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Peningkatan Kemampuan Berjalan Bagi Penyandang Tunadaksa Di Yayasan Ypac Pangkal Pinang Setiawan, Yudi; Ariksa, Jeri; Wijianti, Eka Sari; Saparin, Saparin; Taufiq, M Aries
Dharma Pengabdian Perguruan Tinggi (DEPATI) Vol 5 No 2 (2025): November 2025
Publisher : Fakultas Sains dan Teknik, Universitas Bangka Belitung

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.33019/hf4g8d45

Abstract

Efforts to develop assistive devices for children with disabilities at YPAC Foundation Pangkal Pinang, a school that provides education for children with special needs. This initiative is a form of commitment from the Mechanical Engineering Study Program in covering cooperation in the field of education at the YPAC Pangkal Pinang Foundation, where in 2023 the Mechanical Engineering Study Program at Bangka Belitung University has submitted a walking aid, but there is still much that needs to be developed from the device. The focus of this collaboration is aimed at children with disabilities, who have difficulty in mobility. Based on an evaluation by the UBB team with the General Chairperson of the YPAC Foundation, it was found that the device that we had submitted still had weaknesses in supporting walking training for children with disabilities, so that they still experienced difficulty and discomfort in experiencing walking. As a follow-up, the UBB Mechanical Engineering Team succeeded in updating a flexible walking aid that can be used by children of various ages, is safe when used and is expected to improve the mobility and quality of life of children with disabilities at the YPAC Pangkal Pinang Foundation.
The Effect of Air Velocity Variations on the Fire Characteristics and Water Heating Time in Used Oil-Fired Multifuel Stoves Muhammad Satya Putra Gantada; Yudi Setiawan; Saparin Saparin; Eka Sari Wijianti
Interdisciplinary Social Studies Vol. 4 No. 3 (2025): Regular Issue: April-June 2025
Publisher : International Journal Labs

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.55324/iss.v4i3.865

Abstract

One of the uses of used oil is as fuel for multifuel stoves. A multifuel stove is a stove that has flexibility in its fuel selection. In the operation of a multifuel stove, the air supply plays an important role in the combustion process. This study discusses the influence of air velocity on fire characteristics and water temperature during the heating process. In this study, three variations of air velocity were used, namely 13 m/s, 12 m/s, and 11 m/s. Based on the tests that have been carried out, it was found that the speed of air blown into the combustion chamber can affect the temperature and duration of the flame. The faster the speed of air that is blown into the combustion chamber, the higher the temperature of the flame will be, but the faster the fire will be extinguished. This is because more oxygen is supplied into the combustion chamber, causing the combustion process to take place more quickly and intensely. Meanwhile, regarding the water heating time, the time required by the three variations of air speed to heat 0.5 kg of water to boiling is 1.5–2 minutes, which surpasses the performance of gas stoves and conventional electric stoves.