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The Brayton cycle, also known as the Joule cycle, is a thermodynamic cycle that describes the operation of certain heat engines that have air or some other gas as their working fluid. It is characterized by isentropic compression and expansion, and isobaric heat addition and rejection, though practical engines have adiabatic rather than ...
English: T-S diagram for a Brayton Cycle. Solid line shows an ideal cycle, dotted line a real one. 1) compressor inlet 2) compressor outlet 3) turbine inlet 4) turbine outlet C) compressor B) combustion chamber T) turbine
English: Brayton-Joule cycle diagram (continuous line for ideal cycle, dotted line for real cycle) of a jet aircraft engine with afterburner with engine stations. 1 Inlet 2 Air Intake/Compressor 3 Compressor/Combustion Chamber 4 Combustion Chamber/Turbine 5 Turbine/Afterburner 6 Afterburner/Nozzle 7 Exhaust
The basic scheme of the IBC and temperature-enthalpy diagram are presented in figures 1 and 2. [4] For external heat sources or high temperature storage systems, the closed process design of the inverted Brayton Cycle is also possible. The overall efficiency can thus be significantly increased. [5]
T–s (entropy vs. temperature) diagram of an isentropic process, which is a vertical line segment. ... Ideal Brayton cycle: 3→4: Isentropic expansion in a turbine:
The most common refrigeration cycle is the vapor compression cycle, which models systems using refrigerants that change phase. The absorption refrigeration cycle is an alternative that absorbs the refrigerant in a liquid solution rather than evaporating it. Gas refrigeration cycles include the reversed Brayton cycle and the Hampson–Linde cycle.
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Working fluids are often categorized on the basis of the shape of their T–s diagram. An isentropic process is depicted as a vertical line on a T–s diagram, whereas an isothermal process is a horizontal line. [2] Example T–s diagram for a thermodynamic cycle taking place between a hot reservoir (T H) and a cold reservoir (T C).