracking System

F. Salek; M. Rahnama; H. Eshghi; M. Babaie; M. M. Naserian

Volume 3, Issue 1 , January 2022, , Pages 31-40

https://doi.org/10.22044/rera.2021.10768.1056

Abstract
  In this study, a solar driven alkaline electrolyzer producer of hydroxy gas is proposed which is integrated with photovoltaic panels with single-axis north-south solar tracking system. The main novelty of this work is providing transient analysis of integration of alkaline electrolyzer to the PV panels ...  Read More

Modal Dynamics of NREL 5MW Wind Turbine During Normal and Parked Conditions

Seyyed A. Sina; B. Balanian

Volume 4, Issue 1 , January 2023, , Pages 31-39

https://doi.org/10.22044/rera.2022.11985.1129

Abstract
  Multi-Megawatt wind turbines have long, slender and heavy blades that can undergo extremely wind loadings. Good understanding of the modal dynamics of these large machines is of great priority. In this paper, modal dynamics of NREL 5 MW wind turbine is investigated. To this aim, FAST software has been ...  Read More

Fuel Cells
Optimization of Tapering Angle of Flow Channels of Pemfuel Cell: A Numerical Study

Amarnath Gundalabhagavan; Veeresh Babu Alur; Kshitij Bhosale

Volume 5, Issue 1 , January 2024, , Pages 35-44

https://doi.org/10.22044/rera.2023.12517.1193

Abstract
  Proton Exchange Membrane fuel cells (PEMFCs) are essential for the efficient operation of hydrogen-powered automobiles. To improve their performance, researchers have proposed tapered flow channels as a possible solution. However, determining the optimal value for the tapering has not been explored in ...  Read More

Geothermal Energy Systems
Exergetic Performance Assessment of a Double-Flash Geothermal Power Plant in Puga Valley, India

Prabin Haloi; Ankit Kumar; Joyshree Dutta; Desire Fadzi Makunike

Volume 6, Issue 1 , January 2025, , Pages 35-46

https://doi.org/10.22044/rera.2023.13634.1253

Abstract
  The application of a geofluid is primarily characterized by its geofield conditions and locations. One such application of geofluid is in power generation using suitable energy conversion systems. In this study, a thermodynamic model of a double-flash geothermal power plant (DFGPP) has been developed ...  Read More

Electricity Generation by Green Energy Sources
Design and Simulation of Grid Connected Solar Si-Poly Photovoltaic Plant Using PVsyst For Pune, India Location

P. Rajendra Jagadale; A. Bhimji Choudhari; S. Sanjay Jadhav

Volume 3, Issue 1 , January 2022, , Pages 41-49

https://doi.org/10.22044/rera.2021.11057.1069

Abstract
  During past decades, increasing energy demand across the world fueled energy production significantly, which lead to environmental impacts such as Global warming, depletion of the ozone layer, it also endangered the Species. Hence, the whole world started shifting towards green energy generation, eliminating ...  Read More

Photovoltaic Systems
Techno-economic and Environmental Analysis of Floating Photovoltaic Power Plants: A case Study of Iran

M. Mirzaei Omrani; M. Mirzaei Omrani

Volume 4, Issue 1 , January 2023, , Pages 41-54

https://doi.org/10.22044/rera.2022.11726.1104

Abstract
  Solar energy as renewable and clean energy has a remarkable share in improving the water-energy-food nexus. However, due to occupying a vast area of land, the development of large-scale photovoltaic systems is a serious challenge, particularly in regions with land restrictions. As a solution, it is argued ...  Read More

Biomass Energy Sources
Ethanol Blending in Petrol: Current Status and Prospects in India

Madhurjya Saikia; Pranjal Sarmah; Rupam Deka; Dipankar Das

Volume 5, Issue 1 , January 2024, , Pages 45-49

https://doi.org/10.22044/rera.2023.12885.1208

Abstract
  India has experienced rapid industrialization, propelling it to be the world's 3rd largest energy consumer. Among the sectors driving this energy consumption, the transportation industry plays a significant role. In the fiscal year 2022-23, India witnessed a surge in petroleum consumption, reaching a ...  Read More

