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All Journal Transmisi Jurnal Inotera Energy : Jurnal Ilmiah Ilmu-Ilmu Teknik CERMIN: Jurnal Penelitian Mechonversio: Mechanical Engineering Journal TEKIBA : Jurnal Teknologi dan Pengabdian Masyarakat
Dewi, Indah Noor Dwi Kusuma
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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 Economics, Econometrics & Finance Education Electrical & Electronics Engineering Energy Engineering Industrial & Manufacturing Engineering Materials Science & Nanotechnology Mechanical Engineering Social Sciences

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Pengaruh Ukuran Mesh Terhadap Karakteristik Fisik dan Kimia Biobriket Biji Kesambi Prasetiyo, Dani Hari Tunggal; Muhammad, Alief; Dewi, Indah Noor Dwi Kusuma; Supraptiningsih, Linda Kurnia; Achmadin, Wahyu Nur
CERMIN: Jurnal Penelitian Vol 7 No 2 (2023): Agustus - Desember
Publisher : Lembaga Penelitian dan Pengabdian kepada Masyarakat - Universitas Abdurachman Saleh Situbondo

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.36841/cermin_unars.v7i2.3626

Abstract

Kebutuhan energi diperkirakan terus meningkat seiring dengan meningkatnya jumlah penduduk dan kemajuan teknologi. Salah satu bentuk energi yang bersumber dari fosil adalah batu bara. Batu bara berasal dari sisa pelapukan makhluk hidup, memiliki keterbatasan dari jumlah yang tersedia di alam. Oleh sebab itu, diperlukan upaya untuk mencari dan meneliti energi alternatif pengganti batu bara. Salah satu energi alternatif pengganti batu bara adalah biobriket. Biobriket merupakan bahan bakar alternatif yang berasal dari bahan nabati. Salah satu bahan nabati yang dapat digunakan sebagai bahan baku biobriket adalah biji dari buah kesambi. Pada penelitian ini, sintesis biobriket dilakukan dengan memvariasikan ukuran bahan baku. Ukuran mesh sebesar 20, 30 dan 40. Penelitian dilakukan untuk mengetahui nilai kalor, kadar air dan kadar abu yang dihasilkan. Hasil pengujian menunjukkan bahwa nilai kalor tertinggi sebesar 5.578,36 cal/g dengan menggunakan ukuran mesh 40. Kadar air tertinggi terdapat pada ukuran mesh 20 dengan nilai sebesar 11,26% sedangkan kadar abu tertinggi sebesar 0,58% dengan ukuran mesh 20.
UJI KOMPARASI VOLUME MESIN BAKAR TERHADAP BAHAN BAKAR YANG DIGUNAKAN Achmadin, Wahyu Nur; Dewi, Indah Noor Dwi Kusuma; Prasetiyo, Dani Hari Tunggal; Swari, Utami Ratna; Defriatno, Mawan Eko
Mechonversio: Mechanical Engineering Journal Vol. 6 No. 2 (2023): DESEMBER 2023
Publisher : Univervitas Maarif Hasyim Latif

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.51804/mmej.v6i2.16370

Abstract

Uji komparasi mesin bakar bervolume 110 cc dengan mesin bakar bervolume 125 cc telah dilakukan. Bahan bakar yang digunakan pada penelitian ini adalah jenis pertamax turbo. Penelitian ini bertujuan untuk mengetahui perbandingan yang terjadi pada mesin bakar bervolume berbeda dengan menggunakan bahan bakar yang sama. Metode yang digunakan adalah menganalisa nilai daya tertinggi pada masing-masing mesin bakar pada putaran mesin. Penelitian ini memberikan hasil bahwa daya terbesar pada masing-masing mesin bakar yang diuji terletak pada putaran 7000 rpm, dengan mencapai 12 hp pada mesin bakar volume 110 cc serta 7,4 hp pada mesin bakar volume 125 cc. Hasil yang diperoleh adalah daya yang dihasilkan pada mesin bakar bervolume 110 cc lebih besar dibandingkan dengan mesin bakar bervolume 125 cc. Hal ini disebabkan volume yang bekerja pada mesin mempengaruhi jumlah beban pembakaran yang terjadi di mesin bakar
Analisis Pengaruh Variasi Sudu terhadap Kinerja Kincir Angin Poros Horizontal Noor, Muhammad Fathuddin; Dewi, Indah Noor Dwi Kusuma; Muhammad, Alief
TRANSMISI Vol 18, No 1 (2022): March 2022
Publisher : Universitas Merdeka Malang

