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All Journal Rotasi Jurnal Keteknikan Pertanian Jurnal Ilmiah Teknik Mesin STEAM Engineering : Journal of Science, Technology, Education And Mechanical Engineering Jurnal Konversi Energi dan Manufaktur International Journal of Engagement and Empowerment (IJE2) Public Health and Safety International Journal (PHASIJ) Engineering and Technology International Journal (EATIJ) Indonesian Journal of Advanced Social Works (DARMA)
Siahaan, Herbert Hasudungan
Universitas Mpu Tantular
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 Education Electrical & Electronics Engineering Energy Engineering Health Professions Industrial & Manufacturing Engineering Materials Science & Nanotechnology Mechanical Engineering Medicine & Pharmacology Nursing Public Health Social Sciences Veterinary Other

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Rancang Bangun dan Pengujian Penghalang Heliks sebagai Pencampur Udara-Biogas pada Motor Otto Herbert Hasudungan Siahaan; Armansyah H Tambunan; Desrial; Soni Solistia Wirawan
Jurnal Keteknikan Pertanian Vol. 8 No. 3 (2020): Jurnal Keteknikan Pertanian
Publisher : PERTETA

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.19028/jtep.08.3.89-96

Abstract

A helical barrier as air-biogas mixing device was designed and tested for direct use of biogas from digester in otto cycle generator set. Homogeneity of the air-fuel mixture can give better combustion reaction and increase engine power. The design was based on simulation, which shows that a 0.039 m length of helical barrier gave a 5% increase in power compared to non-helical barrier. Likewise, the simulations also showed that the helical barrier reduced specific fuel consumption (SFC) by 8%. Accordingly, the mixer with helical barrier was designed, and fabricated. Its performance test confirms the improvement resulted by using helical barriers as air-biogas mixer in the engine. The experiment showed that the power increased by 5% when using helical barrier, while SFC decreased by 4.5%. It is concluded that the helical barrier can increase the homogeneity of the mixture resulting in better engine performance. Besides, emissions produced from the engine using a helical barrier also decreased.
GROWING COMMUNITY CARE FOR A CLEAN AND WASTE-FREE ENVIRONMENT IN PONDOK BAMBU VILLAGE, DUREN SAWIT DISTRICT, EAST JAKARTA Edison Hatoguan Manurung; Bantu Hotsan Simanullang; Pahala Sinambela; Andri Waskito; Parulian Naibaho; Herbert Hasudungan Siahaan
International Journal of Engagement and Empowerment Vol. 2 No. 1 (2022): International Journal of Engagement and Empowerment
Publisher : Yayasan Education and Social Center

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.53067/ije2.v2i1.50

Abstract

The application of a clean and healthy lifestyle should become a daily habit. Management is fully felt by humans, management in the utilization of natural resources in addition to promoting general welfare as well as to achieve happiness in life and the way of its efforts must pay attention to the preservation of the ability of the living environment in a harmonious and balanced manner to support sustainable development. The purpose of this activity is to create a sense of community concern for a clean and waste-free environment. Meanwhile, the benefit of this activity is to raise public awareness of Pondok Bambu Village, Duren Sawit District, East Jakarta or those who are not in the area so as not to litter. Program activities carried out through 1) Physical group programs, namely the creation of a sign appealing to the community to always keep the environment clean and the provision of trash bins for the surrounding community, so that they can always maintain the cleanliness of the local environment in order to create a clean, tidy and free of waste environment. 2) Non-physical group programs, namely: carrying out mutual cooperation activities to clean the environment to provide an example to the local community so that it can create a sense of empathy for the local community towards environmental cleanliness. 3) Additional group programs, namely: holding a simple event to inaugurate and legalize the installation of signs and trash bins which were inaugurated and legalized by all regional officials
Village Community Creativity Through IT (Case Study of SMP Plus Bina Terampil Desa Sukasari Kecamatan Rumpin Bogor) Edison Hotaguan Manurung; Herbert Hasudungan Siahaan; Kasimir Sawito; Bantu Hotsan Simanullang; Rizki Abdullah; Ikbal Iskandar; Fatimah Marthaliza; Safrianus Hardi Farno; Ilham Laia; Agus Sulaeman
Indonesian Journal of Advanced Social Works Vol. 1 No. 1 (2022): December, 2022
Publisher : PT FORMOSA CENDEKIA GLOBAL

