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An Immersed Boundary Framework for Topology Optimization of Nonlinear Thermoelastic Structures with Internal RadiationSBC: SPECTRAL ENERGIES LLC Topic: AF17AT015
Thermoelastic structures poses a critical challenge to designers due to the inherent proportionality of the thermal loading on the structural thickness. This is further exacerbated by structural nonlinearity where any out-of-plane deformation further increases the effective loading on the structure. As a result of this, conventional design optimization procedures, which are typically based on line ...STTR Phase I 2017 Department of DefenseAir Force
High-Speed Measurements of Dynamic Flame Stabilization Processes in High-Pressure Combustion SystemsSBC: SPECTRAL ENERGIES LLC Topic: AF16AT13
The Phase-II research is a natural extension and a significant advancement over the Phase-I research, which has successfully demonstrated high-speed, burst-mode, polarization-based, dual-plane, stereoscopic PIV measurements synchronized with OH-PLIF imaging of turbulent swirling combustion in a generic gas-turbine combustor with and without acoustic forcing. We propose to conduct high-speed, burst ...STTR Phase II 2017 Department of DefenseAir Force
SBC: Faraday Technology, Inc. Topic: AF16AT20
This proposal addresses the need for development of room-temperature ionic liquids (RTILs) for use in electrolytes for reversibly electroplating films with specific optical, emissive and electrical properties on demand. Target applications for these electrolytes are devices using reversible electroplating for tuning/regenerating functional surfaces, such as mirrors or thermal emitters, deployed on ...STTR Phase II 2017 Department of DefenseAir Force
SBC: MANTEL TECHNOLOGIES INC Topic: DHA17A001
Investments by the Department of Defense (DOD) have led to the development and demonstration of electronic textiles capable of transforming traditional textile systems into wearable power and data systems. The Defense Health Agency (DHA) has identified an opportunity to leverage advancements in smart garment systems for military personnel to aid in the prediction in performance declines and healt ...STTR Phase I 2017 Department of DefenseDefense Health Agency
Extending Molecular Simulation to Grain Scale for Simulating Response of Energetic Material Under High Strain Rate and Shock LoadingSBC: CFD RESEARCH CORPORATION Topic: AF17AT023
High Velocity Penetrator Weapons experience severe stress in terms of high frequency vibration and shock during launch, flight, and on impact. The extreme conditions have significant impact on the survivability of the weapon due to damage of the energetic material and fuze compartment. Molecular dynamics is often used to understand the effect of external shock on the material. However, molecular ...STTR Phase I 2017 Department of DefenseAir Force
SBC: CFD RESEARCH CORPORATION Topic: AF17AT025
High speed air vehicles, already operating at material strength performance limits, are at significant risk when subjected to additional localized heating from sources such as directed energy. This localized heating may result in material softening, pitting and burn through causing structural damage and alteration of the structural profile. This damage can disrupt the aerodynamic performance and ...STTR Phase I 2017 Department of DefenseAir Force
SBC: CFD RESEARCH CORPORATION Topic: AF16AT14
The objective of the proposed Phase II effort is to establish fundamental understanding of combustion-physical mechanisms leading to blowout, the critical evaluation of model limitations in predicting these blowout processes and the development of an improved combustion model to enable the prediction of lean blowout (LBO) in swirl-stabilized combustors. For this, high-resolution numerical simulati ...STTR Phase II 2017 Department of DefenseAir Force
SBC: CFD RESEARCH CORPORATION Topic: DTRA16A003
Cost-effective application of advanced commercial electronics technologies in DoD space systems requires early development of radiation-hardened-by-design (RHBD) techniques, and use of simulations is critical to the efficiency of this process. CFDRC has developed an integrated, mixed-mode simulation approach allowing their NanoTCAD device physics simulator to interface with commercial circuit simu ...STTR Phase I 2017 Department of DefenseDefense Threat Reduction Agency
Computationally Efficient, Accurate and Uncertainty Characterized Chemical Kinetics for Hydrocarbon FuelsSBC: CFD RESEARCH CORPORATION Topic: AF17AT004
TBDSTTR Phase I 2017 Department of DefenseAir Force
SBC: CFD RESEARCH CORPORATION Topic: AF15AT21
Designing an efficient and effective film cooling system to protect critical components of modern rocket engines requires a significant number of problems and challenges to be addressed. Complicating the already difficult hydrodynamic challenges, thermal and/or catalytic cracking of hydrocarbon fuels is always accompanied with coke formation. Coke deposits on combustor and nozzle walls reduce heat ...STTR Phase II 2017 Department of DefenseAir Force