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All Journal FLYWHEEL : Jurnal Teknik Mesin Untirta POROS TEKNIK INTEKNA Jurnal Elemen Jurnal IMPACT: Implementation and Action Majamecha Scientific Journal of Mechanical Engineering Kinematika JTAM ROTARY Civitas Ministerium: Jurnal Pengabdian Kepada Masyarakat JURPIKAT (Jurnal Pengabdian Kepada Masyarakat) Accurate: Journal of Mechanical Engineering and Science Jurnal Mesin Nusantara Journal of Mechanical Engineering Automotive Experiences Jurnal Pengabdian Masyarakat Bhinneka Jurnal Teknik Mesin, Industri, Elektro dan Informatika Jurnal Penelitian Rumpun Ilmu Teknik AutoMech : Jurnal Teknik Mesin Jurnal Foundry Jupiter: Publikasi Ilmu Keteknikan Industri, Teknik Elektro dan Informatika Venus: Jurnal Publikasi Rumpun Ilmu Teknik Mars: Jurnal Teknik Mesin, Industri, Elektro dan Ilmu Komputer Jurnal Mesin Sains Terapan J-Proteksion : Jurnal Kajian Ilmiah dan Teknologi Teknik Mesin
Sigit Mujiarto
Jurusan Teknik Mesin, Fakultas Teknik, Universitas Tidar
Aerospace Engineering Agriculture, Biological Sciences & Forestry Humanities Automotive Engineering Chemical Engineering, Chemistry & Bioengineering Civil Engineering, Building, Construction & Architecture Computer Science & IT Control & Systems Engineering Dentistry Earth & Planetary Sciences Economics, Econometrics & Finance Education Electrical & Electronics Engineering Energy Engineering Industrial & Manufacturing Engineering Law, Crime, Criminology & Criminal Justice Materials Science & Nanotechnology Mechanical Engineering Physics Public Health Social Sciences Transportation Other

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Perancangan konseptual dan analisis termal water tube boiler berbasis pemanfaatan panas insinerator Umam Nashrullah; Nurmala Dyah Fajarningrum; Sigit Mujiarto
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.v10i2.10473

Abstract

National waste generation continues to increase each year, and a large proportion remains inadequately managed. One applicable treatment alternative is thermal processing using an incinerator, which produces heat energy that can potentially be utilized as an energy source for a boiler to generate steam. This study aims to obtain a conceptual design of a water tube boiler integrated with an incinerator with a capacity of 100 kg/h and to evaluate its structural strength through Finite Element Analysis (FEA)-based simulation. The methods used include energy balance calculation, heat transfer analysis, determination of the main dimensions, geometric modeling, and static structural simulation using SolidWorks software, with AISI 304 material and an operating pressure of 4 bar. The calculation results show that the available combustion heat energy is 680,000 kJ/h, with the boiler capacity set at 40 kg/h. The required heat transfer area is met using five heating tubes with a natural circulation system, and the maximum allowable working pressure (MAWP) is 1.156 MPa. The simulation results show a maximum von Mises Stress of 71.248 MPa at the junction between the drum and the water pipe, a maximum displacement of 0.217 mm, and a minimum Factor of Safety of 2.903, indicating that the structure is able to withstand the operating pressure. Based on the design and simulation results, the designed water tube boiler meets the specified capacity requirement and has adequate structural strength.
Pengaruh parameter suhu dan equivalence ratio terhadap kandungan tar pada gasifikasi limbah biomassa menggunakan ASPEN plus Nurbaity Khoirun Nissa; Arif Rahman Saleh; Arbye S Arbye S; Sigit Mujiarto
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.v10i2.10484

Abstract

Indonesia faces challenges in the transition toward cleaner and more sustainable energy, one of which is the utilization of rice husk biomass waste. Magelang Regency produces approximately 33,960 – 39,054 tons of rice husk per year, which has not been optimally utilized. Rice husk can be converted into synthesis gas through gasification, although this process produces tar that can clog equipment, cause corrosion, and reduce system efficiency. This study models the rice husk gasification process using ASPEN Plus software with a kinetic reaction approach at an operating temperature of 900°C, identified as the optimum temperature, and analyzes the effect of equivalence ratio (0.30, 0.35, and 0.40) on tar content and synthesis gas composition. The reactor model was developed through a drying stage using an RStoic block, pyrolysis using RYield and RGibbs blocks, and gasification using RPlug blocks divided into oxidation and reduction zones. The results show that increasing the equivalence ratio from 0.30 to 0.40 effectively reduces tar content from 0.03109 kg/Nm³ to 0.01206 kg/Nm³, while H2 content decreases from 14.01% to 11.66%, CO from 23.54% to 18.70%, and CH4 from 1.04% to 0.86%, whereas CO2 content increases from 5.95% to 8.23%. The condition of equivalence ratio 0.30 produced the best synthesis gas quality, while the lowest tar content was achieved at equivalence ratio 0.40.
Analisis kekuatan struktur pressure vessel penyimpanan syngas menggunakan finite element analysis (FEA) pada tekanan 35 bar Wahyu Tri Apriliyan; Sigit Mujiarto; Rany Puspita Dewi; 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.v10i2.10462

