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All Journal INOTEKS : Jurnal Inovasi Ilmu Pengetahuan, Teknologi, dan Seni ROTOR: JURNAL ILMIAH TEKNIK MESIN Jurnal Teknik Mesin Indonesia Infotekmesin Jurnal Engine: Energi, Manufaktur, dan Material Jurnal Asiimetrik: Jurnal Ilmiah Rekayasa Dan Inovasi Pena : Jurnal Ilmu Pengetahuan dan Teknologi Jurnal Pengabdian dan Pengembangan Masyarakat Action Research Literate (ARL) Jurnal Teknologi dan Rekayasa Alat Berat (JTRAB)
Felixtianus Eko Wismo Winarto
Diploma Program Of MechanicalEngineering, Vocational College, GadjahMada University
Aerospace Engineering Arts Humanities Automotive Engineering Civil Engineering, Building, Construction & Architecture Computer Science & IT Control & Systems Engineering Economics, Econometrics & Finance Education Electrical & Electronics Engineering Energy Engineering Environmental Science Industrial & Manufacturing Engineering Languange, Linguistic, Communication & Media Law, Crime, Criminology & Criminal Justice Library & Information Science Materials Science & Nanotechnology Mathematics Mechanical Engineering Medicine & Pharmacology Social Sciences Other

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Analisis Optimalisasi Perawatan Excavator Untuk Menunjang Produktivitas Unit Luthfi Wifaqi, Ahmad Naufal; Prihadianto, Braam Delfian; Winarto, Felixtianus Eko Wismo; Harjono; Oktavian, Dicky
Infotekmesin Vol 16 No 1 (2025): Infotekmesin: Januari 2025
Publisher : P3M Politeknik Negeri Cilacap

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.35970/infotekmesin.v16i1.2387

Abstract

Maintenance is an important daily activity that aims to ensure equipment or units can operate properly by reducing the risk of damage. One of the heavy equipment units used in mining projects is an excavator, but the high frequency of breakdowns in excavator units requires optimization of the maintenance that has been carried out. This study aims to analyze the performance and effectiveness of hydraulic excavator unit maintenance using the physical availability, mechanical availability, use of availability, mean time between failure, and mean time to repair calculation methods. The calculations show an 8.12% increase in the average PA, MA, and UA values and a 5.16-hour increase in MTBF. Meanwhile, the MTTR calculation results indicate a time reduction of 6.16 hours after optimization. The calculation results after optimization show that the maintenance carried out is effective and efficient to support the unit's productivity
Literature Review Metode Penilaian Sisa Umur Heat Recovery Steam Genearator (HRSG) Berdasarkan Standar American Society Of Mechanical Engineers (ASME) Priambada, Danang; Winarto, Felixtianus Eko Wismo
Pena: Jurnal Ilmu Pengetahuan dan Teknologi Vol. 39 No. 1 (2025): PENA MARET 2025
Publisher : LPPM Universitas Pekalongan

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Abstract

The role of power plants is crucial in supporting various sectors, particularly in oil and gas exploration. One of the key components, the Heat Recovery Steam Generator (HRSG), plays a vital role in combined cycle power plants. However, as HRSG operates, several risks arise, such as performance degradation due to factors like corrosion, fouling, and thermal fatigue. This review aims to analyze studies conducted in Indonesia on the remaining life assessment methods of HRSG based on the American Society of Mechanical Engineers (ASME) standards. The literature review was conducted by collecting and analyzing references from ASME standards through national journals found via Google Scholar, published between 2018 and 2024. The data includes the methods and analyses used in the remaining life assessment of HRSG. The assessment methods for HRSG remaining life include corrosion rate calculation, stress rupture testing using the Larson-Miller Parameter (PLM), material degradation analysis, the Risk-Based Inspection (RBI) approach, as well as pipe thickness evaluation and allowable working pressure assessment. There is no single method that can comprehensively provide an effective HRSG remaining life assessment. Each method has its own advantages and limitations.  Keywords: Heat Recovery Steam Generator, remaining life assessment, ASME standards, corrosion, Risk-Based Inspection, Larson-Miller Parameter.
PENGEMBANGAN UNIT PENSUPLAI DAYA BERTENAGA SURYA UNTUK POMPA AIR KELOMPOK TERNAK SAPI DI DAERAH PEDESAAN Asnawi, Rustam; Yuniarti, Nurhening; Winarto, Felixtianus Eko Wismo
INOTEKS: Jurnal Inovasi Ilmu Pengetahuan,Teknologi, dan Seni Vol 21, No 2 (2017)
Publisher : Universitas Negeri Yogyakarta

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (370.593 KB) | DOI: 10.21831/ino.v21i2.19227

Abstract

In farming, clean water is a basic need to wash food, drink, bathe and clean the cow shed. Provision of clean water is by means of an electric water pump. Meanwhile, electricity prices tend to rise gradually, consequently monthly the electricity bill for farming needs rise. Another thing, the power outage in the countryside sometimes happens in a long duration. The stability of clean water availability at the location of livestock groups is disrupted. One of the best solution approaches to overcome these problems is to create and develop applied products related to renewable energy and energy independence, namely solar power supply unit. This power supply unit uses 2 150WP 12 Volt solar panels, 2 solar charge controllers, 3100Ah batteries and a DC to AC 1500W inverter. The result of the development of this solar powered power supply unit is about 300 Watt. Its main function is to turn on the water pump during the day and in addition it is able to turn on the led light for street lighting at night. Based on the observations, this unit has been operating well and effectively for about 1 month and successfully assisted members of the cow farm groups in the provision of clean water 
Co-Authors Aji , Angga Prasetio Aji, Angga Prasetio Bahari, Galuh Benidiktus Tulung Prayoga Budi , Savitri Citra Cahyandari, Safira Danang Priambada Ferina, Ferina Harjono Harjono Harjono Hudiyo Firmanto Hudiyo Firmanto, Hudiyo Lava Himawan Luthfi Wifaqi, Ahmad Naufal Mandala, Wirawan Widya Nurhening Yuniarti Oktavian, Dicky Praditya, Ardhi Nur Praditya Prihadianto, Braam Delfian Rustam Asnawi Santosa, Nugroho Setiawan, Widia Surojo Wiyono, Al Difa Naufal Akmal