Assessment of gas temperature fluctuations in the GTE combustion chamber exit section at generalizing experimental data on fuel combustion efficiency

Abstract

It is suggested that gas composition at every point of the combustion chamber exit section be characterized by the temperature values T i (“ideal” temperature) corresponding to the local values of the air-to-fuel coefficient α i under complete fuel combustion (ν comb ≈ 1). It is assumed that the values of T i are distributed over the exit section area (gas mass) linearly and the values of T imax and T imin can be determined by the experimental data on the gas temperature fields in the combustion chambers. The distribution of temperatures T i is used when it is necessary to generalize the experimental data on fuel combustion efficiency in GTE combustion chambers.