TAUFIK, MUHAMAD (2026) ANALISIS PENGARUH VARIASI RPM TERHADAP KINERJA DAN EFISIENSI KOMPRESOR AC MOBIL MENGGUNAKAN OLI ND8 DAN PAG46. S1 thesis, Universitas Mercu Buana Jakarta.
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Abstract
The air conditioning (AC) system in vehicles plays an important role in maintaining cabin temperature comfort. The performance of the compressor as the main component of an AC system is influenced by several factors, including engine speed and the type of lubricant used. This study aims to analyze the effect of engine speed variations (RPM) on the performance and efficiency of an automotive air conditioning system compressor using ND8 and PAG46 compressor oils. The research method used was an experimental method by conducting tests at three engine speed variations, namely 1300 RPM, 1700 RPM, and 2000 RPM. The observed parameters included low-pressure refrigerant pressure, highpressure refrigerant, cabin temperature, compressor power consumption, refrigerant enthalpy change, and compressor isentropic efficiency. The test results showed that increasing RPM caused an increase in refrigerant pressure and compressor power consumption due to the higher workload of the compressor in circulating R134a refrigerant. The use of PAG46 oil showed better performance compared to ND8 oil, indicated by lower cabin temperature, lower power consumption, and higher compressor efficiency. At 2000 RPM, the use of PAG46 oil produced a cabin temperature of 21.9°C, compressor power consumption of 124 Watts, and isentropic efficiency of 81.7%, while ND8 oil produced a cabin temperature of 22.2°C, power consumption of 127.72 Watts, and efficiency of 80.6%. Based on the research results, variations in RPM and compressor oil type affect the performance of automotive AC systems, with PAG46 oil providing more optimal compressor operating conditions. Keywords: automotive AC, compressor, RPM, ND8, PAG46, compressor efficiency, R134a refrigerant. Sistem pendingin udara (Air Conditioner/AC) pada kendaraan memiliki peranan penting dalam menjaga kenyamanan temperatur kabin. Kinerja kompresor sebagai komponen utama sistem AC dipengaruhi oleh beberapa faktor, salah satunya adalah putaran mesin dan jenis oli pelumas yang digunakan. Penelitian ini bertujuan untuk menganalisis pengaruh variasi putaran mesin (RPM) terhadap kinerja dan efisiensi kompresor AC mobil menggunakan oli ND8 dan PAG46. Metode penelitian yang digunakan adalah metode eksperimen dengan melakukan pengujian pada tiga variasi putaran mesin, yaitu 1300 RPM, 1700 RPM, dan 2000 RPM. Parameter yang diamati meliputi tekanan refrigeran sisi rendah, tekanan refrigeran sisi tinggi, temperatur kabin, konsumsi daya kompresor, perubahan entalpi refrigeran, dan efisiensi isentropik kompresor. Hasil pengujian menunjukkan bahwa peningkatan RPM menyebabkan peningkatan tekanan refrigeran dan konsumsi daya kompresor akibat meningkatnya beban kerja kompresor dalam mensirkulasikan refrigeran R134a. Penggunaan oli PAG46 menunjukkan performa yang lebih baik dibandingkan ND8, ditunjukkan dengan temperatur kabin yang lebih rendah, konsumsi daya yang lebih kecil, serta efisiensi kompresor yang lebih tinggi. Pada putaran 2000 RPM, penggunaan oli PAG46 menghasilkan temperatur kabin sebesar 21,9°C, daya kompresor sebesar 124 Watt, dan efisiensi isentropik sebesar 81,7%, sedangkan oli ND8 menghasilkan temperatur kabin 22,2°C, daya 127,72 Watt, dan efisiensi 80,6%. Berdasarkan hasil penelitian, variasi RPM dan jenis oli kompresor memberikan pengaruh terhadap kinerja sistem AC mobil, dengan penggunaan oli PAG46 menghasilkan kondisi kerja kompresor yang lebih optimal. Kata kunci: AC mobil, kompresor, RPM, ND8, PAG46, efisiensi kompresor, refrigeran R134a
| Item Type: | Thesis (S1) |
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| NIM/NIDN Creators: | 41321120047 |
| Uncontrolled Keywords: | AC mobil, kompresor, RPM, ND8, PAG46, efisiensi kompresor, refrigeran R134a |
| Subjects: | 000 Computer Science, Information and General Works/Ilmu Komputer, Informasi, dan Karya Umum > 020 Library and Information Sciences/Perpustakaan dan Ilmu Informasi > 022 Administration of The Physical Plant/Administrasi dan Fisik Perpustakaan > 022.8 Heating, Ventilation, Air Conditioning/Pemanasan, Ventilasi, AC 600 Technology/Teknologi > 620 Engineering and Applied Operations/Ilmu Teknik dan operasi Terapan > 621 Applied Physics/Fisika terapan > 621.8 Machine Engineering, Machinery/Teknik Mesin |
| Divisions: | Fakultas Teknik > Teknik Mesin |
| Depositing User: | khalimah |
| Date Deposited: | 05 Sep 2026 02:39 |
| Last Modified: | 05 Sep 2026 02:39 |
| URI: | http://repository.mercubuana.ac.id/id/eprint/103647 |
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