Rozprawy doktorskie na temat „Fluidized-bed combustion Mathematical models”
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Wildegger-Gaissmaier, Anna Elisabeth. "Fluidized bed utilization of South Australian coals". Title page, contents and abstract only, 1988. http://web4.library.adelaide.edu.au/theses/09PH/09phw672.pdf.
Pełny tekst źródłaAlagoz, Duriye Ece. "Mathematical Modeling Of Fluidized Bed Combustors With Radiation Model". Master's thesis, METU, 2006. http://etd.lib.metu.edu.tr/upload/12607489/index.pdf.
Pełny tekst źródłaBell, Robyn Anne, i Robyn Bell@csiro au. "Numerical modelling of multi-particle flows in bubbling gas-solid fluidised beds". Swinburne University of Technology, 2000. http://adt.lib.swin.edu.au./public/adt-VSWT20050902.132803.
Pełny tekst źródłaGogolek, Peter Edmund Gordon. "Mathematical modelling of fluctuations in fluidized bed combustion". Thesis, National Library of Canada = Bibliothèque nationale du Canada, 1998. http://www.collectionscanada.ca/obj/s4/f2/dsk2/tape17/PQDD_0006/NQ31928.pdf.
Pełny tekst źródłaAltindag, Hakan. "Mathematical Modeling Of Sulfur Retention In Fluidized Bed Combustors". Master's thesis, METU, 2003. http://etd.lib.metu.edu.tr/upload/1085661/index.pdf.
Pełny tekst źródłaAfacan, Onur M. "Mathematical Modeling Of Nox Emissions In Bubbling Fluidized Bed Combustors". Master's thesis, METU, 2005. http://etd.lib.metu.edu.tr/upload/12606463/index.pdf.
Pełny tekst źródłaChevrier, Solène. "Development of subgrid models for a periodic circulating fluidized bed of binary mixture of particles". Phd thesis, Toulouse, INPT, 2017. http://oatao.univ-toulouse.fr/19905/1/CHEVRIER_Solene.pdf.
Pełny tekst źródłaAsthana, Abhishek. "Modélisation mathématique de la formation des NOx et de la volatilisation des métaux lourds lors de l'incinération sur grille d'ordures ménagères". Thesis, Vandoeuvre-les-Nancy, INPL, 2008. http://www.theses.fr/2008INPL018N/document.
Pełny tekst źródłaAs a tool for controlling the Municipal Solid Waste (MSW) incineration process and its possible pollutant emissions, a mathematical model of the MSW bed burning on travelling grate of an incinerator was developed. The model describes most of the physico-chemical and thermal phenomena taking place in incineration like the drying and pyrolysis of the feed, combustion and gasification of char, oxidation of pyrolysis gases, heat transfer, bed shrinking, feed stirring, etc. Also described in the model are the mechanisms of Heavy Metals (HM) volatilization and NOx formation. Kinetics of HM release was modelled using the approach of additive reaction times accounting for the various transport mechanisms involved: external transfer, intra-particle diffusion and actual volatilization. In the case simulated, i.e. of Cd, almost total volatilization is predicted, which is confirmed by literature findings. The NOx sub-model takes into account most of the common mechanisms of formation like thermal, prompt, fuel, N2O intermediate and also NOx reduction by homogeneous reburning and heterogeneous reduction by char. Calculations show that NOx formation is predominated by the fuel mechanism and destruction by the heterogeneous reduction. Finally, the bed model was applied to study the influence of various operating parameters like flow rate, temperature and distribution of air under grates, waste particle size, feed stirring and the stirring scheme. The results are presented and discussed in detail and the influence of operating conditions on process efficiency and on emissions of Cd and NOx is analyzed
Wildegger-Gaissmaier, Anna Elisabeth. "Fluidized bed utilization of South Australian coals / Anna Elisabeth Wildegger-Gaissmaier". Thesis, 1988. http://hdl.handle.net/2440/18806.
Pełny tekst źródłaChin, Ming Chu, i 秦銘助. "The Mathematical Model of Coal Combustion in the Vortexing Fluidized Bed Combustor". Thesis, 1994. http://ndltd.ncl.edu.tw/handle/32302461555629449088.
