Pranagozy, Guntur Esa (2026) Studi Ekperimental Pengaruh Desain Swirler Terhadap Performa Serta Karakteristik Pembakaran Pada Burner Jinil JL26D Berbahan Bakar B100 Dan B40. Undergraduate thesis, UPN "VETERAN" JAWA TIMUR.
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Abstract
Indonesia’s high dependence on fossil fuels has driven the development of B100 and B40 biodiesel as alternative fuels. In burners, the swirler design plays a crucial role in stabilizing the flame through air-fuel mixing. This study analyzes the effect of variations in swirler design on flame characteristics, combustion performance, and exhaust emissions in the JINIL JL26D burner. The experimental method involved varying the number of swirler blades (7, 9, 11, and 12 blades), fuel type (B100 and B40), and fuel pressure (12, 14, 16, 18, and 20 bar) at a constant air flow rate of 168.8 m³/s. The results show that an increase in fuel pressure causes the flame to become longer and wider, light intensity to increase, and exhaust gas temperature and smoke opacity to rise; however, combustion efficiency actually decreases due to greater heat loss. Meanwhile, as the number of swirler blades increases, the flame becomes more turbulent with the emergence of vortices that shorten the flame length and reduce smoke opacity, but widen the flame and increase light intensity and combustion efficiency, with the 12-blade configuration providing the best performance. B100 fuel produces lower emissions and smoke opacity than B40, although it generates less thermal energy. This study is expected to serve as a reference for the design of an optimal swirler to support a sustainable energy transition and reduce emissions or toxic gases in Indonesia.
| Item Type: | Thesis (Undergraduate) | ||||||||
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| Subjects: | T Technology > TJ Mechanical engineering and machinery | ||||||||
| Divisions: | Faculty of Engineering > Departement of Mechanical Engineering | ||||||||
| Depositing User: | Guntur Esa Pranagozy | ||||||||
| Date Deposited: | 01 Sep 2026 06:45 | ||||||||
| Last Modified: | 01 Sep 2026 06:45 | ||||||||
| URI: | https://repository.upnjatim.ac.id/id/eprint/59573 |
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