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1989 articles for “J-SIM” (ranking capped at the first 2,000 matches — narrow the search to see the rest)
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Numerical Simulation of Flow Field, Fountain Flow and Associated Noise in Supersonic Impinging Twin Jet using Large Eddy Simulation
Abstract: A three-dimensional flow field is produced by a supersonic twin-jet impingement. It is studied using the turbulence model Large Eddy Simulation (LES). The numerical model consists of two parallel jets of diameter 3D apart, which are issued from a plane which is at a distance H = 2D, 3D, 4D above the ground. The Nozzle Pressure Ratio (NPR) is kept at 3.7 for all the flow conditions. The study is …
Published in Journal of Aerospace Engineering & Technology · Vol. 4, Issue 3, 2014 · pp. 1–8 Read article
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Design of Hybrid SAC-OCDMA FSO System Using Zero Cross Correlation Code
Abstract: Spectral amplitude coding (SAC)-optical code division multiple access (OCDMA) being an ensuring advancement gives satisfactory response for burst and asynchronous environment. While free space optics (FSO) transfer information from one place to another at high speed where other systems are hard to reach. This paper offers and endeavors to dissect the performance of the system (SAC-OCDMA) through diverse environment conditions in FSO channel utilizing Zero cross correlation code having bit …
Published in Journal of Open Source Developments · Vol. 7, Issue 1, 2020 · pp. 5–11 Read article
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A Survey of Wireless Network Simulators
Abstract: Wireless network simulators have become a basic need to study, evaluate and improve wireless networks. Wireless network simulators are very useful tool for a researcher to develop, test and diagnose wireless network protocols. Wireless simulations raise many new questions about appropriate levels of detail in simulation models for radio propagation and energy consumption and time taking for wireless networks. There are many different network simulators available in the world now, …
Published in Journal of Multimedia Technology & Recent Advancements · Vol. 2, Issue 1, 2015 · pp. 12–16 Read article
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Intelligent Computing with Natural Language Processing
Abstract: AbstractNatural language processing is a branch of computer science and artificial intelligence which involve machines or robots to understand and process the language that human speaks or which is concerned with interaction between computer and human languages. Natural Language Processing put great efforts for making computer interfaces so that it will become easier to operate the machine through natural language rather than commands. There are various languages that support NLP …
Published in Journal of Artificial Intelligence Research & Advances · Vol. 6, Issue 2, 2019 · pp. 63–68 Read article
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A Review on Algorithms of Cluster Head in Mobile Ad Hoc Networks
Abstract: AbstractMobile ad hoc networks consists of mobile nodes that communicates with each different with none mounted topology. Cluster head choice, energy consumption and security may be a great challenge for MANET recently. Optimizing cluster head choice minimizes the energy consumption during a specific network and in addition reduces the information transmission overheads. There are several algorithms for cluster head choice that are supported many parameters. For higher utilization of energy, …
Published in Current Trends in Signal Processing · Vol. 8, Issue 3, 2018 · pp. 1–6 Read article
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Exploring Sustainable Fuel Production from Waste: A Feasibility Study in Zimbabwe
Abstract: Some organisms are in danger of going extinct, and environmental pollution from waste plastics, tires, and used lubricating oils has significantly contributed to the decline of biodiversity. Tires, plastics, and spent oil all contribute significantly to environmental deterioration, and this issue has been linked to improper treatment and disposal of these materials. Only 15% of the 200 auto technicians surveyed for this study acknowledged that they reuse spent oil, 5% …
Published in International Journal of Machine Systems and Manufacturing Technology · Vol. 3, Issue 1, 2025 · pp. 30–38 Read article
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Investigation on Torque and Thrust Forces in Radial Drilling of Copper Alloys
Abstract: As a part of research over improvement of machining process; cutting forces, metal removal rate (MRR) and surface finish on mechanical elements has become quite significant in the operational and aesthetical point of view. To enhance accuracy and precision by adopting energy saving techniques, manufacturing firms are adopting automated systems in order to achieve manufacturing excellence. In the present work, the effect of various process parameters like spindle speed, feed, …
