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  • Intake Performance » Aircraft Research Association
    Aircraft Research Association Serviços Aerodinâmica experimental Transonic Wind Tunnel Testing Military Aircraft UAV s and Missiles Intake Performance The intakes of the vehicle i e aircraft cruise missile etc deliver the air to the engines It is important that the air flowing into any engine is well behaved so that the engines operate efficiently and reliably with minimal maintenance The intakes must retain optimal functionality throughout the operational envelope whatever the speed or attitude of the vehicle Why ARA ARA has extensive experience in the design and manufacture of bespoke ejectors and engine face rakes together with appropriate intake models and support structures We also have an on site intake duct calibration facility the Mach Simulation Tank It can be used to calibrate model engine nacelle duct intake thrust and discharge coefficients over the range of pressure ratios experienced in both the Transonic Wind Tunnel and a quiescent environment This facility may also be used to check the operation of engine face rakes Due to the dynamic nature of air flow a high speed data acquisition system is also vital ARA has a bespoke system for the acquisition of high speed steady state and dynamic data in real time during testing Coupled with real time data reduction techniques this system provides immediate access to the results of pressure recovery and distortion using the ARA data monitoring system A Typical Test An intake test involves the design and manufacture of a model of an appropriate section of the vehicle to be tested for an aircraft this might be the forward fuselage only whilst for a missile it may consist of most of the fuselage and the wings in the appropriate deployed position Integrated into this model is an ejector powered by a supply of high pressure air which induces the required

    Original URL path: http://www.ara.co.uk/pt/servicos/aerodinamica-experimental/transonic-wind-tunnel-testing/military-aircraft-uavs-and-missiles/intake-performance/ (2016-02-17)
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  • Installed Store Loads » Aircraft Research Association
    Document Downloads Newsletter Registration Careers Vacancies New Page pt New Page pt New Page pt New Page pt Benefits Apprentices Personal Experiences Graduates Industrial Placements Work Experience Contact Installed Store Loads Aircraft Research Association Serviços Aerodinâmica experimental Transonic Wind Tunnel Testing Military Aircraft UAV s and Missiles Installed Store Loads Installed stores are items like fuel tanks and weapons which are carried by the aircraft externally on pylons or in internal weapon bays The very complicated nature of the airflow around an aircraft and the stores that are attached to it means that wind tunnel tests remain an important part of most store integration programs Wind tunnel tests provide the large quantities of high quality data needed to provide store loads throughout the aircraft s operational envelope with speed and reliability For some full models the use of an internally mounted balance is not possible i e models with full ducted air flow where there is insufficient room remaining within the model to house a suitable balance In these cases the pressure measuring method is utilised to acquire sufficient data to enable loads to be obtained by integrating pressures over the whole model or indeed for individual portions of the model Wind tunnel tests provide the high quality balance or pressure data depending on the methodology used needed to determine the loads on the overall model or control panels Why ARA We have a world leading capability in the manufacture of stores support mechanisms and balances completed to the very highest standards including bespoke stores with free floating seeker heads and with spring loaded free floating canards or fins ARA is also a world leader in the provision of small panel balances together with many years of experience in the use of pressure measurement techniques for overall models and control

