New scientific results of my dissertation can be summarized hereinafter:
1. I developed a population balance equation model for the analysis and modeling of the heat transfer processes of perfectly mixed particle-fluid systems, which allows us to describe particle-particle, particle-wall, wall-gas, particle-gas and wall-environment heat transfer processes.
1.1. By applying the description given by Lakatos and coauthors (2004; 2006), I specified the activity and conversion functions describing heat transfer processes. These functions are fundamentals of the mathematical model and essential tools of the examination of heat transfer processes with population balance equation.
1.2. Among other important process segments of the general population balance equation I developed the mathematical description of the particle-wall and particle-gas heat transfer, which allows to analyze the heat transfer processes between the components under consideration.
1.3. I complemented the balance equation system with the connections of gas and environment. This way, I got a mathematical model which is able to describe decisive heat transfer processes of particle-fluid systems.
Additionally with the help of this model, it is possible to analyze the heat properties of the components of particle-fluid systems.
[P2], [P4], [P12]
2. With the momentum method, I defined the momentum-equations describing the full heat transfer process of the particle-fluid systems. I analyzed the
system's properties by means of these equations in addition to the developed computational algorithm.
2.1. With the use of the momentum method I specified a closed hierarchy of ordinary differential equations for computing the momentum of particle-fluid systems. I generalized the previous results of Lakatos and coauthors (2004; 2006) by the analysis of other (particle-wall, particle-gas, gas-wall and wall-environment) heat transfer processes apart from the particle-particle heat transfer processes.
2.2. With the developed computational algorithm, I solved and with simulation I analyzed the properties of the specified mathematical model and hereby the particle-fluid system. I defined the results of the momentum equation system derived from the population balance equation, which describe the main heat properties of a perfectly mixed particle-fluid system.
[P2], [P4], [P11], [P12]
3. With the help of a cells-in-series model, I extended the constructed population model for the spatial heat distribution analysis of the particles, furthermore I specified the momentum equations of this modeling approach.
3.1. I introduced the elements of the general cells-in-series model for particle-fluid system modeling, and analyzed its properties with computational simulation. I have showed that the introduced cellular model is an adequate tool for modeling the one-dimensional heat distribution of the particles.
3.2. I specified a cells-in-series model for the analysis of the turbulent fludization and I examined its properties in particle-fluid systems with computational simulation.
3.3. I applied the cells-in-series models constructed on the basis of the population balance equation for the modeling of heat exchanger systems.
My results indicate the heat transfer properties of the heat exchanger systems in case of a counter-current liquid phase.
3.4. I have compared the results of the mathematical model for describing heat exchanger systems and the results of the momentum equation model derived from it with the results of the real life experiments (Rodriguez et al., 2002;
Pécora et al., 2006) published in literature. This comparison proves the applicability of modeling with population balance equation and the constructed model.
[P1], [P2], [P4], [P5], [P6], [P7]
4. I developed an axial dispersion/population balance model for the description of the heat transfer processes of turbulent fluidization.
4.1. I specified an axial dispersion/population model for modeling and analyzing the heat transfer processes of turbulent fluidization. By means of the model I described and analyzed the heat distribution of the different components of the particle-fluid system along the axial coordinate: namely the average temperature of the particles in addition to the heat properties of the gas, the wall and the environment.
4.2. I introduced the dimensionless variables and parameters, and by applying the momentum method I transformed the constructed balance equations into momentum equations. I solved this partial differential equation system with the developed computational program support.
4.3. I have analyzed the properties of the axial dispersion/population balance equation with computational simulation, furthermore I have showed the decisive role of the particle heat transfer properties of the particle-fluid systems.
[P1], [P3], [P8]
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Süle, Z., Lakatos, B.G., Mihálykó, Cs.: Modelling of Heat Transfer Processes with Compartment/Population Balance Model, Proc. CD of 6th Vienna Conference on Mathematical Modelling - MATHMOD09, Full Papers CD Volume, Bécs, Ausztria, (2009b), 1602-1611.
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Süle, Z., Mihálykó, Cs., Lakatos, B.G.: Population Balance Model of Heat Transfer in Gas-Solid Turbulent Fluidization, Proc. CD of 17th European Symposium on Computer Aided Process Engineering - ESCAPE17, Computer-Aided Chemical Engineering, Bukarest, Románia, 24 (2007a)
Süle, Z., Mihálykó, Cs., Lakatos, B.G.: Population Balance Model of Ga--Solid Fluidized Bed Heat Exchangers, Proc. of XIX Polish Conference of Chemical and Process Engineering, Rzeszów, Lengyelország, (2007b), 199-202.