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (550.74 KB) | DOI: 10.55927/darma.v1i1.2828

Abstract

Technological developments in the 4.0 era have shot up. Almost all activities are carried out digitally. Some things that used to be done manually are now being done with a computer, such as drawing which used to be done using a pencil, now drawing can be done using a computer. Through this KKN program, we want to teach students of SMP Plus Bina Skilled, Sukasari Village, Rumpin District, Bogor Regency, how to draw/design posters through the Canva application. This poster design can not only be for business, but used in other fields such as invitation posters or event posters.
Analisis Sistem Mekanik Beserta Unjuk Kerja Sepeda Listrik dengan Metode Reverse Engineering sebagai Sarana Transportasi Ramah Lingkungan Rolan Siregar; Herbert Hasudungan Siahaan; Alvi Akhsan Maulana; Hafizh Guntur Jabbaruladli
ROTASI Vol 25, No 3 (2023): VOLUME 25, NOMOR 3, JULI 2023
Publisher : Departemen Teknik Mesin, Fakultas Teknik, Universitas Diponegoro

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.14710/rotasi.25.3.9-15

Abstract

Pokok permasalahan transportasi saat ini adalah polusi dan ketersediaan bahan bakar fosil. Sehingga kendaraan yang menggunakan bahan bakar minyak mulai diganti dengan kendaraan listrik. Indonesia merupakan salah satu negara yang mengambil bagian dalam pengembangan kendaraan listrik. Namun yang menjadi masalah adalah tingginya persaingan pasar dengan adanya produk import dari luar negeri. Maka dari itu, diharapkan adanya peranan peneliti untuk mempublikasikan hasil pemikirannya berkaitan dengan proses manufaktur kendaraan listrik. Dengan harapan publikasi tersebut dapat diakses dengan mudah oleh praktisi dalam negeri untuk menciptakan produk lokal. Oleh karena itu, pada penelitian ini dilakukan rancangbangun salah satu kendaraan listrik yaitu sepeda listrik. Rancangbangun ini akan memiliki kontribusi besar dalam peningkatan pembuatan produk dalam negeri. Sehingga kemandirian bangsa mulai dapat terpenuhi dengan mengurangi ketergantungan produk luar negeri. Tujuan utama dalam penelitian ini adalah menentukan konsep desain yang ideal dan ergonomic sesuai pengguna masyarakat Indonesia, menghitung spesifikasi komponen yang dibutuhkan untuk merakit sepeda listrik, melakukan pabrikasi dengan bahan komponen dalam negeri, melakukan uji unjuk kerja sehingga dapat diketahui performa produk tersebut. Metode penelitian ini dilakukan dengan reverse engineering yaitu dengan pengamatan dan pengembangan dari produk yang sudah ada. Secara umum hasil pengujian unjuk kerja menampilkan hasil yang sesuai ekspektasi, yaitu jarak tempuh mencapai 43 km dalam satu siklus drive. Sehingga dengan adanya riset ini diharapkan dapat digunakan oleh semua pihak berkepentingan untuk peningkatan produksi barang dalam negeri.
Instalasi Dan Commisioning Compressed Natural Gas Compressor Type P95B 2BVTN3 Kapasitas 990 SM3/H Wibowo, Cahyo; Siahaan, Herbert Hasudungan; T, Ojakma Sihar Panaili
Engineering and Technology International Journal Vol 6 No 02 (2024): Engineering and Technology International Journal (EATIJ)
Publisher : YCMM