Published in Journal of Materials & Metallurgical Engineering · Vol. 6, Issue 2, 2016 · pp. 6–19 Read article
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Modeling and Simulation of Spiral Plate Heat Exchanger
Abstract: The spiral-plate heat exchanger (SHE) offers efficiency in spacing and reduces heat losses. SHE’s offer high reliability, lower spaces occupancy, high heat transfer coefficient and on-line performance in many severely fouling services such as slurries. Experimental investigations were conducted in a spiral plate heat exchanger with hot water as the service fluid and cold water in different flow rates as the cold process fluid. The experiments were conducted essentially in …
Published in Journal of Thermal Engineering and Applications · Vol. 1, Issue 1, 2014 · pp. 22–29 Read article
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Impact of Spacer Engineering on SOI Junctionless FET Performance Using TCAD Simulation
Abstract: In this paper, the impact of spacer engineering on 10 nm gate length planar SOI (Silicon On Insulator) junctionless transistor performance is studied using Sentaurus TCAD simulator. Spacer length and spacer permittivity of the device are taken as two controllable parameters. DC performance metrics, ION, IOFF, ION/IOFF ratio, unity gain frequency (fT) and non quasi static delay (NQS) are investigated for various spacer lengths and spacer permittivity. The simulation results …
Published in Journal of Materials & Metallurgical Engineering · Vol. 6, Issue 2, 2016 · pp. 42–52 Read article
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Development of a Simplified Mathematical Modelling for the Job Shop Scheduling to Calculate Makespan
Abstract: In this paper, mathematical modelling is prepared for job shop scheduling problem. Makespan is calculated using maximum machine time. Matlab algorithm is developed for mathematical modelling. Formula is tested using various case studies. Gantt chart is prepared for graphical representation of solution. Results have been verified for mathematical modelling using Gantt chart approach.Cite this ArticleKagthara MS, Bhatt MG. Development of a Simplified Mathematical Modelling for the Job Shop Scheduling to …
Published in Journal of Production Research & Management · Vol. 7, Issue 1, 2017 · pp. 22–25 Read article
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Simulate a Deterministic Finite State Automata (DFA) Using Java Program
Abstract: Finite automata are computing devices that accept/recognize regular languages and are used to model operations of many systems find in practice. Their operations can be simulated by a very simple computer program. Automata simulators are pedagogical tools used to teach, learn and research automata theory. An automata simulator takes as input the description of an automaton and then simulates its working for an arbitrary input string. The description of the …
Published in Journal of Computer Technology & Applications · Vol. 9, Issue 3, 2018 · pp. 17–23 Read article
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Overview of Various Dynamic Community Evolution Detection Approaches
Abstract: Social network in a simplest form is a social structure consisting of units that are connected by various kinds of relations like friendship, common interest, financial exchange, dislike, knowledge or prestige. This can be represented by a combination of graph theory and data mining concepts. The easiest way to present social network in a mathematical way is graph representation where members are nodes of the graph and relations are edges …
Published in Research & Reviews: A Journal of Embedded System & Applications · Vol. 3, Issue 1, 2015 · pp. 28–32 Read article
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Studies on Development of a Super Adsorbent Polymer for the Removal of Nitrogenous Waste Products from Urine Samples and in Intestinal Fluid Simulator
Abstract: Introduction: Colonic dialysis (CD) has been proposed as an appropriate candidate for excretion of electrolytes, nitrogen waste products and excessive fluid using gastrointestinal (GI) tract. Methods: The GI environment simulated in terms of concentrations of nitrogenous waste products, electrolytes, temperature and pressure. In addition, 24-hour urine samples were obtained from 10 healthy adult volunteers. Adsorbing capacity of Super Adsorbent Polymer (SAP) evaluated in GI tract simulating system and urine samples. …
Published in Journal of Polymer & Composites · Vol. 10, Issue 2, 2022 · pp. 1–7 Read article
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3D-Finite Element Analysis of External Fixation in Radial Shaft Fractures
