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All Journal Jurnal Informasi dan Teknologi International Journal of Health, Economics, and Social Sciences (IJHESS) Journal of Ocean, Mechanical and Aerospace -science and engineering- (JOMAse) Jurnal Sains dan Teknologi Jurnal Kemitraan Responsif untuk Aksi Inovatif dan Pengabdian Masyarakat Journal of Innovative and Creativity Majalah Teknik Mesin
Gurruh Dwi Septano
Study Programme of Mechanical Engineering, Polytechnic PGRI Banten, Serang, Indonesia
Aerospace Engineering Agriculture, Biological Sciences & Forestry Humanities Automotive Engineering Chemical Engineering, Chemistry & Bioengineering Chemistry Computer Science & IT Control & Systems Engineering Decision Sciences, Operations Research & Management Dentistry Economics, Econometrics & Finance Education Electrical & Electronics Engineering Energy Engineering Environmental Science Health Professions Industrial & Manufacturing Engineering Languange, Linguistic, Communication & Media Materials Science & Nanotechnology Mathematics Mechanical Engineering Medicine & Pharmacology Nursing Public Health Social Sciences Veterinary Other

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COMPARATIVE ANALYSIS OF PRESSURE AND FLOW CHARACTERISTICS IN BASIC AND MODIFIED AIR COMPRESSOR PIPELINE USING COMPUTATIONAL FLUID DYNAMICS IN POWER PLANT TANJUNG ENIM 3X10 MW Septano, Gurruh Dwi; Ramadhoni, Tri Satya; Sumarna, Herlin
Media Mesin: Majalah Teknik Mesin Vol. 25 No. 1 (2024)
Publisher : Universitas Muhammadiyah Surakarta

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.23917/mesin.v25i1.2815

Abstract

Air compressor plays a crucial role by converting electrical energy into kinetic energy in the form of compressed air. This study specifically concentrates on assessing the performance of two compressors that operate alternately, with one compressor in standby mode. Unfortunately, compressor unit #1 faced issues with its drying system, rendering it unable to function within the current pipe network. In order to rectify this, proposed modifications to the pipeline network are introduced and scrutinized. To analyze these modifications, Computational Fluid Dynamics (CFD) is employed to evaluate and compare pressure and flow characteristics in both the existing and modified pipe configurations. The CFD analysis utilizes computer engineering software, with SolidWorks serving as the primary modeling and simulation tool. The assumption is made that the Reynolds number corresponds to laminar flow, factoring in pipe diameter and compressor volume rate.The resulting CFD data offers valuable insights into pressure and velocity distributions within the existing and modified pipeline networks. During the pressure simulation, surface pressure and output on both standard and modified pipes exhibit relatively similar pressure values at 7 bar. However, in the air velocity simulation, surfaces of standard and modified pipes maintain a consistent range of 0 – 5 mm/s. Notably, from the pipe output side, air velocity in standard and modified pipes displays distinct speed contours. Standard pipes show the highest speed between 0.25 – 0.38 mm/s, whereas modified pipes exhibit the highest speed within the range of 0.15 – 0.2 mm/s. This study aims to provide a comprehensive evaluation of the proposed modifications, seeking to enhance understanding of the fluid dynamics within air compressor systems. The outcomes of this research have the potential to contribute significantly to optimizing the performance and efficiency of these systems, thereby offering benefits across various industrial applications.
Analysis of User Experience (UX) and User Interface (UI) on Digital Banking Applications to Increase Customer Satisfaction in Banten Province Nafiz Annas; Rezty Arizta Putri; Deti Kurniati; Reni, Reni; Gurruh Dwi Septano
International Journal of Health, Economics, and Social Sciences (IJHESS) Vol. 7 No. 2: April 2025
Publisher : Universitas Muhammadiyah Palu

