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The development and validation of a computational fluid dynamics model of an industrial watertube boiler burning bagasse
Thesis (MEng)--Stellenbosch University, 2015.
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| Format: | Thesis |
| Language: | en_ZA |
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Stellenbosch : Stellenbosch University
2015
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| _version_ | 1867613782077865984 |
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| access_status_str | Open Access |
| author | Du Toit, Philip Coenrad |
| author2 | Meyer, Chris J. |
| author_browse | Du Toit, Philip Coenrad Meyer, Chris J. |
| author_facet | Meyer, Chris J. Du Toit, Philip Coenrad |
| author_sort | Du Toit, Philip Coenrad |
| collection | Thesis |
| dc_rights_str_mv | Stellenbosch University |
| description | Thesis (MEng)--Stellenbosch University, 2015. |
| format | Thesis |
| id | oai:scholar.sun.ac.za:10019.1/96710 |
| institution | Stellenbosch University (South Africa) |
| language | en_ZA |
| last_indexed | 2026-06-10T12:41:36.774Z |
| license_str | Other — see source repository |
| provenance_str_mv | Harvested via OAI-PMH from SUNScholar — Stellenbosch University Repository |
| publishDate | 2015 |
| publishDateRange | 2015 |
| publishDateSort | 2015 |
| publisher | Stellenbosch : Stellenbosch University |
| publisherStr | Stellenbosch : Stellenbosch University |
| record_format | dspace |
| source_str | SUNScholar — Stellenbosch University Repository |
| spelling | oai:scholar.sun.ac.za:10019.1/96710 The development and validation of a computational fluid dynamics model of an industrial watertube boiler burning bagasse Du Toit, Philip Coenrad Meyer, Chris J. Stellenbosch University. Faculty of Engineering. Dept. of Mechanical and Mechatronic Engineering. Industrial watertube boiler Combustion Superheaters Heat transfer UCTD Steam-boilers Thesis (MEng)--Stellenbosch University, 2015. ENGLISH ABSTRACT: A model of a bagasse fired boiler using the commercial CFD software package, ANSYSÒ Fluent, was developed. The simulation included heterogeneous and homogenous combustion with species transport after chemical reaction. Since the focus of the study was on the heat transfer to a tube bank in the combustion zone, the required grid resolution in the bank and turbulence model were investigated in detail. The effect of different combustion modelling strategies on the heat transfer was found to be minimal, but fouling on the outside of the tubes had a substantial impact. The model was validated during an experimental campaign with a suction pyrometer and thermal camera utilising optical tomographic and two-colour pyro metric techniques. The simulation methodology was then applied to a new high pressure industrial boiler design suited to cogeneration. AFRIKAANSE OPSOMMING: 'N model van 'n bagasse brandende ketel is ontwikkel met behulp van die kommersiële CFD sagteware pakket, ANSYSÒ Fluent. Die simulasie sluit in heterogene en homogene verbranding met die vervoer van spesies nadat die chemiese reaksies plaasgevind het. Die fokus van die studie was op die hitteoordrag na 'n buis bank in die verbranding sone, dus is die vereiste rooster resolusie in die bank en turbelensie model ondersoek in detail. Die effek van verskillende verbranding model strategieë op die hitte-oordrag is minimaal gevind, maar aanpaksels aan die buitekant van die buise het 'n aansienlike impak. Die model is gedurende 'n eksperimentele veldtog met 'n suiging pirometer en termiese kamera wat gebruik maak van optiese tomografiese en twee-kleur piro-metriese tegnieke gevalideer. Die simulasie metode is toegepas op 'n nuwe hoë druk industriële ketel ontwerp wat geskik is vir gekombineerde hitte en krag opwekking. 2015-05-20T09:26:46Z 2015-05-20T09:26:46Z 2015-03 Thesis http://hdl.handle.net/10019.1/96710 en_ZA Stellenbosch University 154 pages : illustrations application/pdf application/pdf Stellenbosch : Stellenbosch University |
| spellingShingle | Industrial watertube boiler Combustion Superheaters Heat transfer UCTD Steam-boilers Du Toit, Philip Coenrad The development and validation of a computational fluid dynamics model of an industrial watertube boiler burning bagasse |
| title | The development and validation of a computational fluid dynamics model of an industrial watertube boiler burning bagasse |
| title_full | The development and validation of a computational fluid dynamics model of an industrial watertube boiler burning bagasse |
| title_fullStr | The development and validation of a computational fluid dynamics model of an industrial watertube boiler burning bagasse |
| title_full_unstemmed | The development and validation of a computational fluid dynamics model of an industrial watertube boiler burning bagasse |
| title_short | The development and validation of a computational fluid dynamics model of an industrial watertube boiler burning bagasse |
| title_sort | development and validation of a computational fluid dynamics model of an industrial watertube boiler burning bagasse |
| topic | Industrial watertube boiler Combustion Superheaters Heat transfer UCTD Steam-boilers |
| url | http://hdl.handle.net/10019.1/96710 |
| work_keys_str_mv | AT dutoitphilipcoenrad thedevelopmentandvalidationofacomputationalfluiddynamicsmodelofanindustrialwatertubeboilerburningbagasse AT dutoitphilipcoenrad developmentandvalidationofacomputationalfluiddynamicsmodelofanindustrialwatertubeboilerburningbagasse |