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All Journal Media Mesin: Majalah Teknik Mesin Briliant: Jurnal Riset dan Konseptual JPPM (Jurnal Pengabdian dan Pemberdayaan Masyarakat) Jurnal Teknik Mesin Indonesia Scientific Journal of Mechanical Engineering Kinematika Civitas Ministerium: Jurnal Pengabdian Kepada Masyarakat Journal of Mechanical Engineering Jurnal Teknik Mesin, Industri, Elektro dan Informatika Jurnal Penelitian Rumpun Ilmu Teknik Warta LPM TEKNOSIA Jurnal Sains Student Research Jurnal Mesin Sains Terapan
Trisma Jaya Saputra
Jurusan Teknik Mesin, Fakultas Teknik, Universitas Tidar
Aerospace Engineering Automotive Engineering Civil Engineering, Building, Construction & Architecture Computer Science & IT Control & Systems Engineering Economics, Econometrics & Finance Education Electrical & Electronics Engineering Energy Engineering Environmental Science Health Professions Industrial & Manufacturing Engineering Materials Science & Nanotechnology Mechanical Engineering Public Health Social Sciences Transportation Other

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Analisis Pengaruh Setting Celah Katup Terhadap Performa Motor 4 Langkah 110cc Husen Khalwani; Katon Wisnu Kartiko; M. Ida Bagus K.B; Yunus Bayu Saputro; Trisma Jaya Saputra
Jurnal Penelitian Rumpun Ilmu Teknik Vol. 2 No. 3 (2023): Agustus : Jurnal Penelitian Rumpun Ilmu Teknik
Publisher : Lembaga Pengembangan Kinerja Dosen

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.55606/juprit.v2i3.2126

Abstract

The background of this research is the adjustment of the valve gap which can affect the performance of the motorcycle engine. The purpose of this research is to describe and analyze the effect of valve clearance adjustment on engine performance and to overcome valve gap adjustment errors. The research was conducted in a motorcycle workshop, on a 4 stroke 110 cc motorcycle engine using a quantitative and informative method approach. Data were obtained through literature research and factory determination, observation and interviews. Then Several customization steps are carried out at the implementation stage, starting with standard customization, over and under standard settings. The research results decide the standard setting. It is hoped that the implementation of the analysis of the influence of valve settings on motorcycle engines will become material for our knowledge.
Pengaruh Penggunaan Knalpot Standart Dengan Racing Terhadap Torsi Dan Daya Sepeda Motor Yamaha Aerox 155CC Tahun 2018 Saeful Rohim; Anis Lathifudin; Syarif Hidayat; Cahyo Pono Sasmito; Trisma Jaya Saputra
Jurnal Penelitian Rumpun Ilmu Teknik Vol. 2 No. 3 (2023): Agustus : Jurnal Penelitian Rumpun Ilmu Teknik
Publisher : Lembaga Pengembangan Kinerja Dosen

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.55606/juprit.v2i3.2134

Abstract

The exhaust is part of the exhaust on the motorbike which is designed for exhaust gas exhaust paths and as a motor silencer. The exhaust system or often called the exhaust has an important role in the function of the exhaust (muffler) as a silencer and regulates the direction of flow of combustion gases so that they flow regularly. This study aims to examine the effect of exhaust changes on torque and power or performance of Aerox 155cc motorbikes. The maximum torque of the standard exhaust is 11.36 N.m and the power is 11.01 HP. On the racing exhaust, the torque is 11.14 N.m with a power of 11.33 HP. Changes in the exhaust affect motorcycle performance but not significantly.
Pengaruh Modifikasi Lift Camshaft dengan Bahan Bakar Pertamax terhadap Torsi dan Daya Mesin Motor 125 cc Husen Khalwani; Sigit Mujiarto; Trisma Jaya Saputra
Jurnal Penelitian Rumpun Ilmu Teknik Vol. 4 No. 2 (2025): Jurnal Penelitian Rumpun Ilmu Teknik
Publisher : Lembaga Pengembangan Kinerja Dosen