Abstract: Background: Small external fixators are used mainly for fractures of the distal radius and forearm as well as for fractures in children and adolescents. The aim of this study was to evaluate biomechanical properties of external fixation in radial shaft fractures under loads including AP (anterior-posterior) bending, torsion and axial compression. Method: Biomechanical analysis was performed using 3D geometrical and FEM (Finite Element Method) models of the radial shaft fractures …
Published in Research and Reviews : Journal of Surgery · Vol. 9, Issue 1, 2020 · pp. 8–24 Read article
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Automated Evaluation of Descriptive Answers
Abstract: This paper offers a smarter system of automatic evaluation of descriptive responses in educational tests. The time-consuming aspect of testing with traditional manual marking, the subjectivity of that process, and the impossibility of scaling it makes it inapplicable, particularly to large academic environments. To resolve the issues, the proposed solution combines the methods of Natural Language Processing (NLP) and hybrid image-text processing on the responses of handwriting and typed answers. …
Published in Emerging Trends in Languages · Vol. 3, Issue 2, 2026 · pp. 1–9 Read article
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Study and Analysis of Digital Counters for VLSI Applications
Abstract: AbstractThe counter is a fundamental and essential component. It is used in most digital devices. A counter is a sequential circuit that is used as a counter. The counter is the most widespread application of flip-flops. It is a group of flip-flops in which a clock signal is placed. A counter stores the number of processes related to a clock. It is classified into two categories. The number of flip-flops …
Published in Recent Trends in Programming languages · Vol. 7, Issue 3, 2020 · pp. 17–24 Read article
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EGT Margin of A Jet Engine – Cause, Impact, Improvement & Simulation Theory
Abstract: When an engine runs, it produces heat and there is a range of temperature in the engine chamber. For Jet Engines, when it starts, temperature starts increasing within a range. At various durations of the engine run, there is some temperature. Higher the thrust, higher the heat temperature. This temperature is called Exhaust Gas Temperature (EGT). There is a maximum allowed gas temperature for each type of engine and the …
Published in Journal of Aerospace Engineering & Technology · Vol. 16, Issue 1, 2026 · pp. 35–48 Read article
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Rotational Speed Influence on Weld Temperature in Friction Stir Lap Joint of Aluminium Alloy 6061 Using Numerical Simulation
Abstract: The weld quality assessment in friction stir welding depends on the choice of suitable weld parameters. Rotational speed is one such parameter. The study utilizes a computational fluid dynamics model to examine the influence of various rotational on the workpiece and weld interface temperature. The workpiece selected for this study is an Aluminium Alloy 6061, while the tool employed is a truncated conical pin tool featuring a conical shoulder in …
Published in Journal of Polymer & Composites · Vol. 12, Issue 2, 2024 · pp. 235–245 Read article
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Integration of Vertical Axis Wind Turbines into Urban Environments: Feasibility and Design Considerations
Abstract: Abstract This study aims to comprehensively investigate the performance of Savonius rotor wind turbines through a combination of numerical simulations and experimental testing. Initially, 3-dimensional CAD software Solidworks and ANSYS will be utilized to design detailed models of the turbines. Numerical meshes will then be generated around these models using FLUENT software, incorporating the k-ε turbulence model to simulate fluid flow fields. Parameters such as drag coefficient, lift coefficient, pressure …
Published in Journal of Aerospace Engineering & Technology · Vol. 14, Issue 2, 2024 · pp. 20–25 Read article
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Mannan-Rich Fractions in Poultry Nutrition: A Sustainable and Defensive Strategy against Antimicrobial Resistance
Abstract: Antimicrobial resistance (AMR) has evolved to be a significant global threat, menacing worldwide health and food security. Its proliferation in poultry farming has spurred the search for sustainable, non-antibiotic alternatives. One promising alternative is Mannan-Rich Fractions (MRFs), which is derived from Saccharomyces cerevisiae. These bioactive compounds not only support poultry health but also aid in suppressing pathogenic bacteria without contributing to resistance. This review brings together current studies highlighting how …
Published in Recent Trends in Infectious Diseases · Vol. 3, Issue 2, 2026 · pp. 1–16 Read article