METHOD AND SYSTEM FOR TURBINE ENGINE TEMPERATURE REGULATION
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United States of America Patent
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May 5, 2016
app pub date -
Nov 4, 2014
filing date -
Nov 4, 2014
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Abstract
A method of starting a turbine engine using turbine temperature gradient regulation and a turbine engine temperature management system are provided. The system includes a temperature sensor, a modulating fuel flow valve, and a temperature controller. The temperature controller is configured to limit a rate of change of the fuel flow to the turbine engine to less than a predetermined maximum rate of change of the fuel flow that will reduce a rate of change of the temperature and maintain a positive rate of change of a rotational speed of the turbine engine and limit a rate of the fuel flow to greater than a predetermined minimum rate of the fuel flow that maintains a positive rate of change of temperature and a positive rate of change of the rotational speed of the turbine engine.
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