Patent ID: 9249737
Filing Date: 2016-02-02
CPC Classification: F02C,F05D,Y02T

Claim Text:
1. A method of facilitating combustion of a gaseous fuel in a gas turbine combustion section of a gas turbine, said method comprising: extracting a portion of the gaseous fuel prior to the gaseous fuel being supplied to the gas turbine; supplying the extracted portion of the gaseous fuel to a sensor apparatus comprising a reference combustion chamber; combusting a fuel-air mixture in the reference combustion chamber to yield at least one combustion product; measuring at least one property of the at least one combustion product using at least one optical diagnostic sensor apparatus; determining the Wobbe index of the fuel in real-time based on the measured at least one property of the at least one combustion product; controlling the combustion in the gas turbine based on the determined Wobbe index.