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All Journal International Journal of Power Electronics and Drive Systems (IJPEDS) TEKNIK 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 Scientific Journal of Mechanical Engineering Kinematika JURNAL FLYWHEEL Jurnal Mesin Nusantara Journal mechanical and manufacture technology (JMMT) ARMATUR : Artikel Teknik Mesin dan Manufaktur Aceh International Journal of Science and Technology Prosidia Widya Saintek PROTON : Jurnal Ilmu-Ilmu Teknik Mesin J-Proteksion : Jurnal Kajian Ilmiah dan Teknologi Teknik Mesin
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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PERBAIKAN DAM DI RT 02 RW 15 KELURAHAN CANDIRENGGO KECAMATAN SINGOSARI KABUPATEN MALANG Nova Risdiyanto Ismail; Purbo Suwandono; Dadang Hermawan; Leo Hutri Wicaksono
Prosidia Widya Saintek Vol 1, No 1 (2022)
Publisher : Universitas Widyagama Malang

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (476.41 KB)

Abstract

RW 15 termasuk dalam wilayah kelurahan Candirenggo kecamatan Singosari Kabupaten Malang. RW 15 merupakan wilayah perumahan yang bagian utara berbatasan dengan sungai dengan kedalaman sungai sekitar 8 meter dari jalan. Untuk menjaga plengsengan agar aman dari aliran air yang cukup deras di perlukan menaikkan tanah atau pendangkalan sungai. Pendangkalan sungai selama ini di lakukan dengan membangun DAM, namun desain , ketebalan DAM dan material belum sesuai, seshingga ketika hujan DAM tidak bertahan lama. Untuk itu di perlukan desain , ketebalan DAM dan pemilihan material yang lebih baik. Metode pelaksanaan dengan mendesain  DAM, meningkatkan ketebalan DAM dan menggunakan material yang lebih bermutu. Hasil pelaksanaan kegiatan pengabdian masyarakat: 1) Perbaikan DAM dapat sesuai dengan desain , ketebalan dan kondisi keuangan yang tersedia. 2) Dari hasil pengamatan ketika hujan tiba, air mengalir dengan lancar dan sebagian tanah mulai tertahan, sehingga sungai menjadi lebih dangkal dengan harapan dapat mengamankan plengsengan yang sudah ada.
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%.
Add-On Energy Harvesting of Diesel Exhaust Muffler Using Thermoelectric Generator Aditya Wahyu Winadi Atmajaya; Purbo Suwandono
JOURNAL OF SCIENCE AND APPLIED ENGINEERING Vol 6, No 1 (2023): JSAE
Publisher : Widyagama University of Malang

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.31328/jsae.v6i1.4663

Abstract

Trends Light fossil fuel vehicles are now turning to electricity. The electric vehicle transition begins with a hybrid car. The Hybrid vehicle uses an internal combustion engine as a generator. Controller systems, driving safety and entertain light vehicles are growing so that they consume a lot of electricity, Safe devices and driving lifestyle support. An additional battery charging system for a hybrid car now is being developed by the automotive manufacturer at least the system can increase the fulfilment of electricity consumption needs.The charging system can utilize waste energy vehicle itself or even from outside the vehicle system. In this research, the author wants to explore the thermal energy harvesting system in the remaining exhaust gases. The concept of this research is to develop a Thermoelectric Generator (TEG) as a power producer. The heat source uses a 140kW diesel engine with a heat potential of 523K at stationary conditions, and an exhaust velocity of 1407.05 m / s. This study demonstrates the potential prototype TEG then compared Ansys simulation and manual calculations as the first step for further research. The results obtained, the Exhaust TEG can produce a voltage of 2.1 Volt at 30 seconds of data collection. The cooling system on the TEG exhaust from the HVAC cooler with a temperature of 289K and a Velocity of 0.8 can produce a significant temperature difference.Keywords: Diesel Engine, Thermoelectric, Exhaust TEG system, Electricity.
Semi-automatic of steer by wire system using fuzzy logic control and swarm optimization Fachrudin Hunaini; Dicky Dikananda Nafis; Purbo Suwandono; Gatot Subiyakto
International Journal of Power Electronics and Drive Systems (IJPEDS) Vol 14, No 3: September 2023
Publisher : Institute of Advanced Engineering and Science

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.11591/ijpeds.v14.i3.pp1394-1402