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.55606/juprit.v4i1.4857

Abstract

In this modern era, transportation is something that is needed by the general public, especially motorized vehicles, as evidenced by the presence of various new motorized vehicle products. However, the use of motorbikes that have been used daily for more than 5 years will experience a significant decrease in performance, this makes motorcycle owners want to improve the performance of the motorbikes they have. One step that can be taken to improve the performance of a motorcycle engine is to optimize the performance of the camshaft, so motorcycle owners do not need to change the cubic centimeter (cc) of their motorcycle but can optimize engine performance. In this study, the addition of camshaft lift variations of 1.5 mm using experimental methods to find the results of the effect of modifying the camshaft lift which will be adjusted to the engine capacity. The results of this study show an increase in torque and power which is quite significant with the highest torque results achieved on the modified camshaft addition of 1.5 mm lift of 8.6 Nm at 8000 rpm and power of 8.5 hp at 8000 rpm, this is due to the higher suction valve opening the greater the volume of air and fuel mixture entering the combustion chamber, resulting in an increase in torque and power.
Pemodelan Matematis Konsumsi Daya Belt Conveyor menggunakan Matlab untuk Analisis dan Optimasi Energi Ibnu Rosyid Ridwana; Trisma Jaya Saputra; Raka Mahendra Sulistiyo; Nurmala Dyah Fajarningrum; Arif Rahman Saleh
JOURNAL SAINS STUDENT RESEARCH Vol. 4 No. 5 (2026): Oktober: Jurnal Sains Student Research
Publisher : CV. KAMPUS AKADEMIK PUBLISING

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.61722/jssr.v4i5.12745

Abstract

Belt conveyor systems are material transport systems that require significant energy; therefore, mathematical models are needed to represent power requirements and energy consumption. This study aims to develop a mathematical model for belt conveyor power consumption based on the ISO 5048 standard and to evaluate its fit against actual data. The research involved modeling and simulation using MATLAB, testing inclination angles of 0°, 3°, 5°, 7°, 10°, 12°, and 15°, while maintaining a constant belt speed of 5 m/s and a conveying capacity of 900 tons/hour. Model parameters were estimated using the Least Square (LS) and Recursive Least Square (RLS) methods and compared with the Buckingham Pi approach. Evaluation was conducted using Goodness of Fit, Residual Error, Predicted vs. Actual analysis, Root Mean Square Error (RMSE), and the Coefficient of Determination (R²). The results indicate that the model effectively represents the actual data. The RLS method yielded the best performance, with an RMSE of 0.8442 and an R² of 0.9561, compared to 0.9603 and 0.9432 for LS, and 0.9751 and 0.9415 for the Buckingham Pi approach. Energy consumption increased from 24.8743 kWh at 0° to 103.47 kWh at 15°. The findings demonstrate that the developed mathematical model aligns with the fundamental concepts of ISO 5048 and is suitable for analyzing the power requirements and energy consumption of belt conveyors under the tested conditions.
Pengaruh variasi desain permukaan velocity stack terhadap daya dan torsi berbasis dynotest Muhammad Irdan Adhaqiqi; Trisma Jaya Saputra; Achmad Aziizudin
Jurnal Mesin Sains Terapan Vol 10, No 2 (2026): JURNAL MESIN SAINS TERAPAN
Publisher : Politeknik Negeri Lhokseumawe

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.30811/jmst.v10i2.10474

Abstract

Engine performance enhancement is typically achieved by modifying internal components; however, such methods entail higher costs and may compromise engine reliability. This study aims to analyze the effect of varying velocity stack surface designs on the power and torque of a standard 150 cc Yamaha Vixion engine. The velocity stacks were fabricated from PLA using 3D printing, featuring a length of 37 mm, an inclination angle of 10°, and three surface variations: smooth, dimpled, and spiral. Airflow characteristics were analyzed using Computational Fluid Dynamics (CFD) via Ansys Fluent, while performance testing was conducted using a dynamometer. The results indicate that velocity stack surface variations influence engine power and torque characteristics. The smooth velocity stack yielded the highest peak power of 15.62 hp at 8,230 rpm, whereas the dimpled velocity stack produced the highest peak torque of 14.17 Nm at 7,290 rpm. In addition to increasing power and torque compared to the standard velocity stack, the surface variations shifted the peak power and torque points to higher engine speeds. The CFD results corroborate the dynamometer test findings by demonstrating distinct airflow characteristics for each velocity stack design.
Perancangan dan analisis termal tabung pemanas berbasis heat exchanger coil menggunakan refrigeran R32 untuk sistem water jacket bioreaktor fermentasi kopi Bariq Firmanda; Trisma Jaya Saputra; Nur Hayati; Arif Rahman Saleh
Jurnal Mesin Sains Terapan Vol 10, No 2 (2026): JURNAL MESIN SAINS TERAPAN
Publisher : Politeknik Negeri Lhokseumawe

