u 1 indicates the entire system of the main fuel valve and u 2 is the whole illustration of the pilot fuel valve. The main gas supply is the source for both systems as it goes to the main and pilot fuel manifold. The fuel flow from both valves is transferred to the gas injector and the mixture flows to the gas fuel engine. A relief valve also installed in the loop to prevent overpressure. From the representation, it can be justified that both valves are working parallel to each other for the ignition. The actual implementation of the available information to produce a DLE gas turbine fuel system is further explained in the Methodology Section.

Methodology