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All Journal Perfecting a Video Game with Game Metrics Waste Technology Jurnal Rekayasa Mesin Jurnal Mekanika dan Sistem Termal Multitek Indonesia : Jurnal Ilmiah Jurnal Engine: Energi, Manufaktur, dan Material ASEAN Journal of Chemical Engineering Prosiding Seminar Nasional Program Pengabdian Masyarakat Jurnal Al Ulum: LPPM Universitas Al Washliyah Medan Jurnal Offshore: Oil, Production Facilities, and Renewable Energy Jurnal Manusia dan Lingkungan SENAPAS
Mochamad Syamsiro
Universitas Janabadra
Agriculture, Biological Sciences & Forestry Humanities Automotive Engineering Biochemistry, Genetics & Molecular Biology Chemical Engineering, Chemistry & Bioengineering Chemistry Civil Engineering, Building, Construction & Architecture Computer Science & IT Control & Systems Engineering Earth & Planetary Sciences Economics, Econometrics & Finance Education Energy Engineering Environmental Science Industrial & Manufacturing Engineering Materials Science & Nanotechnology Mechanical Engineering Medicine & Pharmacology Social Sciences Other

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Dissemination of technology information through YouTube: a case of renewable energy technology Muhammad Kunta Biddinika; Mochamad Syamsiro; Srikandi Novianti; Bakhtiyor Nakhshiniev; Muhammad Aziz; Fumitake Takahashi
TELKOMNIKA (Telecommunication Computing Electronics and Control) Vol 17, No 3: June 2019
Publisher : Universitas Ahmad Dahlan

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.12928/telkomnika.v17i3.10124

Abstract

Internet video sharing has been used by scholars for two main purposes. First, it is for informal scholarly communication including teaching and academic conferences. Second, it is for engagement tool by contemporary society. Renewable energy technology has also been utilizing internet video sharing technology for those purposes. It is a promotional tool to disseminate information about the technology as well as a media for public engagement with renewable energy issues. This paper reviews how YouTube, the most popular internet video sharing website whose content is created and accessed publicly for free of charge, has been elaborated in scholarly publication in the various fields prior to showing how renewable energy is portrayed in YouTube. By using a hundred YouTube most viewed videos, this paper presents an in-depth and systematic measurement study on the characteristics of YouTube videos on renewable energy issues.
Liquid and Gaseous Fuel from Waste Plastics by Sequential Pyrolysis and Catalytic Reforming Processes over Indonesian Natural Zeolite Catalysts Mochamad Syamsiro; Shuo Cheng; Wu Hu; Harwin Saptoadi; Nosal Nugroho Pratama; Wega Trisunaryanti; Kunio Yoshikawa
Waste Technology Vol 2, No 2 (2014)
Publisher : Diponegoro University

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (462.88 KB) | DOI: 10.14710/2.2.44-51

Abstract

In this study, the performance of several differently treated natural zeolites in a sequential pyrolysis and catalytic reforming of plastic materials i.e. polypropylene (PP) and polystyrene (PS) were investigated. The experiments were carried out on two stage reactor using semi-batch system. The samples were degraded at 500°C in the pyrolysis reactor and then reformed at 450°C in the catalytic reformer. The results show that the mordenite-type natural zeolites could be used as efficient catalysts for the conversion of PP and PS into liquid and gaseous fuel. The treatment of natural zeolites in HCl solution showed an increase of the surface area and the Si/Al ratio while nickel impregnation increased the activity of catalyst. As a result, liquid product was reduced while gaseous product was increased. For PP, the fraction of gasoline (C5-C12) increased in the presence of catalysts. Natural zeolite catalysts could also be used to decrease the heavy oil fraction (>C20). The gaseous products were found that propene was dominated in all conditions. For PS, propane and propene were the main components of gases in the presence of nickel impregnated natural zeolite catalyst. Propene was dominated in pyrolysis over natural zeolite catalyst. The high quality of gaseous product can be used as a fuel either for driving gas engines or for dual-fuel diesel engine.
PENINGKATAN PENDAPATAN KELOMPOK PENGRAJIN ARANG BATOK KELAPA MAJU ADIL MAKMUR MELALUI PRODUKSI ASAP CAIR BERKUALITAS TINGGI UNTUK MENDUKUNG PROGRAM BIOGASOLINE Sukamta Sukamta; Sudarja Sudarja; Cahya Tresna Pradana; Syamsiro Syamsiro
Prosiding Seminar Nasional Program Pengabdian Masyarakat 2020: 1. Kebijakan Publik Pengembangan Usaha Mikro, Kecil dan Menengah dan Industri Kreatif
Publisher : Universitas Muhammadiyah Yogyakarta