    Original URL path: http://www.ara.co.uk/pt/servicos/aerodinamica-experimental/transonic-wind-tunnel-testing/military-aircraft-uavs-and-missiles/installed-store-loads/ (2016-02-17)
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  • New Page-pt » Aircraft Research Association
    Aircraft UAV s and Missiles Store Separation Stability and Control Intake Performance Installed Store Loads Isolated Store Loads Data Quality and Repeatability Productivity Customer Facilities Other Test Facilities Balance Calibration Laboratory Mach Simulation Tank Propeller Test Cell Small Scale Transonic Tunnel 2 Dimensional Tunnel Large Scale Thrust Measuring Rig New Page pt Design e fabrico CAD Design Services Precision Model Manufacture Inspection Services Finite Element Analysis Strain Gauge Balance Design and Manufacture Dinâmica dos fluidos computacional CFD Software Code Development CFD Software Code Application Applied Aerodynamics Integrated CFD Wind Tunnel Weapons and Weapon Bay Analysis Wing Design Process Aerodynamic Research Inovação e tecnologia Clean Sky Project Strain Gauge Balance Developments Pressure Sensitive Paint Model Deformation Measurement New Page pt Media Centre Image Library Video Gallery Document Downloads Newsletter Registration Careers Vacancies New Page pt New Page pt New Page pt New Page pt Benefits Apprentices Personal Experiences Graduates Industrial Placements Work Experience Contact New Page pt Aircraft Research Association Serviços Aerodinâmica experimental New Page pt ARA utilises several different types of optical systems for visualisation and measuement of aerodynamic phenomena within it s facilities Many of these have been customised to suit the particular challenges of capturing data within an industrial wind tunnel As these are developed into production systems ARA makes them available to other companies for use in their facilities offering the full design sales installation and support services for these systems A significant area of development in recent years has been around the pressure sensitive paint technologies and techniques and as a result of this ARA has teamed with the US based research and development company ISSI Innovative Scientific Solutions Inc Since 2009 ARA has been the sole European agent and distributor for the ISSI range of products as well as an experienced user within the ARA

    Original URL path: http://www.ara.co.uk/pt/servicos/aerodinamica-experimental/new-page-pt/ (2016-02-17)
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  • CAD Design Services » Aircraft Research Association
    Propulsion Performance Isolated Propulsion Performance Military Aircraft UAV s and Missiles Store Separation Stability and Control Intake Performance Installed Store Loads Isolated Store Loads Data Quality and Repeatability Productivity Customer Facilities Other Test Facilities Balance Calibration Laboratory Mach Simulation Tank Propeller Test Cell Small Scale Transonic Tunnel 2 Dimensional Tunnel Large Scale Thrust Measuring Rig New Page pt Design e fabrico CAD Design Services Precision Model Manufacture Inspection Services Finite Element Analysis Strain Gauge Balance Design and Manufacture Dinâmica dos fluidos computacional CFD Software Code Development CFD Software Code Application Applied Aerodynamics Integrated CFD Wind Tunnel Weapons and Weapon Bay Analysis Wing Design Process Aerodynamic Research Inovação e tecnologia Clean Sky Project Strain Gauge Balance Developments Pressure Sensitive Paint Model Deformation Measurement New Page pt Media Centre Image Library Video Gallery Document Downloads Newsletter Registration Careers Vacancies New Page pt New Page pt New Page pt New Page pt Benefits Apprentices Personal Experiences Graduates Industrial Placements Work Experience Contact CAD Design Services Aircraft Research Association Serviços Design e fabrico CAD Design Services The Design Office has over 50 years experience in the design of wind tunnel models and related equipment The office has a combined experience of over 80 years covering a wide range of model types and rigs both for conventional and cryogenic wind tunnels worldwide These include Complete and half models Civil and military models Icing models Helicopter models Low speed models Turbofan propeller simulation systems Engine intake exhaust rigs Aircraft stores A wide range of force measuring balances main model store rotary control surface Wind Tunnel hardware and other specialist rigs In the past ARA has frequently been required to provide turnkey projects for Customers resulting in the model design being tested in ARAs large Transonic Wind Tunnel Consequently a design culture has evolved and developed that

