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setiawan, Dibyo
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Studi Peningkatan Performa Pembangkit Listrik Tenaga Piko Hidro Dengan Modifikasi Konstruksi Turbin Crossflow Portabel Setiawan, Dibyo; Triyono, Budi; Haryadi, Haryadi; Wuwung, Vicky; Suseno, Bella Maharani Marcellia
Majamecha Vol. 6 No. 1 (2024): Majamecha
Publisher : Program Studi Teknik Mesin, Fakultas Teknik, Universitas Islam Majapahit, Mojokerto, Indonesia

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.36815/majamecha.v6i1.3223

Abstract

Listrik merupakan hal yang sangat penting, pembangkit listrik tenaga air (PLTPH) piko portabel merupakan solusi penyediaan energi listrik pemanfaatan sumber air head rendah dan aliran kecil untuk mengisi daya laptop dan ponsel. Pada tahun 2021 telah dibuat prototipe PLTPH portabel tipe cross flow. PLTPH yang dikonstruksi masih memiliki beberapa kelemahan dan belum mampu menghasilkan daya listrik sesuai target desainnya. Oleh karena itu, dilakukan kajian pengembangan melalui modifikasi PLTPH portabel yang bertujuan untuk meningkatkan kehandalan, kemudahan instalasi, daya keluaran dan efisiensi. Pembahasan difokuskan untuk mengetahui peningkatan kinerja turbin yang telah dimodifikasi dibandingkan sebelumnya. Hasil dari penelitian ini berupa prototipe PLTPH portabel tipe cross flow. Hasil pengujian PLTPH portabel yang dimodifikasi menghasilkan kecepatan putaran 794 rpm pada debit 3.867 l/s, head 2 m, daya mekanik 20.13 Watt dan efisiensi 26%.
Pengembangan Alat Pengolah Limbah Styrofoam Metode Termal-Ekstruksi Setiawan, Dibyo; Triyono, Budi; Sutanto, Hadi; Bachtiar, Marsellinus; Hafyyan, Iqbal; Istighfari, Nurrahman
Majamecha Vol. 6 No. 1 (2024): Majamecha
Publisher : Program Studi Teknik Mesin, Fakultas Teknik, Universitas Islam Majapahit, Mojokerto, Indonesia

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.36815/majamecha.v6i1.3235

Abstract

Mesin pengolah limbah styrofoam metode termal-ekstruksi digunakan untuk mengolah limbah styrofoam menjadi polistirena padat. Mesin ini memiliki konsep mereduksi, limbah styrofoam yang memiliki volume besar dapat direduksi sehingga memiliki volume yang lebih kecil. Pada penelitian ini dilakukan pengembangan mesin pengolah limbah styrofoam agar target kapasitas pengolahan sebesar 5 kg/jam dapat tercapai. Pada penelitian ini juga dilakukan eksperimen atau pengujian prototipe mesin pada tiga variasi temperatur yaitu 180-200?C, 220-240 ?C, dan 240-250?C. Berdasarkan data hasil pengujian, prototipe mesin hasil dari penelitian ini terbukti dapat mengolah limbah styrofoam dengan kapasitas 5,47 kg/jam pada temperatur operasi 240-250 °C menjadi polistirena padat dengan reduksi volume hingga 38 kali.
Reconditioning and Enhancement of Automatic Pressure Control Equipment for Servo and Regulatory Processes Suryadi, Aris; Budi Triyono; Hanni Maksum Ardi; Dibyo Setiawan
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.10.1.1

