Reactor Stability, Sensibility and Mixing Effects
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Reactor Stability, Sensibility and Mixing Effects by Billy L. Crynes

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Published by American Institute of Chemical Engineers .
Written in English


  • Engineering - Chemical & Biochemical,
  • Technology & Industrial Arts

Book details:

Edition Notes

ContributionsH. S. Fogler (Editor)
The Physical Object
Number of Pages98
ID Numbers
Open LibraryOL11385521M
ISBN 100816902399
ISBN 109780816902392

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F. Strozzi, J.M. Zaldívar, A general method for assessing the thermal stability of batch chemical reactors by sensitivity calculation based on Lyapunov exponents, Chemical Engineering Science, /(94)EZ, 49, 16, (), ().Cited by: Reactor Stability Reactivity and reactor power as a function of time and various temperature feedbacks. At this point, we will discuss the reactor stability at power operation. At power operation, the neutron population is always large enough to generate heat. In fact, it is the main purpose of power reactors to generate large amount of heat. F. Strozzi, M.A. Alo´s and J.M. Zaldi´var, A method for assessing thermal stability of batch reactors by sensitivity calculation based on Lyapunov exponents: experimental verification, Chemical Engineering Science, /(94), 49, 24, (), (). Ideal Batch Reactors 12 Reactor Performance Measures 17 Piston Flow Reactors 19 Continuous Flow Stirred Tanks 24 Mixing Times and Scaleup 26 Dimensionless Variables and Numbers 31 Batch Versus Flow and Tank Versus Tube 33 Suggested Further Readings 36 Problems 37 2 Multiple Reactions in Batch Reactors

  The so-called HUARPE code was developed by Zanocco et al., a, Zanocco et al., b to study the dynamics and stability of a reactor similar to CAREM, focusing on the behaviour of self-pressurization and the influence of diverse physical phenomena on the reactor stability. HUARPE includes modelling options in the time domain and in the. Importance of Mixing. Correlations Calculating Power Consumption Other Useful Correlations Click to see a movie of a reactor mixing: References Some helpful reference books on mixing To return to Industrial Reactors Main Page. some chemical reactors and can be covered as enrichment material. C.1 a ENERGY BALANCE Material balances for reacting systems were derived in Chapter 3 and applied throughout the book. The energy balance for a continuous-flow chemical reactor is used, but not derived, in Section The reactor energy balance is derived here.   In pool-type sodium fast reactors (SFR), a large proportion of the primary coolant is comprised in two capacities called the hot- and cold-collectors where three-dimensional effects like thermal stratification or jet mixing take place (Tenchine, ).

Stenstrom, M.K. & Rosso, D. () Fundamentals of Chemical Reactor Theory 3 Fig. reactor Given its volume V, and the initial internal concentration c0, the total mass will be M = V the unit time, the concentration will be able to change only in virtue of a chemical reaction. These methods are applied to two representative systems: one having a mixing tank at the reactor inlet and the other containing a heat exchanger in the recycle line. It is shown that the presence of either of these elements does not have a deleterious effect upon the local stability and may even tend to stabilize the system under appropriate. Physical effect on reactor What happens to the neutrons? Effects on reactivity fast, positive (more neutrons available for fission) fast/slow, negative (more neutrons escape from reactor) slow negative (more neutrons captured in CRA’s) Increased steam voidage in water-cooled reactors Expansion of the reactor structure Expansion of control. Combined effects of the interactions between chemical kinetics and transport processes are simpler in adiabatic reactors than in the non-adiabatic arrangements. Mathematically, the fixed bed reactor consisting of a bed of catalyst particles can be described by two fields, viz., macro and micro fields. Due to the complex random flow.