    Original URL path: http://www.ara.co.uk/pt/servicos/design-e-fabrico/cad-design-services/ (2016-02-17)
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  • Finite Element Analysis » Aircraft Research Association
    s and Missiles Store Separation Stability and Control Intake Performance Installed Store Loads Isolated Store Loads Data Quality and Repeatability Productivity Customer Facilities Other Test Facilities Balance Calibration Laboratory Mach Simulation Tank Propeller Test Cell Small Scale Transonic Tunnel 2 Dimensional Tunnel Large Scale Thrust Measuring Rig New Page pt Design e fabrico CAD Design Services Precision Model Manufacture Inspection Services Finite Element Analysis Strain Gauge Balance Design and Manufacture Dinâmica dos fluidos computacional CFD Software Code Development CFD Software Code Application Applied Aerodynamics Integrated CFD Wind Tunnel Weapons and Weapon Bay Analysis Wing Design Process Aerodynamic Research Inovação e tecnologia Clean Sky Project Strain Gauge Balance Developments Pressure Sensitive Paint Model Deformation Measurement New Page pt Media Centre Image Library Video Gallery Document Downloads Newsletter Registration Careers Vacancies New Page pt New Page pt New Page pt New Page pt Benefits Apprentices Personal Experiences Graduates Industrial Placements Work Experience Contact Finite Element Analysis Aircraft Research Association Serviços Design e fabrico Finite Element Analysis Whether a model design is being tested at ARA or another facility is irrelevant all test hardware will be subject to meeting specific strength and safety requirements To support the design process and preliminary hand calculations

    Original URL path: http://www.ara.co.uk/pt/servicos/design-e-fabrico/finite-element-analysis/ (2016-02-17)
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  • Balance Calibration Laboratory » Aircraft Research Association
    Store Separation Stability and Control Intake Performance Installed Store Loads Isolated Store Loads Data Quality and Repeatability Productivity Customer Facilities Other Test Facilities Balance Calibration Laboratory Mach Simulation Tank Propeller Test Cell Small Scale Transonic Tunnel 2 Dimensional Tunnel Large Scale Thrust Measuring Rig New Page tr Tasarım ve İmalat CAD Design Services Precision Model Manufacture Inspection Services Finite Element Analysis Strain Gauge Balance Design and Manufacture Hesaplamalı Akışkanlar Dinamiği CFD Software Code Development CFD Software Code Application Applied Aerodynamics Integrated CFD Wind Tunnel Weapons and Weapon Bay Analysis Wing Design Process Aerodynamic Research İnovasyon ve Teknoloji Clean Sky Project Strain Gauge Balance Developments Pressure Sensitive Paint Model Deformation Measurement New Page tr Media Centre Image Library Video Gallery Document Downloads Newsletter Registration Careers Vacancies New Page tr New Page tr New Page tr New Page tr Benefits Apprentices Personal Experiences Graduates Industrial Placements Work Experience Contact Balance Calibration Laboratory Aircraft Research Association Hizmetler Deneysel Aerodinamik Other Test Facilities Balance Calibration Laboratory ARA designs and manufactures balances for customers as well as for use in the ARA wind tunnels This includes main model balances with load capacities of up to 17 800 Newtons small store balances with load capacities of 30 Newtons and sting balances All of ARA s manufactured balances are calibrated in the Balance Calibration Laboratory All balances are calibrated to a very high standard using high accuracy dead weight loadings ARA also offers a calibration service for customer supplied balances Non standard balance installations can be accommodated with specialised loading adapters All the balance calibration equipment is traceable to UK national standards Technical Capabilities Standard equipment used to perform dead weight loadings in the calibration frame which incorporates pitch and roll levelling mechanisms Non standard balance set ups supplied with the necessary specialised loading adaptors A balance

