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Open Access

ISSN 2690-1692

© 2023 by the authors; CC BY 4.0 licence

Journal of Energy and Power Technology , Volume 5 , Issue 2 (2023)

Pages: 217

Published: August 2023

(This book is a printed edition that was published in Journal of Energy and Power Technology)

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Cover Story: This article analyzes the effect of using waste cooking oil biodiesel and blends of waste cooking biodiesel and diesel in various proportions in a compression ignition engine. The effect was analyzed in relation to the engine performance, combustion, and emission characteristics while utilizing positive overlap of 32o.View this paper.

Volume 5,Issue 2

Open Access Retraction

Retraction: Simani S, Farsoni S, Castaldi P. Transfer Learning for Fault Detection with Application to Wind Turbine SCADA Data. Journal of Energy and Power Technology 2023; 5(1): 011

Received: 25 June 2023;  Published: 28 June 2023;  doi: 10.21926/jept.2302021

Abstract

RetractionRetraction: Simani S, Farsoni S, Castaldi P. Transfer Learning for Fault Detection with Application to Wind Turbine SCADA Data. Journal of Energy and Power Technology 2023; 5(1): 011Journal of Energy and Power Technology Editorial OfficeLIDSEN Publishing Inc., 2000 Auburn Drive, One Chagrin Highlands, Suite 200, Beachwood, OH, USA; E-Mail: jep [...]

Open Access Original Research

Effects of Waste Cooking Oil Biodiesel on Performance, Combustion and Emission Characteristics of a Compression Ignition Engine

Received: 07 February 2023;  Published: 20 June 2023;  doi: 10.21926/jept.2302020

Abstract

With their higher sustainability index, biofuels, environmentally-friendly and renewable nature is a viable alternative energy source in the transportation sector. This study presents the effect of waste cooking oil (WCO) biodiesel on performance, combustion, and emission from a compression ignition engine. The biodiesel was blended with diesel in varying proportions of 5% biodiesel and 95% diesel (designated as B5), 10% biodiesel in diesel (B10), 15% biodiesel in diesel (B15), 20% biodiesel in [...]

Open Access Review

A Review of Practical Applications of Fluid Flow and Associated Heat Transfer Modeling in Wellbores

Received: 28 March 2023;  Published: 12 June 2023;  doi: 10.21926/jept.2302019

Abstract

Investigations on two-phase gas/liquid flow in pipes have been under study for nearly six decades. These studies have significantly assisted in managing fluid flow in the wellbore and surface networks, leading to the separation of phases and transmission of oil and gas into the market. This study summarizes some of the main lessons learned in flow through wellbores. Besides understanding some of the fundamental principles, we focused on the practical items of [...]

Open Access Original Research

Nonlinear Optimal Control for Six-Phase Induction Generator-Based Renewable Energy Systems

Received: 07 December 2022;  Published: 11 May 2023;  doi: 10.21926/jept.2302018

Abstract

The article aims at optimizing six-phase induction generator-based renewable energy systems (6-phase IGs or dual star induction generators) through a novel nonlinear optimal control method. Six-phase induction generators appear to be advantageous compared to three-phase synchronous or asynchronous power generators, in terms of fault tolerance and improved power generation rates. The dynamic model of the six-phase induction generator is first written in a nonlinear and multivariable state-space f [...]

Open Access Original Research

Fixed-Switching Frequency Finite-State Model Predictive Thrust and Primary Flux Linkage Control for LIM

Received: 14 February 2023;  Published: 09 May 2023;  doi: 10.21926/jept.2302017

Abstract

The special design of linear induction machines (LIMs) leads to adverse effects caused by the longitudinal and end effects. These effects make the thrust control of the LIMs most attractive because its value decreases sharply with the speed increase. Thus, finite-state model predictive control (FS-MPC) is developed to increase the performance of the LIMs. However, the variable switching frequency is the main drawback of this control. Consequently, the main objectives of this paper are to propose [...]

Open Access Original Research

Non-Isothermal Compressible Flow Model for Analyzing the Effect of High CO2 Inlet Flow Rate on Particle Size in a Supercritical Antisolvent Process

Received: 17 December 2022;  Published: 18 April 2023;  doi: 10.21926/jept.2302016

Abstract

In this work with CFD simulations, the evaluation of the supercritical anti-solvent (SAS) process for producing nanoparticles from an expanded solution of ethanol/solute in carbon dioxide is reported. The influence of the solution and antisolvent flow rates on mean particle size, the flow dynamic, and the supercritical mixture's jet velocity must be well established in the literature and analyzed. The high flow rate of the anti-solvent resulted in increased mean particle sizes for all studied ca [...]

Open Access Original Research

Thermodynamic and Structural Optimization of Organic Rankine Cycle Plant for Clean Energy Access Using Artificial Bee Colony and Multi-Criteria Decision-Making Algorithms

Received: 29 December 2022;  Published: 13 April 2023;  doi: 10.21926/jept.2302015

Abstract

The quest to decarbonize the energy space to avert the negative climate change consequences calls for using low/zero-carbon energy conversion technologies in the energy generation space. The Organic Rankine Cycle is a low/zero-carbon energy conversion technology for recovering waste heat from low to medium-temperature heat sources and for biomass conversion. Therefore, this paper presents the thermodynamic optimization, with an artificial bee colony algorithm, of different ORC configurations, in [...]

Open Access Review

The Eastern Australian Floods of February 2022 and Its Relationship with Climate Change

Received: 19 October 2022;  Published: 07 April 2023;  doi: 10.21926/jept.2302014

Abstract

During February 2022 major riverine flooding occurred in an area which has the fastest population growth in Australia. This extended from the Mary River in Southeast Queensland (SEQ) to the Clarence River in Northeast NSW (NENSW). Two centres within this area were devastated by floods unprecedented in living memory. One was the Brisbane Metropolitan area where all-time record daily rainfall in the suburbs flooded creeks. This creek flooding was much worse than that caused by the Brisbane River i [...]

Open Access Research Article

Techno-Economic Analysis of Waste-to-Suburban Cooking Energy Critical Infrastructure Development in Southwestern Nigeria

Received: 08 September 2022;  Published: 03 April 2023;  doi: 10.21926/jept.2302013

Abstract

This study examined the techno-economic specifications for a Waste-to-Suburban Cooking Energy critical infrastructure project in Southwestern Nigeria. Technological and project economic data for the W2E project were obtained from strategic sources and energy project foresight/analysis framework used. The results showed residential upgraded biogas-for-cooking demand of approximately 10,243 m3/month, and municipal solid waste (MSW) input of appro [...]
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