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All Journal International Journal of Advances in Applied Sciences Jurnal Energi Dan Manufaktur FLYWHEEL : Jurnal Teknik Mesin Untirta Jurnal Rekayasa Mesin Info-Teknik Briliant: Jurnal Riset dan Konseptual JTERA (Jurnal Teknologi Rekayasa) Turbulen : Jurnal Teknik Mesin Jurnal Teknik Pertanian Lampung (Journal of Agricultural Engineering) Jurnal Penelitian dan Pengabdian Kepada Masyarakat UNSIQ Jurnal Rekayasa Hijau Logic : Jurnal Rancang Bangun dan Teknologi Journal of Engineering and Scientific Research (JESR) Jurnal Aplikasi Dan Inovasi Ipteks SOLIDITAS Jurnal Energi dan Teknologi Manufaktur Abdi Dosen : Jurnal Pengabdian Pada Masyarakat STEAM Engineering : Journal of Science, Technology, Education And Mechanical Engineering Scientific Journal of Mechanical Engineering Kinematika Reswara: Jurnal Pengabdian Kepada Masyarakat Jurnal Pengabdian dan Pemberdayaan Nusantara (JPPNu) Bulletin of Science Education Jurnal Teknologi Jurnal Ilmiah Fakultas Sains dan Teknik Universitas Nusa Cendana Logic : Jurnal Rancang Bangun Dan Teknologi Jurnal Teknik Mesin, Industri, Elektro dan Informatika International Journal of Community Engagement Payungi Student Research Journal Jurnal Polimesin Venus: Jurnal Publikasi Rumpun Ilmu Teknik Evrimata: Journal of Mechanical Engineering

Asrori Asrori

Politeknik Negeri Malang

Author-ID : 2082787

Religion Agriculture, Biological Sciences & Forestry Humanities Automotive Engineering Chemical Engineering, Chemistry & Bioengineering Civil Engineering, Building, Construction & Architecture Computer Science & IT Control & Systems Engineering Earth & Planetary Sciences Economics, Econometrics & Finance Education Electrical & Electronics Engineering Energy Engineering Environmental Science Industrial & Manufacturing Engineering Languange, Linguistic, Communication & Media Law, Crime, Criminology & Criminal Justice Materials Science & Nanotechnology Mathematics Mechanical Engineering Physics Public Health Social Sciences Transportation Other

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Articles

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The Comparison of Performance Polycrystalline and Amorphous Solar Panels under Malang City Weather Conditions Kris Witono; Asrori Asrori; Agus Harijono
Bulletin of Science Education Vol 1 No 2 (2021): Bulletin of Science Education
Publisher : CV. Creative Tugu Pena

Amorphous Silicon type solar panels, which had a bad reputation in the past, are now considered very reliable, with several significant advantages over Mono Crystalline and Polycrystalline solar panels. Research on the effectiveness of the capture power of Amorphous Silicon compared to Silicon Crystalline solar panels types is still not much done.The purpose of this study was to explain the effect of solar radiation on the capture power of polycrystalline and amorphous solar panels.This research method includes solar panel installation, measurement of solar radiation, measurement of the resulting current and voltage, data analysis, discussion, and conclusions. The independent variables of the study were the resulting current and voltage, and the type of solar panels (Polycrystalline and Amorphous). The dependent variable of this research are actual power and efficiency.The results showed that the greater the solar radiation, the higher the actual power and efficiency produced by the solar panels. Polycrystalline type solar panels are capable of producing higher average actual power and average efficiency, namely 86.83 W and 11.92%, compared to amorphous solar panels, namely 43.88 W and 6.01%. Keywords: Monocrystalline, Polycrystalline, Normalized Power Output Efficiency, Performance Ratio

Rancang Bangun Turbin Pelton Kapasitas 270 W Sebagai Alat Peraga Sistem Pembangkit Listrik Pico Hydro Asrori Asrori; Thomas Adikusuma; Eko Yudiyanto
BRILIANT: Jurnal Riset dan Konseptual Vol 7 No 2 (2022): Volume 7 Nomor 2, Mei 2022
Publisher : Universitas Nahdlatul Ulama Blitar

