Non-Equilibrium Thermodynamic Issues Related to On-Demand Systems

Spakovsky, Michael R. von; Riggins, David W.; Marley, Christopher D.

doi:10.2514/6.2010-289

Cited by 3 publications

(1 citation statement)

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“…For this reason, research is now increasingly being conducted in time-accurate dynamical simulations of fuel temperature throughout entire aircraft missions. 13,14 This paper describes a simple quasi-steady heat transfer model based on a canonical fuel thermal system architecture. The model presumes steady time-average heat transfer during a mission segment and is integrated to obtain the end-of-segment fuel temperature.…”

Section: Introductionmentioning

confidence: 99%

Tank Heating Model for Aircraft Fuel Thermal Systems with Recirculation

German

2012

Journal of Propulsion and Power

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Fuel thermal management has become an important consideration in the design and operation of modern high performance aircraft. In many cases, fuel is a primary heat sink for thermal loads associated with the cooling of the airframe as well as propulsion, electronic, actuator, and payload systems. It is now common for thermal systems to recirculate warm fuel to the tanks, resulting in a rise in temperature in the mission fuel mass. In this paper, a model is presented that integrates heat transfer during mission segments to determine the thermal endurance of an aircraft in terms of fuel tank temperature. The model is intended for early-phase trade studies to determine whether a proposed vehicle will be restricted in operational performance by tank temperature limits.

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Section: Introductionmentioning

confidence: 99%