Abstract

Synthetic gas (syngas) is a gaseous product of biomass gasification primarily composed of hydrogen (H₂) and carbon monoxide (CO), making it a promising alternative energy source. However, the flammable and toxic nature of syngas requires a safe and efficient storage system. This study aims to analyze the structural strength of an Adsorbed Natural Gas (ANG)-based pressure vessel for syngas storage at an operating pressure of 35 bar using the Finite Element Analysis (FEA) method. The pressure vessel was designed in accordance with the ASME BPVC Section VIII Division 1 standard, while the numerical simulation was performed using SolidWorks 2022. The design resulted in a horizontal pressure vessel with an internal diameter of 1.26 m and shell and head thicknesses of 36 mm. The simulation results indicated a maximum von Mises stress of 116 MPa, a maximum displacement of 0.705 mm, and a factor of safety of 2.2. The maximum stress remained below the yield strength of SA516 Grade 70 steel, indicating that the pressure vessel design is structurally safe and suitable for operation at a pressure of 35 bar.
Co-Authors A.A. Ketut Agung Cahyawan W Abdul Ghofur Abdul Rozaq Abdul Rozaq Aditya Wahyu Ramadhan Agustian, Damai Ahmad Rifqi Shulkhan Akbar, Alvin Nurfaiz Akhmad Syarief Alansa, Adinda Maulida Putri Alfi Ferizqo Munawar Alfiansyah, Irsyad Ali Suhadla Alma Fadlillah Arbye S Arif Rahman Saleh Arif Rahman Saleh Armansyah, David Ari Arrizka Yanuar Atsnaa, Naila Tamaamil Audika, Trya Mega Bagas Tri Suryanto Bagus Lutfiwijaya Bambang Sudarmanta Bambang Sudarmanta, Bambang Catur Pramono Dewi, Rany Puspita Dzikron Muchlisin Endang Mawarsih Fachrizal, Muhammad Dian Fadlan, Mokhamad Roif Faisal Asnan Fakhri Iqbal Maulana Galih Sigit Setiadi Gyani Ubaydillah Hamzah Fansuri Hardinto, Raden Kelik Heri Soedarmanto Heri Soedarmanto, Heri Husen Khalwani Ibnu Maliq, Muhamad Noa Imam Agus Wahyudi Imam Maolana Kun Suharno Kun Suharno Kurniawan Setyo Anggoro Kurniyawan, Dwi Listyanda, R. Faiz Maolana, Imam Maolana, Imam Mohammad 'Ulyan Muhammad Firdaus Jauhari Muhammad Firdaus Jauhari, Muhammad Firdaus Muhammad Ja'far Ahsinul Rokhmat Muhammad Kasim Muhammad Kasim Muhammad Zaki Mujiarto, Trisma Jaya Murdjani Murdjani Murdjani, Murdjani Murdjani, Murdjani Nani dkk. Mulyaningsih Nani Mulyaningsih Nani Nazarudin Rif’at Rasyidi Noriansyah, Tandhu Bizaq Nur Hayati Nurbaity Khoirun Nissa Nurmala Dyah Fajarningrum Oktavia, Lisa Pebi Riyanto Pebri Akhrus Mahrun Prasetya, Jhunieva Eka Prayudhi, Raihan Azmi PRIYANTO, JOKO Raden Kelik Hardinto Rahayu, Yunita Rahman Saleh, Arif Raka Mahendra Sulistiyo Rany Puspita Dewi Rany Puspita Dewi Riswan Yunida Riswan Yunida, Riswan Ruswanto, Yofan Rasi Nusenda Salim, M. Faiz Setiyani, Slamet Siana, Nezar Azali Sigit Iswahyudi Sigit Joko Purnomo Sri Widodo Suliono Suliono Suliono Suliono Suyitno Suyitno Suyitno Taufik, Ikhwan Teguh Suprianto Teguh Suprianto Tri Retno Setiyawati Trisma Jaya Saputra Umam Nashrullah Wahid Nur Huda Wahyu Tri Apriliyan Yosian Bagas Mahendra Febriansyah