ADVANCED PROPULSION

Improved ground simulation of true air flight environment

PERIKIN has over 10 years of  experience Improving Ground Test Methods, Expanding Test Envelopes, Improving Accuracy and Fidelity

• Accurate determination engine performance and operability

• Representative environments for aero-thermal structural and

• aero-optic testing

• Validated technologies reduce risk to build full scale test facility

Highlights

Improved ground simulation of flight inlet distortion

Highlights

• Ceramic morphing components for hypersonic ground test facilities

• Developing direct-connect variable Mach nozzle and distortion duct

• Ability to replicate flight inlet distortion flow while the Mach number varies continuously in a direct-connect ground test facility

Determine the capability of existing test methods & facilities to evaluate and develop large scale hypersonic propulsion systems

Highlights

• Resolve effects on predicted flight performance between different test facility configurations

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• PERIKIN Provides test data correlations between ground test configurations and improved flight test predictions

AERODYNAMICS & AEROTHERMAL

PERIKIN has extensive experience Improving Aeroheating & Erosion Test Capabilities, Improved Flow Quality, H/S Munitions Dispensing Testing

Improved arc heater design enables test capability for boost-glide systems

• High enthalpy flow with longer test times

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• Expanded test envelope representative of typical boost glide trajectories

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• Improved electrode design and arc control provides more consistent conditions and longer component life

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• Mid pressure arc heater capability is essential tool in advanced materials characterization and Thermal Protection System (TPS) design.  

State of the art prediction tools for Boundary Layer Transition

• Correlate BLT results between different test facilities using various vehicle shapes

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• Facility flow noise characterization

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• Defines optimal methods & instrumentation

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• Validates prediction tools and measurements of transition mechanisms

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• Provides an acquisition road map for system development.

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• Develops computational link between ground and flight test BLT predictions

FLIGHT TEST & EVALUATION

PERIKIN has extensive experience  Improving Mission Assurance and Launch Flexibility, Developing In-Flight  Measurements,   Increasing Data Capture per Flight

Measurement of atmospheric flight conditions for flight tests. Significantly more accurate test data analysis and vehicle performance estimates with low uncertainties and better spatial and temporal resolution

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• Determine the technical performance, capital & operational costs, & CONOPS for a High Altitude, Long Endurance Uncrewed Aerial System

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• Analyze telemetry, flight safety, optical remote sensing, LIDAR atmospheric measurements capabilities

• Lower cost flight test range support while providing greater quantity & quality data

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• High fidelity optical tracking mount

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• Lightweight, large aperture telescope

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• Sensor directed flight

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• Remote in-flight readings on the outside of hypersonic vehicles

COMPUTATIONAL TOOLS FOR HIGH 

SPEED FLOW FIELDS

Advancing Modeling and Simulation Capabilities for Hypersonic Test and Evaluation

• 2D spatial maps of exhaust gas properties from  laser absorption measurements

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• Improved understanding of combustion processes

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• Verification of CFD code predictions, evaluation of turbine and scramjet engine combustion efficiency, performance and operability.

• Full vehicle simulation capability for transient aero-heating analyses of high-altitude, long  duration flight vehicles

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• Tightly integrated, efficient engineering tool

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• Faster processing times

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• Enables pre/post-flight assessment of hypersonic flight systems' TPS, aero-optical and aero-structural responses 

• Predict 2nd mode BLT

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• Models crossflow mode BLT

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• Enables physics

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• based 3-D boundary layer transition and stability prediction

• For use on hypersonic vehicles at angles of attack and yaw

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• Accurately determine the associated effects of heat transfer, drag and ablation on a vehicle

Instrumentation & Diagnostics for High

Speed Flow Fields

Innovative New Sensors, Improving Accuracy, Increasing Measurement Ranges

High enthalpy skin friction sensor to accurately measure surface shear forces for high speed system development

Heat flux sensor capable of surviving extremely high temperatures associated with hypersonic ground test conditions

Developing Mid- IR Tunable Laser Absorption Spectroscopy Technology that will significantly increase the precision and accuracy over current methods leading to improved hypersonic facility and engine system diagnostics

Develop a force balance system with high stiffness and frequency response to make measurements in hypervelocity flows with test durations of 1-2 msec

PROGRAMMATIC SUPPORT

• Planning and oversight of technology development and investment projects

• Preparation of BAA topics - technical assessments of white papers and proposals, drafted technical evaluations for contract awards and helped the Air Force comply with schedule and documentation requirements of the PEO STRI contracting office. 

• Executing a portfolio of investments including establishment of new hypersonic test facilities, improvements to existing test capabilities, and fielding new instrumentation and modeling and simulation tools. 

• Earned Value Management and Risk Management 

• Transition of new technologies to DOD Test Centers

• Transition of new facilities and test capabilities to receiving DoD test organizations