Abstract

Control Systems have taken essential parts widely from industrial world to military equipment. Control systems in the industrial world determine the quality, speed, cost and efficiency of the manufacturing process known as the Process Control System (PCS). The core of the Control System is conditioning (actuators) and reading conditions (sensors). By synergizing those parts with the coordination of the controller, the process value (PV) can be obtained according to the condition of the set point (SP). To get the proper control characteristics, i.e. the fastest possible response, the lowest possible oscillation and offset (error steady state/ESS), an understanding of the concept of a closed loop control system with a continuous scheme is developed. In this regard, the Automatic Control Laboratory under the Pneumatic and Hydraulic Laboratory at the Department of Mechanical Engineering - POLBAN considered to provide students with an introduction to Automatic Instrumentation and Control. The briefing covered the introduction, mechanism and operation of Automatic Instrumentation and Control systems. Therefore, tools were required as a medium for achieving the above competencies, one of which was the modernization of pressure regulators in order to strengthen the Laboratory. Through this research, a rejuvenation and modernization of the control system were carried out by applying a proportional, integral and differential (PID) control system. It was based on a programmable logic controller (PLC) equipped with a human machine interface (HMI) to make it easier to enter set points and PID parameters, to be practical in operation and effective in monitoring and data acquisition. The result of the pressure regulator modernization had the ability to include servo control process (getting a certain value) and regulatory control process (maintaining a certain value) with a continuous closed loop scheme. The modernized pressure control system could be utilized as a prototype demonstration of the system in an actual environment to study and observe the Proportional, Integral and Differential (PID) control system along with the process of determining the parameters Kp, Ti and Td as Practicum equipment.
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.
Design and Construction of Poultry Feather Plucking Machine with a 2 kg Processing Capacity Setiawan, Apri; Setiawan, Dibyo; Agung Pratama, Boby; Rudy Rafly; Harry Prayoga Setyawan
Jurnal Teknik Mesin Mechanical Xplore Vol 5 No 2 (2024): Jurnal Teknik Mesin Mechanical Xplore (JTMMX)
Publisher : Mechanical Engineering Department Universitas Buana Perjuangan Karawang

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.36805/jtmmx.v5i2.8966

Abstract

The poultry industry plays a crucial role in meeting the growing global demand for meat. However, the feather plucking process remains a significant challenge, particularly for small-scale poultry farmers who often rely on manual methods that are time-consuming, labor-intensive, and potentially unhygienic. This study aimed to design and construct an affordable and efficient poultry feather plucking machine with a 2 kg processing capacity. The machine was designed using 3D modeling software and constructed using plastic materials for the bucket and rotating disc, and steel for the electric motor mount. The use of plastic components aimed to reduce production costs while maintaining efficiency and minimizing the risk of damage to poultry skin during the plucking process. Functional tests were conducted to evaluate the machine's performance, revealing an average processing time of 28 s per bird, a 30% reduction compared to manual plucking. The machine's efficiency was also assessed, demonstrating a 30% improvement over manual methods. The total production cost of the machine was Rp. 450,000, which is more economical than previous studies. Although the developed machine showed promising results, further study is needed to explore additional parameters such as energy consumption, maintenance requirements, and long-term durability. The incorporation of machine learning algorithms for automated cycle time optimization based on different poultry sizes and feather densities could also be investigated in future studies. Overall, this study contributes to the development of affordable and efficient poultry feather plucking machines, which can benefit small-scale poultry farmers and improve the overall efficiency of the poultry industry.
Studi Pengaruh Kecepatan dan Temperatur Fluida Kerja Pada Pompa Gerotor Dibyo Setiawan; Abdul Kayi; Rohadi Yusuf; Rani Anggrainy
Teknobiz : Jurnal Ilmiah Program Studi Magister Teknik Mesin Vol. 11 No. 3 (2021): Teknobiz
Publisher : Magister Teknik Mesin Universitas Pancasila

