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1882 articles for “maxims”
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Numerical and Experimental Investigation of AlHE30 for Rectangular Finned Cooking Vessel
Abstract: AbstractFins are basically extended surface, which is used to increase the heat transfer rate, this is basically a secondary surface mounted on primary surface to augment heat transfer from it. A numerical study using ANSYS were conducted to optimize fin shape based on base temperature and maximize the heat transfer across the cooking vessel. By investigating fin of (AlHE30) material were conducted experiments the fin of diameter 14 and 195 …
Published in Journal of Thermal Engineering and Applications · Vol. 5, Issue 1, 2018 · pp. 28–36 Read article
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Enhancement in Heat Transfer Rate in a Pipe in Pipe Heat Exchanger Using Helical Insert
Abstract: AbstractHeat transfer enhancement techniques are frequently used in heat exchanger system in order to increase the rate of heat transfer and improve the thermal performance of the system. This paper contains experimental study on enhancement in heat transfer rate using helical insert. The inner tube used was of copper with inner and outer diameter of 11.8 mm and 12.7 mm, respectively, and outer tube was galvanized iron, which was insulated …
Published in Journal of Thermal Engineering and Applications · Vol. 5, Issue 2, 2018 · pp. 5–12 Read article
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Automatic Dual Axis Solar Powered Lawn Mower for Agricultural Applications
Abstract: AbstractPhotovoltaic generation is becoming increasingly important as a renewable source. To overcome the incredible power crisis in the country, the best way is to make use of the renewable energy sources such as solar energy. In this proposed system, solar energy is used and in order to achieve maximum power from the solar panel, dual-axis tracking with the help of photoresistors is implemented in the panel tracking mechanism. The tracking …
Published in Journal of Thermal Engineering and Applications · Vol. 5, Issue 2, 2018 · pp. 17–21 Read article
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Solar Heat Pipe Design and Heat Loss Analysis
Abstract: Abstract: This paper is detailed on the design and heat loss analysis of solar heat pipe. Solar heat pipe is thermal device which use to transfer abundant amount of solar energy to working fluid through very smaller cross section area. Solar heat pipe server so many applications in engineering, i.e., water heating system, aerospace application, refrigeration and air conditioning and process industries. The design of heat tube includes finding diameter …
Published in Journal of Thermal Engineering and Applications · Vol. 6, Issue 1, 2019 · pp. 24–28 Read article
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An Experimental Investigation towards Optimizing the Geometry and Material of Vortex Tube
Abstract: The main interest of this study is to know the effect of tube material having different thermal conductivities, on the performance of the vortex tube energy separation. Also, the study evaluates the optimal tube length to diameter ratio (L/D) and the effect of inlet pressure on the performance of the vortex. Experimentation consists of three different tube materials, Acrylic, Aluminium and Copper. By maintaining the tube diameter 20 mm as …
Published in Journal of Thermal Engineering and Applications · Vol. 6, Issue 2, 2019 · pp. 1–9 Read article
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A Study on Karanja, Jatropa and Neem oil Biodiesel Blends used in Diesel Engine
Abstract: AbstractFossil fuels applications are linked with current widely held environmental issues. The use of renewable biofuel as a source of energy is a substitute for fuel resources which are declining and creating environmental issues. Excessive use and depletion of fossil fuel creates a research interest in the field of alternative fuel technologies. In this study Karanjan oil, Neem oil and Jatropa oil are used for making the blend. Different blends …
Published in Journal of Thermal Engineering and Applications · Vol. 7, Issue 2, 2020 · pp. 1–7 Read article
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Effect of Swirl on the Performance of LPG Domestic Burner
Abstract: In the present experimental work, an1 attempt is made to improve the heating efficiency of theof the conventional LPG burner with modifications. The LPG burners having the multiple fueljets with an angle of 15°, 20° and 25° are used to create the swirl in the flame jets. The porousmedium is also used the burner for the study. The performance of the conventional LPGburner (radial burner) is studied in terms of …
Published in Journal of Thermal Engineering and Applications · Vol. 7, Issue 3, 2020 · pp. 1–6 Read article
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THERMAL DISSIPATION SYSTEM APPLIED TO LED DEVICES
Abstract: A thermal dissipation system, based on an aluminum case LED lamp system encapsulated in a PCM device, has been used to reduce LED device temperature, improving thermal performance of the LED unit. Three heating rates have been tested, low (0.6ºC/s), medium (1.3ºC/s) and high (1.8ºC/s). The system has been tested in an experimental prototype at reduced scale, showing a maximum reduction of temperature from 177.5º C to 56º C for …
Published in Journal of Thermal Engineering and Applications · Vol. 8, Issue 3, 2021 · pp. 1–18 Read article
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Design Simulation and Analysis of Improved Anti Reflecting Coating for Reflection Loss Minimization of Solar Cell
Abstract: Antireflection coatings are made up of a thin layer of dielectric material with a specific thickness and refractive index that causes the wave reflected from the top surface of the antireflection coating to be out of phase with the wave reflected from the semiconductor surface due to interference effects in the coating. Anti-reflective coating design and modelling were utilised to improve the efficiency of solar cells. When integrated into arrays …
Published in Journal of Thermal Engineering and Applications · Vol. 8, Issue 3, 2021 · pp. 32–41 Read article
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Reduction Of Total Electricity Generation Cost For Complicated Power Systems Considering Renewable Energy Sources By Using A Sea Horse Optimizer
Abstract: This paper focuses on solving the economic load dispatch (ELD) problem by incorporating the presence of wind and solar power plants alongside conventional thermal power plants (THs). Particle swarm optimization (PSO) and Sea horse optimizer (SHO) are applied to solve the problem with the main objective function of minimizing the total electricity generation cost (TEGC). SHO is a novel meta-heuristic method recently proposed, while PSO is one of the classical …
Published in Journal of Thermal Engineering and Applications · Vol. 9, Issue 3, 2022 · pp. 1–8 Read article
