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All Journal Jurnal Online Mahasiswa (JOM) Bidang Teknik dan Sains JOURNAL OF MECHANICAL ENGINEERING, MANUFACTURES, MATERIALS AND ENERGY Jurnal Review Pendidikan dan Pengajaran (JRPP) JTTM: Jurnal Terapan Teknik Mesin INTERNATIONAL JOURNAL OF MECHANICAL COMPUTATIONAL AND MANUFACTURING RESEARCH International Journal of Science and Environment Abdimas Terapan: Jurnal Pengabdian Kepada Masyarakat Terapan JCSE: Journal of Community Service and Empowerment TANJAK : Jurnal Pengabdian Kepada Masyarakat
Burhan Hafid
Politeknik Negeri Bengkalis
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Experimental study of pressure effects on the thermal performance of trap pipes in a horizontal water-tube boiler Kurniawan, Irwan; Burhan Hafid; Jumarizan; Maksum
JTTM : Jurnal Terapan Teknik Mesin Vol 7 No 2 (2026): JTTM: Jurnal Terapan Teknik Mesin
Publisher : Teknik Mesin - Universitas Muhammadiyah Cileungsi

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.37373/jttm.v7i2.2281

Abstract

Boiler systems are widely used in industrial processes to convert fuel energy into thermal energy in the form of steam. Improving boiler thermal performance is essential to reduce fuel consumption, operating costs, and energy losses. One approach to enhance energy utilization is the recovery of residual heat from flue gases. In water-tube boilers, additional heat recovery components such as trap pipes can be installed along the flue gas path to capture unused thermal energy before it is discharged through the exhaust system. However, the thermal contribution of trap pipes in small-scale boilers operating at relatively low pressures has not been widely investigated. This study aims to experimentally evaluate the influence of operating pressure on the thermal performance of trap pipes installed in a horizontal water-tube boiler system. The experimental setup consists of a boiler with a water capacity of 588 liters fueled by waste oil. The trap pipe assembly includes 30 tubes with an outer diameter of 27 mm and a length of 398 mm, providing a total effective heat transfer area of 1.013 m². Experiments were conducted at operating pressures of 1, 2, 3, and 4 bar under steady-state conditions. Thermal performance was assessed using energy balance analysis to determine trap pipe efficiency, surface heat flux, and total heat loss. The results indicate that increasing operating pressure enhances the heat recovery capability of the trap pipe system. Trap pipe efficiency increased from 2.54% at 1 bar to 3.95% at 4 bar, while the surface heat flux showed a slight rise from approximately 16.75 kW/m² to 16.90 kW/m². Despite this improvement, total heat loss increased significantly with pressure due to higher fuel consumption and greater temperature gradients. These findings suggest that pressure elevation improves local heat transfer but also intensifies energy dissipation, indicating a thermodynamic trade-off in boiler operation
Penguatan Branding dan Digital Marketing Produk Kerajinan Lidi Sawit pada Umkm  “Rezki Kreasi Lidi” Di Kota Dumai Eli Anggre Yeny; Andri Nofiar. Am; Burhan Hafid; M. Alkadri Perdana
JCSE: Journal of Community Service and Empowerment Vol. 7 No. 1 (2026): JCSE April 2026
Publisher : LP3M Universitas Putra Bangsa

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.32639/n7zckd02

Abstract

Digital technology provides opportunities for MSMEs to improve marketing and business competitiveness. However, MSME “Rezki Kreasi Lidi” in Dumai City had not utilized digital media optimally. This community service activity aimed to strengthen branding and improve digital marketing through Google My Business optimization, social media development, and digital promotional content creation. The methods used included observation, SWOT analysis, STP analysis, and digital marketing assistance. The results showed increased business visibility, wider market reach, active social media usage, and increased monthly income from Rp500,000 to Rp735,000. This activity indicates that digital marketing can improve the competitiveness of environmentally friendly palm stick handicraft MSMEs.
Mekanisasi Pada Kegiatan Nelayan Di Desa Deluk Kecamatan Bantan Kabupaten Bengkalis Imran Imran; Irwan Kurniawan Irwan Kurniawan; Burhan Hafid Burhan Hafid
TANJAK : Jurnal Pengabdian Kepada Masyarakat Vol 7 No 1 (2026): TANJAK : Jurnal Pengabdian Kepada Masyarakat
Publisher : P3M Politeknik Negeri Bengkalis

