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All Journal JTM Prosiding Seminar Nasional Program Pengabdian Masyarakat
Prasetya, Sigit
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Agriculture, Biological Sciences & Forestry Automotive Engineering Chemical Engineering, Chemistry & Bioengineering Economics, Econometrics & Finance Energy Engineering Industrial & Manufacturing Engineering Mechanical Engineering Medicine & Pharmacology Social Sciences

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PENGARUH PENAMBAHAN ZAT ADITIF PADA OLI SCOOTER MATIC TERHADAP PERUBAHAN TEMPERATUR DALAM PEMANASAN MESIN Prasetya, Sigit; Hartono, Priyagung; Rahardjo, Artono
Jurnal Teknik Mesin Vol 3, No 02 (2014): Jurnal Teknik Mesin
Publisher : UNIVERSITAS ISLAM MALANG

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (144.597 KB)

Abstract

Pelumas berfungsi sebagai lapisan pelindung yang memisahkan dua permukaan yang berhubungan. Beberapa pelumas sudah memiliki formula khusus yang aktif mengunci partikel carbon agar tidak terjadi penumpukan, formula ini berupa aditif yang terkandung dalam pelumas. Aditif diperlukan karena minyak dasar (base oil) penyulingan dari minyak mentah tidak bisa langsung dipakai sebagai pelumas dan harus ditambah aditif. Pelumas memegang peranan penting dalam proses pengisapan panas pada daerah suhu tinggi dan memindahkanya ke media lain yang lebih dingin dan tugas ini memerlukan sirkulasi pelumas dalam jumlah banyak dan konstan. Sangat sedikit sifat-sifat yang di miliki pelumas untuk mengendalikan suhu padahal penggunanaan yang sebenarnya dari pelumas cair yang terpenting adalah mengendalikan suhu Kenaikan suhu akan berakibat melemahkan ikatan molekul yang kemudian menurunkan viskositasnya, viskositas semua jenis fluida atau cairan akan menurun dengan naiknya suhu. Ini akan terlihat jelas dengan pelumasan yang berasal dari minyak bumi yang digunakan di dalam mesin otomotif. Pelumasharusmemilikikekentalanlebihtepatpadatemperaturtertinggiatautemperaturterendahketikamesindiop erasikan.Dengandemikian, olimemiliki grade (derajat) tersendiri yang diaturolehSociety of Automotive Engineers(SAE). Bilapadakemasanolitersebutterteraangka SAE 5W-30 berarti 5W (Winter) menunjukkan pada suhu dingin oli bekerja pada kekentalan 5 dan pada suhu terpanasakan bekerja pada kekentalan 30.
Pelatihan Pengolahan Sampah Organik untuk Memberi Nilai Tambah Terhadap Limbah di Padukuhan Bandaran Muthmainni, Ainun Nafsi; Febrianti, Lidia; Permatasari, Kiki; Fakhriya, Naidan Tsaqif Dwi; Prasetya, Sigit; Hanianjaya, Shaka; Siwi, Pramesti; Benita, Alodia; Syahputra, Raihan Dhimas; Ananta, Muhammad Rifki Agung; Azmawati, Dian
Prosiding Seminar Nasional Program Pengabdian Masyarakat Vol. 8 No. 1 (2025): Rekonstruksi Pendidikan di Indonesia
Publisher : Universitas Muhammadiyah Yogyakarta

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.18196/ppm.81.1315

Abstract

The community of Padukuhan Bandaran can now sort waste independently, where the collected waste is transported to the TPST (Integrated Waste Disposal Site). Inorganic waste has its own management, while organic waste has not been processed, so the waste will be disposed of without any further efforts. The community in Padukuhan Bandaran has not been able to utilize organic waste optimally, even though organic waste can be used to be processed into liquid fertilizer or compost. Seeing conditions like this, it not only has an impact on environmental pollution but can also cause health problems for the community. This community service program aims to contribute to efforts to increase knowledge and awareness of environmental cleanliness through the utilization of household waste produced by the community in Padukuhan Bandaran. The method used is to conduct socialization and practice in processing organic waste. The level of community participation, knowledge, and awareness were measured before and after the implementation of the program. The results obtained from the socialization activities showed a significant increase in all aspects observed. The participation aspect showed good results, this was indicated by the participation of 29 people in the socialization activities. The aspect of community knowledge increased, this was indicated by the results of the pre-test and post-test carried out. The aspect of increasing public awareness, this is indicated by the emergence of enthusiasm to try the organic waste processing method of stacked buckets and losida. This program provides a foundation for sustainable waste processing so that a better environment can be created. The sustainability of the program is directed at habituating the community so that this activity can become routine and be emulated by communities in other areas.
Co-Authors Ananta, Muhammad Rifki Agung Azmawati, Dian Benita, Alodia Fakhriya, Naidan Tsaqif Dwi Hanianjaya, Shaka Lidia Febrianti, Lidia Muthmainni, Ainun Nafsi Permatasari, Kiki Priyagung Hartono Rahardjo, Artono Siwi, Pramesti Syahputra, Raihan Dhimas