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All Journal International Journal of Power Electronics and Drive Systems (IJPEDS) Rekayasa Mesin Sinergi R.E.M (Rekyasa Energi Manufaktur) Jurnal Turbo : Jurnal Program Studi Teknik Mesin Conference on Innovation and Application of Science and Technology (CIASTECH) JOURNAL OF SCIENCE AND APPLIED ENGINEERING JAST : Jurnal Aplikasi Sains dan Teknologi Jurnal Masyarakat Merdeka (JMM) Jurnal Teknik Mesin Indonesia Jurnal Aplikasi Dan Inovasi Ipteks SOLIDITAS Jurnal Energi dan Teknologi Manufaktur (JETM) JURNAL FLYWHEEL Jurnal Mesin Nusantara Journal mechanical and manufacture technology (JMMT) Aceh International Journal of Science and Technology Prosidia Widya Saintek
Purbo Suwandono
Program Studi S1 Teknik Mesin, Fakultas Teknik, Universitas Widyagama Malang
Aerospace Engineering Agriculture, Biological Sciences & Forestry Automotive Engineering Chemical Engineering, Chemistry & Bioengineering Civil Engineering, Building, Construction & Architecture Computer Science & IT Control & Systems Engineering Decision Sciences, Operations Research & Management Earth & Planetary Sciences Economics, Econometrics & Finance Education Electrical & Electronics Engineering Energy Engineering Environmental Science Industrial & Manufacturing Engineering Law, Crime, Criminology & Criminal Justice Materials Science & Nanotechnology Mechanical Engineering Social Sciences Transportation Other

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Journal : Turbo : Jurnal Program Studi Teknik Mesin

 1 
Pengaruh konduktivitas thermal pada hot cylinder mesin stirling menggunakan energi surya terkonsentrasi Fanani, Akhmad Rizal; Sahbana, Muhammad Agus; Suwandono, Purbo
TURBO [Tulisan Riset Berbasis Online] Vol 10, No 2 (2021): Jurnal TURBO
Publisher : Universitas Muhammadiyah Metro

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.24127/trb.v10i2.1741

Abstract

Renewable energy is one of the businesses sector that will develop rapidly after the changing economic order due to the corona outbreak. The characteristics of Indonesia's tropical climate by getting good sunlight throughout the year can be used as alternative and renewable energy. The Stirling engine is one type of external combustion engine, because combustion is carried out outside the engine using a closed regenerative cycle in which the working fluid is compressed or expanded in a separate reservoir and then distributed to drive the power piston reciprocatingly. The method developed is the use of solar energy which is concentrated by a parabolic reflector to the hot cylinder of the Stirling engine to convert heat energy into motion energy. The purpose of this study was to determine the effect of the thermal conductivity of several material specimens used in the hot cylinder of the Stirling engine including copper, stainless steel, & glass. This study uses an experimental method to describe the performance of a stirling engine prototype using various types of hot cylinder material specimens. The results showed that the gamma stirling engine using hot cylinder glass material had the best performance because with a heat conductivity of 0.78 W/m˚C it was able to drive a stirling engine with a speed of 132 rpm and a torque of 0.57 N.mm at the temperature difference between hot cylinder and cold cylinder of 88˚C and with a thermal efficiency of 20.39%.
Analisa parameter pada pemotongan plate menggunakan CNC fiber laser cutting terhadap kekasaran permukaan Muhammad Arief Hidayat; Akhmad Farid; Purbo Suwandono
TURBO [Tulisan Riset Berbasis Online] Vol 10, No 2 (2021): Jurnal TURBO
Publisher : Universitas Muhammadiyah Metro

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.24127/trb.v10i2.1737

Abstract

With the advancement of advanced equipment, Computer Numerical Control (CNC) laser cutting as a manufacturing tool in plate cutting, where industri player make to get maximum result. Laser cutting Cutting is one of the tools used by the industrial world to maximize cutting results. The purpose of this research To find out the results of the difference using the parameters of air pressure and cutting speed on a Q235B carbon steel plate with a thickness of 3 mm using CNC fiber laser cutting on the surface roughness of the material. The method used in this study is a real experimental research method and data analysis to analyze parameters on plate cutting using laser cutting on surface roughness with this number of experiments 9 and 3 replications for the research process by testing surface roughness using Surface Roughness Sj – 210 Mitutoyo. The results showed that the higher the air pressure and the lower the cutting speed, the lower the surface roughness value and vice versa. The lowest surface roughness value is at air pressure of 16 Bar with a cutting speed of 3300/min which is getting a value of 1.499 μm and the highest surface roughness value is at air pressure of 12 bar with a cutting speed of 3400 mm/min which is getting a value of 2.986 μm. dengan kecepatan pemotongan 3400 mm/min yaitu mendapatkan nilai sebesar 2,986 μm.
PENGARUH JUMLAH SUDU TERHADAP UNJUK KERJA 3D PRINT TURBIN AIR TIPE VORTEX Alvin Dio Nugroho; Purbo Suwandono; Dadang Hermawan; Arief Rizki Fadhillah
TURBO [Tulisan Riset Berbasis Online] Vol 11, No 1 (2022): Jurnal TURBO Volume 11 Nomor 1 Juni 2022
Publisher : Universitas Muhammadiyah Metro

