Сравнение методов
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| Пинч-анализ× | Уравнение состояния Пенга-Робинсона× | |
|---|---|---|
| Область | Прикладная физика | Прикладная физика |
| Семейство | Process / pipeline | Process / pipeline |
| Год появления≠ | 1978 | 1976 |
| Автор метода≠ | Bodo Linnhoff, John Flower | Ding-Yu Peng and David Bernard Robinson |
| Тип≠ | Thermal design and optimization method | Equation of state; thermodynamic property correlation |
| Основополагающий источник≠ | Linnhoff, B., & Flower, J. R. (1978). Synthesis of heat exchanger networks: I. Systematic generation of energy optimal networks. AIChE Journal, 24(4), 633-642. DOI ↗ | Peng, D. Y., & Robinson, D. B. (1976). A new two-constant equation of state. Industrial & Engineering Chemistry Fundamentals, 15(1), 59-64. DOI ↗ |
| Другие названия≠ | heat integration, pinch point method, process integration | PR-EOS, Peng-Robinson model |
| Связанные | 4 | 4 |
| Сводка≠ | Pinch analysis is a systematic method for identifying the minimum energy requirements and optimal heat recovery opportunities in chemical processes. Developed by Bodo Linnhoff and John Flower in 1978, it graphically identifies the 'pinch point'—the most constrained part of the process where heating and cooling demands nearly balance. By targeting these bottlenecks, engineers can design energy-efficient heat exchanger networks and reduce operating costs dramatically. | The Peng-Robinson equation of state is a cubic model that describes the thermodynamic properties of pure fluids and mixtures. Introduced by Ding-Yu Peng and David Bernard Robinson in 1976, it improves upon earlier models (van der Waals, Redlich-Kwong) by better predicting compressibility factors and phase equilibria, especially near the critical point. It is widely used in petroleum engineering, chemical process design, and natural gas calculations. |
| ScholarGateНабор данных ↗ |
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