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.26905/jtmt.v18i1.7931

Abstract

Indonesia is one of the countries with abundant natural resources that have the potential to become renewable energy at this time, the development of renewable energy is the focus of research because Indonesia is in the middle of the equator which makes more air movement, dependence on fossil fuels can be solved by using wind-powered energy. This study aimed to determine the performance of a horizontal axis windmill with a diameter of 30 cm with variations of 3 blades and 4 blades at a height of 22 meters from the ground. The results of the horizontal axis windmill research that has been carried out in this study can be seen that the wind speed at the 3 blade variation produces the lowest wind speed of 2.0 m/s with a blade rotation of 14.9 rpm and a generator output of 1.12 volts. The highest wind speed is 3.7 m/s with a blade rotation of 28.9 rpm and a generator output of 3.84 volts, while in variation 4 the lowest wind speed is 2.8 m/s with a blade rotation of 29.2 rpm and the generator output is 2.5 volts, while the highest wind speed is 4.3 m/s with a blade rotation of 42.2 rpm and the generator output is 4.9 volts.
Uji Pengaruh Penambahan Siklon Terhadap Kualitas Asap Cair Aldhiansyah, Olana; Noor, Muhammad Fathuddin; Dewi, Indah Noor Dwi Kusuma
Energy - Jurnal Ilmiah Ilmu-Ilmu Teknik Vol 14 No 2 (2024): Jurnal Energy Vol. 14 No. 2 November 2024
Publisher : Fakultas Teknik

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.51747/energy.v14i2.2088

Abstract

Bintaro fruit is a drupa (seeded) fruit with lignocellulosic fiber resembling a coconut. The presence of cellulose content makes bintaro fruit potentially in the manufacture of bioethanol through a hydrolysis process that breaks down cellulose into glucose which is the raw material for bioethanol fermentation. Pyrolysis is a process of heating a substance in the absence of oxygen resulting in the decomposition of hardwood constituent components and producing substances in three forms, namely solid, liquid and gas. Pyrolysis has been used since ancient times to turn wood into charcoal on an industrial scale. This research is using experimental method. The experimental method is used to determine the effect of using a cyclone on the pyrolysis process. The final result is liquid smoke whose characteristics will be compared before and after the installation of the cyclone. The effect of pyrolysis temperature on liquid smoke can affect the resulting liquid smoke yield. Temperature and time can have an important effect on increasing the liquid smoke yield to conditions where gas production that is difficult to condense will lower the liquid obtained, so that further increases in temperature and time will reduce the liquid smoke yield. In the addition of cyclones to pyrolysis which aims to produce a clear liquid quality. In testing the addition of a cyclone to pyrolysis, it can produce clear liquid coming out of the condenser compared to a cyclone which produces a dark black color. It should be noted and tested first to find out the occurrence of leaks in the reactor tube and also pay attention to the raw material for Bintaro fruit so that it dries first before carrying out further research. It is necessary to check before conducting research on the temperature sensor cable so that it is safe not to be exposed to hot coals in order to get efficient results..
Pengenalan dan Penerapan Biopori Sebagai Lubang Resapan di SMPN 2 Dringu Kabupaten Probolinggo Dewi, Indah Noor Dwi Kusuma; Muhammad, Alief; Baihaqi, Mas Ahmad; Hermawan, Nanang; Triyastutik, Annisa Ayu; Dini, Joko Sugiono Eka Prasetya; Putri, Salsabillah Widya Eka; Kurniawan, Tri Nanda Indra; Nisak, Indani Khoirun; Setyawati, Ika
TEKIBA : Jurnal Teknologi dan Pengabdian Masyarakat Vol. 4 No. 2 (2024): TEKIBA : Jurnal Teknologi dan Pengabdian Masyarakat
Publisher : Fakultas Teknik, Universitas PGRI Banyuwangi

