Multi-ITB-Turbo Fan for Advanced Propulsion and Power Concepts for Large Size Class Unmanned Aerial Systems (UAS), Equipped with Variable Turbine
Small Business Information
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AbstractABSTRACT: There is an urgent Air Force need for an advanced cycle turbo-fan for UAV applications. Spytek Aerospace proposes a 2-ITB, 500 LBT turbo-fan engine equipped with ITB driven fan capable of running a generator, thru a second ITB in variable modes for additional power on demand and at high altitude. Northrop Grumman has indicated significant interest for a flexible high performance, turbo-fan for possible use on to be specified programs capable of generating power at high altitude. The Spytek configuration would provide a power demand capability of 30% over engine baseline. Spytek"s FI-304/ITB engine, equipped with variable burner flow control and variable turbine, addresses issues of power on demand generation at high altitude using the ITB coupled with selective flow control . High power density ITB equipped gas turbine engines are capable of providing power on demand using an additional combustor between HP and LP turbine stages. The key advantages of an ITB equipped gas turbine engine include ITB operations with capability to vary T4.5 allow for constant speed to be maintained over a wide range of power. The complete hybrid capable, multi-ITB turbo-fan has specific design features for optimizing use at high altitude, which are currently not available through other manufacturers. BENEFIT: The ITB-Turbo Fan concept will provide a higher density gas turbine engine capable of hybrid operations by being able to generate significant electric power and operate with increased power at high and low altitudes.
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