Combustor of a Turbine, a Method of Retro-Fitting a Combustor of a Turbine and a Method of Building a Combustor of a Turbine

A method of fitting a combustor of a turbine, including a fuel combustion chamber, and a casing perimetrically surrounding the combustion chamber and defining an airflow from which dilution air is supplied to the combustion chamber via a dilution breach, the method comprising:

• measuring a fuel combustion characteristic;
• determining that an available amount of the dilution air to be supplied to the combustion chamber is below a predetermined threshold based on the measured fuel combustion characteristic;
• and
• installing a dilution airflow tuning part onto the casing and in communication with the airflow so as to increase and/or decrease an available amount of the dilution air to be supplied to the combustion chamber.

A method of providing a combustor of a turbine comprising:

• forming a fuel combustion chamber;
• forming a dilution breach along an exterior of the combustion chamber;
• perimetrically surrounding the combustion chamber with a casing to define an airflow between the casing and the combustion chamber, the airflow being configured to supply dilution air to the combustion chamber via the dilution breach;
• and
• installing a dilution airflow tuning part onto the casing and in communication with the airflow to thereby be positioned to increase and/or decrease an available amount of the dilution air to be supplied to the combustion chamber.