Alat peraga sangat dibutuhkan sebagai instrumen penting pembelajaran. Terutama untuk menunjang mata kuliah praktek mesin konversi energi di Jurusan Teknik Mesin, Politeknik Negeri Malang. Tujuan dari perancangan ini adalah mendesain, menganalisa kekuatan kerangka, membuat, merakit, menghitung biaya produksi dan menguji kinerja alat. Metode rancang bangun dimulai dengan desain gambar teknik menggunakan CATIA V6. Analisis kekuatan profil juga diperlukan, untuk memastikan keamanan alat peraga yang dibuat. Sedangkan perhitungan waktu pemesinan, operating plan dan production routing, merupakan faktor untuk menentukan biaya produksi. Hasil perancangan diperoleh prototipe alat peraga berukuran 1 x 1 x 1,5 m. Runner turbin pelton berbahan Cast Iron berdiameter 150 mm dengan jumlah sudu 17 buah. Sebuah pompa air 125W/AC dipasang sebagai pembangkit head dan debit masukan ke turbin pelton. Sedangkan, generator DC terhubung dengan poros turbin pelton dapat menghasilkan daya maksimum 270 W. Hasil pengujian diperoleh daya luaran generator sebesar 75,68 W, sehingga efisiensi sesaat dari alat peraga adalah 60,54 %. Biaya produksi alat peraga turbin pelton ini adalah Rp. 5.370.000,00.

INSTALLATION OF SOLAR PANELS FOR FILTRATION SYSTEMS ON KOI FISH CULTIVATION IN SUMBERINGIN KIDUL VILLAGE, TULUNGAGUNG REGENCY Asrori Asrori; Sugeng Hadi Susilo; Mohammad Noor Hidayat; Irwan Heryanto Eryk; Maskur Maskur
Abdi Dosen : Jurnal Pengabdian Pada Masyarakat Vol. 6 No. 3 (2022): SEPTEMBER
Publisher : LPPM Univ. Ibn Khaldun Bogor

The large electricity bill for aerators and filter pumps in Koi fish farming ponds is a problem for PPM (Community Service) partners. In addition, long-term power outages can cause fish death. This koi fish farming located in Tulungagung district has an area of about 2000 m2 which is divided into several pond plots. The decline in the quality of Koi fish is also caused by poor filtration. The purpose of this activity is to install a micro-scale Solar power plant. This micro Solar Power Plant is used as a power source for filter pumps and pond aerators. The installed 600 Wp Solar Power Plant system consists of 4 solar panels with a capacity of 150 Wp each, an 850 VA hybrid inverter, and a 100 Ah VRLA battery. Electrical energy from Solar Power Plant can power a 75 W pump with a capacity of 26000 L/h. The installation of solar panels in this pool can produce an average of 2.5 kWh of electrical energy/day. So that the electricity savings from PLN can reach IDR. 108,352.5 per month.

PENGGUNAAN JAMBAN/MCK DITINJAU DARI ASPEK KESEHATAN LINGKUNGAN Hari Rarindo; Asrori Asrori; Hilmi Iman Firmansyah; Nanang Qosim
Jurnal Teknologi Vol 15 No 1 (2021): Mei 2021
Publisher : Universitas Nusa Cendana

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (105.56 KB)

