R.Muhammad, Rizky Ardiza (2025) ANALISIS PENGARUH PRE-HEAT TERHADAP PERFORMA APPARATUS COMPRESSOR SENTRIFUGAL 7 STAGE. Undergraduate thesis, UPN Veteran Jawa Timur.
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Abstract
Centrifugal compressors play a crucial role in various industrial sectors, particularly in energy conversion and process industries, where efficiency and reliability directly affect operational performance. This research investigates the performance of a YS 0042 7 stage centrifugal compressor apparatus through experimental at the Conversion Energy Laboratory, UPN Veteran Jawa Timur. The study aims to evaluate the influence of inlet temperature and rotational speed on compressor performance parameters, namely compression ratio, isentropic efficiency, and power. The experiments were carried out by varying compressor speed from 450 to 1350 rpm and controlling inlet air temperature using an electric heater with voltages ranging from 35 V to 75 V. The results indicate that increasing compressor speed generally raises the compression ratio and power, while higher inlet air temperature reduces density and contributes to efficiency losses. Increasing the rotational speed from 450 to 1350 rpm and raising the heater voltage from 35 V to 75 V caused the compression ratio to rise, accompanied by a continuous increase in compressor power. However, the isentropic efficiency tended to decrease at higher speeds and inlet temperatures due to aerodynamic losses and reduced air density. These findings confirm that compressor performance is strongly affected by both rotational speed and inlet temperature. The analysis provides useful insights for performance evaluation, efficiency optimization, and understanding operational limitations of centrifugal compressors under varying operating conditions.
| Item Type: | Thesis (Undergraduate) | ||||||||
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| Subjects: | T Technology > TJ Mechanical engineering and machinery T Technology > TS Manufactures > TS 155-194 Production Management, Operations Management |
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| Divisions: | Faculty of Engineering > Departement of Mechanical Engineering | ||||||||
| Depositing User: | R.Muhammad Rizky Ardiza | ||||||||
| Date Deposited: | 27 Nov 2025 04:23 | ||||||||
| Last Modified: | 27 Nov 2025 04:23 | ||||||||
| URI: | https://repository.upnjatim.ac.id/id/eprint/46989 |
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