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Studi Ekperimental Penambahan Reflektor Datar Pada Kompor Tenaga Surya Tipe Parabolic Mardwianta, Benedictus; Subarjo, Abdul Haris; Cahyadi, Rivaldi Dwi
JURNAL SURYA ENERGY Vol 6, No 1 (2021)
Publisher : UNIVERSITAS MUHAMMADIYAH PALEMBANG

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.32502/jse.v6i1.3753

Abstract

Community needs to meet electrical energy are increasing. This increasing need has not been matched by the supply of energy. Currently, the main supply of energy comes from non-renewable fossils. To maintain energy reselliance, it is necessary to find alternative energy sources, one of which comes from solar energy. In this research, a parabolic solar cooker was made using autodesk and then tested the prototype solar cooker without additional mirrors, one additional mirror, and two mirrors. At the end of the study an analysis was carried out. The energy efficiency results obtained on a parabolic type solar stove without the addition of a flat mirror is 3.19% with an average stove power of 22.33 watts. The energy efficiency obtained on a parabolic type solar stove with the addition of two flat mirrors is 4.87% with an average stove power of 26.01 watts.
Increased Knowledge of Pringwulung Youth Group, Sleman, on the Use of Solar Energy to Support Energy Security Abdul Haris Subarjo; Benedictus Mardwianta; Nurfi Ahmadi
MITRA: Jurnal Pemberdayaan Masyarakat Vol 4 No 2 (2020): MITRA: Jurnal Pemberdayaan Masyarakat
Publisher : Institute for Research and Community Services

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.25170/mitra.v4i2.1158

Abstract

The youth group RT10/ RW40 Pringwulung, Condong Catur, Depok, Sleman Yogyakarta Special Region is located east of SMKN 2 Depok, Sleman. This youth group formed a semi-autonomous activity centre under the youth organization which aims to provide knowledge to children in RT 10 about natural science. To implement the objectives, the workshop collaborated with several partners as resource persons for the activity. Some of the partners included lecturers and student associations around the location. The educational background of the youth groups varies from high school to tertiary education. The Adisutjipto College of Technology through its lecturers attempted to increase the knowledge of youth group members through a community-service partnership program on alternative energy, especially solar energy which has the potential to support energy security. It is hoped that through this activity the youth groups would be able to increase their knowledge. This community-service activity used the presentation method and to check the knowledge of youth group members, tests or questions and answers were provided with both at the beginning of the activity and the end of the activity. In addition, a small group discussion (SGD) was also conducted so that the participants could discuss the presentation material and improve the understanding of the material. In this community service activity, there was an increase in participants' knowledge, and indicators of improvement were shown from the results of the small group discussion, pre-test, and post-test sessions. The average percentage of increase of their knowledge from the pre-test and posttest results was 36%.
PITCH PROPELLER QUADCOPTER TYPE X AGAINST THRUST AND VOLTAGE MOTOR TO SUPPORT REGIONAL RESILIENCE Benedictus Mardwianta; Abdul Haris Subarjo; Nurfi Ahmadi; Daniel Setya Budi
Angkasa: Jurnal Ilmiah Bidang Teknologi Vol 14, No 1 (2022): Mei
Publisher : Institut Teknologi Dirgantara Adisutjipto

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (1057.4 KB) | DOI: 10.28989/angkasa.v14i1.1207

Abstract

The small size of the quadcopter and the low inertia of the drone allows the use of a simple flight control system, with the practicality of the Quadcopter it is hoped that it can be used for disaster management so as to increase regional resilience. Quadcopters issued by the company cannot be changed. This research is done by assembling the quadcopter itself and making changes to the propeller pitch to determine the effect of thrust and thrust motor on a quadcopter type x. From the results of research and calculations carried out, the thrust produced with a 50o pitch angle is greater than the 43o pitch angle for each movement, so the greater the pitch angle, the greater the thrust generated by the propeller. . The voltage that enters each motor will be different depending on its movement. So, the greater the voltage that enters the brushless motor, the higher the rotation of the motor so that the thrust generated is also greater.   
VARIASI SUDUT PANCAR BURNER CUP UNTUK MENINGKATKAN PERFORMA PEMBAKARAN PADA KOMPOR BERBAHAN BAKAR BIOGAS MENUJU DESA MANDIRI ENERGI DI YOGYAKARTA Kris Hariyanto; Benedictus Mardwianta
Angkasa: Jurnal Ilmiah Bidang Teknologi Vol 8, No 2 (2016): November
Publisher : Institut Teknologi Dirgantara Adisutjipto

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (180.802 KB) | DOI: 10.28989/angkasa.v8i2.118