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (828.472 KB) | DOI: 10.18196/ppm.31.134

Abstract

Kelompok pengrajin arang batok kelapa “Maju Adil Makmur” yang berada di Dusun Murangan 7, Desa Triharjo, Kecamatan Sleman, Kabupaten Sleman, Daerah Istimewa Yogyakarta. Permasalahan utama yang dihadapi adalah asap yang dihasilkan dari proses produksi ini berpotensi mengganggu lingkungan karena jumlahnya yang banyak. Untuk itulah maka dikembangkan metode destilasi yang memproses asap menjadi cairan, yang kemudian disebut asap cair. Namun demikian, asap cair yang dihasilkan masih bercampur dengan abu (fly ash), sehingga harganya rendah. Oleh karena itu, telah dilakukan proses pengolahan kembali asap cair tersebut dengan metode destilasi tingkat lanjut untuk menghasilkan asap cair kualitas tinggi (grade A) sehingga harganya meningkat. Hasilnya, pengerajin mampu menghasilkan asap cair dengan kualitas yang jauh lebih baik daripada sebelumnya. Jika sebelumnya asap cair yang dihasilkan hanya mampu dijual dengan harga Rp 6.000,00 per liter, setelah dilakukan proses destilasi tingkat lanjut maka dihasilkan asap cair kualitas tinggi yang dinamakan grade A, dan mampu dijual dengan harga Rp 28.000,00 per liter atau telah mengalami peningkatan pendapatan yang cukup signifikan yaitu sebesar 4 kali lebih besar.
Analisis Tingkat Kebisingan Knalpot Sepeda Motor Produk Industri Kecil Eko Subandono; Sukoco Sukoco; Mochamad Syamsiro
Jurnal Mekanika dan Sistem Termal Vol 2, No 2: AGUSTUS 2017
Publisher : Universitas Janabadra

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (444.583 KB)

Abstract

Automotive industry is one of the promising sector which is growing very fast recently. One of the important automotive component products is exhaust muffler. The present work aims to experimentally study the noise level generated from the racing type of muffler produced from small and medium industry compared with the standard type from the original products. The noise level measurement of motorcycle muffler has been conducted with several parameters including muffler types, glasswool filling, and silencers. The results showed that the increase in engine speed increased the noise generated from motorcycle muffler. Furthermore, the results also showed that the muffler noise level of racing type muffler is much higher than those of the standard muffler noise level. The highest noise level is obtained by HRP muffler, while the lowest is Tegal muffler. Glasswool filling in the muffler reduced the noise level for all four types of racing type mufler. Full glasswool filling can reduce the noise level significantly. The number and dimension of the silencer in the muffler have the prominent effect on the noise level. The increae of hole number in the silencer will be able to reduce the noise level.
Rancang Bangun dan Penerapan Mesin Ayakan Gula Semut di Kabupaten Kulonprogo, Daerah Istimewa Yogyakarta Mochamad Syamsiro; Nurwiyanta Nurwiyanta; Erni Umi Hasanah; Muhammad Luk Marsakti; Al Muafi Sandono
Jurnal Mekanika dan Sistem Termal Vol 2, No 2: AGUSTUS 2017
Publisher : Universitas Janabadra

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (518.416 KB)

