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Meeting	ACGS Committee Meeting 114 - Cleveland, Ohio - October 2014
Agenda Location	10 SUBCOMMITTEE D – DYNAMICS, COMPUTATIONS, AND ANALYSIS 10.3 Rapid Mission Planning for Aircraft Thermal Management
Title	Rapid Mission Planning for Aircraft Thermal Management
Presenter	Dave Doman
Affiliation	AFRL
Available Downloads*	presentation
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Abstract	The presentation covers three distinct contributions to the solution of aircraft thermal management problems. The first contribution is a method for converting thermal management boundary value problems that arise in mission planning into an algebraic root finding problem that can be used to optimize control strategies for maximizing mission performance. The second contribution is a solution to the problem of the determining the cruise condition that maximizes either thermal endurance or range for a jet aircraft. Traditional controlled variables from the six degree of freedom aircraft equations of motion become continuous control inputs to the thermal system. This result eliminates the need for an iterative numerical search for optimal cruise altitude and Mach number when constructing thermal management mission plans. Finally a fuel flow topology and controller is presented blends fuel from a reservoir and recirculation tank to boost internal energy disposal rate in order to extend aircraft thermal endurance when compared to a conventional topology where recirculated fuel mixes freely with all onboard fuel.