Penelitian ini bertujuan untuk menentukan kebijakan agar masyarakat menggunakan Jamban/MCK sebagai tempat buang air besar, sehingga dapat berkelanjutan dengan baik. Metode penelitian menggunakan deskriptif kualitatif. Penggunaan fasilitas Jamban/MCK yang kurang memenuhi syarat kesehatan lingkungan menyebabkan perilaku masyarakat masih BABS oleh karena itu diperlukan upaya pembangunan Jamban/MCK bagi masyarakat yang dirasa masih kurang mampu untuk membangun Jamban/MCK ini. Hasil penelitian menunjukkan bahwa perlunya penggunaan Jamban/MCK yang memenuhi kesehatan lingkungan melakukan pembuatan jamban yang lebih menarik dan memenuhi kesehatan lingkungan. Dalam pembangunan Jamban/MCK haruslah memperhatikan aspek keandalan dari bangunan tersebut yaitu kenyamanan, kesehatan dan kemudahan bagi masyarakat dalam melakukan buang air besar. MCK sendiri adalah suatu ruangan dimana seseorang dapat mandi untuk membersihkan tubuhnya. Kebersihan keluarga yang berpusat di MCK menjadikan kebersihan MCK benar-benar penting. MCK buruk yang sitem kebersihannya buruk akan mengundang banyak kuman bertumbuh dan pada akhirnya berisiko menimbulkan bibit penyakit dan lingkungan tempat tinggal menjadi tidak sehat.

Perbandingan Performansi Panel Surya Tipe Amorphous dan Polycrystalline terhadap Daya Pengisian Baterai Lithium-Ion pada Electric Scooter Asrori Asrori; M. Zusriansyah Fahrudin Harahap; Agus Harijono
BRILIANT: Jurnal Riset dan Konseptual Vol 7 No 4 (2022): Volume 7 Nomor 4, November 2022
Publisher : Universitas Nahdlatul Ulama Blitar

Saat ini teknologi panel surya menjadi peralatan pengkorversi energi listrik yangÂ banyak digunakan untuk berbagai aplikasi. Panel surya mampu mengubahÂ sinar matahari menjadi energi listrik. Energi listrik tersebut selanjutnya dapat disimpan oleh baterai. Pada penelitian ini energi yang disimpan di dalam baterai akan digunakan untuk menggerakkan motor BLDC pada electric scooter. Tujuan dari penelitian ini yaitu untuk membandingkan unjuk kerja jenis panel surya terhadap pengisian daya listrik di electric scooter. Metode penelitian dengan pengujian langsung dari panel surya jenis thin film amorphous dan polycrystalline pada electric scooter. Alat monitoring sistem pengisian baterai berbasis arduino,Â dirancang untuk mengukur tegangan, arus, daya, arus pengisian, dan persentase baterai. Sedangkan tingkat radiasi matahari diukur dengan solar power meter.Â Hasil dari penelitian ini berupa electric scooter berbasis panel surya, alat monitoring sistem pengisian baterai. Tingkat radiasi matahari maksimum pada jam 12.00 WIB sebesar 887,4 W/m2 diperoleh bahwa panel surya Polycrystalline menghasilkan daya 11,87 Watt. Nilai ini lebih besar dibandingkan dengan jenis panel surya Thin Film Amorphous yang hanya mampu menghasilkan 10,56 Watt. Kesimpulan dari penelitian ini adalah panel surya jenis Polycrystalline lebih efisien digunakan dari pada panel surya jenis thin film amorphous. Namun secara estetika panel surya thin film amorphous lebih sesuai dengan desain electric scooter yang dirancang.

PENGARUH RADIASI MATAHARI DAN JENIS MATERIAL COIL PADA PV-MODULE SOLAR ELECTRIC COOKER Asrori Asrori; Harie S. Jaya
Steam Engineering Vol. 4 No. 2 (2023): STEAM Engineering, Vol. 4, No. 2, Maret 2023
Publisher : Program Studi Pendidikan Teknik Mesin, Fakultas Keguruan dan Ilmu Pendidikan, Universitas Palangka Raya

