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Design of a high performance hydrocarbon liquid rocket engine (LRE) requires a thorough understanding of the heat transfer and cooling requirements of LRE's. An efficient cooling system is crucial in extending engine life and minimizing pumping power. Itis essential to be able to accurately calculate the thermal response to ensure that materials maintain structural integrity and the cooling chan ...

Combustion instability is one of the greatest development risks for liquid propellant engines. The risks arise in development of a stable injector design from a variety of sources - limited modelling capabilities, poor scalability and the high cost ofappropriate component test facilities. Sierra Engineering believes that much of the empirical data on the injection element's driving characteristic ...

The micro-satellite cluster is a revolutionary technology with potential to transform the way we view and deploy space-based applications. Tightly-coupled, highly autonomous satellite clusters promise enhanced mission capabilities and marked reductions inoperational costs. However, ground-based data-processing and control present obstacles to the full realization of this technology.CleverSet prop ...

Recent developments in the area of artificial neural networks have led to a totally new brand of machine intelligence that is capable of autonomously improvising and implementing cunning concepts and strategies. This revolutionary neural networktechnology, called the

Existing flight planning systems, to the extent that they optimize routes at all, optimize individual flights in isolation. Airspace, air traffic, or diplomatic constraints, among others, may preclude all flights taking their individually optimal routes,however. Planners must then manually reroute some flights. This effort will apply OTS' strengths in flight planning and optimization to develop ...

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 demonstrate its potential is primarily a design process. Design of emissive and virtual retinal devic ...

The Helikite Elevated Platform ? Test Relay (HEP-TR) consists of a communications relay payload suspended from a new type of small tethered blimp, called a Helikite, and a Carrier that stores the Helikite and the winch, sensors and helium tanks. TheHEP-TR blimp can be flown at several thousand feet altitude for low cost, long term test communications relay coverage of large areas. It is highly m ...

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 withstand harsh operating environments. OptiComp Corporation occupies a 7,000 square foot facility, wh ...

The proposed semiconductor-insulator-semiconductor (SIS) is herein defined as a structure consisting of two semiconductor layers separated by an insulator. PTS proposes such a SIS structure as a latching on/off switch consisting of widebandgap (WBG)semiconductors as cathodes and anodes. The cathode will be designed as an efficient electron gun or cathode. The anode will be designed as both an effi ...

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 photodetectors with on-chip multiplexing/demultiplexing. These high-speed interconnects are realized ...