方法对比
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| 集总电容法× | 热阻网络× | |
|---|---|---|
| 领域 | 热力学 | 热力学 |
| 方法族 | Process / pipeline | Process / pipeline |
| 起源年份≠ | 1959 | 1985 |
| 提出者≠ | Harry Carslaw and John Jaeger | Frank Incropera and David DeWitt |
| 类型≠ | Heat transfer analysis | Heat transfer network analysis |
| 开创性文献≠ | Carslaw, H. S., & Jaeger, J. C. (1959). Conduction of Heat in Solids. Oxford University Press. ISBN: 978-0198533689 | Incropera, F. P., DeWitt, D. P., Bergman, T. L., & Lavine, A. S. (2007). Fundamentals of Heat and Mass Transfer (6th ed.). Wiley. ISBN: 978-0470055540 |
| 别名 | lumped mass analysis, lumped system analysis | thermal circuit analogy, thermal network |
| 相关 | 3 | 3 |
| 摘要≠ | The Lumped Capacitance Method is a simplification technique for solving unsteady-state heat transfer problems. It assumes that thermal properties are uniform throughout a solid body and that temperature variations within the object are negligible. This approach enables engineers to solve complex transient heat conduction problems using ordinary differential equations rather than partial differential equations. | The Thermal Resistance Network method uses electrical circuit analogy to solve heat transfer problems. It treats heat flow as analogous to electric current, thermal resistance analogous to electrical resistance, and temperature difference analogous to voltage potential. This powerful conceptual framework enables engineers to analyze complex multi-layer heat transfer systems systematically. |
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