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.56338/ijhess.v7i2.7459

Abstract

Digital transformation in the banking sector has brought convenience to financial transactions through mobile banking applications. However, the quality of User Experience (UX) and User Interface (UI) is still a challenge, especially for people with low digital literacy. This service activity aims to improve the understanding and skills of the community in Banten Province in using digital banking applications effectively and safely. The implementation method includes an initial survey, simulation-based training, focus group discussions (FGDs), pre-post test evaluations, and the formation of village digital communities. The participants consisted of MSME players, housewives, and students, with a total of 120 people. The results of the activity showed a significant improvement in the digital literacy aspect, where the participants' understanding score rose from 52.3% to 83.7%. As many as 88% of participants were able to complete digital transactions independently after the training. The focus on digital security also increased user trust in the app. FGD findings indicated the need for improvement in application design, particularly interface navigation, icon size, and language simplification. Community-based UX/UI recommendations have been compiled and submitted to partner banks. The outputs of the activity include scientific articles, service reports, and the formation of a digital community forum for banking application users. This activity proves that an educative and participatory approach is able to answer the challenges of banking digitalization in real terms. This program is expected to become a replication model in an effort to increase digital financial inclusion based on local needs.
Detection of Damage Motor and Coal Crusher in Power Plant Tanjung Enim 3 X 10 MW Using Vibration Analysis Septano, Gurruh Dwi; Ikbal, Ikbal; Fathoni, Fathoni; Sriwijaya, Sayid Bahri; Putri, Salsanabila Mariestiara
Journal of Ocean, Mechanical and Aerospace -science and engineering- Vol 68 No 3 (2024): Journal of Ocean, Mechanical and Aerospace -science and engineering- (JOMAse)
Publisher : International Society of Ocean, Mechanical and Aerospace -scientists and engineers- (ISOMAse)

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.36842/jomase.v68i3.378

Abstract

Motor and coal crushers are critical in coal size reduction for efficient energy production. Continuous operation often impacts their functionality, necessitating effective maintenance methods. This study employs vibration analysis to monitor the health and detect potential faults in the motor and coal crusher. Vibration values, measured under load and no-load conditions, were analyzed in vertical, horizontal, and axial directions using ISO 10816 standards. Results show that while vibration levels remained within safe limits, increased readings in specific areas, particularly at the Crusher NDE in axial direction under load conditions, suggest potential issues like misalignment or bearing wear. Prominent vibration peaks at lower frequencies in the spectrum further support these findings. This research underscores the importance of routine vibration monitoring to preemptively address machine faults, ensuring optimized operation and minimized downtime. Vibration analysis proves effective for predictive maintenance and operational reliability in coal processing systems.
Perancangan Workbench Universal Dengan Mekanisme Scissor Lift Manual Gurruh Dwi Septano; Sayid Bahri Sriwijaya; Ikbal Ikbal; Linggar Ajong; Alfan Taftazani
Journal of Innovative and Creativity Vol. 3 No. 3 (2023)
Publisher : Fakultas Ilmu Pendidikan Universitas Pahlawan Tuanku Tambusai