Pełny tekst źródła中原大學
化學工程研究所
82
A novel dimensionless relationship for predicting the proportions of volatile combustion within different regions of the fluidized bed combustor was presented. The temperatures of different regions can be predicted by material and energy balance including the proportion of volatile combustion. Experiments were carried out in a 0.45m pilot vortexing fluidized bed combustor (VFBC) to obtain temperature data of the two coal particle sizes, 2.52mm and 6.68mm, with different operating conditions. By using the multiple linear regression, the constants of the dimension- less equation were calculated. This model was used to predict the temperature distribution of the 0.7m*1.4m prototype VFBC and the difference between the experimental and theoretical study was compared. When the primary air increases, the temperature distribution curve stays the same and the total temperature decreases; the temperature of the freeboard decreases as the secondary air increases and the temperature has little increase both in the bed and above bed surface. The 6.68mm coal particle's temperature in the freeboard is lower than in the bed and compared with the 2.52mm coal particle, it shows a higher proportion of volatile combustion in the bed. The 2.52mm coal particle's temperature is higher at the feed position than in the bed because the time of volatile release is short due to the small particle size. Although the theoretical temperature is sometimes higher or sometimes lower than the experimental value, but the tendency of both are the same. The difference is smaller than 20℃ and the average deviation of including operating condition of the pilot and prototype VFBC doesn't exceed 7% within the three regions. The predictions from the model of different primary/ theoretical air ratio and different particle size also coincide well.
Biggs, Mark 1966. "The numerical study of transport and reaction within and around a porous carbonaceous particle in a fluidized bed / Mark Biggs". 1995. http://hdl.handle.net/2440/18609.
Pełny tekst źródła[210] leaves : ill. ; 30 cm.
Title page, contents and abstract only. The complete thesis in print form is available from the University Library.
This thesis presents two advanced modelling studies which address some unresolved fluidized bed combustion (FBC) issues. In the first study, finite element methods are used to solve a transient continuum/percolation model of a single porous char and its surrounding boundary layer so as to generate temperature, O2,CO2, CO pressure and porosity distributions for over 100 different FBC conditions. In the second study, a new discrete approach for the determination of the diffusion coefficients of the fluid-solid system is described and used, based on moecular dynamics and percolation concepts.
Thesis (Ph.D.)--University of Adelaide, Dept. of Chemical Engineering, 1996
Biggs, Mark 1966. "The numerical study of transport and reaction within and around a porous carbonaceous particle in a fluidized bed / Mark Biggs". Thesis, 1995. http://hdl.handle.net/2440/18609.
Pełny tekst źródła[210] leaves : ill. ; 30 cm.
This thesis presents two advanced modelling studies which address some unresolved fluidized bed combustion (FBC) issues. In the first study, finite element methods are used to solve a transient continuum/percolation model of a single porous char and its surrounding boundary layer so as to generate temperature, O2,CO2, CO pressure and porosity distributions for over 100 different FBC conditions. In the second study, a new discrete approach for the determination of the diffusion coefficients of the fluid-solid system is described and used, based on moecular dynamics and percolation concepts.
Thesis (Ph.D.)--University of Adelaide, Dept. of Chemical Engineering, 1996
Ko, Daekwun. "A numerical study of solid fuel combustion in a moving bed". Thesis, 1993. http://hdl.handle.net/1957/35623.
Pełny tekst źródłaGraduation date: 1994
Chen, Yiming. "Modeling and simulation of a continuous fluidized-bed dryer". 1986. http://hdl.handle.net/2097/27603.
Pełny tekst źródłaRhee, Brian Kanghee. "Enhancement of mass transfer coefficient in three-phase magnetically stabilized fluidized bed". Thesis, 1998. http://hdl.handle.net/1957/33757.
Pełny tekst źródłaJovanovic, Zoran R. "Kinetic study on the production of silicon nitride by direct nitridation of silicon in a fluidized bed : experiment and modeling". Thesis, 1994. http://hdl.handle.net/1957/34894.
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