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Penerapan Teknologi Pengering Hygiene untuk Produk Tepung Mocaf di UMKM Davia Snack: Implementation of Hygiene Drying Technology for Mocaf Flour Products in Davia Snack MSME Dhanti, Kurnia Ritma; Saputra, Eqwar; Hidayah, Galih Wahyu
PengabdianMu: Jurnal Ilmiah Pengabdian kepada Masyarakat Vol. 11 No. Suppl-1 (2026): PengabdianMu: Jurnal Ilmiah Pengabdian kepada Masyarakat
Publisher : Institute for Research and Community Services Universitas Muhammadiyah Palangkaraya

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.33084/pengabdianmu.v11iSuppl-1.10442

Abstract

The purpose of this community service is to apply production technology, specifically a hygiene drying machine, to the Davia Mocaf Flour Business in Majalangu Village, Watukumpul. Through this activity, the Davia Mocaf flour production process will be optimized. This community service activity began with the planning, preparation, implementation, evaluation, and mentoring stages. The community service participants in this activity numbered 10, consisting of 4 men and 6 women. Participants were trained to operate the equipment, a dryer. Initially, the implementation team provided a tutorial from starting the machine to turning it off. The training process carried out shows that participants have increased their knowledge and understanding. Through this training, it is hoped that participants will be more enthusiastic about managing the products made in accordance with the teachings.
ENHANCEMENT OF HEAT TRANSFER PERFORMANCE OF FLAT VERTICAL TUBE USING SIO2/WATER NANOFLUIDS Saputra, Eqwar; Surono, Arif; Prasetyo, Andi; Afifah, Dini Nur; Aripin, Janatin Nur
Media Mesin: Majalah Teknik Mesin Vol. 27 No. 1 (2026)
Publisher : Universitas Muhammadiyah Surakarta

Show Abstract | Download Original | Original Source | Check in Google Scholar

Abstract

This research aims to evaluate the heat transfer characteristics of a radiator using silicon dioxide (SiO2) nanofluid. The study was conducted experimentally, and the research scheme consisted of a water/nanofluid reservoir tank, a heater for water heating, a pump to circulate water/nanofluid to the radiator, and a cooling fan to dissipate heat. The research results indicate a 15% increase in the average heat transfer coefficient at a temperature of 60°C. The maximum heat transfer enhancement occurred at a concentration of 0.2%, with a 21% increase at a Reynolds number of 3200 at a temperature of 60°C. At a temperature of 70°C, there was an 18% increase in the average heat transfer coefficient. The maximum heat transfer enhancement occurred at a concentration of 0.2%, with a 24% increase at a Reynolds number of 3200.