Show Abstract | Download Original | Original Source | Check in Google Scholar

Abstract

The study purpose was to design and preliminarily validate a universal adjustable workbench that supports seated and standing bench-work activities in educational workshops, overcoming ergonomic limitations of fixed-height benches.Materials and methods. An engineering design–fabrication–testing approach was applied. The prototype was modeled in Autodesk Inventor and built using a manual scissor-lift mechanism actuated by an M10 grade 4.6 threaded bar. The work surface measured 1200 × 700 mm with an adjustable height range of ~75–110 cm. The frame used hollow steel sections (40×40×2.3 mm and 30×30×2 mm; mild steel, σy ≈ 240 MPa) and a double-layer 10 mm plywood tabletop. Actuator capacity was analytically verified using an effective stress area of 58 mm², yield strength 240 MPa, and a safety factor (SF) of 2. Performance evaluation included incremental static loading (100–280 kg), repeated height adjustment (≥50 cycles), and eccentric-load stability testing.Results. The threaded-bar analysis estimated a yield-limit capacity of ~6,276 N (≈640 kg), corresponding to a recommended safe working load of ~320 kg (SF=2). Physical tests up to 280 kg showed stable lifting and height holding with no permanent deformation of the screw or frame; cycle and eccentric-load tests indicated reliable operation under repeated and uneven loading within the tested range.Conclusions. The manual scissor-lift adjustable workbench achieved functional adjustability and demonstrated promising structural stability for workshop/laboratory use. Further work should extend load testing to the recommended safe limit and add quantitative ergonomic posture assessment to substantiate ergonomic benefits.
Penerapan Inovasi Rocket Stove (Tungku Pembakaran Sampah) Sebagai Solusi Pengelolaan Limbah Rumah Tangga di Desa Luwuk Gurruh Dwi Septano; TB Ade Rahmatullah; Nafiz Annas; Jafar Sodik; Bani Valeriano Akbar; Angel Tania
Jurnal Kemitraan Responsif untuk Aksi Inovatif dan Pengabdian Masyarakat Volume 1 Issue No. 2: January 2024
Publisher : Lontara Digitech Indonesia

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.61220/

Abstract

Masalah penanganan sampah rumah tangga masih jadi masalah utama di Desa Luwuk, terutama karena adanya kebiasaan membakar sampah secara terbuka yang merugikan kesehatan dan lingkungan. Kegiatan Kuliah Kerja Nyata (KKN) ini bertujuan untuk memperkenalkan dan menerapkan inovasi Rocket Stove sebagai alternatif pengelolaan sampah organik yang lebih efisien dan ramah lingkungan. Cara pelaksanaannya meliputi observasi, sosialisasi, pelatihan membuat alat, uji coba, serta evaluasi bersama masyarakat setempat. Hasil kegiatan menunjukkan bahwa Rocket Stove mampu membakar sampah organik secara lebih efektif dengan asap yang minim. Selain memberikan manfaat nyata, inovasi ini juga meningkatkan kesadaran warga tentang pentingnya mengelola sampah secara mandiri dan berkelanjutan. Dengan pendekatan yang melibatkan masyarakat dan didukung warga, Rocket Stove berpotensi menjadi solusi jangka panjang dalam menciptakan lingkungan desa yang bersih dan sehat.
Evaluasi Uji Hydrotest dan Tindakan Perbaikan Terhadap Faktor Penyebab Kebocoran pada Boiler Combimax (Water Tube) Menggunakan Pompa Eletrik PT Thermax Internasional Indonesia Gurruh Dwi Septano; Sayid Bahri Sriwijaya; Dery Permana Maham Putra; Muhammad Reza Azhar; Zikrillah Ferias
Jurnal Kemitraan Responsif untuk Aksi Inovatif dan Pengabdian Masyarakat Volume 1 Issue No. 2: January 2024
Publisher : Lontara Digitech Indonesia

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.61220/

Abstract

Boiler merupakan komponen vital dalam sistem pembangkit uap yang digunakan secara luas di sektor industri. Salah satu metode penting dalam memastikan integritas dan keamanan sistem boiler adalah dengan melakukan hydrotest, yaitu pengujian tekanan menggunakan media cair untuk mendeteksi adanya kebocoran. Penelitian ini bertujuan untuk menganalisis penyebab kebocoran yang terjadi pada boiler Combimax tipe water tube di PT THERMAX INTERNATIONAL INDONESIA. dengan menggunakan pompa elektrik sebagai alat uji utama. Metodologi yang digunakan meliputi pengamatan langsung saat pelaksanaan hydrotest, pengumpulan data teknis tekanan dan aliran, serta identifikasi titik-titik kebocoran pada pipa dan sambungan. Hasil pengujian menunjukkan adanya beberapa area rawan bocor yang disebabkan oleh korosi internal, kegagalan sambungan las, dan tekanan operasi yang melebihi batas desain. Selain itu, efisiensi pompa elektrik dalam proses pengujian juga dianalisis untuk menilai kesesuaian alat terhadap standar pengujian tekanan yang berlaku. Kesimpulan dari penelitian ini menunjukkan bahwa pelaksanaan hydrotest dengan pompa elektrik dapat secara efektif mendeteksi potensi kebocoran, namun diperlukan prosedur perawatan dan inspeksi berkala untuk mencegah kerusakan lebih lanjut. Rekomendasi teknis juga disusun sebagai acuan bagi pengelolaan dan pengujian boiler di masa mendatang.
Pengaruh Beban Operasi terhadap Nilai Net Plant Heat Rate (NPHR) pada Pembangkit Listrik Tenaga Uap Herlin Sumarna; Tri Satya Ramadhoni; Gurruh Dwi Septano; Purfaji Purfaji; Toni Okviyanto
INSOLOGI: Jurnal Sains dan Teknologi Vol. 5 No. 2 (2026): April 2026
Publisher : Yayasan Literasi Sains Indonesia

