Original Article Solar Thermal Engineering
Energy Management for a Random Outage Grid-tied Hybrid Photo-voltaic Solar-Thermal Energy System for Health Center Applications

Selfa Johnson Zwalnan; Nanchen Nimyel Caleb; Peter Muar Kamtu; Pahalson Cornelius Dawap

Volume 5, Issue 2 , July 2024, Pages 131-145


  This research proposes and evaluates an enhanced open-loop photovoltaic evacuated tube solar thermal collector hybrid energy system based on the developed multi-objective energy management strategy that manages and coordinates the hybrid system with a randomly unreliable grid power source to meet the ...  Read More

Other Wind Energy
Wind Energy Potential Assessment in Douala Airport, and Identification of Favorable Areas in Vicinity

Cyrille Rodrigue Enone Ellah; Alban Fabrice Lionel Epée; Judith Francisca Ngbara Touafio; Cyrille Mezoue Adiang; Ruben Martin Mouangue

Volume 5, Issue 2 , July 2024, Pages 147-157


  This study aims to identify a favorable area for wind energy exploitation in the Littoral region of Cameroon. The study used data collected by the meteorological service at Douala International Airport. A probabilistic method based on the Weibull distribution with two parameters was used to assess the ...  Read More

Original Article Electricity Generation by Green Energy Sources
Potential of Accelerated Integration of Solar Electrification in Kenya’s Energy System

Cedric Okinda; Dominic Samoita; Charles Nzila

Volume 5, Issue 2 , July 2024, Pages 159-170


  The global electricity demand is rapidly growing due to population increase and industrialization. However, the reliance on fossil fuels and other non-renewable energy resources has resulted in climate change and other unsustainability-related issues. This study aims to determine the significant penetration ...  Read More

Original Article Biomass Energy Sources
Assessment and Biogas Production from Leftover Food in Main Campus of Ambo University in a Batch Anaerobic Digestion

Asefa Keneni Negassa; addisu turura

Volume 5, Issue 2 , July 2024, Pages 171-179


  The objective of this study was to assess and evaluate the biogas yield of food wastes generated from the main campus of Ambo University's student cafeteria in a batch anaerobic digestion. Food waste from preprocessing and leftover from the student cafeteria were collected and measured. Standard techniques ...  Read More

Original Article Biomass Energy Sources
Performance Evaluation of a Thermal Barrier-coated CI Engine using Waste Oil Biodiesel Blends

Praveen Kumar G Yadav; Din Bandhu; Jayasimha K. Reddy; Meenakshi R. Reddy; Chadaram Srinivasu; Ganesh Babu Katam

Volume 5, Issue 2 , July 2024, Pages 181-193


  Recycling plastics into energy sources is the most promising method for cutting down on pollution and trash. In this regard, predictions of adiabatic engines using pistons with thermal barrier coatings (TBCs) were made to reduce in-cylinder heat rejection, safeguard the underlying metallic surfaces from ...  Read More

Original Article Fuel Cells
A Comparative Investigation of L-Serpentine and Single Serpentine Flow Fields Efficiency in Proton Exchange Membrane Fuel Cells using Computational Fluid Dynamics

Amarnath Gundalabhagavan; Veeresh Babu Alur; Ganesh Babu Katam; Kshitij Bhosale

Volume 5, Issue 2 , July 2024, Pages 195-209


  Fuel cells have been identified as a promising technology to meet future electric power requirements. Out of various fuel cells, Proton Exchange Membrane Fuel Cells (PEMFC) has been staged up as they can operate at low temperatures and also have high power density. In this article, the flow field design ...  Read More

Original Article Photovoltaic Systems
A New Global Maximum Power Point Algorithm for Dynamic Shading Patterns of Partial Shading

Pankaj Verma; Bharat Gangal; Gaurav Jain; Ravi Hada

Volume 5, Issue 2 , July 2024, Pages 211-220


  Most of the partial shading maximum power point tracking methods have been designed for the static shading pattern of the partial shading conditions, however, the irradiance pattern may change further when in partial shading mode. Therefore, to cover this research gap, a global maximum power point control ...  Read More

Review Paper Biomass Energy Sources
A Review of Challenges to Adoption of Biodiesel as a Biesel Substitute in India

Madhurjya Saikia; Pranjal Sarmah; Partha P Borthakur

Volume 5, Issue 2 , July 2024, Pages 221-227


  Biodiesel, derived from biomass, offers significant environmental advantages by reducing CO2 and CO emissions and promoting energy self-sufficiency. Currently, biodiesel remains limited to DG sets used by a small number of farmers in India, with minimal adoption in the transportation sector. Numerous ...  Read More

Original Article Applications of Machine Learning Algorithms in Renewable Energies
LSTM and XGBoost Models for 24-hour Ahead Forecast of PV Power from Direct Irradiation

Kossoko Babatoundé Audace Didavi; Richard Gilles Agbokpanzo; Bienvenu Macaire Agbomahena

Volume 5, Issue 2 , July 2024, Pages 229-241


  In this work, the photovoltaic power forecast for the next 24 hours by combining a time series forecasting model (LSTM) and a regression model (XGBoost) from direct irradiation only is performed. Several meteorological parameters such as irradiance, ambient temperature, wind speed, relative humidity, ...  Read More

Original Article Energy Policy
Development of a New Method in Exergy Analysis of a CSP Plant

Moslem Akbari Vakilabadi; Sadegh Nikbakht Naserabad; Alireza Binesh

Volume 5, Issue 2 , July 2024, Pages 243-258


  In this paper, it is determined exactly how much of the loss of exergy in a specify component is concerning the own component and how much of the exergy loss is due to the effects of the rest of the components on that component. In this new method of exergy analysis, at first, the exergy loss in a component ...  Read More

Original Article Desalinations Systems with Renewable Energies
Simulation of a Low-capacity Solar MSF Desalination Unit for a Steam Power Plant by Thermoflow Software

Neda Mehtari; Mostafa Kahani; Mohammad Zamen

Volume 5, Issue 2 , July 2024, Pages 259-268


  The current research focuses on the utilization of three waste water streams from a power plant located in southwestern Iran for desalination purposes and to prevent the waste of heat from the boiler blowdown stream while reducing carbon dioxide emissions by preheating the cooling water. Three different ...  Read More

Original Article Biomass Energy Sources
Predicting Performance Characteristics of an Engine Fueled by Algal Biodiesel-Diesel using Response Surface Methodology

Mohammad Khoobbakht; Mohsen Soleymani; Kamran Kheiralipour; Mahmoud Karimi

Volume 5, Issue 2 , July 2024, Pages 269-279


  The effect of biodiesel percentage in biodiesel-diesel blends on the engine under different engine operation conditions must be predicted to achieve high performance. The goal of the present paper was to model brake power, brake torque, thermal efficiency, and specific fuel consumption of a diesel engine ...  Read More