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All Journal Jurnal Teknik Pertanian Sriwijaya Jurnal BETA (Biosistem dan Teknik Pertanian) Jurnal Keteknikan Pertanian agriTECH Jurnal FishtecH Seminar Nasional Lahan Suboptimal PengabdianMu: Jurnal Ilmiah Pengabdian kepada Masyarakat Jurnal Teknologi Pertanian Andalas Agroteknika Jurnal Pengabdian Masyarakat Bumi Raflesia Jurnal Polimesin
Tamaria Panggabean
Program Studi Teknik Pertanian, Jurusan Teknologi Pertanian, Universitas Sriwijaya Jl. Raya Palembang- Prabumulih Km. 32 Indralaya Ogan Ilir 30662
Agriculture, Biological Sciences & Forestry Humanities Automotive Engineering Biochemistry, Genetics & Molecular Biology Computer Science & IT Control & Systems Engineering Economics, Econometrics & Finance Education Energy Engineering Languange, Linguistic, Communication & Media Law, Crime, Criminology & Criminal Justice Materials Science & Nanotechnology Mechanical Engineering Public Health Social Sciences Other

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Experimental study on energy performance of a mobile biomass-fueled drying furnace using sawdust Panggabean, Tamaria; Helda, Helda; Robbani, Syifa
Jurnal Polimesin Vol 23, No 3 (2025): June
Publisher : Politeknik Negeri Lhokseumawe

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.30811/jpl.v23i3.6412

Abstract

The development of energy-efficient, mobile dryers using biomass fuel remains a challenge, particularly for rural agricultural applications. This study experimentally evaluates the energy performance of a mobile drying furnace fueled by sawdust, focusing on the effects of fuel feeder rotational speed (25, 30, and 35 rpm). Key performance metrics include temperature distribution, fuel consumption rate, thermal efficiency, and energy balance. The furnace is equipped with a screw conveyor, combustion chamber, and heat exchanger, with temperature monitored via IR thermometers. The highest thermal efficiency of 37.64% was achieved at 25 rpm, with a fuel consumption rate of 4.25 kg/h and total energy output of 110,144 kJ. At 35 rpm, energy output peaked at 188,369.12 kJ, but efficiency declined to 22.41% due to incomplete combustion. All settings-maintained outlet air temperatures between 43.08–46.08°C, suitable for grain drying. Energy balance analysis revealed that 80.92% of total input energy was transferred to the drying chamber at 35 rpm. These findings suggest that moderate feeding speeds (25–30 rpm) offer the best trade-off between efficiency and energy delivery, confirming the potential of mobile, sawdust-fueled systems for sustainable drying in off-grid settings.
DESAIN TUNGKU PENGERING MOBILE BERBAHAN BAKAR SERBUK GERGAJI Panggabean, Tamaria; Tunggal, Tri; Kuncoro, Endo Argo
Jurnal Teknologi Pertanian Andalas Vol 28 No 1 (2024)
Publisher : Universitas Andalas

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.25077/jtpa.28.1.28-36.2024

Abstract

This research was motivated by the use of a fixed bed furnace. Fixed bed furnaces are less effective because their use is fixed.  The purpose of this research was to design a mobile drying furnace fueled by sawdust biomass.  This research uses an experimental method with 3 stages of design, namely design approach, functional design and structural design. The data obtained were analyzed descriptively. The result of this research is a mobile drying furnace designed consisting of a fuel feeder, fuel channel, hopper, combustion chamber and heat exchanger chamber, chimney and furnace outlet channel and channel after the fan that can function properly. Furnace testing was carried out using sawdust fuel. The resulting feed speed is 10.3 kg/hour, the capacity of the combustion chamber for sawdust is 3.4 kg, the average temperature in the fuel feeder is 40.41 °C, in the combustion chamber 414.57 °C, in the heat exchanger 79.80 °C, in the chimney 104.11 °C, in the furnace outlet channel 62.77 °C, in the channel after the fan 46.08 °C, the sawdust fuel consumption rate was 5.8 kg/hour and the furnace efficiency obtained in the study was 53.90%. The resulting hot air temperature can be used for drying grain.Key words:  design, efficiency furnace, mobile drying furnace, temperature
Pemanfaatan Perkarangan Berbasis Hidroponik Meningkatkan Kesejahteraan Masyarakat Desa Sumber Rahayu, Kecamatan Rambang, Muara Enim: Utilization of Hydroponic-Based Yards to Improve the Welfare of the Community of Sumber Rahayu Village, Rambang District, Muara Enim Triana, Arjuna Neni; Puspitahati, Puspitahati; Rejo, Amin; Prima, Fidel Harmanda; Saleh, Edward; Hersyamsi, Hersyamsi; Iskandar, K.H.; Panggabean, Tamaria
PengabdianMu: Jurnal Ilmiah Pengabdian kepada Masyarakat Vol. 10 No. 12 (2025): 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.v10i12.10445

