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All Journal Jurnal Informasi dan Teknologi Budimas : Jurnal Pengabdian Masyarakat International Journal of Health, Economics, and Social Sciences (IJHESS) Journal of Ocean, Mechanical and Aerospace -science and engineering- (JOMAse) Jurnal Teknik dan Science (JTS) Journal of Innovative and Creativity Majalah Teknik Mesin
Gurruh Dwi Septano
Study Programme of Mechanical Engineering, Polytechnic PGRI Banten, Serang, Indonesia
Religion Aerospace Engineering Humanities Automotive Engineering Civil Engineering, Building, Construction & Architecture Computer Science & IT Control & Systems Engineering Decision Sciences, Operations Research & Management Economics, Econometrics & Finance Education Electrical & Electronics Engineering Energy Engineering Industrial & Manufacturing Engineering Languange, Linguistic, Communication & Media Materials Science & Nanotechnology Mathematics Mechanical Engineering Public Health Social Sciences 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.
Analysis of Hardness Level in Enim River for Demineralization Water Process in Thermal Power Plant Tanjung Enim Fajri, Asri Alfiah; 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.
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.
Identifikasi dan Diagnosis Kinerja Pompa Diafragma Wilden P200 Berbasis Computational Fluid Dynamics Menggunakan Solidworks Tb. Ade Rahmatullah; Septano, Gurruh Dwi; Kristianti, Tika; Nasaruddin; Riyanto
Jurnal Teknik dan Science Vol. 5 No. 1 (2026): Februari : Jurnal Teknik dan Science
Publisher : Asosiasi Dosen Muda Indonesia

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.56127/jts.v5i1.2511

Abstract

The Wilden P200 diaphragm pump is a critical component in fluid transfer systems; therefore, the stability of its performance has a direct impact on operational efficiency. In actual operating conditions, a significant reduction in the actual flow rate compared to the theoretical flow rate was identified, indicating performance degradation as well as potential non-compliance of the installation with the manufacturer’s recommended standards. This study was conducted using an inspection and fault diagnosis approach to systematically identify the root causes of the problem. The methodology included visual and functional inspection of components, observation of the piping installation, measurement of operating parameters, and performance analysis based on a comparison between actual and theoretical flow rates. The evaluation involved flow rate testing, volumetric efficiency assessment, and inspection of supporting components such as filters, check valves, and piping. The initial inspection results indicated the presence of flow restrictions, increased pressure losses, and a reduced capability of the pump to transfer fluid efficiently. To support the diagnostic process, Computational Fluid Dynamics (CFD) simulations were employed to visualize the pressure distribution, flow patterns, and potential pressure losses within the pump and piping system. The simulation results revealed high-pressure zones, flow constrictions, and significant pressure gradients, which were consistent with field observations, such as malfunctioning filters and sediment accumulation within the piping. Based on the combined results of field inspections and CFD analysis, it can be concluded that the performance degradation of the Wilden P200 pump is caused by a combination of component wear, filter malfunction, and the absence of routine inspection and maintenance procedures. These conditions lead to increased flow resistance and pressure losses, directly resulting in a reduction in the pump’s actual flow rate. The findings of this study are expected to serve as a basis for system improvements and the development of more effective maintenance strategies to prevent similar failures in future operations
PENGEMBANGAN WEBSITE DESA SUKALABA GUNUNGSARI MENGGUNAKAN GOOGLE SITES SEBAGAI MEDIA INFORMASI DAN LAYANAN PUBLIK Septano, Gurruh Dwi; Heny Fitriani; R. Dewi Mutia Farida; Sumarno; Safira, Dela; Herlina, Levi
BUDIMAS : JURNAL PENGABDIAN MASYARAKAT Vol. 8 No. 1 (2026): BUDIMAS : Jurnal Pengabdian Masyarakat
Publisher : LPPM ITB AAS Indonesia Surakarta

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.29040/budimas.v8i1.18294

Abstract

Pelaksanaan kegiatan ini membahas pengembangan Situs Web Desa Sukalaba Gunungsari menggunakan Google Sites sebagai platform yang gratis, sederhana, dan mudah dikelola. Situs web ini dirancang sebagai media informasi, transparansi pemerintahan, promosi UMKM, dan layanan administrasi bagi masyarakat. Menu-menu utama meliputi: Beranda, Profil Desa, Sejarah, Visi dan Misi, Struktur Organisasi, Batas Wilayah Administrasi, Administras Kegiatan Masyarakat, Berita Terkini, UMKM, Layanan Publik, dan Hubungi Kami, Pelaksanaan kegiatan ini menggunakan metode kualitatif dengan pendekatan studi kasus. Data diperoleh melalui wawancara dengan perangkat desa, observasi kebutuhan masyarakat, dan uji kegunaan situs web.Hasil pelaksanaan kegiatan menunjukkan bahwa situs web ini meningkatkan akses informasi, mempercepatlayanan publik, dan berfungsi sebagai media promosi UMKM. Evaluasi menunjukkan bahwa 88% responden menganggap situs web ini mudah digunakan dan 84% menyatakan bahwa layanan administrasi daring lebih praktis daripada sebelumnya.
Co-Authors Alfan Taftazani Deti Kurniati Fajri, Asri Alfiah Fathoni Fathoni Heny Fitriani Herlina, Levi Ikbal Ikbal Ikbal Ikbal Kristianti, Tika Linggar Ajong Nafiz Annas Nasaruddin Putri, Salsanabila Mariestiara R. Dewi Mutia Farida Ramadhoni, Tri Satya Reni Reni, Reni Rezty Arizta Putri Riyanto Safira, Dela Sayid Bahri Sriwijaya Sriwijaya, Sayid Bahri Sumarna, Herlin Sumarno Tb. Ade Rahmatullah