পদ্ধতির তুলনা করুন
নির্বাচিত পদ্ধতিগুলো পাশাপাশি পর্যালোচনা করুন; যে সারিগুলোয় পার্থক্য আছে সেগুলো চিহ্নিত করা হয়।
| পেং-রবিনসন অবস্থার সমীকরণ× | PFR মডেল× | |
|---|---|---|
| ক্ষেত্র | ফলিত পদার্থবিজ্ঞান | ফলিত পদার্থবিজ্ঞান |
| পরিবার | Process / pipeline | Process / pipeline |
| উদ্ভবের বছর≠ | 1976 | 1962 |
| প্রবর্তক≠ | Ding-Yu Peng and David Bernard Robinson | Octave Levenspiel |
| ধরন≠ | Equation of state; thermodynamic property correlation | Mathematical model for plug-flow reactor |
| মৌলিক উৎস≠ | Peng, D. Y., & Robinson, D. B. (1976). A new two-constant equation of state. Industrial & Engineering Chemistry Fundamentals, 15(1), 59-64. DOI ↗ | Levenspiel, O. (1999). Chemical Reaction Engineering (3rd ed.). John Wiley & Sons. ISBN: 978-0-471-25424-9 |
| অপর নাম≠ | PR-EOS, Peng-Robinson model | ideal tubular reactor, plug-flow model, PFR |
| সম্পর্কিত≠ | 4 | 3 |
| সারসংক্ষেপ≠ | 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. | The PFR (Plug Flow Reactor) model describes the behavior of a tubular reactor in which fluid elements move through as distinct plugs with no axial mixing. Fluid at the inlet is freshly unreacted; as it travels downstream, reactions progress. This idealized model, formalized by Octave Levenspiel alongside CSTR theory, is the opposite extreme: while CSTRs are fully mixed, PFRs have no axial mixing. In practice, PFRs achieve higher conversion than CSTRs for the same residence time and are widely used in the chemical and petroleum industries. |
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