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Saját publikációk
Az értekezés témájából született publikációk listája
Lektorált, nemzetközi folyóiratban megjelent publikációk
[P1] Süle, Z., Mihálykó, Cs., Lakatos, B.G.: Population Balance Model of Gas-Solid Fluidized Bed Heat Exchangers
Chemical and Process Engineering, 29, (2008), 201-213., IF=0.115
[P2] Lakatos, B.G., Süle, Z., Mihálykó, Cs.: Population Balance Model of Heat Transfer in Gas-Solid Particulate Systems
International Journal of Heat and Mass Transfer, 51, (2008), 1633-1645., IF=1.500
[P3] Süle, Z., Lakatos, B.G., Mihálykó, Cs.: Axial Dispersion/Population Balance Model of Heat Transfer in Turbulent Fluidization
Computers and Chemical Engineering (publikálásra elküldve)
Konferenciakiadványban megjelent publikációk
[P4] Süle, Z., Mihálykó, Cs., Lakatos, B.G.: Modeling of Heat Transfer Process in Particulate Systems
Proc. of 16th European Symposium on Computer Aided Process Engineering - ESCAPE16, Computer-Aided Chemical Engineering, Garmisch-Partenkirchen, Németország, 21A, (2006), 589-594.
[P5] Süle, Z., Mihálykó, Cs., Lakatos, B.G.: Population Balance Model of Gas-Solid Fluidized Bed Heat Exchangers
Proc. of XIX Polish Conference of Chemical and Process Engineering, Rzeszów, Lengyelország, (2007), 199-202.
[P6] Süle, Z., Mihálykó, Cs., Lakatos, B.G.: Population Balance Model of Heat Transfer in Gas-Solid Turbulent Fluidization
Proc. CD of 17th European Symposium on Computer Aided Process Engineering - ESCAPE17, Computer-Aided Chemical Engineering, Bukarest, Románia, 24, (2007)
[P7] Süle, Z., Lakatos, B.G., Mihálykó, Cs.: Modelling of Heat Transfer Processes with Compartment/Population Balance Model
Proc. CD of 6th Vienna Conference on Mathematical Modelling - MATHMOD09, Full Papers CD Volume, Bécs, Ausztria, (2009), 1602-1611.
[P8] Süle, Z., Lakatos, B.G., Mihálykó, Cs.: Axial Dispersion/Population Balance Model of Heat Transfer in Gas-Solid Turbulent Fluidization
Proc. 19th European Symposium on Computer Aided Process Engineering - ESCAPE19, Computer-Aided Chemical Engineering, Krakkó, Lengyelország, 26, (2009), 719-724.
[P9] Blickle, T., Mihálykó, Cs., Süle, Z., Lakatos, B.G.: Hőátadási modellek összehasonlító vizsgálat
a Műszaki Kémiai Napok'04 konferencia kiadványa, Veszprém, (2004), 335-338.
[P10] Mihálykó, Cs., Lakatos, B.G., Süle, Z., Blickle, T.: Szilárd-fluidum rendszer hőátadási folyamatainak elemzése momentumok segítségével I. Kvalitatív vizsgálat
a Műszaki Kémiai Napok'04 konferencia kiadványa, Veszprém, (2004), 339-342.
[P11] Süle, Z., Mihálykó, Cs., Lakatos, B.G., Blickle, T.: Szilárd-fluidum rendszer hőátadási folyamatainak elemzése momentumok segítségével II. Kvantitatív vizsgálat
a Műszaki Kémiai Napok'04 konferencia kiadványa, Veszprém, (2004), 343-346.
[P12] Süle, Z.: Modelling of Heat Transfer Processes in Particulate Systems Proc. of the 3rd PhD Mini-Symposium, Veszprém, (2005), 52-54.
[P13] Süle, Z., Mihálykó, Cs., Lakatos, B.G., Mizonov, V.: Szemcsés rendszerek hőátadási folyamatainak modellezése
a Műszaki Kémiai Napok'05 konferencia kiadványa, Veszprém, (2005),
190-[P14] Süle, Z.: Modelling of Heat Transfer Processes in Fluidized Bed Heat Exchangers
Proc. of the 4th PhD Mini-Symposium, Veszprém, (2006), 40-42.
[P15] Süle, Z., Mihálykó, Cs., Lakatos, B.G.: Fluidizált rétegű hőcserélő rendszerek hőátadási folyamatainak modellezése
a Műszaki Kémiai Napok'06 konferencia kiadványa, Veszprém, (2006), 53-56.
[P16] Süle, Z., Effect of Solid Particles on the Heat Transfer Efficiency of Heat Exchangers
Proc. of the 5th PhD Mini-Symposium, Veszprém, (2007), 31-33.
