Wahyu Alwi Ridzwan, . (2025) ANALISIS SISTEM TERMODINAMIKA COMBINED ORGANIC RANKINE CYCLE PADA KAPAL. Skripsi thesis, Universitas Pembangunan Nasional Veteran Jakarta.
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Abstract
The Organic Rankine Cycle (ORC) is a promising innovation for recovering energy from low-temperature heat sources by utilizing organic fluids as the working medium. This study investigates the thermodynamic of an ORC system based on three key parameters: component performance, thermal efficiency, and electrical energy output. The analysis incorporates variations in three factors: working fluid, temperature, and pressure. The working fluids examined include benzene, propane, toluene, a benzene–propane mixture, and a toluene–propane mixture. Each temperature and pressure parameter was assessed at three distinct levels. The pump performance analysis revealed that propane, under the Combined ORC configuration, produced the highest average work pump, at 12.67 kJ/kg. In the turbine performance analysis, the toluene–propane mixture in the Combined ORC yielded the highest average work turbine, reaching 374.24 kJ/kg. For the evaporator, benzene in the Simple ORC configuration provided the highest thermal evaporator, with a value of 668.24 kJ/kg. Similarly, the condenser performance was highest with benzene in the Simple ORC, showing a thermal condenser value of 462.57 kJ/kg. In terms of thermal efficiency, the toluene–propane mixture in the Combined ORC achieved the highest average efficiency, at 0.781. However, under turbine degradation conditions, this efficiency decreased to 0.621. The maximum electrical power output was 374.243 kW, which dropped to 299.395 kW when turbine degradation was accounted for. This study demonstrates the feasibility of utilizing Waste Heat Recovery (WHR) from NATO F-76 diesel engine exhaust gases to enhance ORC system thermodynamic. The results highlight the importance of working fluid selection and operating conditions in optimizing thermal efficiency and power output. These findings support the development of renewable energy technologies for naval ship applications.
| Item Type: | Thesis (Skripsi) |
|---|---|
| Additional Information: | [No.Panggil: 2110313004] [Pembimbing: Fajri Ashfi Rayhan] [Penguji 1: Amir Marasabessy] [Penguji 2: Wiwin Sulistyawati] |
| Uncontrolled Keywords: | Thermodynamic, Organic Rankine Cycle (ORC), Waste Heat Recovery (WHR) |
| Subjects: | Q Science > Q Science (General) Q Science > QD Chemistry T Technology > T Technology (General) V Naval Science > V Naval Science (General) |
| Divisions: | Fakultas Teknik > Program Studi Teknik Perkapalan (S1) |
| Depositing User: | WAHYU ALWI RIDZWAN |
| Date Deposited: | 06 Aug 2025 02:26 |
| Last Modified: | 06 Aug 2025 02:26 |
| URI: | http://repository.upnvj.ac.id/id/eprint/38911 |
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