Your second task would be to explore the relative performance for each of the four major types of turbine engines given below. This means calculating performance parameters such as specific thrust, fuel to gir ratio, propulsive efficiency, thermol efficiency, overall efficiency, propeller efficiency. TSFC or SFC etc. (where applicable) for each of the given gas turbine engines and commenting on their relative performance. Please note the folowing assumptions: 1) Assume all processes to be ideal, unless otherwise stated. 2) Assume constant values of (y, Cp) [y = 1.4 and Cp 1.005 kJ/kg K: R 287 J/kg K). %3D

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Strain energy

The term strain indicates the variation in an object's length, area, and volume when the object is subjected to an external force. The external force may be of normal, shear, moment, torque, etc. The strain in an object depends on the types of external force and cross-section of the object. Mathematically, the evaluation of strain can be obtained with the help of elastic constants.