Abstract:An accurate prediction of aero-elastic effects depends on an accurate prediction of the unsteady aerodynamic forces. Perhaps the most difficult speed regime is transonic where the motion of the shock wave and its interaction with the boundary layer are dominant factors. In spite… more
Abstract:… industries in particular, the oil and aerospace industries. Both would significantly benefit from a system that could rapidly, efficiently, and accurately inspect and monitor curved surfaces. The application of composite materials has been increasing rapidly for contoured … more
Abstract:…. The proposed effort focuses on the Enhanced IPALS phasing concept, but can be adapted to other phasing concepts. A phased array model will be adapted from existing models, and will include many types of disturbances, such as speckle dynamics, platform vibration, … more
Abstract:ABSTRACT: The goal of this project is to develop key algorithmic components for predictive control of wavefront aberrations in aero-optics systems. Prediction should allow for improved performance over existing approaches and/or the use of low-cost commercial off-the-shelf… more
Abstract:… flexible structures and large relative motions. During Phase I of this effort, the feasibility of this new concept was also demonstrated. Hence, Phase II of this research project will focus on refining this innovative computational technology, implementing it in the AERO… more
Abstract:…. For these reasons, there is a pressing need today for a multidisciplinary computational tool capable of predicting accurately, reliably, and yet rapidly aeroacoustic loads and vibrations. To this effect, this Phase II SBIR focuses on integrating within the AERO Suite of… more
Abstract:…opment effort will deliver a multiphysics coupled analysis simulation method for hypersonic vehicle structures. The physics simulation capability will consist of a set of coupled software tools used to model the response of hypersonic vehicle structures in extreme aero-thermal… more
Abstract:A framework for studying the statistics of optical turbulence in an airborne platform is being proposed. This framework accounts for static, determined dynamic (or flowing), and random aberrations. It is recognized that the random aberrations due to the aero-optic boundary… more
Abstract:… viscous flows past dynamic aeroelastic systems with opening and closing gaps. The feasibility of this new computational framework was also demonstrated. Hence, Phase II of this research project will focus on tightly integrating this new capability in the AERO Suite of… more
Abstract:Continuous fiber-reinforced ceramics are an emerging class of materials that offer considerable potential for increasing weight-specific performance while reducing fuel consumption and enhancing the durability of advanced aero-turbine engines. The need for high-temperature,… more
Abstract:…of a robust intelligent sensor technology and fiber-optic network for sensing temperature and pressure in high temperature/ vibration gas turbine engine propulsion system applications. The existing Full Authority Digital Electronic Control (FADEC) architecture for aero-engine… more
Abstract:…ermine the benefits of higher temperature operation. We will investigate the possible impact of the small amount of water produced within the catalyst on the lubricating system. Mitigation will be proposed if necessary. In a collaborative effort with a leading aero engine… more
Abstract:… physics involved and the lack of suitable design tools. In Phase I of this project, the Advatech Team will develop and demonstrate the components needed and create a proof-of-concept for a design environment for designing and analyzing the core termination regions in … more
Abstract:Passive microwave emission from a missile plume offers potential for all-weather early launch detection because of superior microwave penetration through obscuring clouds, dust, haze, and fog. The task is to estimate through simulation the plume passive microwave signature due to gas/particle… more
Abstract:This proposal addresses the development of a practical multiphysics coupled analysis framework for hypersonic vehicle structures. This Phase I SBIR has two parts. The first part involves the definition of a hypersonic vehicle mission and its aero-thermal environments to locate… more
Abstract:…d realize three to four decibels overall noise reduction under the approach flight path by generating a swirling exhaust with drag equivalent to one to two turbofan-sized bluff bodies per powerplant. Such drag generation could enable slower and/or steeper and/or … more
Abstract:…arly relevant to the mission of the Flight Test Center at the Edwards Air Force Base. BENEFITS: The anticipated success of this research and development effort will not only extend the range of applications of arbitrary Lagrangian/Eulerian codes in general and the AERO Suite of… more
Abstract:…ed, this Phase I SBIR effort focuses on blending the arbitrary Lagrangian Eulerian and overset/chimera methods to develop a new fluid-structure analysis methodology for complex systems with flexible structures and large relative motions, implementing it in the AERO Suite of… more
Abstract:… advantage. For these reasons, there is a pressing need today for a practical and accurate multidisciplinary simulation tool for the prediction of airframe noise and aeroacoustic loads. To this effect, this Phase I research effort focuses on the development within the AERO… more
Abstract:… also be capable of representing, when appropriate, ablative materials. Most importantly, it must account for the coupling between all of these physics fields. The main goal of this Phase II SBIR project is to develop such a computational technology by transforming the AERO… more
Abstract:… Neptune where high heating rates require extremely large ballutes for ballistic capture. The application of the comprehensive tool, to be developed in later phases, will be extensive including, but not limited to, control studies for entry and descent, aerocapture, and … more
Abstract:There is a strong need to develop and demonstrate inter-laminar tension test methods for CMC at high temperatures in NAVY JSF Program for aero-engine components. MATECH GSM (MG) proposes to address this need by employing a variety of innovative low-cost pre-ceramic… more
Abstract:… require extensive calibration with test data. A novel methodology proposed by Vasudevan et al, based on a two-parameter method known as the unified crack growth model, improves these shortcomings. The NextGen team seeks to integrate the unified crack growth model with the … more
Abstract:… per powerplant. Such drag generation could enable slower, steeper approach trajectories with reduced need for drag generators such as flaps, slats and undercarriage. Proposed research tasks build upon a rigorous understanding developed by the investigating team on the … more
Abstract:… inefficient or numerically unstable. The main objectives of this proposal are: (a) to demonstrate a higher-fidelity, multidisciplinary computational technology for the analysis of hot vehicles that is numerically stable, provably accurate and compatible with the AERO code… more
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