ScholarGate
دستیار

مقایسهٔ روش‌ها

روش‌های انتخابی خود را کنار هم مرور کنید؛ ردیف‌های متفاوت برجسته شده‌اند.

مدل راکتور جریان مسدودی (PFR)×تحلیل پینچ×
حوزهفیزیک کاربردیفیزیک کاربردی
خانوادهProcess / pipelineProcess / pipeline
سال پیدایش19621978
پدیدآورOctave LevenspielBodo Linnhoff, John Flower
نوعMathematical model for plug-flow reactorThermal design and optimization method
منبع بنیادینLevenspiel, O. (1999). Chemical Reaction Engineering (3rd ed.). John Wiley & Sons. ISBN: 978-0-471-25424-9Linnhoff, B., & Flower, J. R. (1978). Synthesis of heat exchanger networks: I. Systematic generation of energy optimal networks. AIChE Journal, 24(4), 633-642. DOI ↗
نام‌های دیگرideal tubular reactor, plug-flow model, PFRheat integration, pinch point method, process integration
مرتبط34
خلاصهThe 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.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.
ScholarGateمجموعه‌داده
  1. v1
  2. 3 منابع
  3. PUBLISHED
  1. v1
  2. 3 منابع
  3. PUBLISHED

رفتن به جست‌وجو دریافت اسلایدها

ScholarGateمقایسهٔ روش‌ها: PFR Model · Pinch Analysis. بازیابی‌شده در 2026-06-19 از https://scholargate.app/fa/compare