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Aerospace & Defense

Aircraft

Airframes

Computer Simulations Save US $150,000 in Commuter Jet Design by Reducing Wind Tunnel Testing Computer Simulations Save US $150,000 in Commuter Jet Design by Reducing Wind Tunnel Testing
llustration of a response surface for the scarf angle optimization of a nacelle Southampton Partnership Optimizes Collaboration
Static pressure contours on a NACA airfoil Transonic Flow over a NACA Airfoil
Fluid pathlines in the vicinity of the Predator B fuselage

Predator B Unmanned Aerial Vehicle (UAV) CFD Analysis

Prediction of the pressure field induced by the interaction of the rotor with a helicopter fuselage in forward flight Rotor-Airframe Interactions
Realistic helicopter model, where pathlines show the flow through the rotor Helicopter Rotor-Airframe Interaction
Static pressure contours on the fuselage for the forward flight configuration, and flow ribbons through the starboard rotor twisted by streamwise vorticity The Osprey Takes Off with Virtual Blade Modeling
Contours of pressure on the mid-plane of the Wright Flyer The Wright Flyer Flies Again
Surface mesh on the body of a fly Flapping Wing Flight
Comparison of numerical (blue) and experimental (shadow) separation events Dynamic Meshing Models Store Separation from Transonic Aircraft
Pressure contours and pathlines on a generic store being released from an aircraft bay at a Mach number of 0.7 at three times Store Separation Analysis
Surface pressure on a Westland helicopter Westland Helicopters Use CFD Software from Fluent
A fully loaded Apache helicopter in hovering flight mode Hellfire and Back
Predicted CFD cold fuel plume from ruptured left wing fuel tank during the Concorde take off Fatal Concorde Fire Explained
Wake vortices generated by a simplified aircraft in flight European External Aerodynamics Projects at INTA
Efflux pattern on the airplane for a Mach 0.15 case Enhancing Thrust Reverser Performance
The initial steady state solution of the store and flowfield; blue corresponds to water inside the store Store Separation with Sloshing

Airports

Visibility contours across the Dubai Airport concourse after 15 minutes for the fire scenario with activated emergency curtains Smoke Takes Off at Dubai Airport
Static pressure on the outer surfaces of the buildings during northeast wind conditions at Frankfurt Airport Smoke Management at Frankfurt Airport
Predicted CFD cold fuel plume from ruptured left wing fuel tank during the Concorde take off Fatal Concorde Fire Explained
Pathlines illustrate the flow from the engines as it is deflected by the blast deflector, causing counter-rotating vortices Blast Deflector
Wake vortices generated by a simplified aircraft in flight European External Aerodynamics Projects at INTA

Anti-Icing Systems

Velocity contours near the inlet from a Piccolo tube Simulation of Piccolo Tube Anti-Icing System
CFD simulation of an anti-ice system that uses engine bleed air to heat the wing skin using a linear array of jets Controlling Ice Build-Up on Aircraft Wings
The contours of collection efficiency on a Boeing 737 nacelle Collection Efficiency for Icing Analysis

Bays, Cavities

Iso-surface of vorticity colored by velocity magnitude inside the cavity, and contours of static pressure on the entry plate Cavity Acoustics
Pressure contours and pathlines on a generic store being released from an aircraft bay at a Mach number of 0.7 at three times Store Separation Analysis

Ejection Seats

Pathlines and contours illustrate the forces on a fighter pilot after ejecting from the airplane Shocked Fighter Pilots Modeled in FLUENT

Electronics Cooling

CFD model of a motor control module Electronic Cooling Simulation Helps Reduce Design Time
Qualitative comparison of the predicted flow field with smoke visualization for two channel configurations: 5° (left) and 10° (right) Converging on Electronics Cooling Technology
The oscillator assembly Cooling Analysis Eliminates Fan, Reducing Weight by 60% and Power Draw by 75%

Find out more about Electronics Cooling software products from Fluent

Environmental Control Systems

Temperature distribution in a mixing manifold Environmental Control Systems
Computational mesh and temperature distribution in the mixing manifold Boeing Uses FLUENT to Cut Costs
CFD was chosen to investigate the airflow characteristics in a section of 767-300 Cabin Simulation Explores Possibility of Virus Spreading in Airplane Cabin

Fire Suppression Systems

Time-dependent prediction of simulated halon distribution for fire suppression in the core compartment of a jet engine Fire Suppression and Detection

Fuel Tanks

CFD simulation of fuelt tank sloshing, free surface fuel at T=0.123s Fuel Tank Sloshing
Predicted CFD cold fuel plume from ruptured left wing fuel tank during the Concorde take off Fatal Concorde Fire Explained
Air volume fraction inside (blue represents water) and pressure contours outside the store Store Separation with Sloshing

Fuel Pumps

Static pressure contours on a pump boost stage Aerospace Fuel Pumps

Inlets and Diffusers

Hybrid inlet total pressure contours at exit, created using an unstructured mesh CFD package Sandia Uses CFD Software with Adaptive Meshing Capability to Optimize Complex Inlet Design
CFD simulation of static pressure contours on a drone surface Propulsion System Testing With CFD
Contours of Mach number illustrate the shock for mid-descent case for generic nacelle Preliminary Design and Evaluation of High Bypass Nacelle Inlets Using 3-D Navier-Stokes CFD Simulation
Contours of Mach number at four locations the inlet to the duct, the muff inlet, the screen, and the bell mouth inlet Using CFD to Optimize Auxiliary Power Unit Design
An air-intake simulation of a Swedish fighter jet Linux Clusters: Inexpensive Power for High-End CFD Computations

Instrumentation and Sensors

Sample plots showing CFD simulation of temperature sensor BFGoodrich, Aerospace, Aircraft Sensors Division, Achieves Lowest Drag ever on Debris-Guarded Temperature Sensor using Computational Fluid Dynamics

Landing Gear

CFD simulation of aircraft landing gear showing vortical structures visualized using isosurfaces of the second invariant of the deformation tensor, colored by velocity magnitude Low Landing Noise

Nozzles

CFD simulations to match the rig hardware dimensions Honeywell Validates Turbofan Mixer Nozzle Design
Temperature in the mixing zone and on the nozzle components of a turbofan lobed mixer nozzle Turbofan Lobed Mixer Nozzle

Store Separation

Comparison of numerical (blue) and experimental (shadow) separation events Dynamic Meshing Models Store Separation from Transonic Aircraft
Pressure contours and pathlines on a generic store being released from an aircraft bay at a Mach number of 0.7 at three times Store Separation Analysis
Air volume fraction inside (blue represents water) and pressure contours outside the store Store Separation with Sloshing

Thrust Reversers

Stream lines from the thrust reverser efflux by computational fluid dynamics (CFD) Computer Simulation of Thrust Reversers Reduces Testing, Enhances Performance and Reliability