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Optimizing Sizes And Locations Of Wind Turbines In Ieee 33-Node Distribution System For Loss Reduction By Using Moutaint Gazelle Algorithm
Abstract: This study applies a novel meta-heuristic, called Moutaint gazelle algorithm (MGO) to determine the optimal sizes and locations of wind turbines to place in distribution networks for loss reduction. The IEEE 33-bus distribution system is a test system for conducting the whole study. The results obtained by MGO are compared to those obtained by another meta-heuristic algorithm, called Artificial Hummingbird Algorithm (AHA). The comparison between the two methods indicated that, …
Published in Journal of Thermal Engineering and Applications · Vol. 9, Issue 3, 2022 · pp. 16–23 Read article
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Mobility Assistant for Disabled Person
Abstract: A development of an assistance system on a wheelchair for the physically challenged and handicapped people to compensate their needs of manoeuvrability. This Mobility Assistant accepts the input from the user and accordingly sends command to the wheelchair to traverse around the surrounding. The proposed system will sense the body movement of a person sitting on a wheelchair and then shifts the wheelchair suitably so that it moves towards the …
Published in Current Trends in Signal Processing · Vol. 4, Issue 1, 2014 · pp. 21–25 Read article
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Combining Co-operative Diversity in Wireless Communication
Abstract: Wireless devices cannot employ Multiple Input Multiple Output (MIMO) due to hardware or size limitation. Wireless device should replicate their single antenna virtually to act like MIMO system for better performance. This process is possible through a new system known as co-operative communication. In this system, the terminal or nodes combined to transmit the signals to follow an antenna array and form the diversity. Diversity is nothing but transfer of …
Published in Current Trends in Signal Processing · Vol. 3, Issue 1, 2013 · pp. 1–7 Read article
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Removal of Blotches and Impulse Noise in Gray Scale Images Using Non-linear Algorithm
Abstract: An image consists of artifact, which appears in an image that is actually not present in the original imaged object. An image artifact (noise) is sometimes the result of improper operation of the imager, and other times a consequence of natural processes or properties of the human body. Blotches (bulk noise) and impulses are the artifacts where blotch can be either bright or dark spots and impulse can be salt …
Published in Current Trends in Signal Processing · Vol. 4, Issue 3, 2014 · pp. 22–27 Read article
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Perceptual Features Based Continuous Speech Recognition in Additive Noise Environment Using Various Modelling Techniques
Abstract: The main objective of this paper is to discuss the effectiveness of Mel frequency perceptual features and the noise reduction technique in evaluating the performance of multi speaker independent continuous speech recognition system in additive noise environment by using various modelling techniques. The proposed perceptual features are captured and trained using clustering technique, GMM, continuous density HMM and back propagation neural networks. Speech recognition system is evaluated on clean and …
Published in Current Trends in Signal Processing · Vol. 2, Issue 1-3, 2012 · pp. 67–81 Read article
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Electric Vehicle Induction Motor Automated Drive System with Smart Battery Monitoring Performance for Range Exchanger
Abstract: This study describes the development of a model of an electric vehicle (EV) with a smart battery-powered inverter-controlled induction machine drive system. The computer simulation model in MATLAB Simulink is used to estimate the energy and power requirements of vehicles over standard driving cycles under various driving conditions. Here, using smart logic for battery performance, factors affecting range and energy use, helps to optimize maximum efficiency of battery and motor …
Published in Current Trends in Signal Processing · Vol. 10, Issue 3, 2020 · pp. 1–7 Read article
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Speed Detection of Vehicles Using Ir Sensors
Abstract: The goal of this article is to detect automobiles travelling at excessive speeds on highway roads. Despite the highway's maximum speed restriction, numerous accidents occur as a result of over speeding. According to a recent study, current speed detection technology and methodologies are more expensive and can only identify one car at a time. Many various technologies are available to develop over speed detection systems, including as radar or laser …
Published in Current Trends in Signal Processing · Vol. 12, Issue 1, 2022 · pp. 11–14 Read article
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A Review: Digital Image Processing
Abstract: Image Processing consists of converting the nature of a photograph with a view to improve its pictorial records for human interpretation, for independent system notion. virtual picture processing is a subset of the electronic area in which the image is transformed to an array of small integers, referred to as pixels, representing a bodily amount inclusive of scene radiance, saved in a virtual reminiscence, and processed by using pc or …
Published in Current Trends in Signal Processing · Vol. 12, Issue 3, 2022 · pp. 12–16 Read article
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Implementation of K-Means clustering algorithm with technical indicators to identify Profitable stocks
Abstract: In the ever-changing world of stock market trading, accurately predicting price movements is key to maximizing profits. Technical analysis, which looks at past price data to predict future trends, provides valuable insights for investors. This paper delves into using machine learning methods, particularly the K-Means clustering algorithm, along with moving average data, to categorize daily trading patterns. By breaking down the market into clusters and examining the main patterns within …
Published in Current Trends in Signal Processing · Vol. 13, Issue 3, 2023 · pp. 8–14 Read article
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Survey of Advanced Control Techniques for Active Power Filters in Grid Integration
Abstract: Active power filters (APFs) can increase power quality, dependability, and stability on power utilities by compensating for harmonic and reactive current components in power supplies. The performance and stability of active power filters are greatly enhanced by the control strategies used with them. When these two crucial elements start to compete, it is impossible to achieve both unity power factor (UPF) and flawless correction of current harmonics. A systematic review …
Published in Current Trends in Signal Processing · Vol. 13, Issue 3, 2023 · pp. 24–34 Read article