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.36526/tekiba.v4i2.4290

Abstract

The community service activity at SMPN 2 Dringu in Probolinggo Regency aimed to address environmental issues within the school, specifically the frequent waterlogging in certain areas that disrupted activities and posed safety risks. As a solution, the introduction and implementation of Biopore Infiltration Holes (LRB) were carried out at the school. Biopores function to enhance water infiltration, reduce waterlogging, and improve soil quality. This community service activity involved observation, preparation, as well as conducting educational sessions and practical biopore planting by students, with the goal of raising awareness and enhancing capabilities in addressing environmental issues. The results of the activity showed a reduction in waterlogging duration by up to three hours and a decrease in organic waste volume through the use of biopores as compost. The implementation of biopores not only helped mitigate flood risks but also improved the school's environmental quality, supporting sustainability and environmental health.
Feasibility Analysis of Industrial-Scale Pyrolysis of 200 kg Polyethylene and Polystyrene Plastic Waste Dewi, Indah Noor Dwi Kusuma; Muhammad, Alief; Achmadin, Wahyu Nur; Andrie; Helsinky, Mava Nurhaliza; Aprillia, Wulan
Jurnal Inotera Vol. 10 No. 1 (2025): January-June 2025
Publisher : LPPM Politeknik Aceh Selatan

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.31572/inotera.Vol10.Iss1.2025.ID461

Abstract

This study analyzes the feasibility of industrial-scale pyrolysis of polyethylene (PE) and polystyrene (PS) plastic waste with a feedstock capacity of 200 kg per day. PE and PS plastics are pyrolyzed at temperatures of 400°C, 450°C, and 500°C until the feedstock is fully decomposed, indicated by the cessation of smoke emission from the reactor. The optimal conditions obtained are then used as a reference for energy calculations in a 200 kg industrial-scale process. The pyrolysis duration varies depending on the type of plastic and operating temperature, with the longest time recorded for PE pyrolysis at 450°C for 98 minutes, while the shortest time was observed for PS pyrolysis at 400°C for 31 minutes. The resulting heating rate indicates that higher temperatures lead to lower heating rates for both PE and PS plastics. The results indicate that increasing the temperature enhances the oil yield (v/wo) up to a certain limit before it begins to decline. The pyrolysis oil yield from PS plastic is higher than that from PE, as styrene monomers naturally exist in a liquid phase. The oil yield from PS remains relatively constant despite temperature increases, whereas the yield from PE follows an increasing trend before declining at the highest temperature. The decrease in PS pyrolysis oil density at higher temperatures also suggests differences in physical characteristics compared to PE. The energy consumption analysis indicates that PS plastic pyrolysis requires more energy than PE, with an average energy consumption of 75.14–77.57 kJ/g for PS and 18.7–33.94 kJ/g for PE. However, the oil yield from PS reaches approximately 79–80% of its initial weight, which is higher than that of PE pyrolysis oil. From an economic perspective, converting PE and PS plastic waste into fuel is not entirely feasible, as the energy produced is insufficient to sustain the pyrolysis process itself. The revenue from selling PE pyrolysis oil amounts to Rp 14,729,000 per month, while PS pyrolysis oil generates Rp 30,927,000 per month. Nevertheless, the social benefits of reducing plastic waste provide an added value that cannot be overlooked.
Co-Authors Achmadin, Wahyu Nur Aldhiansyah, Olana Alief Muhammad Andrie Aprillia, Wulan Dani Hari Tunggal Prasetiyo Defriatno, Mawan Eko Dini, Joko Sugiono Eka Prasetya Helsinky, Mava Nurhaliza Hermawan, Nanang Kurniawan, Tri Nanda Indra Linda Kurnia Supraptiningsih Mas Ahmad Baihaqi Nisak, Indani Khoirun Noor, Muhammad Fathuddin Putri, Salsabillah Widya Eka Setyawati, Ika Swari, Utami Ratna Triyastutik, Annisa Ayu Wahyu Nur Achmadin