Mission Area I: Thermal, Structural and Fluid Analysis and Modeling
Suggested topics for papers in this session include:
- Development of constitutive relationships for thermo-structural modeling of heated composites
- Model validation studies of derived relationships
- Numerical implementation of methods into integrated code
- Structural analysis of composites including presentation of model results and implications of constitutive modeling methods and failure criteria
- Study of material thermal decomposition kinetics and role in material structural response
- Study of pyrolysis gas evolution and chemical treatment of reaction rate dependency on composition in thermally decomposing zones and char layers
- Charring-material ablation thermal model development of composite materials including porous media methods development and implementation (one and two dimensional)
- Development of semi-empirical laboratory techniques used for determination of composite material thermal, structural, and porous media properties at temperature
- Study of nozzle environment predictions as it pertains to interaction with ablative materials
- Condensed phase augmentation of nozzle liner surface recession rates by chemical and/or mechanical removal mechanisms
- Characterization of convective heat and mass transfer environments using boundary layer or Computational Fluid Dynamic (CFD) methods
Mission Area II: Nozzle Design, Test and Evaluation
- Nozzle design, test, and evaluation areas of interest include Evaluation - Health monitoring for material aging and material characterization
- Nozzle Design ‘lessons learned’
- Test - performance based acceptance test/post-test evaluation and new, improved test methods
- New materials characterization and fabrication, including constituent/composite material behavior throughout all phases of processing
- In-process characterization techniques and instrumentation.
- Assessment of the state-of-the-art, vision of the future, and research/development paths is requested
Papers addressing qualitative and quantitative goals relevant to technical, and system level challenges are specifically sought. Discussion of new technologies/materials and future expectations is also invited.
Mission Area III: Thrust Control
Specific topics of interest include nozzle designs that use active or passive control to achieve thrust control; weight, volume, size, and cost reduction techniques; component and system modeling and analysis, to include system performance benefits of thrust management control or thrust vector control; control techniques, to include control systems, control algorithms, actuation methods or mechanisms; thrust management control via pulsing, and motor extinguishment and re-ignition; pintle controlled nozzles; VAN (variable area nozzle) designs; nozzle designs that incorporate thrust vector control (exclusive of jet vane systems) as well as thrust level control; developments in jet vane/tab, moveable nozzle, hot gas valve, probe, fluid injection, or any other standard or novel TVC technologies; TVC appliations of micro-electromechanical systems (MEMS); and component and system test results.
Mission Area IV: Innovative Nozzle Materials
This session will include papers addressing nozzle cost and weight reduction techniques; low cost designs; the investigation and/or assessment of new/innovative materials to address weight reduction requirements.