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.35314/6fcyrf93

Abstract

Kegiatan menangkap ikan  di laut dengan menggunakan jaring tansi dengan Panjang mencapai 1190 m sangat berat dilakukan oleh nelayan yang berusia senja karena membutuhkan waktu yang lama dan kegiatan ini sangat menguras tenaga fisik nelayan karena adakalanya laut bergelombang besar dan arus laut menarik jaring dengan kuatnya sehingga dapat menyebabkan kelelahan dan menurunkan produktifitas nelayan. Hal ini yang dialami oleh nelayan di Desa Deluk Kecamatan Bengkalis dalam melakukan kegiatan menangkap ikan di laut. Penelitan ini bertujuan untuk menggantikan tenaga manusia sebagai penarik jaring dengan mekasnisasi alat penarik jaring dengan menggunakan mesin sebagai penarik jaring sehingga dapat meningkatkan produktivitas kerja, menjaga keselamatan dan Kesehatan kerja di laut. Penelitian ini menggunakan pendekatan kualitatif deskriptif dengan Teknik pengumpulan data melalui observasi langsung, wawancara dan dokumentasi. Temuan menunjukkan bahwa mekanisasi alat  penarik jaring tansi berdampak positif terhadap produktifitas kerja, keselamatan dan kesehatan  nelayan secara keseluruhan.
Experimental Study of the Performance of the Calpeda B Cm 20e Type Centrifugal Pump as a Practical Tool Eldion Sinambela; Abdul Gafur; Burhan Hafid
International Journal of Science and Environment (IJSE) Vol. 6 No. 2 (2026): May 2026
Publisher : CV. Inara in Colaboration with www.stie-sampit.ac.id

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.51601/ijse.v6i2.731

Abstract

Centrifugal pumps are widely used in industrial applications and educational laboratories because of their simple construction, ease of operation, and ability to provide a stable flow rate. This study aims to analyze the performance of the CALPEDA BCM 20E centrifugal pump through experimental testing as a laboratory learning medium. In addition, the study develops a practical testing system by integrating transparent piping and a digital flow meter to improve the accuracy of flow rate measurements and enable direct observation of fluid flow. The research employs an experimental method by operating the pump under several operating conditions to obtain data on flow rate, total head, hydraulic power, shaft power, and pump efficiency. The collected data are analyzed using fundamental fluid mechanics equations and centrifugal pump performance characteristics and are presented in the form of tables, graphs, and performance curves. The developed laboratory equipment is expected to improve students' understanding of fluid flow phenomena and the relationship among flow rate, head, hydraulic power, and pump efficiency. The findings of this research are expected to provide useful information for evaluating centrifugal pump performance and support the development of more effective and interactive laboratory learning media.
Experimental Analysis of Major and Minor Flow Losses in Centrifugal Pump Piping Systems Syakri Syakri; Burhan Hafid; Abdul Gafur
International Journal of Science and Environment (IJSE) Vol. 6 No. 2 (2026): May 2026
Publisher : CV. Inara in Colaboration with www.stie-sampit.ac.id