Abstract

The semi-automatic steer by wire system is a vehicle steering system that does not use a mechanical link but uses an electric drive, so that the steer wheel is equipped with an angle sensor as a control system input to adjust the electric drive rotation when determining the direction of the front wheels of the vehicle. The control system uses fuzzy logic control (FLC) is optimized using swarm-based optimization. Performance testing of the optimal control system is carried out using Software in the loop simulations and hardware in the loop simulations which were then applied to the steering system prototype equipped with rack-pinion and wheel steer. The test results show that the optimal control system performance reaches a C-RMS error of 6.712. The prototype that was built has two kinds of ratios between the steering angle and the vehicle wheel angle, namely a ratio of 1:6.25 for speeds below 10 km/h making it suitable for operation when the vehicle is maneuvering in the parking area and a ratio of 1:25 for speeds above 10 km/h which is suitable for operation when the vehicle is traveling at medium or high speed.
Developing adjustable stiffness for smart material of magnetorheological elastomer to diminish vibration Gigih Priyandoko; Purbo Suwandono; Muhammad Ilman Nur Sasongko; Ubaidillah Ubaidillah; Sigit Tri Wicaksono
SINERGI Vol 28, No 1 (2024)
Publisher : Universitas Mercu Buana

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.22441/sinergi.2024.1.016

Abstract

Many vibration isolators, such as passive vehicle mounting devices, have an inflexible stiffness. This article presents the development of a smart material vibration isolator based on magnetorheological elastomer (MRE), which has adjustable stiffness to minimize unwanted vibrations. The objective of this research is to first create a design for the vibration isolator, and then simulate a magnetic circuit. The Finite Element Method Magnetics (FEMM) software was employed to simulate the effectiveness of the electromagnetic circuit in generating a magnetic field through the vibration isolator by employing MRE samples. Pure iron was chosen as the material for the housing of the vibration isolator test rig. To attain an optimal magnetic field, an inventive design of the magnetic circuit, including examination of the wire type, size, and coil turn number, along with the housing material of the test rig, was performed. The study analyzed the performance of the MRE vibration isolator concerning different current inputs in the coil. The results indicate that the stiffness value of the MRE-based isolator system can be more effectively modified by increasing the current inputs. Therefore, a larger current input leads to a greater change in stiffness.
Effect of Internal Reflectors on Daily Performance of Double Slope Solar Stills with Porous Fin Absorber Plate Nova Risdiyanto Ismail; Purbo Suwandono; Dadang Hermawan; Akhmad Farid; Frida Dwi Anggraeni
JOURNAL OF SCIENCE AND APPLIED ENGINEERING Vol 7, No 1 (2024): JSAE
Publisher : Widyagama University of Malang

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.31328/jsae.v7i1.5981

Abstract

The potential of energy and sea water in Indonesia is relatively high, but it has not been utilized massively to reduce the shortage of fresh water on the islands. Utilization of this potential can use solar stills. Solar still is a relatively cheap technology, easy to obtain materials, environmentally friendly and easy to construct, but this technology has shortcomings in its low productivity. Efforts to increase productivity have been made by many researchers, but there has not been a study of internal reflector integration in a double slope solar still using a porous absorbent plate tested for 23 hours. This study aims to examine the effect of adding an internal reflector on the performance of a double slope solar still. The performance of the double slope solar still is identified by evaluating freshwater productivity and efficiency. This research was conducted experimentally comparing with and without internal reflector. The addition of internal reflectors varies in placement, as for the placement on the north and south sides (RUS), the south side (RS), and the north side (RU). Data collection starts at 07.00 p.m. until 06.00 a.m the next day and is carried out for 5 days. Research comparing the performance of RUS, RS, RU compared to TR and concluded that there is an increase in temperature of fins, seawater and cover glass when using the addition of internal reflector. The increase in temperature has an effect on daily productivity for RUS, RS and RU between 12.88-16.13%, 8.71-12.56%, and 1.70-2.88%, respectively. In addition, the addition of the internal reflector has a positive effect on increasing the daily efficiency for RUS, RS and RU between 12.69-15.93%, 8.60-12.46% and 1.65-2.82%, respectively.
Pengaruh Peforma Variasi Filter Gasifier Tipe Updraft dengan Bahan RDF Hambali, Imam; Hakim, Muhammad Izzuddin Abdul; Ferdinando, Rio; Suwandono, Purbo
TURBO [Tulisan Riset Berbasis Online] Vol 12, No 2 (2023): TURBO: Jurnal Program Studi Teknik Mesin
Publisher : Universitas Muhammadiyah Metro

