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409 articles for “alternative energy”
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Study of Green Roof Tops in India
Abstract: The goal is a testament to the general public, professionals and government institutions of the benefits that green roofs have on quality of life in an urban environment in India. It willfocus on the significance of green roofs as insulating material and their role in mitigating the carbon footprint of the buildings through a drastic reduction of energy inputs for their conditioning alongside the management of storm-water.Keywords: Green roof top; …
Published in Journal of Alternate Energy Sources & Technologies · Vol. 11, Issue 3, 2020 · pp. 38–42 Read article
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Performance Estimation of Self-Excited Induction Generator under Different Power Factor Loading
Abstract: The paper presents a model, which has been analyzed using genetic algorithm, in order to estimate the steady state performance of three-phase self-excited induction generator under unbalanced operation. The technique as proposed has been implemented on a 15 KW rating machine to see the effect of variation in load power factor of one phase and two phases simultaneously on phase voltages, phase currents, degree of unbalance, power output, power losses …
Published in Journal of Alternate Energy Sources & Technologies · Vol. 7, Issue 2, 2016 · pp. 12–16 Read article
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Design and Simulation of Solar, Wind, Biomass Hybrid Power Generation for Remote Island
Abstract: AbstractIn Bangladesh, there are lots of islands located near the Bay of Bengal. Saint Martin is one of the most popular and populated islands among them. It is situated 9 km south of Bangladesh land and it has around 8000 people live in there. Though Saint Martin is a small island, it has a large power demand. For this huge power demand, the diesel power generator cannot full fill the …
Published in Journal of Alternate Energy Sources & Technologies · Vol. 10, Issue 3, 2019 · pp. 47–58 Read article
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Kinetic Studies of Pristine and Nanonickel Catalyzed Ammonia Borane
Abstract: The high hydrogen content chemical hydride, Ammonia Borane (NH3BH3, AB) is considered in its pure and catalyzed form for decomposition kinetics. The thermodynamics and slow kinetics are the major issues in addition to potential damage the material likely to cause to the fuel cell. The ability of AB for faster dehydrogenation at lower temperatures with Nickel in its nanoform is explored. The release kinetics, activation energy is computed using Kissinger …
Published in Journal of Alternate Energy Sources & Technologies · Vol. 6, Issue 1, 2015 · pp. 7–13 Read article
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Solutions to Overcome SQ Limits for Modelling Efficient Solar Cell and Introduction to Novel QD-MJSC Design
Abstract: AbstractHarnessing the solar power with maximum energy conversion efficiency can fulfill every electrical demand of the world. Depending on the designing of models, the commercial solar cell is being tested. To harness the entire energy on optimum cost, the material is selected in such a way that the overall outcome become beneficiary. In recent market available solar cell, there are still more criteria to be taken care of to improve …
Published in Journal of Alternate Energy Sources & Technologies · Vol. 10, Issue 3, 2019 · pp. 37–46 Read article
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Performance Evaluation of Diesel Engine Fuelled with Karanja Biodiesel
Abstract: The aim of this study is to evaluate the performance of diesel engine fuelled with karanja (Pongamia pinnata) based biodiesel (B100). A single cylinder, air-cooled, constant speed (1500 rpm) direct injection diesel engine was operated with diesel and karanja based biodiesel (B100). The results indicate that biodiesel fuelled engine has lower Brake Thermal efficiency (BTE), whereas the Break Specific Energy Consumption (BSEC) is higher. The Air-fuel ratio and exhaust temperature …
Published in Journal of Alternate Energy Sources & Technologies · Vol. 9, Issue 3, 2018 · pp. 40–43 Read article
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A Review of the Advancements in Geothermal Heating and Cooling System
Abstract: The increasing demand for energy and the depleting fossil fuels have fuelled explorations in new frontiers of renewable energy technology. Geothermal heating and cooling is a new advancement in HVAC industry of India. It uses earth’s heat for space heating and cooling with the use of heat pump systems, saving up to 51% electricity consumption in HVAC, and reduced CO2 emissions. The main prospects of geothermal energy are longer equipment …
Published in Journal of Alternate Energy Sources & Technologies · Vol. 8, Issue 1, 2017 · pp. 1–5 Read article
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Design and Implementation of BLDC Motor Driven Electric Vehicle Using MPPT Controller
Abstract: Minimal and medium power applications benefit greatly from BLDC motor efficiency, high torque-to-inertia ratio, large energy volume, low maintenance requirements and wide speed control range. Resistance found that by deleting phase current sensors and regulating the basic frequency switching of the voltage source inverter (VSI), the proposed control algorithm lowers power losses caused by high frequency switching. With Modern days fuel prices soaring so high for common people, electrical engineers …
Published in Trends in Electrical Engineering · Vol. 12, Issue 1, 2022 · pp. 41–51 Read article
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Recent Developments in Solar Photovoltaics and Thermal Hybrid Technology
Abstract: The electrical performance of solar PV panel decreases with increase in the panel/module temperature which is cause of concern in the summer season. To decrease the effect on electrical performance due to increase in module temperature, heat is extracted from the module and used as thermal energy. Heat exchanger or heat extraction device is put on the rear surface of the PV panel and working fluid or coolant is flowed …
Published in Journal of Alternate Energy Sources & Technologies · Vol. 6, Issue 1, 2015 · pp. 14–34 Read article
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Review on Design and Development of Hydrogen Production System using HHO Dry Cell Method
Abstract: The current work aims to review an experimental setup for the production of HHO gas. It involves the production of HHO gas by dry cell method, and selecting an appropriate electrolyte for production of HHO gas. The system involves sizing and selection of components like bubbler, measuring devices, moisture removal dryer and safety device like flash back arrestor. HHO gas thus produced can be used in a brazing, welding and …
Published in Journal of Alternate Energy Sources & Technologies · Vol. 7, Issue 2, 2016 · pp. 56–59 Read article