Az értekezés témájában elhangzott tudományos előadások listája
1. Mihálykó, Cs., Süle, Z., Lakatos, B.G.: Hőátadási modellek összehasonlító vizsgálata
Műszaki Kémiai Napok'04 Konferencia, Veszprém, 2004. április, szóbeli szekcióelőadás
2. Mihálykó, Cs., Lakatos, B.G., Süle, Z., Blickle, T.: Szilárd-fluidum rendszer hőátadási folyamatainak elemzése momentumok segítségével I. Kvalitatív vizsgálat
Műszaki Kémiai Napok'04 Konferencia, Veszprém, 2004. április, szóbeli szekcióelőadás
3. Süle, Z., Mihálykó, Cs., Lakatos, B.G., Blickle, T.: Szilárd-fluidum rendszer hőátadási folyamatainak elemzése momentumok segítségével II. Kvantitatív vizsgálat
Műszaki Kémiai Napok'04 Konferencia, Veszprém, 2004. április, szóbeli szekcióelőadás
4. Süle, Z., Mihálykó, Cs., Lakatos, B.G., Mizonov, V.: Szemcsés rendszerek hőátadási folyamatainak modellezése
Műszaki Kémiai Napok'05 Konferencia, Veszprém, 2005. április, szóbeli szekcióelőadás
5. Süle, Z., Mihálykó, Cs., Lakatos, B.G.: Szemcsés rendszerek hőátadási folyamatainak modellezése
VEAB Analízis és Alkalmazásai munkabizottság tudományos ülése, Veszprém, 2005. május, szóbeli előadás
6. Süle, Z.: Modelling of Heat Transfer Processes in Particulate Systems
The 3rd PhD Mini-Symposium, Veszprém, 2005. június, szóbeli szekcióelőadás 7. Süle, Z.: Modelling of Heat Transfer Processes in Fluidized Bed Heat
Exchangers
4th PhD Mini-Symposium, Veszprém, 2006. június, szóbeli szekcióelőadás 8. Süle, Z., Mihálykó, Cs., Lakatos, B.G.: Fluidizált rétegű hőcserélő rendszerek
hőátadási folyamatainak modellezése
Műszaki Kémiai Napok'06 Konferencia, Veszprém, 2006. április, szóbeli szekcióelőadás
9. Süle, Z., Mihálykó, Cs., Lakatos, B.G.: Modeling of Heat Transfer Process in Particulate Systems
16th European Symposium on Computer Aided Process Engineering - ESCAPE16, Garmisch-Partenkirchen, Németország, 2006. július, poszter előadás
10. Süle, Z., Mihálykó, Cs., Lakatos, B.G.: Hőátadási folyamatok populációs modelljei
VEAB Analízis és Alkalmazásai munkabizottság tudományos ülése, Veszprém, 2006. október, szóbeli előadás
11. Süle, Z., Mihálykó, Cs., Lakatos, B.G.: Population Balance Model of Heat Transfer in Gas-Solid Turbulent Fluidization
17th European Symposium on Computer Aided Process Engineering - ESCAPE17, Bukarest, Románia, 2007. május, szóbeli szekcióelőadás
12. Süle, Z.: Effect of Solid Particles on the Heat Transfer Efficiency of Heat Exchangers
The 5th PhD Mini-Symposium, Veszprém, 2007. június, szóbeli szekcióelőadás 13. Süle, Z., Mihálykó, Cs., Lakatos, B.G.: Population Balance Model of
Gas-Solid Fluidized Bed Heat Exchangers
XIX Polish Conference of Chemical and Process Engineering, Rzeszów, Lengyelország, 2007. szeptember, szóbeli szekcióelőadás
14. Süle, Z., Mihálykó, Cs., Lakatos, B.G.: Population Balance Model of Gas-Solid Fluidized Bed Heat Exchangers
XXVII International Workshop on Chemical Engineering Mathematics, Veszprém, 2007. szeptember, szóbeli szekcióelőadás
15. Süle, Z., Mihálykó, Cs., Lakatos, B.G.: Hőcserélők populáció mérlegegyenletes matematikai modellje
VEAB Analízis és Alkalmazásai munkabizottság tudományos ülése, Veszprém, 2007. október, szóbeli előadás
16. Süle, Z., Mihálykó, Cs., Lakatos, B.G.: Axiális diszperziós/populációs mérlegegyenlet modell hőátadási folyamatok leírására
VEAB Analízis és Alkalmazásai munkabizottság tudományos ülése, Veszprém, 2008. október, szóbeli előadás
17. Süle, Z., Lakatos, B.G., Mihálykó, Cs.: Modelling of Heat Transfer Processes with Compartment/Population Balance Model
6th Vienna Conference on Mathematical Modelling - MATHMOD09, Bécs, Ausztria, 2009. február, szóbeli szekcióelőadás
18. Süle, Z., Lakatos, B.G., Mihálykó, Cs.: Axial Dispersion/Population Balance Model of Heat Transfer in Gas-Solid Turbulent Fluidization
19th European Symposium on Computer Aided Process Engineering - ESCAPE19, Krakkó, Lengyelország, 2009. június, szóbeli szekcióelőadás