Reduced thermal stress turbine starting strategy

Details Reduced thermal stress turbine starting strategy Reduced thermal stress turbine starting strategy

1991-10-08

1993-05-25

Casaregola, Louis J.

Power plants

Combustion products used as motive fluid

Different fluids

60 39281, F02C 928

Patent

active

052129438

ABSTRACT:
A gas turbine engine starting strategy is disclosed which minimizes thermal stress utilizing a total fuel demand based on summing two components. The first component is a prescheduled quantity of fuel near the low limit of predicted fuel requirements as a function of turbine spool rotational speed. The second component is dynamically determined based on a comparison of turbine spool rotational acceleration with stored rotational acceleration values at different turbine spool rotational speeds.

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