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.51601/ijse.v6i2.753

Abstract

Pumping and piping systems play a crucial role in transporting fluids in industrial and laboratory applications. However, energy losses occurring within the piping network can significantly reduce hydraulic performance and overall system efficiency. This study aims to experimentally analyze major and minor head losses in a centrifugal pump piping system under controlled laboratory conditions. The experimental setup employed a ½-inch PVC pipe with three piping configurations, namely a straight pipe, a 45° elbow, and a 90° elbow. Flow conditions were varied by adjusting the valve opening to produce different discharge rates. The measured parameters included flow rate and pressure difference, while flow velocity, Reynolds number, major head loss, and minor head loss were determined through standard fluid mechanics calculations. The experimental results indicate that increasing the flow rate leads to a significant increase in total head loss due to higher flow velocity and greater friction along the pipe wall. Furthermore, the 90° elbow generated higher minor head loss than the 45° elbow because the sharper change in flow direction produced stronger turbulence. These findings are consistent with fluid flow theory and demonstrate that both flow rate and fitting geometry have a substantial influence on energy losses. The results can serve as a useful reference for designing and operating more efficient centrifugal pump piping systems.
Effect of Principal Cutting Edge Angle of High-Speed Steel Tools On The Machining Stability of Aluminium 6061 During Turning Nanang Kosim; Imran; Burhan Hafid
International Journal of Science and Environment (IJSE) Vol. 6 No. 2 (2026): May 2026
Publisher : CV. Inara in Colaboration with www.stie-sampit.ac.id

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.51601/ijse.v6i2.769

Abstract

The turning process is one of the most widely used machining operations to produce workpieces with the required dimensions and surface quality. The stability of the turning process is influenced by several machining parameters, one of which is the principal cutting edge angle (κr) of the cutting tool. Variations in the principal cutting edge angle affect the distribution of cutting forces, vibration characteristics, and machining stability. This study aims to analyze the effect of principal cutting edge angle variations of High-Speed Steel (HSS) cutting tools on the stability of the turning process of Aluminium 6061. The experiment was conducted using a conventional lathe with three principal cutting edge angle variations, namely 45°, 60°, and 90°. Other machining parameters, including spindle speed, feed rate, depth of cut, workpiece material, and cutting tool material, were maintained constant throughout the experiment. Machining stability was evaluated based on vibration measurements using a vibration meter, and each experimental condition was repeated three times. The experimental data were analyzed using One-Way Analysis of Variance (ANOVA). The results indicated that the average vibration values for κr angles of 45°, 60°, and 90° were 0.933 mm/s, 0.740 mm/s, and 0.743 mm/s, respectively. Statistical analysis showed a significant effect of principal cutting edge angle variation on vibration level (F = 50.82, p < 0.05). Among the tested angles, the 60° principal cutting edge angle produced the lowest vibration level, indicating the highest turning process stability. These findings demonstrate that selecting an appropriate principal cutting edge angle can improve machining stability and optimize turning performance for Aluminium 6061.
Co-Authors Abdul Gafur Abdul Gafur Albert Hendi Yanto Larosa Am, Andri Nofiar Anak Agung Gede Sugianthara Andri Nofiar. Am Ari Purnomo Asry, Wina Bustami Bustami Derlini, Derlini Dewi, Dian Kemala Dzulhijjah Yetti Eldion Sinambela Eli Anggre Yeny Erwen Martianis Etanto Heiliano Wijayanto Harmi Yelmi Ibnu Hajar Ibnu Hajar Imran Imran Imran Indra Habibie Irwan Kurniawan Irwan Kurniawan Irwan Kurniawan Irwansyah Jumarizan Larbiel Hadi Larosa, Albert Hendi Yanto Lubis, Yakmuri M. Muttaqin MAKSUM Mohammad Alkadri Perdana Muhammad Anshar Muhammad Idris Murdani Nanang Kosim Nurbit Nurbit Nurkholis Rahmad Akbar Reinaldi Teguh Setyawan Rifaldo, Zulpikar Siagian, Tony Silalahi, Anita Rahayu Silvany, Rika Siti Umira Sumawijaya, Sumawijaya Syakri Syakri Tri Kurniaty Weriono Yakmuri Lubis Yedi Sispurwanto Zakir Husin