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.55123/insologi.v5i2.7977

Abstract

This study aims to analyze the effect of variations in operating load on the Net Plant Heat Rate (NPHR) at a 3×10 MW coal-fired power plant. The independent variables examined are the generator operating loads at 50%, 75%, and 100%, while the dependent variable is the NPHR value. The research data consists of 30 samples distributed proportionally across each load level. Data analysis was performed using a one-way Analysis of Variance (ANOVA) to test the significance of differences in the mean NPHR values across the operating load variations. The results indicate that variations in operating load significantly affect the NPHR value (p-value < 0.05). The highest average NPHR value was obtained at 50% load at 4160 kcal/kWh, then decreased at 75% load to 3861 kcal/kWh, and reached the lowest value at 100% load at 3625 kcal/kWh. These results indicate that an increase in operating load correlates with a decrease in the NPHR value and an increase in the plant’s thermal efficiency. Thus, operating the coal-fired power plant under conditions approaching optimal design capacity can improve fuel efficiency and support the optimization of the plant’s operational performance.
Analysis of Hardness Level in Enim River for Demineralization Water Process in Thermal Power Plant Tanjung Enim Asri Alfiah Fajri; Tb. Ade Rahmatullah; Gurruh Dwi Septano; Nasaruddin
Jurnal Informasi dan Teknologi 2025, Vol. 7, No. 2
Publisher : SEULANGA SYSTEM PUBLISHER

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.60083/jidt.vi0.632

Abstract

Demineralization water is removal of dissolved ionic mineral impurities present in water and other liquids. Mineral content in water can cause crusts in power plant equipment such as boilers and turbine, lowering yield and selectivity values in the reaction process. The aim of the research is to diagnose the conditions of water process Tanjung Enim thermal power plant with standard value of ASME CRTD Vol. 34 and Power Plant water treatment standard. Demineralization Water treatment process starts from Multimedia Filter (MMF), Carbon Filter (CF), Reverse Osmosis (RO), Electrodeionization. Demineralization water sampling taken in January, february, march and April. The water sampling used in RAW Water, Feed RO, Electrodeionization process, feed water and boiler drum to measure the parameters of pH, conductivity, turbidity, Fe, Cl2 and Si02, P04 and ions of Na+, Fe+, Cu+ some of parameters result the fluctuative value but still in both of water treatment standard.
Co-Authors Alfan Taftazani Angel Tania Asri Alfiah Fajri Bani Valeriano Akbar Dery Permana Maham Putra Deti Kurniati Fathoni Fathoni Herlin Sumarna Ikbal Ikbal Ikbal Ikbal Jafar Sodik Linggar Ajong Muhammad Reza Azhar Nafiz Annas Nasaruddin Purfaji Purfaji Putri, Salsanabila Mariestiara Ramadhoni, Tri Satya Reni Reni, Reni Rezty Arizta Putri Sayid Bahri Sriwijaya Sriwijaya, Sayid Bahri Sumarna, Herlin TB Ade Rahmatullah Tb. Ade Rahmatullah Toni Okviyanto Tri Satya Ramadhoni Zikrillah Ferias