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| dc.contributor.author | Sakib, Nazmus | |
| dc.contributor.author | Dipto, Ahbabul Hoque | |
| dc.contributor.author | Sakib, Nazmus | |
| dc.date.accessioned | 2025-02-24T10:26:02Z | |
| dc.date.available | 2025-02-24T10:26:02Z | |
| dc.date.issued | 2024-07-03 | |
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[47] “(24) (PDF) Advanced CFD modelling of pulverised biomass combustion.” Accessed: Jun. 03, 2024. [Online]. Available: https://www.researchgate.net/publication/228874590_Advanced_CFD_modelling_of_ pulverised_biomass_combustion | en_US |
| dc.identifier.uri | http://hdl.handle.net/123456789/2292 | |
| dc.description | Supervised by Dr. Md. Hamidur Rahman, Professor, Department of Production and Mechanical Engineering(MPE), Islamic University of Technology (IUT) Board Bazar, Gazipur-1704, Bangladesh This thesis is submitted in partial fulfillment of the requirements for the degree of Bachelor of Science in Mechanical Engineering, 2024 | en_US |
| dc.description.abstract | The operation of an incinerator inevitably results in the release of greenhouse gases and nitrogen oxides (NOx), which are detrimental to human health. To minimize pollutant gas emissions and maximize energy efficiency, it is essential to thoroughly study combustion properties. Optimizing operational conditions, such as temperature and oxygen levels within the combustion chamber, is crucial for reducing pollutant release and enhancing the combustion performance of an incinerator freeboard. Achieving this optimization requires the development of reliable approaches based on computational fluid dynamics (CFD) modeling. ANSYS FLUENT is used to study and optimize the combustion behavior of a community incinerator of size 250 kg/hr. Results are obtained under considered cases i.e. different mass flow rates (50%, 75% & 100%) of the waste. The effect and prospects of exhaust gas recirculation with different rates on the NOx gas emission levels after combustion is also shown. For the case 1 (Air fired), the mass fraction percentage of oxygen was 23% and nitrogen was 77% in inlet air. For the case 2 (O2 fired), the mass fraction percentage of oxygen was 23% and CO2 was 77% in inlet air. For the case 3 (O2 fired), the mass fraction percentage of oxygen was 25% and CO2 was 75% in inlet air. And it is seen that the temperature and NOx emission increase gradually with increase of mass flow rate. For the 100% loading, it is also evident that NOx formation has reduced by 57.35% and 41.4% for the O2 fired cases 1 and 2 respectively | en_US |
| dc.language.iso | en | en_US |
| dc.publisher | Department of Mechanical and Production Engineering(MPE), Islamic University of Technology(IUT), Board Bazar, Gazipur-1704, Bangladesh | en_US |
| dc.title | Numerical Modelling of Waste Incineration and the Effect of Flue Gas Recirculation on Pollutant Reduction | en_US |
| dc.type | Thesis | en_US |
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2024 [27]