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All Journal Jurnal Teknik Mesin Dharma Raflesia : Jurnal Ilmiah Pengembangan dan Penerapan IPTEKS
Yovan Witanto
Program Studi Teknik Mesin, Fakultas Teknik, Universitas Bengkulu
Agriculture, Biological Sciences & Forestry Humanities Automotive Engineering Education Energy Engineering Materials Science & Nanotechnology Mechanical Engineering Social Sciences Other

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PENDAMPINGAN PROGRAM ALIH TEKNOLOGI MESIN PEMOTONG SAYURAN UNTUK PENINGKATAN USAHA KUE TRADISIONAL YANG BERKUALITAS Yovan Witanto; Hendra Hendra; Anizar Indriani
DHARMA RAFLESIA Vol 17, No 2 (2019): DESEMBER (ACCREDITED SINTA 5)
Publisher : Universitas Bengkulu

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.33369/dr.v17i2.10071

Abstract

Pematang Gubernur, Muara Bangkahulu District, Bengkulu City, is a town where many people do small business making and selling traditional cakes or fried foods. This business uses vegetables, such as potato, carrot, cabbage   as base ingredients.  However, the people have not yet used technology to help them do the work, especially for the vegetable cutting process. Hence, they lack of time efficiency and consistency in size of the cut food. To overcome this, technology is needed in the form of a multipurpose vegetable cutting machine capable of cutting large capacity vegetables in no time. This community service activity aims to assist technology transfer programs to the community. The team of this program introduces the vegetable cutting machines, as well as providing and motivating ways to create, install and use vegetable cutting machines. Methods used in this program include assisting in the identification of vegetable / grass cutting machine components, design assistance, material selection and manufacturing of cutting machines and practice using cutting machines. The results show that participants are very interested in making and using the equipment. They expect the sustainability of this activity. Participants hope that this activity will be continued with training in making various forms of vegetable cutting mold. Different shapes of cutting is expected to get more attractive look of the food. 
Optimasi Pemanfaatan LPG Sebagai Bahan Bakar Genset Untuk Mendukung Program Penghematan Energi yovan witanto; Benny Dwika Leonanda
Jurnal Teknik Mesin Vol 16 No 2 (2023): Jurnal Teknik Mesin
Publisher : Politeknik Negeri Padang

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.30630/jtm.16.2.1113

Abstract

The use of LPG as a generator fuel needs to be optimized. For this reason, the correct LPG gas flow rate needs to be studied so that it becomes economical. The purpose of this study is to analyze the effect of fuel flow rate variation and Choke Valve variation on the performance of a 4-stroke generator. Gas enters the carburetor with varying gas flow rates of 3 L/minute, 4 L/minute, 5 L/minute and 6 L/minute. Then the generator is set to run stably on fully open, half and closed Choke Valve variations. From these variations, a combination is then sought to produce the smallest LPG flow rate with optimum power. The generator can operate well at flow rates of 4 L/min and 5 L/min with the Choke Valve variation position fully open. This shows that the ratio of LPG and air reaches the ideal condition so that the combustion process is complete. Optimization of LPG consumption in the generator is set at a flow rate of 4 L/minute with the Choke Valve fully open. Thus the excessive use of LPG can be saved.
Co-Authors Anizar Indriani Benny Dwika Leonanda Hendra Hendra