Energy Policy
Assessing Renewable Energy Impact in Nordic-Baltic Region: Sensitivity Analysis and MCDM Approach

Nazlı Ersoy

Volume 6, Issue 1 , January 2025, , Pages 47-60

https://doi.org/10.22044/rera.2023.13416.1238

Abstract
  The article presents an MCDM model based on the Improved Entropy and PIV methods to analyze the development of renewable energy in Nordic-Baltic countries. The analysis was conducted on eight alternatives and ten criteria, and sensitivity analysis was applied to assess the model's suitability. The impact ...  Read More

Exploration of Biomass for the Production of Bioethanol: “A Process Modelling and Simulation Study”

T. Oyegoke; M.Y. Sardauna; H.A. Abubakar; E. Obadiah

Volume 2, Issue 1 , January 2021, , Pages 51-69

https://doi.org/10.22044/rera.2020.10287.1042

Abstract
  Bio-ethanol is a clean and renewable fuel that is significantly gaining attention, mainly via its major environmental benefits produced from diverse resources. The campaign for the establishment of biorefineries and encouragement of fossil fuels is gradually gaining greater attention. This research seeks ...  Read More

Wind Energy
CFD Analysis of Vertical Axis Wind Turbine with Winglets

Sh.Sh. Dol; A. Khamis; M. T. Abdallftah; M. Fares; S. Sh. Pervaiz

Volume 3, Issue 1 , January 2022, , Pages 51-59

https://doi.org/10.22044/rera.2021.11122.1074

Abstract
  The current research illustrates the optimization of Vertical Axis Wind Turbine (VAWT) blades with implementation of added winglets displaying improved self-starting capabilities. The application of improved design is to be utilized in a university campus located in United Arab Emirates (UAE) in order ...  Read More

Desalinations Systems with Renewable Energies
Assessment of Appropriate Renewable Energy Resources for India using Entropy and WASPAS Techniques

Pankaj PRASAD Dwivedi; Dilip KUMAR Sharma

Volume 5, Issue 1 , January 2024, , Pages 51-61

https://doi.org/10.22044/rera.2023.12960.1215

Abstract
  Energy, a necessary component of the invention, has negative externalities on the health of humans and the environment due to its production and use, which hinders national growth. For this reason, countries should act with two main motivations when choosing energy sources. The first should be economic ...  Read More

Biomass Energy Sources
Hydrodynamic Behavior of Biomass Micro-Particles in Counter-Flow Combustion of Dust Clouds

M. Akbari Vakilabadi; A.R. Binesh; M. Monfared

Volume 4, Issue 1 , January 2023, , Pages 55-66

https://doi.org/10.22044/rera.2022.11963.1128

Abstract
  A mathematical model has been investigated to predict the effect of hydrodynamic forces, especially thermophoretic forces on micro organic particles in counter-flow combustion in this research. Hydrodynamic forces change the velocity and concentration of evaporative organic particles moving toward the ...  Read More

Wind Energy
Investigation of Wind energy potential in Zanjan province, Iran

Sh. Mohammadi; A. Maleki; R. Ehsani; O. Shakouri

Volume 3, Issue 1 , January 2022, , Pages 61-70

https://doi.org/10.22044/rera.2021.10682.1052

Abstract
  The present study aims to investigate the possibility of using wind energy in some regions of Zanjan province. The current research concentrates on computing the wind energy potential and wind power density. Furthermore, some features related to wind for two locations in Zanjan province have been obtained. ...  Read More

Photovoltaic Systems
Lambert W Function-based Technique to Estimate and Compare Performance of Partially Shaded Series-parallel and Total-cross-tied Configured PV Array

Niti Agrawal

Volume 6, Issue 1 , January 2025, , Pages 61-73

https://doi.org/10.22044/rera.2024.13624.1251

Abstract
  Partial shading condition (PSC) has a detrimental effect on the output performance of a photovoltaic (PV) system. The output performance of a partially shaded PV array depends not only on the pattern, intensity and location of the shadow but also on its configuration. In this paper, the output performance ...  Read More