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.30811/jmst.v10i2.10485

Abstract

Temperature control is a crucial factor in the coffee fermentation process, as it influences both microbial activity and the quality of the final product. This study aimed to design a heating unit based on a shell-and-coil heat exchanger, utilizing R32 refrigerant as the heat source for the water jacket system of a coffee fermentation bioreactor. The design was developed using the Log Mean Temperature Difference (LMTD) method and subsequently validated through Computational Fluid Dynamics (CFD) simulation using ANSYS Fluent. Calculations yielded a heating unit with a capacity of 137.4 L, a coil length of 22.02 m, and a heat transfer rate of 1,354 W. Simulation results showed the water temperature rising from 27°C to 48°C, while the refrigerant temperature dropped from 90°C to 69.9°C. The simulation results differed from the theoretical values by approximately 2°C, indicating that the design effectively meets the heating requirements of the water jacket system. This research demonstrates that utilizing heat from an air conditioner condenser with R32 refrigerant offers a potential alternative for an efficient heating system in coffee fermentation bioreactors.
Analisis distribusi temperatur reaktor gasifikasi downdraft multi-stage berbasis kontainer menggunakan simulasi termal Alvin Indi Lazuardi; Trisma Jaya Saputra; Nur Hayati; Arif Rahman Saleh
Jurnal Mesin Sains Terapan Vol 10, No 2 (2026): JURNAL MESIN SAINS TERAPAN
Publisher : Politeknik Negeri Lhokseumawe

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.30811/jmst.v10i2.10458

Abstract

Coffee husk waste is a promising biomass resource for renewable energy production through gasification; however, its utilization remains relatively limited. This study aimed to design a container-based downdraft gasification reactor with a processing capacity of 50 kg/h and evaluate its thermal performance through temperature distribution analysis using SolidWorks Simulation. The reactor dimensions were determined based on stoichiometric calculations with an equivalence ratio (ER) of 0.3, resulting in a reactor diameter of 760 mm, a height of 1900 mm, a throat diameter of 234 mm, and a nozzle diameter of 34 mm. Thermal simulations were conducted under steady-state conditions using Stainless Steel (SS) 310S as the reactor material. The applied thermal loads were 269.651°C in the drying and pyrolysis zone, 759.150°C in the oxidation (throat) zone, 250.843°C in the reduction zone, and 140.045°C at the grate, with a natural convection boundary condition of 5 W/(m²·K). The results showed that the highest temperature of 759.150°C occurred in the throat region, while the maximum outer surface temperature reached approximately 59.566°C. The estimated convective heat loss to the surrounding environment was 0.78 kW, equivalent to only 0.31% of the biomass energy input, indicating that the selected SS 310S material and wall thickness configuration provided effective thermal insulation. These findings provide a practical reference for the design and thermal optimization of safe and efficient container-based biomass gasification reactors
Desain dan simulasi statik rangka alat sortir buah kopi Tegar Indarto; Nur Hayati; Arbye S. Arbye S.; Trisma Jaya Saputra; Arif Rahman Saleh
Jurnal Mesin Sains Terapan Vol 10, No 2 (2026): JURNAL MESIN SAINS TERAPAN
Publisher : Politeknik Negeri Lhokseumawe

