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All Journal Jurnal Energi Dan Manufaktur e-Dinamis Jurnal Dinamis JOURNAL OF SCIENCE AND APPLIED ENGINEERING Dinamis
Ikhwansyah Isranuri
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Aerospace Engineering Computer Science & IT Education Electrical & Electronics Engineering Energy Engineering Industrial & Manufacturing Engineering Mechanical Engineering Social Sciences Transportation Other

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VIBRATION SIGNAL ANALYSIS FOR CAVE DETECTION AS BASIC OF DEVELOPING PUMP OPERATIONS: CASE STUDY UNIT DISTILLATION PLN BELAWAN Muhammad Zukhri Lubis; Ikhwansyah Isranuri
JOURNAL OF SCIENCE AND APPLIED ENGINEERING Vol 1, No 1 (2018): JSAE
Publisher : Widyagama University of Malang

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (970.465 KB) | DOI: 10.31328/jsae.v1i1.554

Abstract

Cavitation occurs due to the formation of empty cavities in the fluid flow that decreases pressure quickly. When cavitation occurs then the pump performance will decrease marked with noise and when this condition is not addressed will cause damage to the pump components. The distillation pump working under vacuum pressure and working temperature at 38 ° C is susceptible to cavitation. The pressure and temperature conditions of this distillation pump work result in faster fluid evaporation and eventually trigger cavitation. To avoid the occurrence of cavitation, it must be known operational limits concerning the pressure and working capacity of the distillation pump. The operational limit of this pump is between the shut-off point meaning there is no flow and run-out point which means the full capacity of the pump. This study aims to determine the operating limits of safe distillation pumps both from pressure and capacity. The experimental methodology used is to vary the capacity of the pump by adjusting the opening valve discharge at 100%, 90%, 80% and 70% capacities. Then for each capacity varied also the suction pressure of pump at 0 mmHg, -7 mmHg, -15 mmHg and -22 mmHg by arranging vacuum pump. The magnitude of the vibration response is measured to determine the effect of the capacity and variation of pump suction pressure. With this method can be known range of capacity and pressure suction safe for operation of distillation pump. The results showed that the highest vibration value was in the axial direction. Vibration spectrum value spread over the range 1600 - 1900 Hz with the highest value is at 100% capacity (0.00278 m3 / sec) suction pressure -0 mmHg with amplitude of 0.410 g at 1660 Hz frequency. While the lowest vibration value is at a flow rate of 0.00208 m3 / sec with an amplitude of 0.210 g at a frequency of 1816 Hz. While the minimum flow rate to avoid the occurrence of cavitation due to recirculation flow is equal to 0.00172 m3 / sec. Keywords: cavitation, distillation pump, operational limit, valve discharge, vacuum pump
ANALISA DATA VIBRASI UNTUK KLASIFIKASI KERUSAKAN KOMPRESSOR TURBIN GAS PADA PT. PLN SEKTOR PEMBANGKITAN BELAWAN Hery E.Permana; Ikhwansyah Isranuri; M. Sabri; Mahadi; Dian M. Nasution
DINAMIS Vol. 7 No. 4 (2019): Dinamis
Publisher : Talenta Publisher

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (1475.126 KB) | DOI: 10.32734/dinamis.v7i4.7200

Abstract

Teknik perawatan secara prediktif banyak diaplikasikan di dunia industri yang salah satunya adalah untuk komponen mesin berputar. Teknik perawatan ini dapat mendeteksi jenis kerusakan pada suatu mesin tanpa menghentikan operasi mesin tersebut dengan cara analisis getaran melalui identifikasi terhadap sinyal getaran yang dihasilkan. Dalam penelitian ini akan dianalisis sinyal getaran yang dibangkitkan oleh keadaan terkini mesin melalui pengambilan data sinyal getaran pada arah radial (horizontal) pada kompressor turbin gas . Dari hasil analisis sinyal getaran, dapat diketahui jenis dan besarnya tingkat getaran yang dibangkitkan dalam interval waktu oleh kelonggaran melalui perbandingan nilai getaran terhadap trending dan dengan standar yang berlaku memperlihatkan amplitudo tinggi pada kompressor horizontal ,vertical dan aksial kondisi getaran sebesar 11 mm/s, berdasarkan standar ISO 10816.
Co-Authors AA Sudharmawan, AA Abd. Wahid Simangunsong Ahmad Ridwan Nasution Alfian Hamsi Ali M. Nainggolan Andi Kurniawan Arifin Fauzi Lubis Bustami Syam Dahlan Tanjung David C. L Tobing Dian M. Nasution Erwin Martianis Farida Ariani Fauzi K. P. Felix Asade Gary Liadi Helen Riupassa Hery E.Permana indra indra Indra N. T. Iswan Ansukarto Sukardi Juliono S. M. Dirhamsyah M. Dirhamsyah M. Sabri M. Sabri Mahadi Marragi M Marragi M. Masniarman Masniarman Maulida Ningsih S Mochamad Halley Muhammad Asroh Hasibuan Muhammad Firdaus Muhammad Zukhri Lubis Nurdiana Nurdiana Palvis Syafri Reyhan Almer Ricky Surya Miraza Rio Martua Harahap Rony, Zahara Tussoleha Sitompul, Darwin Suci N. Sandi Sukaria Sinullingga Syahrul Abda T. Ahri Bahriun Tugiman Tugiman Tugiman Wendy Aditya Wicahya Indra Agustian Yudi Pratama Yuhelson Yuhelson Zuhri Zahra Zulkifli Lubis