Abstract

Gula Semut is a sugar made from palm nectar or also called Neera that has gone through several processes before it is ready in a form that convenience for us to consume. This study aims to design and fabricate the vibrating sieve machine to separate gula semut (cristalized sugar) based on particle size. The machine has a capacity of 50 kg/h depending on the raw material. The machine consists of several main parts such as siever, electric motor, vibrating spring, balancer and frame. Simple calculation has been conducted to meet the capacity of the machine. The machine was made of food grade stainless steel to prevent contamination in gula semut due to corrosion. A preliminary experiment has been carried out to evaluate the performance of the machine including adjusting the balancer position. Finally, the machine will increase the productivity of gula semut industry in Kulonprogo District.
Penerapan Teknologi Pirolisis Untuk Konversi Limbah Plastik Menjadi Bahan Bakar Minyak di Kabupaten Bantul Ricki Rafli; Hudi Baitul Fajri; Ahmad Jamaludhin; Muhammad Azizi; Haris Riswanto; Mochamad Syamsiro
Jurnal Mekanika dan Sistem Termal Vol 2, No 1: APRIL 2017
Publisher : Universitas Janabadra

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (737.134 KB)

Abstract

Plastic waste is an inorganic waste composed of chemicals that are harmful to the environment because it is not easy to decompose in the soil and requires decades to decompose. Therefore, it needs to do further processing by converting waste plastics into valuable products. This study aims to implement the pyrolysis technology to convert waste plastics into fuel oil which can be used as an energy source for small and medium enterprise. This technology has been applied in Bank Sampah Mekar Jaya 8, one of the recycling bank in Bantul Regency. This system is expected to empower the community for getting added value from waste plastics. The pyrolysis reactor was made with a production capacity of 20 kg. The reactor has a diameter of 600 mm and height of 900 mm with 2 main holes used to feed waste plastics and remove the residue. The system used 2 condensers which has a diameter of 100 mm respectively. The second condenser employed double pipe heat exchanger system which use water as a cooling medium. The water pump has been used for water circulation in the second condenser.
Peningkatan Kualitas Bahan Bakar Padat Biomassa Dengan Proses Densifikasi Dan Torrefaksi Mochamad Syamsiro
Jurnal Mekanika dan Sistem Termal Vol 1, No 1: APRIL 2016
Publisher : Universitas Janabadra

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Abstract

Biomass is one of the renewable energy resource in Indonesia which has abundant resources potential. Biomass can be converted into energy by using several process method such as thermochemical dan biological processes. Biomass conversion into fuel is available in all three basic forms of matter : solid, liquid and gas. Generally, biomass solid fuel has low mass and energy density. This paper will review the technology to upgrade the quality of the solid fuel by means of densification and torrefaction. Combined densification and torrefaction processes will be an attractive option to produce high quality solid fuel.
Rancang Bangun Mesin Pencacah Plastik Sebagai Bahan Baku Mesin Pirolisis Skala Komunal Mochamad Syamsiro; Arip Nur Hadiyanto; Zahrul Mufrodi
Jurnal Mekanika dan Sistem Termal Vol 1, No 2: Agustus 2016
Publisher : Universitas Janabadra

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (901.428 KB)

Abstract

Design and fabrication of plastic shredding machine has been conducted to supply the feedstock for pyrolysis of waste plastics to produce liquid oil. The machine has a capacity of 20-30 kg/h depending on the plastic type and thickness. We propose the integrated system for pyrolysis of waste plastics in small or medium scale which utilize our product as a source of energy for pyrolysis and shredding machine. The gaseous and solid products can be used for pyrolysis while the liquid oil will be used for powering the shredding machine. The excess liquid oil can be used as a fuel for household and small enterprise by employing pressurized cooking stove. The preliminary test shows that the shredding machine can be used for crushing PET bottle smoothly with the capacity of 14 kg/h. The capacity can be increased by adding the material input and by employing water to push the shredded plastic flowing down.
Studi Eksperimental Unjuk Kerja Campuran Solar-Biodiesel Minyak Jelantah Pada Mesin Diesel Ade Setiawan; Joko Winarno; Mochamad Syamsiro
Jurnal Mekanika dan Sistem Termal Vol 2, No 1: APRIL 2017
Publisher : Universitas Janabadra

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (709.435 KB)