Abstract

Biogas is an alternative energy sources as a substitute for fossil fuels in household activities daily, but there are obstacles in the use of biogas, namely the difficulty of arranging a flame that is stable and fuel consumption relatively less efficient biogas. So it takes a design development system that will produce a burning stove produces biogas-fueled stove fits the purpose of research, on the other hand biogas stove should be simple, cheap production price, maximum efficiency and safe to use. Stages in the study include: desk assessment, creation of objective requirements design, manufacture conceptual and basic design, manufacture real stove. As for knowing the performance of the stove carried stove performance tests are: test flame stability and efficiency. The results showed that the efficiency of the biogas stove design results in only 31 percent higher than the efficiency of biogas stoves old design, while the fuel consumption of biogas stoves new design is 16 percent lower when compared with fuel consumption of biogas stoves old design. In terms of manufacture and ease of repair and maintenance of gas cookers new design is more easily repaired and easy to make and simple in form compared with the old design biogas stoves.
Pengolahan bioarang sebagai pengganti biogas untuk mendukung proses roasting pengolahan kopi arabica dan ketahanan energi Benedictus Mardwianta; abdul haris subarjo; Dedet Hermawan Setiabudi; Munawar Husaini
Angkasa: Jurnal Ilmiah Bidang Teknologi Vol 13, No 2 (2021): November
Publisher : Institut Teknologi Dirgantara Adisutjipto

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (407.008 KB) | DOI: 10.28989/angkasa.v13i2.1091

Abstract

Processing of waste biochar into briquettes as a substitute for biogas to support the roasting process of Arabica coffee processing is an alternative energy innovation as a substitute for conventional charcoal derived from wood and biogas from LPG as well as to support energy security. Briquette is a material that is strongly influenced by the nature and type of the materials that make it up. This study aims to determine the effect of the composition of briquettes with a mixture of coffee husk waste and sawdust on the calorific value, moisture content, ash content, and density test. The method used is experimental. In composition III the density value is the highest because the amount of sawdust is the most. because with the treatment of the compressive force manually, the charcoal particles will experience compression in accordance with the given compressive force. The results of the research on composition I yielded a calorific value of 6052 cal/gr, composition II yielded a calorific value of 6122 cal/gr and composition III yielded a calorific value of 6333 cal/gr. The results of the ash content test of SNI 01-6235-2000 regarding charcoal briquettes, the permissible ash content does not exceed the value of 8%. The ash content produced in composition III is according to the specified standard
STUDY OF THE POTENTIAL USE OF PARABOLA SOLAR TYPE STORES TESTED IN 500 GRAM WATER TO SUPPORT ENERGY RESILIENCE Benedictus Mardwianta; abdul haris subarjo; Anugrah Budi Wicaksono
Angkasa: Jurnal Ilmiah Bidang Teknologi Vol 12, No 1 (2020): Mei
Publisher : Institut Teknologi Dirgantara Adisutjipto

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (2527.219 KB) | DOI: 10.28989/angkasa.v12i1.555

Abstract

Solar energy is a huge and infinite source of energy so that solar energy can support energy resilience. Parabolic solar cell reflectors use mirrors. The purpose of this research is to determine the thermal collector's power and thermal efficiency on solar stoves. This research methodology is by taking data with time parameters that have been determined according to environmental conditions. The subjects of this study were parabolic solar cookers with a diameter of 84 cm to 500 gram water. The results of the average stove power obtained by 141.71 Watt and the thermal efficiency of the stove by 5.45%. The power of the stove is affected by the difference in temperature of the water after it has been heated by the temperature of the water before it is heated. The greater the temperature of the water after heating it will increase the power of the stove. The greater the overall heat transfer Qm and the smaller the intensity of solar radiation on the reflector using a mirror, the greater the thermal efficiency.
Pengenalan Desain Dan Manufaktur Komponen Otomotif Bagi Muda-Mudi Wonokromo II Pleret Bantul Nur Akhmad Triwibowo; Benedictus Mardwianta
KACANEGARA Jurnal Pengabdian pada Masyarakat Vol 2, No 1 (2019): Januari
Publisher : Institut Teknologi Dirgantara Adisutjipto

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.28989/kacanegara.v2i1.409

Abstract

Salah satu tujuan dari pendidikan adalah untuk menghasilkan manusia yang produktif, mandiri dan mempunyai daya saing. Namun faktanya banyak dijumpai lulusan setingkat SMU yang tidak dapat melanjutkan pendididkan ke jenjang yang lebih tinggi. Salah satu cara untuk mengatasi masalah tersebut adalah diperlukan peningkatan pengetahuan produksi / manufaktur untuk meningkatkan wawasan kewirausahaan bagi pemuda. Dengan demikian pengetahuan produksi / manufaktur nanti bisa menjadi ide untuk membuka usaha baru dalam skala industri kecil (UMKM) Salah satu program peningkatan pengetahuan yang diberikan dalam program pengabdian masyarakat ini adalah peningkatan pengetahuan produksi / manufaktur. Sasaran pengabdian masyarakat adalah pemuda yang tertarik untuk mengembangkan kemandirian di bidang industri kecil. Program yang ditawarkan adalah mengenalkan dan membuka wawasan bahwa peluang usaha di bidang produksi / manufaktur memiliki prospek yang sangat baik
PENINGKATAN PENGETAHUAN PEMANFAATAN ENERGI MATAHARI UNTUK MENDUKUNG KETAHANAN ENERGI PADA KELOMPOK PEMUDA DI SENDANGTIRTO BERBAH SLEMAN abdul haris subarjo; Benedictus Mardwianta; Teguh Wibowo
KACANEGARA Jurnal Pengabdian pada Masyarakat Vol 3, No 2 (2020): Juli
Publisher : Institut Teknologi Dirgantara Adisutjipto