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.24127/trb.v11i1.1935

Abstract

The potential of natural resources in the form of water energy is a renewable natural resource that is often used because it does not damage the environment and can be used continuously. This water flow has two types, namely laminar flow and turbulent flow, the forces generated from these two flows are also different. Turbulent flow tends to produce a greater force and can lift object masses better than laminar flow. Therefore, a vortex turbine has emerged which utilizes turbulent flow as a waterwheel drive, by directing laminar flow towards the cross section and converting it into turbulent flow by utilizing the force of gravity and The cross-sectional shape forms a whirlpool that can move a waterwheel and turn a turbine. The number of blades is very influential on the performance generated from the vortex turbine and affects the resulting output, be it voltage, current, rotational speed, torque and efficiency. In this study, the best results were shown on blades with a total of 6, at a rotational speed of 141.3 rpm; at the voltage shows the result of 0.28 volts; at current it produces 44 mA; at Torque (Nm) 0.22 Nm; and the efficiency is 76.5%.
Pemanfaatan dinding sebagai permukaan kondensasi untuk meningkatkan kinerja solar still double slope Nova Risdiyanto Ismail; Purbo Suwandono; Dadang Hermawan; Frida Dwi Anggraeni
TURBO [Tulisan Riset Berbasis Online] Vol 12, No 1 (2023): Jurnal TURBO
Publisher : Universitas Muhammadiyah Metro

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.24127/trb.v12i1.2439

Abstract

Indonesia is an archipelagic country that often experiences drought, especially in the dry season. In the dry season, there is very abundant solar and seawater energy, so to overcome the problem, you can use solar still technology that utilizes solar energy to process seawater into condensate / fresh water economically. Various efforts are made to optimize the performance of solar stills, in this case the study aims to utilize the wall as a condensation surface to improve the performance of solar still double slope. The study was conducted experimentally by comparing: 1. Solar still double slope without utilizing the wall as a condensing surface, 2. Solar still double slope by utilizing the north side wall as a condensing surface, 3. Solar still double slope by utilizing the south side wall as a condensation surface, and 4. Solar still double slope by utilizing the north and south side walls as condensing surfaces. The results of the study using solar still double slope by utilizing the north wall as a condensing surface obtained the highest productivity of 1966 ml and the highest efficiency of 68.58%.
Co-Authors Adin Nurrohman Aditya Wahyu Winadi Atmajaya Ahmad Rusli Wahyu Setiawan Akhmad Farid Akhmad Farid Alvin Dio Nugroho Andy Hardianto Andy Hardianto Arie Restu Wardhani Arief Rizki Fadhillah Dadang Hermawan Dadang Hermawan Dadang Hermawan Dadang Hermawan Dadang Dicky Dikananda Nafis Dicky Dikananda Nafis Diky Siswanto Fachrudin Hunaini Fachrudin Hunaini Fanani, Akhmad Rizal Fressy Nugroho Frida Dwi Anggraeni Frida Dwi Anggraeni Gatot Soebiyakto Gatot Soebiyakto Gatot Subiyakto Gatot Subiyakto Gatot Subiyakto Gatot Subiyakto Gigih Priyandoko Hangga Wicaksono Leo Hutri Wicaksono Leo Hutri Wicaksono M. Agus Sahbana M. Ghazali Arrahim Moch. Zainul Achyak Mochammad Nurcholis Majid Muhammad Agus Sahbana Muhammad Arief Hidayat Muhammad Ilman Nur Sasongko Ngudi Tjahjono Ngudi Tjahjono Nova R. Ismail Nova R. Ismail Nova Risdiyanto Ismail Nurkholis Hamidi Priyandoko Gigih Rama Agus Santoso Ririen Prihandarini Ririen Prihandarini Rizki Hidayat Sigit Tri Wicaksono Silviana Silviana Sumartono Ali Putra Ubaidillah Ubaidillah Widya Wijayanti