The main aim of this work is devoted to numerical study of temperature distribution
effects on the distortion of the compressors casing and consequently the fracture of these
blades using ANSYS software. The gas turbine operation history shows that the most
fractures occur at the beginning of the cold seasons which may corroborate the probability
that the compressor casing distortion due to the non-uniform temperature distribution,
can lead to touch the blades tip section with the casing and their failures. Results show
that the temperature distribution on the compressors casing is non-uniform at the cold
season and this causes distortion on the casing. The casing distortion reduces clearance
between first-row blades and compressor casing. Hence, it is concluded to modify the
cooling procedure to prevent the occurrence of such a harmful problem.