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1432 articles for “SI engine”
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Noise and Vibration Reduction Using Sustainable Polymer Nanocomposite Materials: A Review
Abstract: Noise pollution and structural vibration represent critical challenges in modern engineering systems, affecting human health, operational efficiency, and equipment durability. This review examines the application of sustainable polymer nanocomposite materials for simultaneous noise and vibration reduction across diverse engineering domains. The fundamental relationship between structural vibration and noise generation is established, followed by a comprehensive analysis of sound absorption and damping mechanisms in nanoparticle-reinforced polymer systems. Multi-walled carbon nanotubes (MWCNTs), …
Published in Journal of Polymer & Composites · Vol. 14, Issue 3, 2026 · pp. 785–798 Read article
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Design of a Real-Time Temperature Monitoring System using PIC to PIC SPI Communication with Multiple Displays and Wireless GUI Control
Abstract: AbstractThis paper proposes a real-time temperature monitoring system using PIC to PIC communication with SPI protocol that can read, process and display the sensed data. The system has three modules, a Sensor (Slave) module, a Master module and a computer-based GUI module. The GUI provides control operations and communicates with the Master module over Bluetooth to send control commands and receive data. The Master module takes control commands from the …
Published in Journal of Microcontroller Engineering and Applications · Vol. 7, Issue 2, 2020 · pp. 6–24 Read article
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Study of Direct Torque Control of Three Phase Induction Motor by Matlab
Abstract: This paper presents the proposed direct torque control using space vector control which is based on a MATLAB/Simulink technique to replace proportional integral controller to control the torque of induction motor. The status of the torque and flux linkages applied the optimal switching logic. This optimal switching logic is used for the switching of three-phase inverter. The inverter output gives the controlled voltage vector that is applied to the induction …
Published in Trends in Electrical Engineering · Vol. 8, Issue 1, 2018 · pp. 24–29 Read article
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Fabrication and Analysis of Al 7075 Based Metal Matrix Composites - A Review
Abstract: Aluminium 7075 alloys are extensively used in aerospace, marine, aviation, and automotive industries due to their superior mechanical properties, high strength-to-weight ratio, and low density. However, to further enhance their performance, aluminium-7075 metal matrix composites (AMMCs) are developed by incorporating various reinforcements. This paper focuses on the influence of reinforcements on the mechanical, tribological, and corrosion behavior of AMMCs. The study examines fabrication techniques, particularly the stir casting method, which …
Published in Journal of Polymer & Composites · Vol. 13, Issue 3, 2025 · pp. 1–12 Read article
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Research Paper A Review of Symmetry in Mechanical Systems: Theoretical Systems Foundations and Engineering Applications
Abstract: In mechanical system analysis and design, symmetry is of mechanical systems. This article examines the idea of symmetry in mechanical systems, exploring its mathematical foundations (such as Lie algebras and group theory) and how these ideas help explain the behavior, stability, and control of the system. We explore the applications of symmetry in a range of mechanical systems, from basic mechanical connections to intricate multi-body dynamics, emphasizing the benefits of …
Published in Emerging Trends in Symmetry · Vol. 1, Issue 1, 2025 · pp. 15–19 Read article
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Microstructure and Mechanical Properties of Thin Wall Ductile Iron
Abstract: Currently many cast parts are produced in aluminum rather than cast iron, because of the drive to get high strength /weight ratio for application in automobile and aerospace. Ductile Iron casting of approximately 2-3mm section thickness better known as Thin wall ductile iron (TWDI) having high strength /weight ratio and better mechanical properties than Aluminum alloys. The effect of various parameters like, post inoculation, gating and feeding, moulding sand mix …
Published in Journal of Automobile Engineering and Applications · Vol. 4, Issue 2, 2017 · pp. 35–39 Read article
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Solar Charge Controllers and their Implementation