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.24127/trb.v12i2.2890

Abstract

Saat ini, Indonesia merupakan penghasil sampah plastik terbesar kedua di dunia. Setiap tahun, Indonesia menghasilkan 3,2 juta ton sampah plastik yang sebagian besar dibuang ke alam tanpa diolah terlebih dahulu. RDF (Refused Derived Fuel) adalah bahan bakar yang didapatkan dari berbagai macam sampah dengan campuran bahan organik dan anorganik dengan komposisi tertentu. Gasifikasi adalah proses mengubah bahan bakar fosil dan nonfosil (cair, gas atau padat) menjadi gas dan produk kimia yang berguna. Saat ini, gasifikasi bahan bakar fosil lebih umum dari pada bahan bakar nonfosil seperti biomassa untuk produksi gas sintetis. Filter yang akan digunakan menggunakan bahan organik yaitu serbuk kayu, tatal kayu, bonggol jagung dan zeolite. Variabel bebas dalam penelitian ini adalah variasi filter dengan menggunakan bonggol jagung, serutan kayu, serbuk kayu dan zeolit. Variabel terikat pada riset ini adalah hasil komposisi dari gas CH4, H2 dan CO. Filter gasifier menggunakan serbuk kayu dengan ukuran meshing (0,5 mm), serutan kayu (Panjang 3 cm tebal 1 mm), bonggol jagung (0,5 cm), Zeolite (0,5 mm). Hasil dari penelitian ini dapat disimpulkan bahwa bonggol jagung adalah filter yang paling baik dimana mampu menghasilkan gas CO sebesar 150 ppm dan gas H2 sebesar 158 ppm.
Implementasi jumlah lubang inti sedimen separator dalam upaya mengurangi tingkat kebuntuan filter mesin Grader CAT 16M Ismail, Nova Risdiyanto; Suprapto, Agung; Hermawan, Dadang; Suwandono, Purbo; Hutri Wicaksono, Leo
ARMATUR : Artikel Teknik Mesin & Manufaktur Vol. 5 No. 1 (2024): Jurnal Armatur
Publisher : Universitas Muhammadiyah Metro

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.24127/armatur.v5i1.5347

Abstract

The Cat 16M Grader is a heavy equipment that is widely used to support mining operations. The development of this heavy equipment is required to use biodesel fuel (B30). The problem with B30 fuel is oxidation which results in the formation of sediment and can cause filter clogging. Filter clogging can affect engine power and filter replacement time. From these problems, the researcher proposed to modify the number of sediment separator core holes to reduce the filter clogging rate on the Cat 16M grader. Modified number of sediment separator core holes are 40, 20 and 10 holes with 8 mm hole dimension. Data was collected experimentally by implementing the modified sediment separator core on a Cat 16M grader for 250 hours of operation. The research resulted in the number of sediment separator core holes 10 at 250 hours of operation producing the highest sediment volume of 92 ml, the filter with the lowest clogging rate and the lowest fuel pressure difference. In addition, using the number of sediment separator cores 10 at 250 hours of operation produces the highest engine power, the highest filter clogging efficiency and has a high economic value.
Pengaruh Variasi Filter Bertingkat dan Bukaan Katup Terhadap Kinerja Gasifikasi Tipe Updraft Berbahan Pelet Kayu Suwandono, Purbo; Prakoso, Yogi Iman; Soebiyakto, Gatot; Finahari, Nurida
ARMATUR : Artikel Teknik Mesin & Manufaktur Vol. 5 No. 2 (2024): ARMATUR: Artikel Teknik Mesin dan Manufaktur
Publisher : Universitas Muhammadiyah Metro

