Yusuf, Muhammad (2019) Analisis Pengaruh Baffle dan Finned Tubes Terhadap Kinerja Heat Exchanger di PT. PERTAMINA (Persero) RU IV Cilacap Menggunakan Metode Computational Fluid Dynamics. Other thesis, Institut Teknologi Sepuluh Nopember.
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Abstract
Heat Exchanger merupakan alat penukar panas yang digunakan pada kilang RFCC di PT. Pertamina (Persero) RU IV Cilacap. Peningkatan laju perpindahan panas diperlukan agar kinerja heat exchanger semakin tinggi yakni salah satunya dengan menggunakan baffle (sekat). Baffle dapat menimbulkan olakan-olakan pada aliran fluida yang melewati bagian shell heat exchanger sehingga terjadi peningkatan kontak antar fluida di dalam tube dan shell. Pada penellitian ini dilakukan dengan metode Computational Fluid Dynamics (CFD) dengan tiga variasi jenis susunan baffle yaitu segmental baffle, helical baffle, dan staggered baffle disertai variasi penambahan finned tubes di daerah tube heat exchanger sebanyak 4 fins tiap tube nya. Hasil simulasi menunjukkan bahwa dengan adanya penambahan fins pada tube akan memperbesar area perpindahan panas yang terjadi sehingga laju perpindahan panas dapat ditingkatkan. Dengan adanya penambahan fins sekaligus divariasikan jenis susunan baffle, alhasil pada heat exchanger jenis helical baffle menghasilkan laju perpindahan panas yang paling tinggi diantara variasi lain yaitu sebesar 67416.95 Watt dengan nilai pressure drop sebesar 10428.6 Pa.
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Heat exchanger is a common device used in industrial field especially in RFCC refineries, PT. Pertamina (Persero) RU IV Cilacap. Baffle can creates turbulence flow in a shell heat exchanger so that there is an increase in contact between the fluid inside the tube and. In this research, a computational fluid dynamics (CFD) simulation was conducting using three variation of baffle arrangement, which are segmental baffle, helical baffle, and staggered baffle with variation of additional finned tube. Four fins will be installed in each tubes. The results show that the additional fins in the tube will increased area of heat transfer, which can enhance the heat transfer rat. In the case, the helical baffle heat exchanger with additional finned tubes produces the highest heat transfer rate which is equal 67416.95 Watt with pressure drop is 10428.6 Pa.
| Item Type: | Thesis (Other) |
|---|---|
| Uncontrolled Keywords: | baffle, computational fluid dynamics, finned tubes, heat exchanger |
| Subjects: | Q Science > QC Physics > QC320 Heat transfer T Technology > TJ Mechanical engineering and machinery > TJ263 Heat exchangers |
| Divisions: | Faculty of Industrial Technology > Physics Engineering > 30201-(S1) Undergraduate Thesis |
| Depositing User: | Muhammad Yusuf |
| Date Deposited: | 25 Sep 2024 07:15 |
| Last Modified: | 25 Sep 2024 07:15 |
| URI: | http://repository.its.ac.id/id/eprint/67056 |
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