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.35814/teknobiz.v11i3.2908

Abstract

Inovasi dan pengembangan perlengkapan riset harus dilakukan seiring dengan berkembangnya cabang penelitian, khususnya pada bidang rekayasa terkait dengan energi terbarukan. Pemanfaatan Concentrated Solar Power (CSP) sebagai penyedia panas harus dilengkapi dengan fluida pemindah panas untuk mendistribusikan energi termal dari sumber ke beban. Salah satu komponen terpenting adalah pompa alir yang digunakan untuk memindahkan fluida kerja. Karakteristik khusus dibutuhkan untuk pompa yang digunakan karena adanya tuntutan operasi temperatur yang tinggi dan fluida yang kental. Pompa trochoid atau gerotor pilihan tepat untuk diaplikasikan pada pompa fluida pemindah panas. Studi ini membahas hubungan antara kapasitas pemompaan terhadap temperatur dan kecepatan pompa. Melalui studi eksperimen, diperoleh bahwa kapasitas pemompaan dipengaruhi oleh temperatur dan kecepatan pompa. Pada kecepatan 750 RPM, kapasitas pemompaan berkisar antara 91–98 cc untuk rentang temperatur antara 30–100 °C. Kecepatan pompa yang lebih tinggi sebesar 1150 RPM, sehingga mampu menghasilkan kapasitas yang lebih tinggi sebesar 127–158 cc pada rentang temperatur yang sama.
Heat Transfer Fluid Deposit in Retainer of Mechanical Seal Heryadi, Yadi; abdulah, Amri; Djafar Shieddieque, Apang; Ardi Rajab, Dede; Suripto, Heri; Setiawan, Dibyo; Solehudin, Agus
Jurnal Teknologika Vol 15 No 1 (2025): Jurnal Teknologika
Publisher : Sekolah Tinggi Teknologi Wastukancana

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.51132/teknologika.v15i1.450

Abstract

Mechanical seals in industrial pumps play a critical role in preventing heat transfer fluid leakage, especially under high-temperature operating conditions. A key component of this system is the seal head, which functions as a compression mechanism through a spring to maintain contact between sealing surfaces. However, the spring's performance can deteriorate due to the accumulation of deposits resulting from prolonged exposure to elevated temperatures, operating pressure, and fluid degradation—ultimately leading to seal failure and fluid leakage. This study aims to investigate the thermal stability of the reservoir fluid Therminol 66 (TM-66) and its impact on seal performance under long-term thermal exposure. The methodology includes direct observation of failed seals, thermogravimetric analysis (TGA) at temperatures of 75, 150, 250, and 350 °C for durations of 3, 6, and 12 hours, and chemical characterization using Fourier Transform Infrared Spectroscopy (FTIR). Additionally, thermal degradation behavior was assessed through activation energy estimation based on weight loss data obtained from TGA. FTIR results revealed that phenylcyclohexane is the dominant compound in TM-66, with a relative intensity of 0.803119. The thermogravimetric data demonstrated that higher temperatures and longer exposure times significantly accelerated fluid evaporation and mass loss. The activation energy analysis confirmed that thermal degradation is more likely to occur under extended high-temperature conditions. These findings highlight the importance of maintaining reservoir fluid temperature below 75°C to minimize deposit buildup in the seal chamber and ensure the long-term reliability and efficiency of the mechanical seal system.
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.
Perawatan Kopling Dan Instalasi Listrik Untuk Pengujian Kinerja Mesin Bensin 3K Dengan Metode Variable Speed Maksum Ardi, Hanni; Syamsurizal, Nazmi; Munir Fahmi, Mokhamad; Setiawan, Dibyo
BULLET : Jurnal Multidisiplin Ilmu Vol. 3 No. 6 (2024): BULLET : Jurnal Multidisiplin Ilmu
Publisher : CV. Multi Kreasi Media