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.24127/armatur.v5i2.5467

Abstract

Globalization is something that we cannot avoid. Even though globalization is a good thing, there are several bad things caused by globalization. Such as population growth and increasing energy use. Excessive energy use can cause air pollution, depletion of the ozone layer, and depletion of fossil energy reserves. Therefore, it is necessary to use renewable energy from materials that we can easily get such as biomass. Utilization of biomass as energy can be converted using the gasification process. This process will produce combustible gas containing CO, H2, and CH4. This research uses several variations in air flow rate which will influence the combustion time, temperature in the reactor, and gas composition. As well as the use of various filters made from corn cobs, coconut fibers and sponges which affect the gas composition and gasification efficiency
Analisis Jenis Dan Dimensi Pasir Pembentuk Material Mortar Terhadap Konduktivitas Panas Efektif Ismail, Nova Risdiyanto; Suwandono, Purbo; Hermawan, Dadang; Wicaksono, Hangga
TEKNIK Vol. 44, No. 3 (2023): December 2023
Publisher : Diponegoro University

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.14710/teknik.v44i3.43966

Abstract

The solar radiation heat absorbing plate is a major component in solar still applications. The fin absorber plate with mortar material as a heat absorber, heat transfer, and evaporation medium. In the fin absorber plate with mortar material, seawater flows inside the fin body capillarity and undergoes an evaporation process, leaving salt in the pores. Salt in the pores, type, and dimension of sand as the main forming material of mortar will also affect the effective heat conductivity value. This study evaluates salt formation in the pores with various types and dimensions of sand-forming mortar material on effective heat conductivity. The research was conducted experimentally by comparing the types and dimensions of sand-forming mortar. The types of sand used were iron sand (PB) and lichen sand (PL), with sand dimensions of 0.125 and 0.250, respectively. The types and dimensions of sand were formed into mortar with a mixture of 2 sand and one cement. The mortar test was compared with stone material. In the test, heating was applied to the top surface of the mortar and stone using a heating element (heater) with 46.4 W power for 120 minutes. The research resulted in the effective heat conductivity of all mortar materials increasing with increasing heating time and salt in the pores. The mortar material using iron sand with a dimension of 0.125 mm (PB.0.125) has a higher total effective heat conductivity of 0.712 (W/m0C) than PB.0.250, PL.0.125, PL.0.250 and stone.
Co-Authors AA Sudharmawan, AA Adin Nurrohman Aditya Wahyu Winadi Atmajaya Agung Suprapto, Agung Agus Nofiyanto Ahmad Rusli Wahyu Setiawan Akhmad Farid Akhmad Farid Akhmad Farid Al Barr, Muhammad Haafizh Alvin Dio Nugroho Andy Hardianto Andy Hardianto Anggunio, Cornelius Arie Restu Wardhani Arief Rizki Fadhillah Dadang Hermawan Dadang Hermawan Dicky Dikananda Nafis Dicky Dikananda Nafis Diky Siswanto Dlofir, Aan Taufik Dwi Anggraeni, Frida Fachrudin Fachrudin Fachrudin Hunaini Fanani, Akhmad Rizal Ferdinando, Rio Fressy Nugroho Frida Dwi Anggraeni Frida Dwi Anggraeni Gatot Soebiyakto Gatot Soebiyakto Gatot Soebiyakto Gatot Subiyakto Gatot Subiyakto Gatot Subiyakto Gatot Subiyakto Gatot Subiyakto Hakim, Muhammad Izzuddin Abdul Hangga Wicaksono Heni Pujiastuti Hunaini, Fachrudin Hutri Wicaksono, Leo Imam Hambali Ismail*, Nova Risdiyanto Leo Hutri Wicaksono M. Agus Sahbana M. Ghazali Arrahim Mardianto, Dias Moch. Zainul Achyak Mochammad Nurcholis Majid Muhammad Agus Sahbana Muhammad Arief Hidayat Muhammad Ilman Nur Sasongko Nafisah, Viona Ngudi Tjahjono Nova R. Ismail Nova Risdiyanto Ismail Novayako, Riza Dandy Nurida Finahari Nurkholis Hamidi Prakoso, Yogi Iman Prasetyo, Rino Ayogi Adi Prihandarini, Ririen Priyandoko Gigih Putra, Gusty Nanda Kharisma R. Ismail, Nova Rama Agus Santoso Ramadhani, Auzhar Rafli Ririen Prihandarini Rizki Hidayat Sigit Tri Wicaksono Silviana Silviana Silviana Silviana Sitanggang, Rickie Natanael Solichi, Azis Sumartono Ali Putra Suriansyah, Suriansyah Ubaidillah Ubaidillah Wahai, Rizky Wahyudi, M. Ilham Setyo Wicaksono, Hangga Wicaksono, Leo Hutri Widya Wijayanti Wijaya, Rendra Adi