braunschweig, göttingen, köln

Institute of Aerodynamics and Flow Technology

Braunschweig, Göttingen, Köln

Director Braunschweig: Cord-Christian Rossow

Director Göttingen/Köln: Andreas Dillmann

Organization and Structure

Organization Sites

Departments

Expertise of the Institute

Particular Expertise

Infrastructure Ground Facilities and Aircraft

Research and Application Software products

Research partnership

Industrial partnership

Expertise

Introduction Research Areas

Portfolio

Research Areas

At the Institute of Aerodynamics and Flow Technology

In the research domain of fluid physics the institute provides the link between basic research and

industrial implementation. Our knowledge base is embedded into an international framework of

research establishments and industry.

New methods and technologies in the area of aerodynamics

and flow technology for aeronautics, aerospace, power

supply and transportation systems

The entire range from transport and combat aircraft over helicopters and air taxis up to hypersonic air vehicles

Numerical methods, wind tunnel experiments and flight tests

We do research

We analyze and optimize

We develop and use

Organization | Sites of the Institute

Total: ~ 380 Employees

(exept internships, students, temporary support staff)

Braunschweig: ~ 160 Employees

Göttingen / Köln: ~ 220 Employees

Status: Aug. 2021

Organization | POCs

Management ASProf. Rossow, BS / Prof. Dillmann*, GO

Dr. Brodersen (stv), BS / --

*current managing director

Spacecraft

Dr. Eggers, BS

Prof. Hannemann, GO

Helicopters

Prof. Raffel, GO

Dr. Schwarz, BS

Experimental Methods

Dr. Koop, GO

Supersonic andHypersonic Technology

Prof. Gülhan, KP

Responsibility

Director Braunschweig (BS)

Responsibility

Director Göttingen/Köln (GO/KP)

Technical Acoustics

Prof. Delfs, BS

Ground Vehicles

Prof. Wagner, GO

High SpeedConfigurations

Dr. Richter, GO

Status: Aug. 2021

Transport Aircraft

Dr. Brodersen BS

Dr. Geyr v. Schweppenburg BS

Prof. Rudnik BS

C²A²S²EProf. Görtz, BS

Dr. Grabe, GO

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Organization | Departments

C²A²S²EProf. Görtz, BS

Dr. Grabe, GO

Transport AircraftDr. Brodersen BS

Dr. Geyr v. Scvhweppenburg BS

Prof. Rudnik BS

HelicoptersProf. Raffel GO

Dr. Schwarz BS





Technical AcousticsProf. Delfs BS

Experimental Methods

Dr. Koop GO

Ground VehiclesProf. Wagner GO





High Speed Configurations

Dr. Richter GO

Super- and HypersonicTechnologies

Prof. Gülhan GO

SpacecraftDr. Eggers, BS

Prof. Hannemann, GO




Our Expertise

at the Institute of Aerodynamics and Flow Technology

By use of the numerical and experimental research capabilities

we create the future in aeronautics by increasing

efficiency | environmentally sustainability | comfort | performance | safety

Aeroacustic prediction

and noise reduction

Aerothermo-dynamic

design and analyses

Fluid physicsConceptual design,

analyses and

assessment

Aerodynamic design

and analyses

Multi-disciplinary numerical

simulation and optimization

Measurement techniques and

experimental validation

Particular Expertise | Aerodynamic Design and Analysis

Focus area and Content Methods and Technologies Application

• Wing design

• High-lift design

• Engine integration

• Laminar technologies

• Flow control

• Loads control

• Flow simulation

• Wind tunnel-, flight test

• Numerical optimization

• Inverse design

• Transition prediction using LST

• Drag balancing

• Research configurations, e.g. FSW, F15

• Transport and combat aircraft

• Aircraft components(Winglet variants, fins, engine inlet)

• Wind energy

Droop nose1g flight shape

Jig shape

Transition line

Particular Expertise | Multidisciplinary Numerical Simulation and Optimization

• Shape optimization

• Multi-disciplinary simulation

• Multi-disciplinary optimization

• Quantification of aerodyn. uncertainties

• Robust design

• Virtual aircraft

• Simulation based certification


• CFD-Methods

• Physical modelling for flight boundaries

• Adjoint methods

• Coupling of disciplines

• Surrogate models, ROMs

• HPC

• Maneuver-/gust simulation

• Prediction of aerodyn. datafor performance, loads, S&C

• Design of aircraft components, trade-studies

• Optimization of the overall aircraft

• Data fusion

Particular Expertise | Measurement Techniques and Experimental Validation


• Complex, unsteady flow phenomena

• Fluid-structure interaction

• Instability problems

• Flow control

• Transition research

• Measurement techniques in cryogenic environment (ETW)

• Non-intrusive image based measurement methods

• Optical measurement techniques for relevant flight Re-numbers

• New evaluation procedures

• Automated complex measurement systems

• AIRBUS Preferred Supplier

• Highly accurate fundamental-and validation experiments:

− Industrial wind tunnels

− Flight test

• Method to assess 2D- and 3D- data: pressure, velocity, density, temperature, deformation and noise sources

Particular Expertise | Conceptual Design and Configuration Analyses


• Conceptual and preliminary design of aircraft configurations

• Assessment of technologies on aircraft platform level

• Development of design and analysis processes, including physically based modeling

