Patent ID: 8297835
Filing Date: 2012-10-30
Classification: F01D,F04D,F05D,G01K

Abstract:
1. A method for monitoring cessation of a fluid flow of a gas turbine compressor, comprising: arranging a fiber-optic Bragg lattice sensor in the compressor fluid flow to monitor the temperature of the fluid flow to be compressed; sensing a temperature of the fluid flow to be compressed via the Bragg sensor; transmitting a signal of the Bragg sensor to a processing unit where the transmitted signal represents a temperature measurement value of the compressor fluid flow; analyzing the transmitted signal by the processing unit to determine a temperature rise from the temperature sensed by the Bragg sensor; and determining, by the processing unit, if an increase in temperature of the compressor fluid flow has occurred over a time period indicative that a flow cessation is imminent.