Category: Uncategorized
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Aircraft control surfaces
Aircraft control surfaces are the part of an airplane which used to control the movement and attitude of an aircraft. Control surfaces work by utilising aerodynamic forces direction to get the desired attitude. Before we discuss about control surface, we will first discuss about aircraft’s orientation: The three main attitude orientations of an aircraft in… Read more
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CFD Simulation of HVAC Systems
Computational Fluid Dynamics (CFD) has become a vital tool in the design and analysis of Heating, Ventilation, and Air Conditioning (HVAC) systems. One of the open-source CFD tools gaining popularity is OpenFOAM (Open Field Operation and Manipulation), which provides engineers with powerful capabilities to simulate airflow, temperature distribution, and fluid dynamics within HVAC systems. This… Read more
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CFD Simulation of Turbomachineries Using OpenFOAM
Introduction Turbomachinery, which includes components such as turbines, compressors, and pumps, is fundamental in various engineering applications ranging from energy production to aerospace systems. The performance of these devices depends on intricate fluid dynamics within and around their rotating components. Computational Fluid Dynamics (CFD) is essential for analyzing these interactions, and OpenFOAM, an open-source CFD… Read more
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Aircraft Noise: Causes, impact, and mitigation strategies
Aircraft noise has long been a significant issue for both the aviation industry and communities near airports. The distinct roar of jet engines, combined with the sound of air rushing over an aircraft’s surfaces, contributes to environmental noise pollution, affecting millions of people worldwide. Understanding the sources of aircraft noise, its effects on human health… Read more
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Noise, Vibration, and Harshness (NVH) in Mechanical Engineering
Introduction to NVHNoise, Vibration, and Harshness (NVH) is a field in mechanical engineering that focuses on the study, measurement, and control of sound and vibrations in mechanical systems. NVH is critical in industries such as automotive, aerospace, and industrial machinery, where reducing noise and vibrations enhances performance, durability, and user comfort. By addressing NVH issues,… Read more
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Geometric Dimensioning And Tolerancing
Geometric Dimensioning and Tolerancing (GD&T) is a standardized system used in mechanical design and manufacturing to define and communicate allowable variations in the geometry of parts. GD&T ensures that parts fit together and function correctly, despite manufacturing imperfections. This article provides an in-depth overview of GD&T, including its symbols, rules, and applications. Overview of GD&T… Read more
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PCB Cooling CFD Simulation using OpenFOAM
As the demand for compact and efficient electronic devices increases, proper thermal management of Printed Circuit Boards (PCBs) has become critical. Overheating can lead to reduced performance, malfunction, and even permanent damage to electronic components. Computational Fluid Dynamics (CFD) offers a powerful tool to simulate heat dissipation and airflow around PCBs, ensuring optimal cooling designs.… Read more
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Development of Microstructure in Isomorphous Alloys (Equilibrium vs non-equilibrium Cooling)
Introduction In materials science, isomorphous alloys are binary alloy systems where the components are completely soluble in both liquid and solid states. This means that the two elements can form a continuous range of solid solutions, regardless of their proportions. A classic example of an isomorphous system is the Cu-Ni alloy system. Understanding how the microstructure of such alloys… Read more
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CFD Simulation of Hull Drag and Stability using OpenFOAM
Introduction The accurate simulation of hull drag and stability is a cornerstone of marine engineering, essential for optimizing ship performance and ensuring safety. With the advancement of Computational Fluid Dynamics (CFD) tools, engineers can now delve into more complex scenarios, including those involving multiphase flows. OpenFOAM, an open-source CFD software, provides specialized solvers for such… Read more
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Aerodynamics Forces and Moments
Aerodynamics is the study of how air interacts with solid objects, especially when they are in motion, such as aircraft. One of the key aspects of this field is understanding the aerodynamic forces and moments acting on an aircraft, as these determine its ability to fly, maneuver, and remain stable in the air. For aircraft designers and… Read more