• Determination of sensitivities

• Parameter studies and optimization calculations

• Overall concept studies

• Low energy aircraft

• Low noise aircraft

• Agile configurations

• High altitude platforms

Particular Expertise | Aeroacoustic Prediction and Noise Reduction


• Flow noise

• Installation aeroacoustics

• Valid aeroacousticsimulation methods

• Physical modeling

• Noise reduction technologies

• Cabin noise excitation

• Experimental simulation

• acoustic wind tunnels

• flyover tests

• Numerical simulation

• HiFi CAA Solver

• Wave Equation Solver

• Analysis / noise reduction

• high lift systems

• aircraft landing gear

• engine / airframe integration

• Quiet rotors design for wind turbines

• Silent aircraft concepts

Particular Expertise | Aero-Thermodynamic Design and Analysis


• Numerical flight test

• Multi-disciplinary analysis

• Design / analysis (launchers / entry / re-entry)

• Aerothermodynamics (e.g., Space Debris)

• TAU (including hypersonic extensions)

• REENT-6D (trajectory)

• Nastran / ANSYS

• Simulink

• HEG / VXG / STG-CT

• Flight test

• Shefex I + II

• IXV, X-38, HiFIRE 7

• Ariane V / VI, VLM, VS50

• ExoMars

• LAPCAT I+II, ATLLAS I+II

• HEXAFLY-Int, Skylon

• ReFEx

Particular Expertise | Flow Technology


• Numerical and experimental cabin aerodynamics

• Numerical and experimental ground vehicle aerodynamics

• Acoustics and noise emission in traffic

• Experimental simulation

• Wind tunnels

• Tunnel simulation facilities

• Cabin test vehicles

• Cabin models

• Numerical simulation

• Comm. CFD method

• DLR method TAU

• Analysis / Optimization

• Air Distribution Systems

• Ventilation Techniques

• Train Forms / Tunnel Portals

• Assessment and prediction of objective comfort factors and noise sources

• Aeroacoustic Low Speed Wind Tunnel Braunschweig (DNW/NWB)

• Acoustic Wind Tunnel Braunschweig (AWB)

Infrastructure | Research Facilities and Aircraft

Wind Tunnels

• High Enthalpy Shock Tunnel Göttingen (HEG)

• Transsonic Wind Tunnel Göttingen (DNW/TWG)

• Trisonic Wind Tunnel Köln (TMK)

• Hypersonic Wind Tunnel Köln (H2K)

• Vertical Test Facility Köln (VMK)


Test and Simulation Facilities

• Electric Space Propulsion Test Facility / Chemical Thrusters (STG-ET/CT)

• Rotor Test Facility Göttingen (RTG)

• Side Wind Test Facility Göttingen (SWG)

• Tunnel Simulation Facility Göttingen (TSG)

• Test Bench for Hybrid Rocket Engines Trauen (MEDUSA)

• Arc-heated Facility Köln - 2 (L2K)

• Arc-heated Facility Köln - 3 (L3K)



Research Aircraft

• Airbus A320 ATRA

• Falcon 2000LX ISTAR

• Small Aircraft

• Helicopters

• Pressure/Temperature Sensitive Paint (PSP/TSP)

• Particle Image Velocimetry (PIV)

• Flight measurement technology for air and space vehicles

Measurement Technology

High Performance Computer

• HPC-Cluster CARA (2280 computing nodes, 145.920 cores, 306 TB main memory, 17 PB disk space, 1,798 PFlop/s performance)


• HPC-Cluster CARO (1364 computing nodes, 174.592 cores, 354 TB main memory, 8,4 PB disk space, 3,470 PFlop/s performance)




Research and Application | Software Products of the Institute

AcousticFluid Mechanics

FLOWer Structured CFD Solver

TAU, CODA Unstructured CFD Solver

THETA Incompressible CFD Solver

SMARTy Toolbox For Surrogate Modelling

MegaCads Structured Gridgenerator

NOLOT/PSE Flow Stability Code

FlowSimulator HPC Simulationsumgebung

PIANO/ CAA High Resolution LEE/APE solvers

DISCO++ structured/hybrid

FRPM Advanced stochastic turbulence model

FM-BEM Fast-Multipole BEM wave solver

APSIM FW-H/Kirchhoff Code

UPM Unsteady Panel Method

SELENE

PANAM

Helicopter Flyover Noise Prediction

overall aircraft noise prediction solver



Research and Application | Research partnership

• California Institute of Technology

• Stanford University

• Tohoku University

• TU Delft

• University of Maryland

• ARA

• Fraunhofer IWES

• JAXA

• NASA

• ONERA

• RWTH Aachen

• TU Berlin

• TU Braunschweig

• TU Ilmenau

• TU München

• Uni BW München

• Universität Bremen

• Universität Gießen

• Universität Göttingen

• Universität Hannover

• Universität Oldenburg

• Universität Stuttgart

We see ourselves as a link between basic research at universities and industrial

implementation. This results in a large number of joint international research activities.

Research and Application | Industry partnership

• Airbus

• Alstom

• Bombardier Transportation GmbH

• Diehl Aircabin GmbH

• Ebm-papst

• ENERCON, GE, NORDEX

• ETW

• Korea Agency of Defence and Development

• La Vision

• MBDA, Bayern-Chemie

• Rolls-Royce

• Siemens Mobility

• VW, Porsche, Audi

In the exploration and application of advanced aerodynamic and fluid

mechanics methods, we collaborate with numerous partners in the aerospace

industry worldwide.

Thank You for Your Interest.

DLR.de/as/en

Images, unless otherwise stated: DLR

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