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.30811/jmst.v10i2.10475

Abstract

Manual coffee cherry sorting has limitations in terms of capacity, consistency, and efficiency, making it necessary to develop a sorting machine with a strong, safe, corrosion-resistant, and cost-effective structure. This study aims to design the frame of a coffee cherry sorting machine and determine the most suitable materials for the frame and hopper through static structural simulation. The design was developed using SolidWorks, while the structural analysis was conducted using SolidWorks Simulation based on the Finite Element Analysis (FEA) method to evaluate the von Mises stress, displacement, and Factor of Safety (FOS). The simulation results indicate that Galvanized Steel is the most suitable material for the machine frame, as it provides safe structural performance with maximum stress below the material’s yield strength, low displacement, and Factor of Safety that satisfies engineering safety requirement. In addition, Galvanized Steel offers better corrosion resistance and material cost efficiency than the other evaluated materials. For the hopper, Stainless Steel 201 demonstrated the best performance, achieving an excellent structural strength and corrosion resistance for coffee cherry handling applications. Based on the static simulation and cost analysis, Galvanized Steel is recommended as the frame material, while Stainless Steel 201 is recommended as the hopper material because they provide the best balance of structural strength, safety, corrosion resistance, and cost efficiency
Co-Authors Achmad Aziizudin Aditya Win Prakoso Adityo Noor Setyo Hadi Dharmo Adzandani Muhammad Agung Raharjo Ahmad Rifqi Shulkan Alfi Ferizqo Munawar Alvin Indi Lazuardi Alvin Nurfaiz Andhi Pradhana Brimadhatu Narendra Anis Lathifudin Arbye S Ardhi Harist Hirosana Ari Irawan Ari Wicaksono Arif Rahman Saleh Aswin Prasetyo Nugroho Auzan Faizdaffa Hakim Aziz Rahatur Abdusukri Bagus Fatkhurrozi Bagus Yustia Bariq Firmanda Bramantyo Satrio Kinayungan Budi Wicaksono Ilyas Budi Prasetyo Cahyo Pono Sasmito Cahyo Sejati Chovin Prandya Arvinandika Putra Danu Prasetyo Dany Dwi Yulianto David Ari Armansyah Dedek Arya Pangestu Dida Ardito Yudhistira Dwi Istiyarno Dzilan Auliya Sulthon Evan Hardi Nurul Huda Faris Naufal Hanif Farkhan Setyawan Ferdyansah Ananta GALIH PRATAMA Herru Santosa Budiono Husen Khalwani Ibnu Rosyid Ridwana Ibrahim Nawawi Ilyas Azzindani Ilyas Hidayat Isro Nurul Hadi Ivan Hardi Nurul Ikhsan Katon Wisnu Kartiko Kholil Nur Ibrahim Khotibul Umam Lihananda Septianur Falah Lintang Riady Atmaja M. Ida Bagus K.B M.Abiyyu Raafi Marcellinus Tedy Kurniawan Masnurojak Bin Khanif Mochamad Riyanto Yanuar Mohamad Nanda Safitra Muhamad Nur Safi’i Muhamad Shohibun Amin Muhammad Adrian Rizky Muhammad Irdan Adhaqiqi Muhammad Lintang Saputra Muhammad Taufiqurrahman Muhammad Utsman Hanif Romadoni Muhammad Zanu Nur Arsyad Namariq Masna Nani dkk. Mulyaningsih Naufal Dwi Qurniawan Noviana Sari Nur Hayati Nurhadi Nurhadi Nurmala Dyah Fajarningrum Panca Putra Hasugian Pebi Riyanto Pitrah Rapi Ismail R Faiz Listyanda Rachmat Nurcahyo Raka Mahendra Sulistiyo Raka Mahendra Sulistyo Ranny Puspita Dewi Rany Puspita Dewi Reny Susanti Rezananda Rifky Gunawan Rony Irawan Rozan Alifiyan Darmawan Ryo Armando Pratama Saeful Rohim Sigit Iswahyudi Sigit Joko Purnomo Sigit Mujiarto Sri Widodo Swastika Pascal Rafsanjanu Syahrul Pratomo Syarif Hidayat Tegar Indarto Tegar Jati Nugroho Tri Puji Rahayu Vicky Khoirul Arzaq Wandi Arnandi Wegig Pranata Jaya Wibi Adrian Fahrezi Xander Salahudin Yunus Bayu Saputro Yusuf Prasetya Darmawan