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.55642/eatij.v6i02.746

Abstract

Pada saat ini bahan bakar bukan yang dihasilkan dari bumi sudah sangat menipis dan emisi gas yang dihasilkan oleh bahan bakar sangat mempengarhui terjadinya peningkatan pemanasan global. Untuk itu diperlukan substitusi bahan bakar yang lebih ramah lingkungan dengan emisi gas sekecil mungkin. Natural gas adalah bahan bakar yang saat ini digunakan sebagai salah satu alternatif pengganti bahan bakar minyak. Pengelolaan gas alam memerlukan berbagai sistem tata Kelola antara lain pendistribusian gas menggunakan sistem virtual gas paping atau disebut dengan gas alam terkompresi. Gas tersebut didistribusikan menggunakan tangki bertekanan tinggi dari stasiun pengisian gas alam ke masing-masing pengguna atau pelanggan. Salah satu faktor yang memenuhi kriteria distribusi gas adalah tekanan gas yabg didistribusikan ke pengguna, tekanan gas tersebut harus mampu disimpan pada tekanan tinggi yang pada umumnya berkisar antara 200 bar sampai 250 bar. Untuk mencapai tekanan tersebut diperlukan gas kompresor yang mampu menekan gas hingga 250 bar yaitu piston double acting. Untuk mendapatkan mesin yang mampu melakukan kompresi sesuai dengan karakteristik yang diperlukan maka penyesuaikan dilakukan dalam perencanaan, pemilihan, design, instalasi, commissioning yang baik agar kapasitas yang diisyaratkan dapat terpenuhi dengan baik.
PENGARUH POWER SUPPLY TERHADAP KINERJA COOLER BOX MINI PADA SISTEM TERMOELEKTRIK PELTIER Dibyo Setiawan; Herbert Hasudungan Siahaan; Ferdiyansyah Ferdiyansyah; Cahyo Wibowo; Annisa Syafitri Kurniasetiawati
Steam Engineering Vol. 6 No. 1 (2024): STEAM Engineering, Vol. 6, No. 1, September 2024
Publisher : Program Studi Pendidikan Teknik Mesin, Fakultas Keguruan dan Ilmu Pendidikan, Universitas Palangka Raya

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.37304/jptm.v6i1.13073

Abstract

Indonesia has tropical climate characteristics, so it requires a cooling device where the utilization can be used as a room cooler and storage. Cooling machines generally use refrigerant working fluid in the compressor, refrigerant is a gas that is not environmentally friendly. So it is necessary to conduct alternative studies, that can replace refrigerant gas and simplify dimensions, weight, and convenience. This study was conducted to analyze the effect of applying a power supply on the performance of thermoelectric coolers. The experimental method applied 2 types of power supplies for thermoelectric Peltier coolers in cooling the mini cooler box space, then the 1400 ml capacity cooling room was given a varying volume of drinks. Analysis of the effect of using a power supply on the cooling performance of the mini cooler box on the thermoelectric Peltier system obtained the results that the time to reach the ambient temperature takes different times. The greater the load put into the box, the longer it takes to cool the drinking water. The greater the power supply ampere specifications, the better it is in accelerating the cooling rate but the power required is greater such as the application of the type of power supply with the type 20A.
Triangle Velocity Analysis of the Pelton Turbine Design in Microhydro Power Plant Setiawan, Dibyo; Yowando Putro Wicaksono; Herbert Hasudungan Siahaan; Cahyo Wibowo; Fisika Prasetyo Putra
Jurnal Konversi Energi dan Manufaktur Vol. 10 No. 1 (2025)
Publisher : Universitas Negeri Jakarta

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.21009/JKEM.10.1.4

Abstract

During the period of 29 years, the Central Java Provincial Government has implemented strategic research formulation for flood reduction efforts. One solution for flood management is building a dam. The built dam has the potential to generate electricity. The purpose of the activity is to analyze the turbine speed triangle from the results of the technical design. The method used is the analysis of the turbine speed triangle at an entry angle of 12-14°. The results of the triangle analysis obtained show the F value at 14-12° of 34695.5, 34761.6, and 34847.7 N.m. Torque at 14° were 5313, 5320, and 5330 N.m. Torque at 13° were 5363, 5370, and 5380 N.m. Torque 12° were 5401, 5409, and 5418 N.m. P at 14-12° were 641.5, 642.9, and 644.1 kW. The efficiency of ηo and ηm is 0.90 % and 0.95 %. The conclusion of the application of the turbine speed triangle analysis at an angle of 4-6° is that the optimum turbine efficiency is at an opening angle of 12° with the ability to increase turbine power by 14.79 % and efficiency by 14.66 %.
Studi Perencanaan dan Analisis Segitiga Kecepatan Turbin Pelton Pada Pembangkit Listrik Tenaga Mikrohidro Wicaksono, Yowando Putro; Siahaan, Herbert Hasudungan; Setiawan, Dibyo; Jakariya, Jakariya
Jurnal Ilmiah Teknik Mesin Vol 13 No 1 (2025): JURNAL ILMIAH TEKNIK MESIN
Publisher : Universitas Islam 45 Bekasi, Fakultas Teknik, Jurusan Teknik Mesin