Abstract: AbstractSolar energy is the incident energy from the Sun. The main components of this energy are incident light energy and the heat contained in it. The extraction of solar energy may be active or passive. Due to abundance and availability, solar energy is the most attractive alternate in available renewable resources. In the 21st century solar energy is expected to become increasingly attractive as a renewable energy source because of …
Published in Journal of Microcontroller Engineering and Applications · Vol. 7, Issue 1, 2020 · pp. 12–15 Read article
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Performance and Improvement of Antenna Designs in Modern Wireless Communication System
Abstract: AbstractIn this paper, the cell innovation and the remote correspondence innovation is creating and enhancing quickly. The reception apparatus goes about as the scaffold between the client terminal and the base station controller. Being a key segment of the remote correspondence framework, the reception apparatus' fundamental capacity is to communicate and to get electromagnetic waves. It will, to an expansive degree, influence the quality and the speed of the correspondence. …
Published in Journal of Microwave Engineering and Technologies · Vol. 4, Issue 3, 2017 · pp. 5–10 Read article
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Investigating the Influence of Process Parameters on Photochemical Machining of Phosphor Bronze Alloy Microchannels
Abstract: Microchannels are widely employed in microfluidic devices, biomedical systems, and compact heat exchangers, where their functional efficiency depends strongly on surface finish, dimensional control, and edge quality. Traditional machining techniques often face limitations in producing such features with the required precision, prompting the use of advanced micromachining methods. In the present work, photochemical machining (PCM) has been applied to fabricate serpentine-shaped microchannels in phosphor bronze. The study systematically investigates the …
Published in Journal of Polymer & Composites · Vol. 14, Issue 2, 2026 · pp. 837–846 Read article
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Recognition of Unconstrained Handwritten Digits Using Feedforward MLP and Projection Profile
Abstract: AbstractThis paper presents a new approach to off-line handwritten numeral recognition using feedforward MLP and projection profile. Different writers have variations in their handwriting since each writer possesses own writing speed, own styles, sizes or positions for numeral or text. Recognition of handwritten numerals poses serious problems because of high variability in numeral shapes written by individuals. The performance of character recognition system depends heavily on what kind of features …
Published in Journal of Communication Engineering & Systems · Vol. 5, Issue 2, 2015 · pp. 15–20 Read article
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Performance, Emission, and Combustion Evaluation of Chlorella Vulgaris Biodiesel-Diesel Blends in a Compression Ignition Engine
Abstract: This study examines, without modifying the engine, the performance, emissions, and combustion properties of biodiesel blends made from Chlorella vulgaris microalgae in a four-stroke, single-cylinder, water-cooled CI engine. The blends of biodiesel and diesel, designated B10, B20, B30, and B40, were 10%, 20%, 30%, and 40%, respectively. Of these, B20 showed the best efficiency-to-emissions ratio. Although it recorded the lowest brake specific fuel consumption of 0.232 kg/kWh, indicating superior fuel …
Published in Journal of Polymer & Composites · Vol. 13, Issue 5, 2025 · pp. 339–354 Read article
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Evaluating Performance and Emission Characteristics of a Diesel Engine Fuelled with Biodiesel from Diverse Oil Resource: A Review
Abstract: Biodiesel, being renewable and sustainable alternate to conventional diesel fuel, is being studied aggressively for its use in compression ignition engine for performance and emissions since last 20 years. Biodiesel, composed of saturated and unsaturated long-chain fatty acid alkyl esters, is produced from vegetable oils, edible and non-edible and animal fats through process of trans-esterification. Looking to the facts that petroleum reservoirs are rapidly diminishing, crude petroleum prices are reaching …
Published in Journal of Automobile Engineering and Applications · Vol. 4, Issue 1, 2017 · pp. 10–24 Read article
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Development of a Heat Actuator Using Liquid-Vapor Phase Change of R134a
Abstract: AbstractLarge volume changes can be produced by liquid-vapor phase change of working fluids which can be used in actuators as the driving power source. The temperature range of working of such actuators depends on the characteristics of the phase change working fluid. In this paper we discuss the concept and design of a heat actuator which uses liquid-vapor phase change of its working fluid for actuation of a piston. The …
Published in Journal of Thermal Engineering and Applications · Vol. 6, Issue 1, 2019 · pp. 1–4 Read article
