(5) Low calorific value of fuel Qdw= 41868 kJ/kg, chemical reaction entropy As 3.3494 kJ/kg.K. Suppose the fuel and air are both not be preheated. Determine the exergy loss of the combustion process. Suppose, To=293.15 K, the amount of combustion products (flue gas) is 14.5 Nm'/kg fuel, c,=1.5491 kJ/Nm'.K. I Fuel Burner Es Flue gas Air

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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.