    Original URL path: http://www.ara.co.uk/tr/hizmetler/deneysel-aerodinamik/other-test-facilities/balance-calibration-laboratory/ (2016-02-17)
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  • 2-Dimensional Tunnel » Aircraft Research Association
    Drag Performance Stability and Control Rear Fuselage Performance Installed Propulsion Performance Isolated Propulsion Performance Military Aircraft UAV s and Missiles Store Separation Stability and Control Intake Performance Installed Store Loads Isolated Store Loads Data Quality and Repeatability Productivity Customer Facilities Other Test Facilities Balance Calibration Laboratory Mach Simulation Tank Propeller Test Cell Small Scale Transonic Tunnel 2 Dimensional Tunnel Large Scale Thrust Measuring Rig New Page tr Tasarım ve İmalat CAD Design Services Precision Model Manufacture Inspection Services Finite Element Analysis Strain Gauge Balance Design and Manufacture Hesaplamalı Akışkanlar Dinamiği CFD Software Code Development CFD Software Code Application Applied Aerodynamics Integrated CFD Wind Tunnel Weapons and Weapon Bay Analysis Wing Design Process Aerodynamic Research İnovasyon ve Teknoloji Clean Sky Project Strain Gauge Balance Developments Pressure Sensitive Paint Model Deformation Measurement New Page tr Media Centre Image Library Video Gallery Document Downloads Newsletter Registration Careers Vacancies New Page tr New Page tr New Page tr New Page tr Benefits Apprentices Personal Experiences Graduates Industrial Placements Work Experience Contact 2 Dimensional Tunnel Aircraft Research Association Hizmetler Deneysel Aerodinamik Other Test Facilities 2 Dimensional Tunnel The two dimensional wind tunnel is used to test aerofoil sections at speeds between Mach 0 3 and 0 87 The tunnel test section is 0 2m 8in by 0 46m 18in The typical model chord length is 0 127m 5in The maximum unit Reynolds number is 55 million per metre The stagnation pressure ranges between 1 5 and 4 0 bars atmospheric pressure The incidence range for models is 11 to 20 The 2 Dimensional tunnel is mainly used for dynamic testing and analysis of helicopter rotor blade section performance The model is mounted in the Enhancing Rate Pitching System ERPS which is used to simulate the rotor blade dynamics to assess dynamic stall of the retreating

    Original URL path: http://www.ara.co.uk/tr/hizmetler/deneysel-aerodinamik/other-test-facilities/2-dimensional-tunnel/ (2016-02-17)
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  • CAD Design Services » Aircraft Research Association
    Propulsion Performance Isolated Propulsion Performance Military Aircraft UAV s and Missiles Store Separation Stability and Control Intake Performance Installed Store Loads Isolated Store Loads Data Quality and Repeatability Productivity Customer Facilities Other Test Facilities Balance Calibration Laboratory Mach Simulation Tank Propeller Test Cell Small Scale Transonic Tunnel 2 Dimensional Tunnel Large Scale Thrust Measuring Rig New Page tr Tasarım ve İmalat CAD Design Services Precision Model Manufacture Inspection Services Finite Element Analysis Strain Gauge Balance Design and Manufacture Hesaplamalı Akışkanlar Dinamiği CFD Software Code Development CFD Software Code Application Applied Aerodynamics Integrated CFD Wind Tunnel Weapons and Weapon Bay Analysis Wing Design Process Aerodynamic Research İnovasyon ve Teknoloji Clean Sky Project Strain Gauge Balance Developments Pressure Sensitive Paint Model Deformation Measurement New Page tr Media Centre Image Library Video Gallery Document Downloads Newsletter Registration Careers Vacancies New Page tr New Page tr New Page tr New Page tr Benefits Apprentices Personal Experiences Graduates Industrial Placements Work Experience Contact CAD Design Services Aircraft Research Association Hizmetler Tasarım ve İmalat CAD Design Services The Design Office has over 50 years experience in the design of wind tunnel models and related equipment The office has a combined experience of over 80 years covering a wide range of model types and rigs both for conventional and cryogenic wind tunnels worldwide These include Complete and half models Civil and military models Icing models Helicopter models Low speed models Turbofan propeller simulation systems Engine intake exhaust rigs Aircraft stores A wide range of force measuring balances main model store rotary control surface Wind Tunnel hardware and other specialist rigs In the past ARA has frequently been required to provide turnkey projects for Customers resulting in the model design being tested in ARAs large Transonic Wind Tunnel Consequently a design culture has evolved and developed that is

    Original URL path: http://www.ara.co.uk/tr/hizmetler/tasarm-ve-imalat/cad-design-services/ (2016-02-17)
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