Abstract:We propose using response surface methodology (RSM) as a tool to better understand the effects of engine design parameters and operating conditions on plume signature, and to improve signature predictions through optimized selection of analysis inputs. Often rocket engine operating conditions and… more
Abstract:Combustion instability is one of the greatest development risks for liquid propellant engines. In developing a stable injector design, the risks arise from a variety of sources - limited modeling capabilities, poor scalability and the high cost of appropriate component test facilities. Sierra… more
Abstract:The utilization of High Test Hydrogen Peroxide (HTP) as military propellant can be greatly simplified by replacing the classical catalyst bed with a novel thermal decomposer. A thermal peroxide decomposition system offers the potential to enhance the operability and system safety margin of peroxide… more
Abstract:We propose to develop an integrated Cryptography Module (CM) and RTU (CMRTU) for SCADA applications. When used in CM mode, our CMRTU will be easily retrofitted into existing SCADA networks. When used in advanced RTU mode (where higher bandwidth connections are available), our CMRTU will provide both… more
Abstract:The proposed research is to develop an overall system design for a power- and bandwidth efficient satellite communication modem, a communication waveform and an associated Medium Access Control (MAC) protocol to realize efficiency improvements. In currently deployed networks a single modulation… more
Abstract:A major obstacle for BMD systems to the introduction of new structures and designs using high-performance composites is the time and cost of the tooling required both to prototype and test new components and to transfer accepted designs to manufacturing.The development of reformable, reusable… more
Abstract:An innovative tunable vibration absorber (TVA) concept was developed in the Phase I feasibility study. This design was selected among others to be developed in full scale in Phase II and Phase II Option based on a detailed theoretical modeling, smallprototype test results, and a cost analysis,… more
Abstract:An innovative tunable vibration absorber (TVA) concept was developed in the Phase I feasibility study. This design was selected among others to be developed in full scale in Phase II and Phase II Option based on a detailed theoretical modeling, smallprototype test results, and a cost analysis,… more
Abstract:A study of the application for a visible light camera based on placing a Delta Sigma modulator at each pixel to provide per pixel A/D showed the potential for superior performance compared to alterate APS designs. It was demonstrated that substantiallyhigher fill factor and smaller pixel size could… more
Abstract:To reach the objectives of new and innovative technologies and architectures for phased array radar system development, ionized gas plasma antennas (GPA) and waveguides may be effective. GPA approaches such as windowing to reduce back and side lobes,increase radiation efficiency and provide rapid… more
Abstract:DESCRIPTION (provided by applicant): The ability to evaluate the performance of seat cushions is critical to the development of wheelchair seating and standards, and to the selection of cushions by consumers and therapists. To assess the ability of a wheelchair cushion to distribute pressure, the… more
Abstract:The Feather Weight Display is a novel design and integration of industrially mature technologies including ultra-density silicon circuits with ultra-dense chip-to-chip interconnections, ultra-density VCSEL arrays, nonlinear photonic upconverting colormaterials, and nonlinear optical elements. To… more
Abstract:70702B02-II Organic scintillators and waveshifters are fundamental materials used in the detection of ionizing radiation in experimental detectors for high energy physics research, and in other applications such as nuclear medicine and homeland security. Future scientific developments will… more
Abstract:DESCRIPTION (provided by applicant): Falls are the leading cause of US injury deaths among people 65 and older, and at least two of every three residents of skilled nursing facilities (SNF) fall at least once each year. This Phase I study will assess key parameters of a new wireless, non-restraint… more
Abstract:The primary goal of the proposed Phase II SBIR effort is to develop and fabricate high-speed interconnects utilizing GaAs-based monolithic switching modules and hybrid waveguides in order to relieve the chip-to-chip interconnect bottleneck. The switchingmodules include VCSELs and resonant cavity… more
Abstract:The primary goal of the proposed Phase I SBIR effort is to develop high channel-density interconnect modules for use in air platforms. This will be accomplished using a unique, monolithic, WDM, optoelectronic module that has a high interconnect density,small form-factor, and is rugged enough to… more
Abstract:The primary goal of the proposed Phase I SBIR effort is to investigate various schemes for implementing a built-in test circuit using integrated optoelectronic modules. The circuit will be implemented using OptiComp's (OCC) advanced optoelectronic moduleswhich monolithically integrate VCSELs,… more
Abstract:DESCRIPTION (provided by applicant): The present research seeks to develop and prospectively evaluate a web-based prevention program for sexual assault. More specifically, this project aims to provide educational institutions with a feasible, economical, and effective intervention for reducing… more
Abstract:DESCRIPTION (provided by applicant): Highly active antiretroviral therapy (HAART) has produced substantial improvements in health outcomes for HIV patients in a number of clinical trials. However, many HIV patients do not adhere sufficiently to this treatment, and thereby greatly limit its… more
Abstract:Urban warfare tactics call for clearing buildings from the top down. Roof access is greatly improved by a lightweight, efficient winch as a personal lifting device. The devise generates 1-2 hp, lifting soldiers with fighting load (~100 kg) at a rate of1-meter-per-second. Radiated noise is less than… more
Abstract:Kinetic Energy Kill Vehicles represent an integration of precision guidance and propulsion control subsystems. In Phase I, Quoin investigated potential system integration issues dealing with seeker IR background radiation due to exhaust luminosity of thedivert and attitude control thrusters. … more
Abstract:Kinetic Energy Kill Vehicles represent an integration of precision guidance and propulsion control subsystems. In Phase I, Quoin investigated potential system integration issues dealing with seeker IR background radiation due to exhaust luminosity of thedivert and attitude control thrusters. … more
Abstract:Solid-state lasers are attractive for space-based and airborne applications such as target illumination and weapons, but heat must be removed for continuous operation. Laser cooling involves three problems: (1) heat removal from the laser diode, (2) heattransport for rejection, and (3) heat… more
Abstract:Ammonia is an attractive media for storing hydrogen for fuel cells because it exceeds 17% hydrogen by weight and leaves only nitrogen after decomposition and hydrogen removal. Safety questions related to the relatively high vapor pressure of ammonia canbe alleviated if ammonia is stored on an… more
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