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.37304/jptm.v4i2.5168

Global energy needs are increasing, while world energy reserves derived from fossils are dwindling. Therefore, a breakthrough is needed to develop green technology based on renewable energy, especially in the household sector. Indonesia is located on the equator so it has great potential to explore solar energy sources. This study aims to analyze the effect of the type of coil heater material and the level of solar radiation on the PV module solar electric cooker. Testing carried out in the Solar Energy Lab., Mechanical Engineering, State Polytechnic of Malang (7°56ʼ36.4ˮS ; 112°36ʼ49.6ˮE). The method used is true experimental using three material types based on their thermal conductivity, namely copper, aluminum, and nickel as well as the change in solar radiation on the heat of solar electric cooker generated by the PV module. The results showed that there was an effect of the parameters of thermal conductivity and changes in solar radiation on the heat generated by the PV module solar electric cooker. In the nickel coil test, it can reach a temperature of 769°C at a solar radiation of 875.9 W/m2. Testing the aluminum coil obtained a temperature of 191°C at a solar radiation level of 931.4 W/m2, and a copper coil could produce a temperature of 169°C at a solar radiation level of 855.6 W/m2

Effect of Magnetic Field on the Flame Characteristics of Droplet Combustion of Coconut and Palm Oil Dony Perdana; Asrori Asrori; Muhamad Hanifudin; Novembrian Isam Dinata
Jurnal Teknik Pertanian Lampung (Journal of Agricultural Engineering) Vol 12, No 2 (2023): June 2023
Publisher : The University of Lampung

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.23960/jtep-l.v12i2.326-337

Experimental has been conducted on the effects of variations in the direction of the magnetic fields on flames characteristic of droplets combustion of coconut and palm oils. Two variations of the directions magnetic field N-N and S-N were used in this experiment by placing droplets of vegetable oils on the type K thermocouple between two permanent magnet rods. High-speed camera (120 frame per second) recorded the flames up to extinguished. The result showed that S-N magnetic fields affected on shorter burning time of coconut and palm oil, respectively 670 ms and 871 ms, with the highest temperature of 816.25 oC and 778 oC. The flame height produced by the S-N magnetic field in coconut oil is 34.36 mm shorter, ignitions delay time for all oils has faster than the N-N magnetic field. The strong magnetic field direction increases the oxygen concentrations and fuel molecules around the reaction zone, causing shorter combustion. This combustion produces different flame evolution, shape, height, temperature, and ignition delay times. Keywords: Flames evolution, Flames height, Flames temperature, Ignition delay, Vegetable oils.

Pengaruh Panel Surya Bentuk Flat dan Flexy Terhadap Daya Pengisian Baterai Sepeda Listrik Asrori Asrori; Faizul Ahmad Jatmiko; Mohammad Noor Hidayat; Dony Perdana
Rekayasa Hijau : Jurnal Teknologi Ramah Lingkungan Vol 7, No 1 (2023)
Publisher : Institut Teknologi Nasional, Bandung

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.26760/jrh.v7i1.90-100

ABSTRAK Perkembangan dunia global dan isu emisi nol (zero emmision) telah menjadi blue print energi dari semua negara. Salah satunya adalah terobosan teknologi transportasi yang ramah lingkungan. Dalam beberapa tahun terakhir, teknologi kendaraan listrik telah berkembang pesat. Selain dari desain dan performansi, konsep hybrid panel surya dengan kendaraan listrik juga banyak dilakukan oleh banyak peneliti. Oleh karena itu, penelitian ini bertujuan untuk menganalisis performansi pengisian baterai pada sepeda listrik yang dihasilkan oleh dua bentuk panel surya yang berbeda (flat dan flexy). Metode penelitian true experimental dilakukan dengan monitoring data dari sensor tegangan, arus, dan daya listrik yang dihasilkan panel surya. Sedangkan radiasi matahari diukur dengan solar power meter. Daya listrik yang dihasilkan panel surya digunakan untuk pengisian baterai sepeda listrik. Hasil penelitian menunjukkan bahwa pada radiasi matahari maksimum terjadi pada jam 13.00 WIB sebesar 1008 W/m2. Panel surya bentuk flat menghasilkan daya listrik sebesar 58,94 Wh Sedangkan bentuk flexy sebesar 44,87 Wh. Sehingga panel surya bentuk flat lebih effisien dibandingkan dengan flexy untuk pengisian baterai pada sepeda listrik.Kata kunci: panel surya flat, panel surya flexy, daya pengisian, baterai, sepeda listrikABSTRACTThe development of the global world and the issue of zero emissions has become an energy blueprint for all countries. One of them is the breakthrough of environmentally friendly transportation technology. In recent years, electric vehicle technology has developed rapidly. Apart from design and performance, the concept of hybrid solar panels with electric vehicles is also being carried out by many researchers. Therefore, this study aims to analyze the charging performance of electric bicycle batteries produced by two different forms of solar panels (flat PV and flexy PV). The true experimental research method was carried out by monitoring data from sensors of voltage, current, and electric power generated by solar panels. While solar radiation is measured with a solar power meter. The electricity generated by the solar panels is used to charge the electric bicycle battery. The results showed that the maximum solar irradiation occurred at 01.00 pm at 1008 W/m2. Flatform solar panels produce electricity of 58.94 Wh while flexible form 44.87 Wh. Therefore, flat solar panels are more efficient than flexy for charging batteries on electric bicycles.Keywords: solar panel, flat PV, flexy PV, charging power, battery, electric bicycle

