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Radite Praeko Agus Setiawan
Departemen Teknik Mesin Dan Biosistem, Fakultas Teknologi Pertanian, Institut Pertanian Bogor, Jl. Raya Darmaga Kampus IPB Darmaga, Bogor 16680
Agriculture, Biological Sciences & Forestry Biochemistry, Genetics & Molecular Biology Chemical Engineering, Chemistry & Bioengineering Computer Science & IT Control & Systems Engineering Decision Sciences, Operations Research & Management Energy Engineering Environmental Science

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Optimization of Suction Channel System on Vacuum-Type Soybean Seed Metering System Powered by Hand Tractor Adhiasta Faris Setiabudi; Wawan Hermawan; Radite Praeko Agus Setiawan
Jurnal Teknik Pertanian Lampung (Journal of Agricultural Engineering) Vol. 14 No. 2 (2025): April 2025
Publisher : The University of Lampung

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.23960/jtep-l.v14i2.391-403

Abstract

A vacuum-type soybean seeder powered by hand tractor for Indonesia’s local soybean has been developed to overcome soybean low productivity. The developed machine still has a weakness in the context of the suction channel system. This research was conducted to optimize the suction channel system efficiency, suction performance for bigger type of seed variety, and suction effect uniformity on all metering device. The research step consisted of seed characteristic measurement for two Indonesia’s common local soybean seed variety (Anjasmoro and Grobogan), suction channel system modification and analysis, and validation based on computational fluid dynamic (CFD). The result in this research are proposed 3-types of optimized model with final selection of 1-type of model, namely Branch model. The values produced by the optimized model compared to existing model respectively 3.393 kPa (CV 0.10%) and 3.112 kPa (CV 1.54%) for negative pressure, 14.39 m/s (CV 4.11%) and 9.08 m/s (3.44%) for suction velocity, as well as 117.342 Pa and 118.147 Pa for total pressure-loss. The required value for Anjasmoro and Grobogan seed variety respectively 3.094 kPa and 3.358 kPa for negative pressure pressure, as well as 10.22 m/s and 10.03 m/s for suction velocity. Hence, the selected optimized model is more efficient, uniform, and can accommodate required negative pressure pressure and suction velocity for both Anjasmoro and Grobogan, while the existing model can only accommodate Anjasmoro. Keywords: CFD, Metering device, Optimization, Pneumatic, Soybean.
Traction Performance Analysis of Three Models of Traction Device for Muddy Soil Frandy Mey Syaputra; Wawan Hermawan; Radite Praeko Agus Setiawan
Jurnal Teknik Pertanian Lampung (Journal of Agricultural Engineering) Vol. 14 No. 5 (2025): October 2025
Publisher : The University of Lampung

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.23960/jtepl.v14i5.1627-1637

Abstract

Muddy paddy fields cause the traction performance of conventional traction devices to be suboptimal. Research on the analysis of traction performance on various traction devices is needed. The objective of this research is to design, analyze traction performance, and determine the best design from three models of traction devices, i.e. 1) track type, 2) pedal type, and 3) screw type on deep muddy soil. The research method used in this study is experimental, testing the traction performance of the three models at soil bin in muddy soil conditions at 25 cm deep. The parameters measured during the traction performance test are slip, sinkage, and traction efficiency. The treatment used in this study is a vertical load ranging from 93.2 N to 222.7 N. The best traction device design was chosen using the Analytical Hierarchy Process method. The results show that the traction performance achieved the highest score in determining the best traction device design, with a score of 0.78 (track) for the minimum load, 0.83 (track) for the medium load, and 0.87 (track) for the maximum load. Therefore, the track design was ideal, scoring the highest across all parameters.
Co-Authors Abdul Azis Adhiasta Faris Setiabudi Agustami Sitorus Agustami Sitorus, Agustami Andreas . Aris Purwanto Armansyah H. Tambunan Armansyah Halomoan Tambunan Azmi Asyidda Mushoffa Bintang Sipartogi Panjaitan Budi Priyonggo Diang Sagita Diang Sagita Frandy Mey Syaputra Furqon I Dewa Made Subrata I Nengah Suastawa Joni Joni Joni Junita Tarigan Jusran Jusran Kiman Siregar Kiman Siregar Kiman Siregar, Kiman Lenny Saulia Linda Lestari Liyantono . Marpaung, Johana Mohamad Solahudin Muhammad Rizal Muhammad Sigit Gunawan Muhammad Zairin Yunior Muqroob Tajalli Nuargimah, Qouamunas Tsani Nugroho, Eko Fajar Obie Farobie Paulus Sukusno Pomalingo, Moh Fikri Prima Sanjaya Raju, Muhammad Rusnadi . Samsul Bahri Sebayang, Renaldi Setya Permana Setya Permana Sutisna Soeharsono . Syahrial Sabaniah Tatun Hayatun Nufus Tineke Mandang Ubaidillah . Wawan Hermawan Wawan Hermawan Yazid lzmi lntara