THERMAL TRANSPORT BUS CAPACITY FOR A THERMAL TRANSPORT BUS IN A TURBOFAN ENGINE
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United States of America Patent
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Issued Date -
Jan 4, 2024
app pub date -
Jun 30, 2022
filing date -
Jun 30, 2022
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Abstract
A turbofan engine includes a fan, a core turbine engine, and a thermal management system. The thermal management system has a thermal transport bus along which a working fluid is movable, one or more heat-source heat exchangers positioned along the thermal transport bus, and one or more heat-sink heat exchangers arranged in fluid communication with the one or more heat-source heat exchangers via the thermal transport bus. The thermal transport bus has a thermal transport bus capacity determined by multiplying a propulsive effectiveness factor associated with the turbofan engine by a heat load factor associated with the thermal transport bus. The thermal transport bus capacity is between 0.07 and 33.65 for an overall inlet temperature of the working fluid at an overall inlet of the one or more heat-source heat exchangers being between 31 and 200 degrees Celsius and the propulsive effectiveness factor being between 0.52 and 1.37.
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