An Analysis of Emission Exhaust Gas on 4-Stroke Engine Based on IOT Gas Analyzer Mokhammad Khatami; Agus Sujatmiko; Asrori Asrori
Logic : Jurnal Rancang Bangun dan Teknologi Vol. 23 No. 2 (2023): July
Publisher : Unit Publikasi Ilmiah, P3M, Politeknik Negeri Bali

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.31940/logic.v23i2.104-110

According to the Air Quality Live Index (AQLI), Indonesia's air quality has continued to deteriorate in the last two decades, so Indonesia is officially ranked 17th as the country with the worst air quality in the world. This is due to the population explosion in Indonesia causing industrial activity to also increase. The high levels of exhaust emissions in vehicles, of course, requires the need for technology to measure vehicle exhaust gases to reduce the impact of air pollution. However, the procurement of exhaust emission test equipment is still expensive, so only certain class workshops have this tool. In addition, the reading results of the vehicle's OBD (On Board Diagnostic) system are only able to display the condition or reading value of the Lambda sensor because other gas sensors readings such as CO2, HC, and CO cannot be displayed on the OBD reading results. The purpose of this study is to describe the design of the tool and the results of measuring CO and HC levels through the Blynk application. Research methods that use several gas sensors, such as MQ-7 and TGS-2602 (CO gas) and MQ-2 and TGS-2611 (HC gas), are then compared with the measurement results of a standard gas analyzer. The results showed that the MQ-7 value is close to the accuracy at 1000 rpm and 5000 rpm, namely 99.68% and 99.49%, while the level of accuracy at 3000 rpm is 99.37%. The TGS-2602 sensor at 1000 rpm only has the best accuracy and accuracy, namely 99.67% and 99.77%. The level of accuracy of the MQ-2 sensor has the best value at 1000 rpm rotation, which is 95.71% and the level of accuracy has the highest value at 7000 rpm rotation, which is 100%. For the level of accuracy of the TGS-2611 sensor, it has an accuracy level of 1000 rpm rotation of 94.65% and the level of accuracy of the sensor obtains very good values at 1000 rpm, 7000 rpm, and 9000 rpm rotation of 100%.

PEMBUATAN LAMPU PERINGATAN JALAN BERTENAGA SURYA DI DESA SUMBERINGIN KIDUL, NGUNUT, TULUNGAGUNG Kris Witono; Asrori Asrori; Satworo Adiwidodo; Achmad Walid; Eko Yudiyanto; Agus Sujatmiko
Jurnal Abdimas UNU Blitar Vol 5 No 1 (2023): Volume 5 Nomor 1, Juli 2023
Publisher : Lembaga Penelitian dan Pengabdian Masyarakat

