Complex sentence: The thermodynamics of a typical air-breathing jet engine are modeled approximately by a Brayton Cycle which is a thermodynamic cycle that describes the workings of the gas turbine engine, basis of the airbreathing jet engine and others.
Split into simpler sentences: The thermodynamics of a typical air-breathing jet engine are modeled approximately by a Brayton Cycle. The Brayton cycle is a thermodynamic cycle that describes the workings of the gas turbine engine, basis of the jet engine and others.