Nazariah Al-Vanesa, . (2021) OPTIMASI PERFORMA HIGH PRESSURE HEATER (HPH) DENGAN PENDEKATAN DIAMETER LUAR TUBE (STUDI KASUS DI UPK TARAHAN). Skripsi thesis, Universitas Pembangunan Nasional Veteran Jakarta.
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Abstract
This study discusses how to optimize the performance of the high pressure heater (HPH) at unit 3 UPK Tarahan. Unit 3 at UPK Tarahan has 5 feedwater heaters which include 1 dearator, 2 low pressure heaters (LPH) and 2 high pressure heaters (HPH). At this study using HPH 5, where there is thinning on the tube and results in leakage. The effective step taken is to plug the leaking tube end. However, the presence of this blockage will hinder the heat transfer process in the shell and tube. Thermal analysis is carried out based on the laws of thermodynamics and heat transfer. Shell diameter, number of baffles, tube thickness, shell and tube fluid properties have been determined. While the outer diameter of the tube and the number of tubes were varied to get the maximum heat transfer coefficient with the pressure drop limit according to the standard. Calculations were carried out to obtain the optimum dimensions of shell and tube in HPH 5. After that, the performance calculation was carried out by varying the number of tubes. The results of this calculation are the outer diameter of the tube is 19.05mm, the inner diameter of the tube is 14.83mm, the shell diameter is 1m, the total length of the tube is 9.47m and the number of tubes is 491 pieces. The pressure drop on the shell side is 0.3794 kg⁄cm^2 and the tube side is 0.261 kg⁄cm^2 . Performance (performance) of HPH 5 with a minimum number of tubes of 373 units where the effectiveness value is 0.819.
| Item Type: | Thesis (Skripsi) |
|---|---|
| Additional Information: | [No.Panggil: 1710311013], [Pembimbing 1: Damora Rhakasywi], [Pembimbing 2: Muhamad As’adi], [Penguji 1: M. Galbi Bethalembah], [Penguji 2: Nur Cholis], |
| Uncontrolled Keywords: | High Pressure Heater, Working Fluid Parameters, Pressure Drop. |
| Subjects: | T Technology > TJ Mechanical engineering and machinery |
| Divisions: | Fakultas Teknik > Program Studi Teknik Mesin (S1) |
| Depositing User: | Nazariah Al-Vanesa |
| Date Deposited: | 16 Sep 2021 09:31 |
| Last Modified: | 16 Sep 2021 09:31 |
| URI: | http://repository.upnvj.ac.id/id/eprint/11431 |
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