Knowledge of Mechanical Engineering

  Sun and Planetary Gearbox

  ___________________________________________________________________________________ First law of Thermodynamics for a Closed System ___________________________________________________________________________________   What is closed system? It is a thermodynamic system, in which only allows the transfer of energy. That is no mass is transferred between the system. Example of closed system: Sun rays coming to earth, Piston cylinder arrangement without valves. ___________________________________________________________________________________   Fundamental statement for first law of thermodynamics   “Energy can neither be created nor destroyed, it can just transform from one form to another form.” _______________________________________________________________________   1.      First law of Thermodynamics for closed system undergoing a thermodynamic cycle Thermodynamic cycle: - It is the set of processes arranged i...