Muhammad, Alvin (2025) PENGARUH KECEPATAN ALIRAN DAN SUHU TERHADAP DISTRIBUSI FOULING PADA HEAT EXCHANGER TIPE SHELL AND TUBE : STUDI NUMERIK DENGAN COMPUTATIONAL FLUID DYNAMICS (STUDI KASUS PT XYZ). Undergraduate thesis, UPN Veteran Jawa Timur.
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Abstract
Fouling in shell and tube heat exchangers is a crucial issue in the industry that reduces heat transfer efficiency, where flow velocity and fluid temperature play a vital role in its formation. This research aims to analyze the influence of flow velocity and temperature variations on fouling distribution and to determine the optimal operational settings to minimize its formation. The method employed is a numerical Computational Fluid Dynamics (CFD) study using ANSYS 2024 R2 software with the SST k-ω turbulence model, simulating historical operational data (JAM 11 to JAM 15) on the heat exchanger geometry at PT XYZ. The results indicate that the "JAM 11" setting creates the condition most susceptible to fouling, characterized by stagnant flow zones, low pressure, and the emergence of "hot spots". Conversely, the "JAM 14" setting proved to be the most superior by producing uniform high-velocity flow and the highest Turbulent Kinetic Energy (TKE) values, creating a "self-cleaning" effect. It is concluded that the "JAM 14" setting is the most optimal operational condition as it is capable of comprehensively suppressing mechanical and thermal fouling; therefore, it is recommended to implement the "JAM 14" operational setting on the unit to achieve effective fouling mitigation throughout the entire heat exchanger.
| 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: | ALVIN MUHAMMAD | ||||||||
| Date Deposited: | 22 Dec 2025 04:26 | ||||||||
| Last Modified: | 22 Dec 2025 05:02 | ||||||||
| URI: | https://repository.upnjatim.ac.id/id/eprint/48120 |
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