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.33558/jitm.v13i1.5822

Abstract

Bendungan Jatibarang berpotensi membangkitkan listrik. Tujuan penelitian, merancang turbin dan analisa segitiga kecepatan. Metode yang digunakan eksperimen dengan kegiatan meliputi perhitungan debit andalan, tinggi jatuh efektif, rancangan turbin pelton dan Analisa segitiga kecepatan. Hasil penelitian diperoleh debit andalan 1.02m3/detik, tinggi jatuh efektif 68,03m, pipa pesat Ø0.727m, daya rencana 680.72kW, kecepatan spesifik 25.72rpm, putaran 350.41rpm, diameter luar Ø1.315m, lebar  431.04m, jumlah sudu 26buah, poros Ø0,070m, selanjutnya dilakukan analisa segitiga kecepatan untuk memperoleh gaya, torsi, daya dan efisiensi pada sudut keluar sudu 4°-6°. Hasil diperoleh menunjukkan F 34695.5N.m, 34761.6 N.m dan 34847.7N.m torsi 14° T 5313N.m, 5320N.m dan 5330N.m. torsi 13° T 5363N.m, 5370N.m dan 5380N.m. torsi 12° T 5401N.m, 5409N.m dan 5418N.m. P 641.5kW, 642.9kW dan 644.1kW. efisiensi ηo 0,90 dan efisiensi ηm 0,95.
Optimization and Efficiency of Energy Conversion Technology Integration in Hygiene Systems Wibowo, Cahyo; Hasudungan, Herbert; Panalili T, Ojakma Sihar; Setiawan, Dibyo; Mubina Dewadi, Fathan
Public Health and Safety International Journal Vol. 5 No. 01 (2025): Public Health and Safety International Journal (PHASIJ)
Publisher : YCMM

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.55642/phasij.v5i01.961

Abstract

The integration of energy conversion technologies in hygiene systems plays a crucial role in enhancing energy efficiency and reducing overall power consumption. This study explores various approaches to optimizing energy conversion within hygiene applications, including heat recovery systems, biogas utilization, and solar energy integration. The findings indicate that the use of exhaust heat recovery in HVAC systems can reduce energy consumption by up to 25%, while biogas from organic waste can lower fossil fuel dependence by 30%. Additionally, the integration of solar energy in sterilization processes has been shown to increase efficiency by 40% in industrial settings. Moreover, the study highlights that combining multiple energy conversion technologies results in greater energy savings compared to standalone implementations. A system integrating heat recovery and solar energy, for instance, demonstrated a 50% reduction in energy consumption within industrial sanitation applications. Despite these advantages, challenges such as high initial investment costs and limited regulatory support hinder widespread adoption. The research emphasizes the need for an optimization-based approach that considers technical, economic, and regulatory aspects to maximize efficiency and sustainability. By addressing these factors, industries can enhance hygiene system performance while reducing operational costs and environmental impact. Future research should focus on developing specific optimization models for various industrial and medical sectors and assessing the long-term implications of implementing these technologies at scale.
Co-Authors Agus Sulaeman Alvi Akhsan Maulana Andri Waskito Armansyah H Tambunan Bantu Hotsan Simanullang Bantu Hotsan Simanullang Cahyo Wibowo Cahyo Wibowo Cahyo Wibowo Desrial Edison Hotaguan Manurung Fatimah Marthaliza Ferdiyansyah Ferdiyansyah Fisika Prasetyo Putra Hafizh Guntur Jabbaruladli Ida Ayu Putu Sri Widnyani Ikbal Iskandar Ilham Laia Jakariya, Jakariya Kasimir Sawito KURNIASETIAWATI, ANNISA Mubina Dewadi, Fathan Panalili T, Ojakma Sihar Parulian Naibaho Rizki Abdullah Safrianus Hardi Farno setiawan, Dibyo Siregar, Rolan Soni Solistia Wirawan Tumanggor, Ojakma Sihar Panaili Wicaksono, Yowando Putro Wiwik Handayani Yowando Putro Wicaksono