CFD simulation of homogenisation time measured by radiotracers

• Autorzy: Thýn J. , Nový M. , Moštĕk M. , Žitný R. , Jahoda M.
• Języki publikacji: EN

Abstrakty

EN

A methodology for CFD (Computational Fluid Dynamics) simulation of radiotracer experiments was suggested. The most important parts of the methodology for validation of CFD results by radiotracers are: a) successful simulation of tracer experiment by CFD code (numerical solution of tracer dispersion in a stirred tank), which results in tracer concentration field at several time intervals; b) post-process data treatment, which uses detection chain description and which enables to simulate the detector measurement of homogenisation time from the tracer concentration field evaluated

• Wydawca: Institute of Nuclear Chemistry and Technology
• Czasopismo: Nukleonika
• Rocznik: 2005
• Tom: Vol. 50, nr 1
• Strony: 9--16
• Opis fizyczny: Bibliogr. 16 poz., rys.

Twórcy

autor

Thýn J.

• Process Engineering Department, Czech Technical University, 4 Technicka Str., 166 07 Prague 6, Czech Republic, Tel.: [phone], Fax: [phone]

autor

Nový M.

• Process Engineering Department, Czech Technical University, 4 Technicka Str., 166 07 Prague 6, Czech Republic, Tel.: [phone], Fax: [phone]

autor

Moštĕk M.

• Department of Chemical Engineering, Prague Institute of Chemical Technology, 3 Technicka Str., 166 28 Prague 6, Czech Republic

autor

Žitný R.

• Process Engineering Department, Czech Technical University, 4 Technicka Str., 166 07 Prague 6, Czech Republic, Tel.: [phone], Fax: [phone]

autor

Jahoda M.

• Department of Chemical Engineering, Prague Institute of Chemical Technology, 3 Technicka Str., 166 28 Prague 6, Czech Republic

Bibliografia

• 1. Bujalski JM, Jaworski Z, Bujalski W, Nienow AW (2002) The influence of addition position of a tracer on CFD simulated mixing times in a vessel agitated by a Rushton turbine. In: Proc of the Conf on Fluid Mixing 7, 10−11 July 2002, Bradford, United Kingdom.
• 2. Cooper RG, Wolf D (1968) Velocity profiles and pumping capacities for turbine type impellers. Can J Chem Eng 41:94−100.
• 3. Cutter LA (1966) Flow and turbulence in a stirred tank. AICHE J 12:35−44.
• 4. Drbohlav J, Fort I, Maca K, Placek J (1978) Turbulent characteristic of discharge flow from the turbine impeller. Coll Czech Chem Commun 43:3148−3162.
• 5. FLUENT 6.1 (2003) User’s guide. Fluent Inc., Lebanon.
• 6. Kresta SM, Wood PE (1991) Prediction of the three-dimensional turbulent flow in stirred tanks. AICHE J 37:448−460.
• 7. Lunden M, Stenberg O, Andersson B (1995) Evaluation of a method for measuring mixing time using numerical simulation and experimental data. Chem Eng Commun 139:115−136.
• 8. Ranade VV, Joshi JB (1990) Flow generated by disc turbine: Part I. Experimental. Trans IChem E 68A:19−33.
• 9. Ranade VV, Joshi JB (1990) Flow generated by disc turbine: Part II. Mathematical modelling and comparison with experimental data. Trans IChem E 68A:34−50.
• 10. Thýn J, Novák V, Pock P (1976) Effect of the measured volume size on the homogenization time. Chem Eng J 12:211−217.
• 11. Thýn J, Žitný R (2002) Analysis and diagnostics of industrial process by radiotracers and radioisotope sealed sources. Vol. 2. Vydavatelství ČVUT, Prague.
• 12. Thýn J, Žitný R (2004) Radiotracer applications for the analysis of complex flow structure in industrial appar-atuses. Nucl Instrum Meth B 213:339−347.
• 13. Thýn J, Žitný R, Klusoň J, Čechák T (2000) Analysis and diagnostics of industrial process by radiotracers and radio-isotope sealed sources. Vol. 1. Vydavatelství ČVUT, Prague.
• 14. Tola F (1996) Ecrin code Monte-Carlo. Report CEA/DTA/DAMRI/SAR/t40.
• 15. Van der Molen K, Van Maanen HRE (1978) Laser-Doppler measurements of the turbulent flow in stirred vessels to establish scaling rules. Chem Eng Sci 33:1161−1168.
• 16. Zienkiewicz OC, Taylor RL (2000) The finite element method. Vol. 1, 5th ed. Butterworth-Heinemann, Oxford.