REYNALDI, AHMAD (2026) STUDI EFEKTIVITAS PERPINDAHAN PANAS METODE LMTD DAN NTU PADA KONDENSOR BLOK 1-2 PLTGU TANJUNG PRIOK. S1 thesis, Universitas Mercu Buana Jakarta.
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Abstract
Kondensor merupakan suatu alat perpindahan panas utama yang berada pada PLTGU. Kondensor berfungsi untuk mengkondensasikan uap bekas dari turbin tekanan rendah menjadi air kondensat. Uap bekas dari turbin masuk dari sisi atas kondensor, kemudian mengalami proses kondensasi yang mana terjadi perubahan fasa dari uap air menjadi air (air kondensat). Air kondensat akan digunakan kembali sebagai air pengisi boiler. Mengingat peran penting kondensor dalam siklus PLTGU, diperlukan analisis perhitungan laju perpindahan panas dan efektivitas kondensor yang optimal. Metode LMTD digunakan untuk menghitung laju perpindahan panas dan metode NTUEffectiveness digunakan untuk menghitung efektivitas kondensor. Hasil dari kedua metode tersebut digunakan sebagai parameter evaluasi terhadap kinerja kondensor. Hasil analisis menunjukkan bahwa laju perpindahan panas paling tinggi sebesar 388,83 MW terjadi pada tekanan vakum -719,1 mmHg (0,05445 bar), sedangkan nilai paling rendah sebesar 354,53 MW pada tekanan vakum -720,3 mmHg (0,05285 bar). Efektivitas kondensor paling tinggi mencapai 72,51% dan paling rendah 69,73% pada tekanan vakum yang sama. Sehingga dapat disimpulkan yang ada di PT. Indonesia Power UPJP Blok 1-2 Tanjung Priok masih mempunyai performa yang baik. The condenser is a primary heat transfer device located in a combined cycle power plant. The condenser functions to condense exhaust steam from the low-pressure turbine into condensate water. Exhaust steam from the turbine enters from the top of the condenser, where it undergoes condensation, changing phase from steam to water (condensate water). The condensate water is reused as boiler feed water. Given the important role of the condenser in the PLTGU cycle, it is necessary to analyze the heat transfer rate and optimal condenser effectiveness. The LMTD method is used to calculate the heat transfer rate, and the NTU-Effectiveness method is used to calculate the condenser effectiveness. The results of these two methods are used as evaluation parameters for condenser performance. The analysis results show that the highest heat transfer rate of 388.83 MW occurs at a vacuum pressure of -719.1 mmHg (0.05445 bar), while the lowest value of 354.53 MW occurs at a vacuum pressure of -720.3 mmHg (0.05285 bar). The highest condenser effectiveness reached 72.51% and the lowest was 69.73% at the same vacuum pressure. Therefore, it can be concluded that PT. Indonesia Power UPJP Block 1-2 Tanjung Priok still has good performance.
| Item Type: | Thesis (S1) |
|---|---|
| NIM/NIDN Creators: | 41320120023 |
| Uncontrolled Keywords: | Kondensor, PLTGU, Efektivitas, Laju Perpindahan Panas, Tekanan Vakum Kondensor |
| Subjects: | 600 Technology/Teknologi > 620 Engineering and Applied Operations/Ilmu Teknik dan operasi Terapan > 621 Applied Physics/Fisika terapan > 621.4 Heat Engineering and Prime Movers/Teknik Panas dan Pendorong Utama 600 Technology/Teknologi > 620 Engineering and Applied Operations/Ilmu Teknik dan operasi Terapan > 621 Applied Physics/Fisika terapan > 621.5 Pneumatic, Vacuum, Low-Temperature Technologies/Pneumatik, Vakum, Teknologi Suhu Rendah |
| Divisions: | Fakultas Teknik > Teknik Mesin |
| Depositing User: | Haqi ar rachma nur |
| Date Deposited: | 02 Apr 2026 04:39 |
| Last Modified: | 02 Apr 2026 04:39 |
| URI: | http://repository.mercubuana.ac.id/id/eprint/101491 |
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