Сравнение методов
Просматривайте выбранные методы рядом; строки с различиями подсвечены.
| Метод сосредоточенной ёмкости× | Метод эффективности-NTU× | |
|---|---|---|
| Область | Термодинамика | Термодинамика |
| Семейство | Process / pipeline | Process / pipeline |
| Год появления≠ | 1959 | 1984 |
| Автор метода≠ | Harry Carslaw and John Jaeger | William Kays and Alvin London |
| Тип≠ | Heat transfer analysis | Heat transfer correlation |
| Основополагающий источник≠ | Carslaw, H. S., & Jaeger, J. C. (1959). Conduction of Heat in Solids. Oxford University Press. ISBN: 978-0198533689 | Kays, W. M., & London, A. L. (1984). Compact Heat Exchangers (3rd ed.). McGraw-Hill. ISBN: 978-0070334007 |
| Другие названия | lumped mass analysis, lumped system analysis | epsilon-NTU method, effectiveness method |
| Связанные | 3 | 3 |
| Сводка≠ | 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 Effectiveness-NTU method is an alternative approach to heat exchanger analysis that measures thermal performance relative to the theoretical maximum possible heat transfer. It is particularly powerful for design problems where outlet temperatures are unknown. The method uses effectiveness (ratio of actual to maximum possible heat transfer) and NTU (Number of Transfer Units, a dimensionless parameter related to overall heat transfer area) to characterize heat exchanger performance. |
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