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Hybrid PV-PCM System to Increase Efficiency
Abstract: AbstractThis paper studies a hybrid design for the photovoltaic industry made up of a conventional photovoltaic panel and a Phase Change Material (PCM) to increase the efficiency of the panel as well as to generate thermal energy. The system has been based on thermal transfer from the PV panel to the PCM through direct contact, thus reducing the operating temperature of the panel and improving its efficiency. The system operates …
Published in Journal of Alternate Energy Sources & Technologies · Vol. 11, Issue 2, 2020 · pp. 15–26 Read article
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Design and Development of Prototype of Air Cooling System for Truck Cabin using Heat from Engine Exhaust
Abstract: AbstractThe present work, the major spotlight is towards the design and development of a prototype of ai cooling system for the cabin of a truck c using waste heat from exhaust of an engine. From the literature review in the field of automobile air conditioning, it is observed that very less work has been done in the field of cabin cooling of transport trucks, which is crucial. The available options …
Published in Journal of Alternate Energy Sources & Technologies · Vol. 10, Issue 2, 2019 · pp. 18–25 Read article
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Natural Convection Heat Transfer from Annular Step Fins and Annular Triangular Fins Fitted over a Vertical Cylinder
Abstract: AbstractNatural convection heat transfer from a vertical cylinder with annular step and triangular fins has been studied numerically at various Rayleigh numbers within the laminar range. The computations were carried at a constant fin spacing to tube diameter ratio of 1. In the current study, numerical simulations of Navier-Stokes equation in support with the energy equation are conducted for a vertical cylinder with annular step fins as well as triangular …
Published in Journal of Alternate Energy Sources & Technologies · Vol. 9, Issue 1, 2018 · pp. 20–27 Read article
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Mathematical Model and Analysis of Dual Axis Solar Tracking Mechanism
Abstract: AbstractThe recent years have seen solar energy as one of the most potential candidate for electric power generation. However, the low output conversion efficiency still remains the matter for concern. The maximum power energy output relies on myriad environmental factors. This paper investigates the role of radiation intensity and panel position for better output efficiency and proposes an efficient dual axis solar tracking mathematical modelling that tracks the sun irrespective …
Published in Journal of Alternate Energy Sources & Technologies · Vol. 9, Issue 1, 2018 · pp. 1–6 Read article
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Voltage Stability Assessment of Wind Integrated System for Variable Wind Speed with FACTS Devices
Abstract: Requirement of power utilization is increasing exponentially both by industrial usage as well as in our day-to-day life due to inclusion of latest developments in the technology and automation. So, increase of power generation from conventional as well as non-conventional type of energy resources to meet these challenges is also needed. This increase in power generation is not possible alone by existing methods. Wind energy and integration of wind energy …
Published in Journal of Alternate Energy Sources & Technologies · Vol. 7, Issue 3, 2016 · pp. 15–22 Read article
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Response and Motion Performance of Offshore 5MW NREL Wind Turbine Platform Based on Andaman Coastal Ocean State
Abstract: AbstractThe demand for electrical energy is getting higher around the world every other passing day and India is no such exception. With limited non-renewable resources of energy to generate electricity, India is slowly shifting its focus towards renewable resources of energy like solar and wind to produce electricity. Here in this project, we majority focuses on the design and response of the floater platforms which carry 5MW wind turbines as …
Published in Journal of Alternate Energy Sources & Technologies · Vol. 10, Issue 2, 2019 · pp. 1–12 Read article
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Vertical Axis Wind Turbine Modeling and its Analysis Using ANSYS
Abstract: Research on small wind turbine (SWT) is on the upswing in the last five years, as there is a need of energy producing machines to compensate with the fossil fuel based energy. The green technology wishes to create environment friendly energy producing devices based on wind or solar technology. In this paper, an attempt is made to make use of already existing waste wind energy produced by high speed moving …
Published in Journal of Alternate Energy Sources & Technologies · Vol. 8, Issue 1, 2017 · pp. 26–32 Read article
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Self-Starting Diesel Generator
Abstract: Power outages can happen to anyone, and they are a lot more frequent than the major outages that make the evening news on TV. Being prepared for a blackout goes beyond beans, batteries and bullets. Having a source of alternative energy to power your devices, both small and medium, can make all the difference. Larger devices can be powered, but you would need some serious generators to make sure you …
Published in International Journal of Electrical Power and Machine Systems · Vol. 3, Issue 1, 2025 · pp. 17–21 Read article
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Design of Absorption and Adsorption Cooling Systems for Truck Cabin Using Exhaust Heat
Abstract: AbstractThe present work is focused towards the review of the work done in the field of automobile air conditioning and design of proposed air-cooling system for the cabin of the truck using waste heat from the exhaust. The present cooling systems run on engine power and consume around 10% of the total power produced by the engine and thereby increase fuel consumption. From heat balance, it is observed that around …
Published in Journal of Alternate Energy Sources & Technologies · Vol. 10, Issue 2, 2019 · pp. 26–34 Read article
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Advancements in Zeolite Catalysis for Efficient Oil Refining and Sustainable Energy Production
Abstract: Fossil fuels remain the primary reliable and cost-effective energy source for maintaining the desired product quality. This dominance stems from advancements in petrochemistry and oil refining, driven by substantial investments in research and innovation. The exceptional efficiency of oil refining is largely attributed to the use of zeolites as catalysts, a breakthrough regarded as one of the most significant achievements in modern chemistry. Their applications span across several catalytic processes, …
Published in Journal of Catalyst & Catalysis · Vol. 12, Issue 2, 2025 · pp. 35–42 Read article