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.28989/kacanegara.v3i2.548

Abstract

Kelompok pemuda Rt. 01/ Rw. 39 Maredan, Sendangtirto, Berbah, Sleman Daerah Istimewa Yogyakarta terletak di selatan Akademi Angkatan Udara. Lokasinya terletak di pinggir kota Yogyakarta. Latar belakang pekerjaan anggota kelompok pemuda cukup beraneka ragam pekerjaan dari mulai pegawai swasta, pegawai negeri, petani dan pedagang. Latar belakang pendidikannya juga beraneka ragam mulai dari berpendidikan sekolah dasar, sekolah menengah sampai perguruan tinggi. Sebagian kelompok pemuda menggunakan sumber energi listrik dari perusahaan listrik Negara dan menggunakan kompor gas untuk memasak. Tidak terdapat anggota kelompok pemuda yang memanfaatkan kedua sumber energi tersebut dalam kegiatannya. Sekolah Tinggi Teknologi Adisutjipto melalui dosennya berusaha meningkatkan pengetahuan anggota kelompok  pemuda melalui program kemitraan pengabdian masyarakat tentang energi alternatif terutama energi matahari memiliki potensi mendukung ketahanan  energi. Kegiatan ini dilaksanakan dengan cara presentasi dan pembagian modul mengenai energy matahari. Output yang diharapkan dari kegiatan ini warga menjadi tahu dan paham energy matahari memiliki potensi sebagai energy alternatif. Serta penjelasan mengenai komponen peralatan energi surya dan fungsinya.
PEMBANGKITAN ENERGI LISTRIK PADA BATERAI UDARA DENGAN BAHAN KARBON AKTIF DAN ELEKTROLIT AIR LAUT Benedictus Mardwianta
SENATIK STT Adisutjipto Vol 3 (2017): Dukungan Teknologi Untuk Pengembangan Industri Dirgantara Indonesia
Publisher : Institut Teknologi Dirgantara Adisutjipto

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.28989/senatik.v3i0.123

Abstract

Pengembangan teknologi baterai selalu dikembangkan selama beberapa tahun terakhir. Baterai yang beredar dipasaran saat ini adalah baterai basah dan baterai kering.Baterai basah yang banyak digunakan untuk accu mobil dan sepeda motor. Baterai kering banyak digunakan pada baterai untuk senter, radio, jam dinding dan lain-lain. Perkembangan kebutuhan untuk menciptakan baterai yang ramah lingkungan dan mempunyai energi yang cukup besar maka perlu dicari solusinya.Salah satu solusi yang sedang dikembangkan saat ini adalah terciptanya baterai udara. Prinsip kerja baterai udara adalah mengambil sebagian udara sekitar yang kontak langsung dengan katoda karbon aktif sehingga molekul-molekul udara tersebut akan bercampur dengan cairan elektrolit pada baterai dan menghasilkan tegangan dan arus listrik setelah katoda terhubung dengan anoda menggunakan aluminium foil. Penelitian ini menggunakan massa serbuk karbon aktif 1250 miligram dan luasan aluminium foil 36 cm2 . Cairan elektrolit yang digunakan adalah air laut. Hasil pengukuran yang diperoleh menggunakan alat multimeter. Pengukuran Tegangan rata-rata adalah 0,781 Volt, Arus rata-rata adalah 1,043 mA dan Daya listrik yang dihasilkan sebesar 8,148 mW.
Electrical Energy of Iron-Air Battery with Carbon Cathodes Using Sea Water Electrolyte Benedictus Mardwianta
SENATIK STT Adisutjipto Vol 4 (2018): Transformasi Teknologi untuk Mendukung Ketahanan Nasional [ ISBN 978-602-52742-0-6 ]
Publisher : Institut Teknologi Dirgantara Adisutjipto

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.28989/senatik.v4i0.231

Abstract

Iron is chosen for the manufacture of air batteries because it is cheap, widely available in nature. One solution currently being developed is the creation of air batteries. This study aims to determine the effect of electrolyte of seawater and the temperature of air that is in direct contact with carbon cathodes and iron anodes of air batteries as a source of electrical energy.The method used in the voltaic cell which is an electrolyte, anode and cathode solution. It is this anode and cathode that causes a reduction and oxidation reaction, as well as an electrolyte as a conduit to produce electrical energy from chemical reactions. The higher the temperature of the air in contact with the battery will reduce the battery's electrical power.The decreasing air density will reduce the amount of air mass, so that the air mass that is in direct contact with the electrode gets less.