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To Investigate the Occupational Risk Factors Contributing towards Musculoskeletal disorders among VDT users bank office Employees
Abstract: AbstractThe current business environment is characterized by stiff competition. The players in the industry always strive to come up with innovative strategies to outdo their rivals with a view of enhancing their profitability. Previous studies have indicated that having in place highly effective health and safety systems can enhance the level of productivity of the employees. This always results into an increase in the level of profitability of the organizations. …
Published in Journal of Industrial Safety Engineering · Vol. 5, Issue 1, 2018 · pp. 28–34 Read article
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Steel Ductile Detailing of Moment Resisting Frames for Pre-engineered Buildings
Abstract: Long span structures with no interrupting column are necessary in any type of industrial structures and pre-engineered buildings (PEB) satisfies this need along with less time and cost as compared to conventional structures. This methodology is adaptable not only due to its quality pre-designing and prefabrication, but also due to its light weight and economical construction. The concept includes the technique of providing the best possible section according to the …
Published in Journal of Structural Engineering and Management · Vol. 3, Issue 1, 2016 · pp. 36–44 Read article
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Effect of Addition of SBS Polymer on Stability and Flow Characteristics of Bituminous Concrete Mix
Abstract: AbstractThis paper describes the effect of addition of SBS on the Marshall stability and flow values of bituminous concrete mix samples. The transportation sector in India is one of the fastest developing sectors. The need for infrastructure development to boost the growth and development of the country cannot be ignored. It thus becomes imperative to have good roads all across the country, not just for the passenger vehicle movement but …
Published in Trends in Transport Engineering and Applications · Vol. 5, Issue 1, 2018 · pp. 1–6 Read article
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A Review on Optimization of Surface Roughness during Dry Turning Operation of AISI 1045 Steel
Abstract: It is a well-known fact that manufacturing industries are repeatedly challenged for attaining higher productivity and high-quality products in order to stay competitive. The preferred shape, size and finished ferrous and non-ferrous materials are usually produced through turning with the help of cutting tools that moved past the work piece in a machine tool. From the various cutting processes, turning process is one of the most important and most applied …
Published in Journal of Automobile Engineering and Applications · Vol. 4, Issue 3, 2017 · pp. 31–38 Read article
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Smart Dustbin for Waste Segregation
Abstract: AbstractThis paper presents how to create smart dustbin for waste segregation using electronics devices and Wi-Fi module for smart bin monitoring purpose. As the increase in human population is directly proportion to the need of resources that causes increases in garbage. Many cities around the world are endangered due to poor garbage management. This project aims to find a solution by using a smart dustbin which is the Internet of …
Published in Journal of Microcontroller Engineering and Applications · Vol. 7, Issue 1, 2020 · pp. 1–5 Read article
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Arduino Based Air Quality Index Measurement for Air Pollution Monitoring
Abstract: AbstractAir pollution i.e. the toxic pollutants which are present in the air is one of the most important factors which concern the world. As we all know that Air pollution may have evolved from natural sources of the earth and air pollutants that are present in the atmosphere such as CO2, CO, NO2, SO2, and O3 has a great effect on people's hygiene and health. This problem is not only …
Published in Journal of Microcontroller Engineering and Applications · Vol. 7, Issue 2, 2020 · pp. 1–5 Read article
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Optimized Structural Design and Prototyping Techniques for Polymer-Matrix Composites in Manufacturing
Abstract: Material called polymer-matrix composites (PMCs) have become very important in modern industry because it is strong and light. To get the most out of them, structure construction must be optimized and advanced testing methods must be used. In this brief, the strategies and methods for improving the performance, lowering prices, and speeding up the production process of PMCs through structural design and prototyping are explained. Optimizing structural design starts with …
Published in Journal of Polymer & Composites · Vol. 12, Issue 4, 2024 · pp. 145–161 Read article