Comparar métodos
Examine os métodos selecionados lado a lado; as linhas que diferem ficam destacadas.
| Ciclo de Brayton× | Termodinâmica de Tempo Finito× | |
|---|---|---|
| Área | Termodinâmica | Termodinâmica |
| Família | Process / pipeline | Process / pipeline |
| Ano de origem≠ | 1873 | 1996 |
| Autor original≠ | George Brayton | Adrian Bejan |
| Tipo≠ | Thermodynamic cycle | Thermodynamic optimization |
| Fonte seminal≠ | 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 |
| Outros nomes | Joule cycle, gas turbine cycle | FTT, irreversible thermodynamics |
| Relacionados | 3 | 3 |
| Resumo≠ | 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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