Abstract

In this study, biodiesel fuel produced from waste cooking oil was blended in 20%, 30%, 40% and 50% with the commercial diesel fuel. The biodiesel was collected from a company near Yogyakarta city. It was produced from transesterification process in a commercial scale reactor. The diesel-biodiesel mixtures were tested in a four-cylinder and four-stroke diesel engine with the compression ratio of 18 and water cooling system. The results show that the thermal efficiency of diesel engine increased with increasing the engine speed. The present of biodiesel also increased the thermal efficiency of the diesel engine. A mixture of 40% (B40) and 50% (B50) biodiesel resulted in the highest thermal efficiency. The brake mean effective pressure also increased with increasing the engine speed and biodiesel mixture. The specific fuel consumption showed a decrease in its value as a function of engine speed. Low specific fuel consumption means the high thermal efficiency of the diesel engine.
Studi Kelayakan Ekonomi Pembangunan PLTD Sistem Dual Fuel dengan Gasifikasi Sekam Padi Kapasitas 50 kVA Syamsul Ma`arif; Rena Juwita Sari; Mochamad Syamsiro
Jurnal Mekanika dan Sistem Termal Vol 1, No 1: APRIL 2016
Publisher : Universitas Janabadra

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (1202.375 KB)

Abstract

Electrification ratio in Special Distric of Yogyakarta in 2015 still under 100%, but 100% villages has been electrified. It shows that several houses which far from village which has not been electrified. The alternative solution is to build a small power plant by utilizing rice husks which are quite abundant in Yogyakarta. Diesel Power Plant (PLTD) by dual fuel system studied had a capacity of 50 kVA. Dual fuel system is combination of diesel fuel and synthetic gas from gasification of rice husks. This study is discussed about potential of rice husks, gasification equipment design, electrical distribution, and economic feasibility studies. The results showed that 0.2% of rice husks in Yogyakarta is enough to fulfill fuel requirements of PLTD by dual fuel system. Comparison of fuel requirements in PLTD by dual fuel system is 40% or about 4.72 liters/hour of diesel fuel and 60% synthetic gas from gasification of rice husk as much as 33.19 kgs/hour. Reactor is designed to fulfill gasification process for 2 hours every batch. The system produced 31.68 kWh distributed to 2 home industries, 48 households with each capacity is 450 VA, and street lighting. Investment to build PLTD by dual fuel system is Rp. 700,310,500.00 and operational & maintenance costs is Rp. 458,196,000.00 per year. The economic feasibility study to build PLTD by dual fuel system is claimed feasible if minimum price of electricity is Rp. 2,417.00 which gain NPV and IRR of Rp. 568,819.00 and 12.03%,respectively and payback period of 4 years.
Co-Authors Abdulloh Badruzzaman Ade Setiawan Agus Prasetya Agus Prasetya Agus Prasetya Ahmad Jamaludhin Al Muafi Sandono Anugrah K Pamosoaji Arip Nur Hadiyanto Bakhtiyor Nakhshiniev Bayu Megaprastio Bayu Megaprastio Bisrul Hapis Tambunan Bisrul Hapis Tambunan, Bisrul Hapis Cahya Tresna Pradana Chinnathan Areeprasert Didik Nurhadiyanto Djoko Budiyanto Setyohadi Eko Subandono Erni Umi Hasanah Fadmi Rina Feri Febria Laksana Fredy Surahmanto Fumitake Takahashi Haris Riswanto Harwin Saptoadi Harwin Saptoadi Hudi Baitul Fajri Irwan Novianto Joko Winarno Kunio Yoshikawa Malik Khidir Maria Ratih Puspita Liestiono Megaprastio, Bayu Muhammad Arief Saputro Muhammad Aziz Muhammad Azizi Muhammad Kunta Biddinika Muhammad Luk Marsakti Muhammad Sigit Cahyono Mujiyono Mujiyono Nosal Nugroho Pratama Nur Azmi Ainur Bashir Nurwiyanta Nurwiyanta Rena Juwita Sari Ricki Rafli Rico Setiono Bayu Saputra Rina, Fadmi Saputro, Muhammad Arief Septian Rico Hernawan Shuo Cheng Srikandi Novianti Sudarja Sudarja, Sudarja Sukamta Sukamta Sukoco Sukoco Syamsul Ma’arif Wega Trisunaryanti Wu Hu Zahrul Mufrodi Zulkhairi