Simon Skeldon’s Post

Aerospace coatings and plating play a crucial role in ensuring the longevity and reliability of aircraft and spacecraft by providing essential protection and performance enhancements for various components. These specialised coatings are designed to offer excellent resistance to corrosion, wear, and extreme temperatures, which are common challenges in aerospace environments. Additionally, Aerospace coatings improve fuel efficiency by reducing drag, enhancing aerodynamics, and lowering maintenance costs. Compliance with stringent industry standards such as AMS 2438, AMS 2460, and NADCAP ensures that Aerospace coatings meet the highest quality and safety requirements in modern Aerospace applications.

🛩 As the aerospace industry ventures into novel aircraft concepts, Electric Ducted Fans (EDFs) are becoming a popular component in aircraft propulsion systems. With FlightStream's unsteady solver, engineers can swiftly model EDF components, capturing the interaction effects between the blades and nacelle. Even better, users can add wings or fuselages in the wake of the EDF to study propulsion effects on the airframe. The time-accurate solver allows for the generation of unsteady blade loading and even acoustic analysis of these components. What are your thoughts on EDF for aircraft applications? Or are you interested in exploring how EDFs can enhance your designs? Comment below to start the conversation. #AerospaceEngineering #ElectricDuctedFans #FlightStream #AircraftDesign #Innovation #Aerospace

Isogrid panels or orthogrid panels.. which do you prefer in Aerospace structures ?

Delta Wing Aerodynamics! Delta wings are known as highly swept wings. That’s what makes them aerodynamically more efficient at a high angle of attack. The image shows the flow field in the crossflow plane above a delta wing at angle of attack, showing the two primary leading-edge vortices. The vortices are made visible by small air bubbles in water. The dominant flow features across the delta wing are these multiple vortex patterns that are shed from the vicinity of the highly swept leading edge. This vortex stably creates huge suction peaks close to the upper surface leading edge and by this mechanism, delta wings are able to sustain high lift up to a high angle of attack where convectional airfoil section wing would be stalled. Source: ONERA - The French Aerospace Lab #mechanicalengineering #mechanical #aerospace #automotive #cfd #formulaone #aerodynamics

Obviously a stealthy design. One of the problems with stealth is that you haven’t been able to entirely cloak the IR signature of the aircraft associated with its propulsion (engines). The effect these new electric/hybrid designs will have on that IR profile will be closely monitored…

Shock diamonds (also known as Mach diamonds or thrust diamonds) are a formation of standing wave patterns that appear in the supersonic exhaust plume of an aerospace propulsion system, such as a supersonic jet engine, rocket, ramjet, or scramjet, when it is operated in an atmosphere. Shock diamonds, especially visible during takeoff or in high-contrast environments, indicate efficient combustion and proper nozzle design, highlighting their importance in optimizing aerospace propulsion systems.

Fun Fact: V-22 Vortex Structure and Behavior in Hover 🚁🌀 The V-22 Osprey's rotor tip vortices show fascinating behavior in hover. A study using a 0.658-scale model at the Ames Outdoor Aerodynamic Research Facility revealed these insights: Vortex Geometry: The tip vortices develop downward and inward, moving closer to the fuselage, affecting aerodynamic efficiency and stability. Vortex Wake and Interference: The rotors produce both tip and root vortex wakes. These interact with each other and the aircraft, especially the nacelles, leading to complex aerodynamic effects. Ground and Fountain Effects: Ground and fountain effects significantly impact lift and vortex behavior. The lift coefficient drops notably when the azimuth angle is between 180° and 360°. Dive into these results : (Xu et al., 2022). #Aerospace #Engineering #Aviation #V22Osprey #HoverDynamics #Aerodynamics

Drag coefficients in fluids with Reynolds number approximately 10^4. Drag Coefficients are used to measure an object's resistance to movement through a fluid. They are a dimensionless quantity that enables aerodynamicists to calculate aerodynamic drag while taking shape, inclination, and flow conditions into account. In general, the drag coefficient is not an absolute constant for a given body shape. It varies with the speed of airflow or more generally with Reynolds number. Source: “Fluid Dynamic Drag” by Hoerner (Wikipedia) #mechanicalengineering #mechanical #automotive #aerospace #aerodynamics

Why is material testing crucial for aerospace applications? From advanced composites to high-temperature turbine metals, rigorous testing ensures safety, durability, and efficiency in aerospace innovation. Learn how compliance with industry standards like Nadcap and cutting-edge testing techniques shape the future of flight. #PatochemiMurniAditama #INSTRON #Aerospace #MaterialTesting