Show Abstract | Download Original | Original Source | Check in Google Scholar

Abstract

The main issue at the Fluid Thermal and Automotive Laboratory of Bandung State Polytechnic is the malfunctioning of the Corona 3K gasoline engine used for practical activities, due to the absence of a clutch transmission and electrical installation. This research aims to recondition the engine through clutch installation and electrical wiring to support performance testing with the variable speed method. The methodology includes initial inspection of components, repair or replacement, coupling and electrical assembly, and testing. The results indicate that the engine operates properly and produces performance data including fuel flow rate, fuel power, generator output, specific fuel consumption, and brake thermal efficiency. The engine is successfully restored for laboratory use.
Co-Authors Abdul Kayi Abdurahman Adri Maldi Subardjah Agung Pratama, Boby Agus Solehudin Agus Suben Agus Subeno Ahmad Kholil Ali Imron Ali Mahmudi Ali Mahmudi Amir Amir Amri Abdulah Anggara, Aditya Anggrainy, Rani Apri Setiawan Apri Wiyono Ardi Nugraha ARDI NUGRAHA, ARDI Ardi Rajab, Dede Aris Suryadi Ariyano Bachtiar, Marsellinus Bantu Hotsan Simanullang Bintoro, Waluyo Musiono Budi Triyono Budi Triyono Bunga Muthia Dien Cahyo Wibowo Cahyo Wibowo Cahyo Wibowo Dadang Kurnia Dadang Kurnia, Dadang Destri Muliastri Devi Eka Septiyani Arifin Edward Simanjuntak Enny Widawati Fathan Dewadi Fathan Mubina Dewadi Ferdiyansyah, Ferdiyansyah Fisika Prasetyo Putra Fisika Prasetyo Putra Gugun Nugraha Hadi Sutanto Hafyyan, Iqbal Handy, Rayhan Aliva Vitra Hanni Maksum Ardi Harry Prayoga Setyawan Haryadi Haryadi - Heri Widiantoro Heryadi, Yadi Ida Ayu Putu Sri Widnyani Iqbal Hidayatullah Iryani, Lenny Istighfari, Nurrahman Jakariya JAKARIYA - - Jakariya, Jakariya Jatira Jatira Jumari Karwansyah , Muhammad Fattan Khairullah Ijlal Khoirudin KURNIASETIAWATI, ANNISA Kusumohadi, Catur Setyawan Maksum Ardi, Hanni Marsellinus Bachtiar Melisa Mulyadi Mohamad Rizkiyanto Mohamad Wirandi Mokhamad Munir Fahmi Mubina Dewadi, Fathan Muhammad Iqbal Harapan Muslim Muhammad Rian Kurniadi Muhammad Yusup Efendi Mulyadi, Yandi Munir Fahmi, Mokhamad Munir Fahmi, Mokhammad Muryanto Muryanto, Muryanto Nana Rahdiana Okviyanto, Toni Otong Jaelani Otong Jaelani Panalili T, Ojakma Sihar Pasya, Azdane Peprial Indika Prasetyo Putra, Fisika Prasetyo Qisti, Yafta Raden Roro Yngwistian Jannavis Astie Rama Kurniawan Ramadhan, Kukuh Rani Anggrainy Revi Kusnadi Rifan Mustofa Rifqi Rahmadiansyah Rinaldi, Kardian Rizki Aulia Nanda Rohadi Yusuf Rudy Rafly Safril Septiani, Herviona Setiawan, Apri Shieddieque, Apang Djafar Shieddique, Apang Djafar Siahaan, Herbert Hasudungan Steven Gabriel Romero Sugianto Sugianto Sugianto Sukarman Sukarman Sukarman Sunaryo, Sulistianto Suripto, Heri Suseno, Bella Maharani Marcellia Sutrimo Syamsurizal, Nazmi Syarah Widia Islamiati R Thomas Aquinas J S Thoyib, Ibnu Annas Toni Okviyanto Triyono , Budi Vauzia, Farrah Wicaksono, Yowando Putro Wijayanti, Linda Wuwung, Vicky Yowando Putro Wicaksono Yudrika, Moh Azmil Yuli Asmi Rahman Zainuddin Zainuddin, Zainiddin Zen, Elfiah Fadhilah Zeqy Zulhaqy