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.28926/jppnu.v5i1.203

Persimpangan jalan utama di RT/RW 03/03 Desa Sumberingin Kidul Kecamatan Ngunut Kabupaten Tulungagung sering terjadi kecelakaan, akibat banyak kendaraan yang melewati jalan tersebut tidak mengurangi laju kendaraannya dan mendapatkan kejutan adanya kendaraan tiba tiba keluar dari perempatan atau warga yang menyeberang, serta tidak begitu tampak dari jalur utama. Kondisi ini tentunya membahayakan bagi pengendara maupun warga yang melewati perempatan tersebut. Untuk mengatasi kondisi tersebut, dibutuhkan lampu peringatan jalan bertenaga surya yang handal dan berbasis energi mandiri. Proses kegiatan berlangsung mulai dari survey di tempat, analisa permaslahan dan solusi yang harus diselesaikan. Perencanaan kegiatan disusun untuk menentukan kebutuhan bahan dan peralatan, pendampingan pembuatan unit lampu peringatan jalan dilakukan dengan pemberdayaan masyarakat sampai dengan pemasangannya. Peran serta masyarakat dilibatkan untuk peningkatan pengetahuan dan ketrampilan warga di bidang fabrikasi dan instalasi lampu bertenaga surya. Hasil kegiatan ini terpasang lampu peringatan jalan bertenaga surya dengan sepsifikasi Panel Surya monokristal 100 Wp, Solar Charger Controller MPPT 10 A, Baterai (accu) 12V 65 Ah, Lampu Peringatan Jalan LED 40 W, kabel dan perlengkapan lainnya. Adanya lampu peringatan jalan ini berdampak pada peningkatan keselamatan aktivitas warga di lingkungan RT/RW 03/03 Sumberingin Kidul Kecamatan Ngunut Kabupaten Tulungagung.

Co-Authors Abdullah Helmy Ach. Muhib Zainuri Ach. Muhib zainuri Agus Harijono AGUS SETIAWAN Agus Sujatmiko Agus Sujatmiko Akhmad Faizin Ariani Ariani Asfari Hariz Santoso BAYU PRANOTO Cucuk Evi Lusiani Dani, Agus Dony Perdana Eko Naryono Eko Naryono Eko Yudiyanto Elka Faizal Eryk Eryk Faizal, Elka Faizul Ahmad Jatmiko FATHUR ROHMAN gumono Hari Rarindo Harie S. Jaya Harijono, Agus Haris Puspito Buwono Hilmi Iman Firmansyah Imam Mashudi IRWAN HERYANTO ERYK Irwan Heryanto/Eryk Jaya Harie Satiyadi Khalimatus Sa'diyah Kris Witono Kris Witono Kurnia, Arindrian Lisa Agustriyana Ludfi Setiawan Lulut W M Hasyim Nurwansyah M. Hilmi Syiva Afiat M. N. Wahyudi Abdullah M. Zusriansyah Fahrudin Harahap Mardyansyah, AA Martawati, Mira Esculenta Maskur Maskur Masramdhani Saputra Mira Esculenta Martawati Mira Esculenta Martawati Mirza Fathus Syifa Alfarisyi Moh. Hartono Mohammad Noor Hidayat Mohammad Noor Hidayat Mokhammad Khatami Muhamad Hanifudin Muhamad Zulvi Anam Muhammad Fakhruddin Nanang Qosim Novembrian Isam Dinata Nugroho Suharto Nugroho, Pipit Wahyu Nurhadi - Pondi Udianto Priya Surya Harijanto Putu Wijaya Sunu Qais Rakhmanda Yoga Pratama R.N. Akhsanu Takwim, R.N. Akhsanu Rahmad, Cahya Rahmat Muhamad Hudan Raihan Insan Nararya Ridho Ilham Ronilaya, Ferdian Sapto Wibowo Satworo Adiwidodo Subagiyo Subagiyo Sugeng Hadi Sugeng Hadi Susilo Sugeng Hadi Susilo Sugeng Hadi Susilo Sugeng Hadi Susilo Sulistyono Sulistyono Suyanta Suyanta Syamsul Ph.D M.A. Hadi Thomas Adikusuma Walid, Achmad Yudianto, Eko

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