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| Brayton Cycle× | Θερμοδυναμική Πεπερασμένου Χρόνου× | |
|---|---|---|
| Πεδίο | Θερμοδυναμική | Θερμοδυναμική |
| Οικογένεια | Process / pipeline | Process / pipeline |
| Έτος προέλευσης≠ | 1873 | 1996 |
| Δημιουργός≠ | George Brayton | Adrian Bejan |
| Τύπος≠ | Thermodynamic cycle | Thermodynamic optimization |
| Θεμελιώδης πηγή≠ | Moran, M. J., Shapiro, H. N., Boettner, D. D., & Bailey, M. B. (2014). Fundamentals of Engineering Thermodynamics (8th ed.). Wiley. ISBN: 978-1118412947 | Bejan, A. (1996). Entropy Generation Minimization. CRC Press. ISBN: 978-0849394515 |
| Εναλλακτικές ονομασίες | Joule cycle, gas turbine cycle | FTT, irreversible thermodynamics |
| Συναφείς | 3 | 3 |
| Σύνοψη≠ | The Brayton Cycle (also called Joule Cycle) describes the thermodynamic process in gas turbines and jet engines. It consists of four processes: isentropic compression in a compressor, isobaric combustion (heat addition), isentropic expansion in a turbine, and isobaric heat rejection. The Brayton Cycle is the foundation for analyzing aircraft propulsion, ground-based power generation, and simple-cycle gas turbine plants. | Finite-Time Thermodynamics (FTT) relaxes the classical assumption that thermodynamic processes occur reversibly (infinitely slowly). Instead, it analyzes real thermal systems operating at finite rates with irreversibilities. FTT reveals fundamental trade-offs: to complete a process quickly requires accepting large irreversibilities and low efficiency, while slow operation achieves high efficiency but requires impractical time and cost. |
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