Abstract:FTT has designed, built, and tested a prototype of their Miniature Actuating Guided Nozzle Mechanism (MAGNM) for use with DACS thrusters. FTT"s MAGNM is a passive nozzle extension that surrounds the DACS thruster on a guide tube. When ready to deploy the nozzle extension, inert gas or… more
Abstract:Rotating-to-static seals are critical components of all gas turbine engines. The seals can significantly affect the efficiency, operability, and durability of a gas turbine engine. As such, any improvements to these seals are highly desirable. Improvements may come in the form of reduced leakage… more
Abstract:Cryogenic engines for in-space propulsion require innovative technologies to provide long-life, lightweight, and reliable turbopump designs. One area open for improvement is seals for rotating-to-static hardware. Florida Turbine Technologies, Inc. (FTT) is proposing the use of a floating seal for… more
Abstract:Pressure gain combustion has the potential to significantly improve the specific fuel consumption for gas turbine engines by realizing a pressure rise through the combustor as opposed to a pressure drop. One drawback to this form of combustion is the cycl
Abstract:ABSTRACT: Liquid rocket propulsion systems require the use of high pressure LOX, and therefore have the need for LOX compatible materials. This is especially true in LOX turbopumps, which have inducers, impellers, discharge volutes, and housings exposed to or submerged in LOX. The high pressures… more
Abstract:ABSTRACT: The future of gas turbine engines needed for propulsion and power in small unmanned military aircraft will hinge on the ability to enhance the efficiency for low fuel burn while maintaining world-class performance. Florida Turbine Technologies, Inc. (FTT) is currently developing… more
Abstract:This Phase I project will develop an innovative signal processing and information processing concept for improved detection in acoustically noisy littoral waters using existing towed arrays or hull-mounted arrays. These relatively shallow waters have many sources of noise and interference which make… more
Abstract:This project develops FluentBuddy, a rehabilitation framework that utilizes innovative speech processing algorithms, as a platform to enable new cloud computing-based service delivery solutions for autonomous assessment, treatment, and management of communication disorders outside of a clinic. This… more
Abstract:DESCRIPTION (provided by applicant): Dramatic advances in the development of biomedical ontologies hold the promise of a deeper and clearer understanding of the molecular and genetic aspects that affect human health. Biomedical data and knowledge stored in ontologies and databases have the… more
Abstract:The proposed Epidemiology Data Integration and Analysis platform, EpiDIA, is designed to enable integration of the diverse datasets used in epidemiology research and enable the design of user-defined queries, data mining and investigator-initiated analysis. It will enable the deployment of data both… more
Abstract:The proposed work seeks to clearly demonstrate the advantage of the multiple-input multiple-output (MIMO) radar architecture over a similar single-input multiple-output (SIMO) or phased array system; the benefit of applying data-adaptive signal processing techniques in favor of their… more
Abstract:DESCRIPTION (provided by applicant): This project aims to develop a device capable of acquiring transient and steady state auditory evoked potenlatials (AEPs) simultaneously using an efficient and advanced processing technique. The proposed technique willbe implemented as a software module on… more
Abstract:Current multi-touch pressure sensitive Commercial Off The Shelf (COTS) hardware and software (e.g., Apple iPhones, Android Phones, etc.) allow users to seamlessly interact with software applications using gestures, but underutilize their potential by only employing a limited set of Human Computer… more
Abstract:Metallic Direct Digital Manufacturing (MDDM), is based on layer-by-layer metal deposition and has been developed to a sufficient state of manufacturing readiness where production applications have emerged in niche industrial sectors. DDM processes in general require the use of raw materials that are… more
Abstract:Thermal Stir Welding (TSW) provides advancement over the more conventional Friction Stir Welding (C-FSW) process because it separates the primary processes variables thereby allowing independent control of metal stirring and forging from the stir zone temperature. However, the feedback for precise… more
Abstract:ABSTRACT: The purpose of this proposal is to develop a new photosensitive optical material with working range from 3 to 5 um, which enables recording of high efficiency volume holograms with tolerance to high power laser radiation, and to demonstrate the use of those holograms for beam control of… more
Abstract:With the advent of pulse energy weapons, the transient characteristics of military aircraft power systems is changing. These new loads require power supplies that shield the pulse transient from the electrical distribution system, while also being highly efficient, power dense, and reliable.… more
Abstract:As shipboard control electronics continue to evolve, electronic systems inevitably incur hardware changes. However, these system changes often require sound recertification of the electronics enclosure, which can be a very costly and time-consuming process. Therefore, it is desirable to build a… more
Abstract:The U.S. economy and the American way of life rely heavily on transportation by cars and trucks. This transportation is dependent almost entirely on oil, which creates vulnerability to supply chain disruptions, potential for fuel price shocks, and exposure to emissions of air pollutants. Reducing… more
Abstract:Automotive manufacturers have investigated many technologies to achieve ever-increasing, federally- mandated fuel consumption requirements. However, alternative approaches must be considered to meet the upcoming efficiency demands. Differential compression/expansion ratio (DCE) engines have been… more
Abstract:The U.S. Department of Energy is currently seeking technologies that can significantly decrease the cost of solar hot water heating systems. Mainstream Engineering Corporation is proposing to develop a low- cost, highly efficient solar collector that will significantly reduce the installed cost of… more
Abstract:ABSTRACT: Experimental testing of dynamic models has been performed for more than 50 years and a wealth of data exists for individual models. However, this data is often either restricted as proprietary or is not suitable for CSE tool validation as a result of incomplete model or test information. … more
Abstract:Autonomous inspection systems are necessary to increase awareness of track safety and maintenance issues. However, electrical power for these systems is not available under freight railway vehicles. Mainstream Engineering (MEC)
proposes development of a small-scale diesel generator with an… more
Abstract:In Phase I, Mainstream Engineering demonstrated that a high concentration liquid-fed fuel cell system would significantly exceed the energy density of existing military batteries. In this proposal, we describe our Low Temperature Extended Lifetime Fuel Cell (LoTEL-FC) hybrid power system for… more
Abstract:ABSTRACT: A new generation of supersonic weapons will operate at Mach 3-6. Current infrared window materials are unable to withstand the heat generated and temperatures associated with hypersonic flight. In Phase I, Mainstream developed an advanced cooling technology capable of reducing the… more
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