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| 对数平均温差× | 兰金循环× | |
|---|---|---|
| 领域 | 热力学 | 热力学 |
| 方法族 | Process / pipeline | Process / pipeline |
| 起源年份≠ | 1950 | 1859 |
| 提出者≠ | Donald Kern | William John Macquorn Rankine |
| 类型≠ | Heat transfer correlation | Thermodynamic cycle |
| 开创性文献≠ | Kern, D. Q. (1950). Process Heat Transfer. McGraw-Hill. link ↗ | Smith, J. M., Van Ness, H. C., & Abbott, M. M. (2005). Introduction to Chemical Engineering Thermodynamics (7th ed.). McGraw-Hill. ISBN: 978-0071247009 |
| 别名≠ | LMTD, logarithmic mean temperature difference | Clausius-Rankine cycle, steam cycle, vapor power cycle |
| 相关 | 3 | 3 |
| 摘要≠ | The Log Mean Temperature Difference (LMTD) method is a fundamental tool for calculating heat transfer rates in heat exchangers. It defines the effective temperature difference between two fluids as the logarithmic average of the temperature differences at the inlet and outlet. This method enables engineers to size and analyze heat exchangers systematically using the basic heat transfer equation Q = U A LMTD. | The Rankine Cycle is the fundamental thermodynamic cycle for steam power plants. It describes how thermal energy from burning fuel or concentrated solar radiation is converted to mechanical work and ultimately electricity. The cycle consists of four processes: isobaric heat addition in the boiler, isentropic expansion through the turbine, isobaric heat rejection in the condenser, and isentropic compression by the pump. |
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