Abstract

This community service activity aims to enhance the gardening skills of residents in Sumber Rahayu Village, Rambang District, Muaraenim Regency, by teaching them to grow vegetables in their yards using hydroponic technology. This activity includes socialization, counseling, training, and coaching on hydroponic technology. The results of the activity demonstrate that hydroponic technology is effective in enhancing the community's ability to grow vegetables, with high levels of participant satisfaction (88% for satisfaction, 90% for interest, and 80% for meeting expectations). This activity opens up opportunities for the community to strive for independent food sources and increase food security, and the positive impact of this activity is evident in its sustainability.
INTRODUCTION OF EVAPOTRANSPIRATIVE MAPPING SYSTEM AND ORGANIC FARMING IN HORTICULTURE CULTIVATION APPLICATION TO SUPPORT AGRO-INDUSTRY IN GEM NEW VILLAGE, NORTH INDRALAYA SUB-DISTRICT, OGAN ILIR DISTRICT, SOUTH SUMATRA Hilda Agustina; Henny Malini; Primayoga Harsana Setyaaji; Edward Saleh; Puspitahati; Tamaria Panggabean
Jurnal Pengabdian Masyarakat Bumi Rafflesia Vol. 8 No. 1 (2025): APRIL: Jurnal Pengabdian Kepada Masyarakat Bumi Raflesia
Publisher : Universitas Muhammadiyah Bengkulu

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

Abstract

Masyarakat Desa Permata Baru, yang terletak di Kecamatan Indralaya Utara, Kabupaten Ogan Ilir, menjadi fokus utama pelaksanaan kegiatan pengabdian sosialisasi tahun 2024 oleh tim pengabdian Universitas Sriwijaya. Sebagai salah satu desa binaan universitas, Permata Baru menyimpan potensi agraris yang menjanjikan, tidak hanya terbatas pada pertanian lahan basah, namun juga pertanian lahan kering atau ladang. Mayoritas petani di desa ini memiliki keahlian dalam menghasilkan beragam komoditas, mulai dari jeruk lemon, aneka sayuran, produk hortikultura yang bervariasi, hingga pembibitan kelapa sawit yang memiliki nilai ekonomi tinggi. Kendati demikian, praktik pertanian hortikultura di Desa Permata Baru saat ini sangat bergantung pada ketersediaan pupuk anorganik dan kondisi iklim yang seringkali tidak menentu. Keterbatasan pasokan pupuk anorganik bersubsidi di pasaran menjadi permasalahan krusial, sehingga memicu kenaikan harga yang signifikan. Situasi ini secara langsung membatasi hasil panen yang dapat diperoleh petani, yang pada akhirnya berdampak pada penurunan pendapatan mereka. Dalam upaya memberdayakan masyarakat dan meningkatkan kesejahteraan petani, khususnya mereka yang memiliki potensi produksi mandiri, Unit Pengelola Kegiatan (UPK) PKK "Beguyur" kembali diaktifkan pada tahun 2018 dengan mengusung sistem simpan pinjam. Langkah strategis ini diharapkan dapat memberikan akses modal bagi anggota PKK untuk mengembangkan usaha pertanian mereka. Adanya kegiatan sosialisasi mengenai sistem evapotranspiratif dan praktik pertanian organik direncanakan untuk memberikan pengetahuan dan keterampilan baru kepada petani dan anggota PKK "Beguyur". Diharapkan, melalui pemahaman dan penerapan metode pertanian berkelanjutan dan efisien, produksi pertanian dan pendapatan penduduk Desa Permata Baru dapat meningkat secara signifikan.
Comparative Financial Feasibility of Manual and GPS-Integrated Semi-Autonomous Boat Tractor Ownership in Wetland Agroindustry: Evidence from South Sumatra, Indonesia Aditya Alphnaori; Tamaria Panggabean; Amin Rejo
Agroteknika Vol 9 No 3 (2026): TERBITAN AKAN DATANG
Publisher : Green Engineering Society

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.55043/agroteknika.v9i3.772

Abstract

Boat tractors are essential for wetland mechanization, but their high cost and the added investment for semi-autonomous navigation raise financial viability concerns for smallholders farming less than 2 ha/year. This study compares manual versus GPS-integrated semi-autonomous boat tractor operation in shallow wetland conditions. Field experiments were conducted on a 0.09 ha plot in South Sumatra using an Agropro FS-28E tractor with a puddler. Technical parameters (operation time, field efficiency, fuel consumption) were measured for both modes. Financial analysis used NPV (6% discount rate), IRR, payback period, and ROI over five years under three annual tillage scenarios: 20, 40, and 60 ha/year. Field efficiency was 100% under manual operation compared with 42% under semi-autonomous operation, while fuel consumption was 1.01 L/ha and 2.40 L/ha, respectively. NPV was IDR -14.3 million (manual) and IDR -21.4 million (semi-autonomous). Manual became feasible at a minimum of 23.4 ha/year, semi-autonomous at ≥ 25.2 ha/year. At 60 ha/year, both were feasible, but manual generated higher NPV (IDR 153.6 vs 142.3 million) and shorter payback (1.5 vs 1.6 years). Under subsidized diesel (IDR 6,800/L) and service tariff (IDR 1.2 million/ha), the semi-autonomous system remains less attractive. A custom hiring service model is more suitable for smallholders with land below the break-even threshold.
Co-Authors Aditya Alphanori Aditya Alphnaori Amin Rejo Amin Rejo Amin Rejo Ari Hayati Basuni Hamzah Daniel Saputra Edward Saleh Eka Lidiasari Endo Argo Kuncoro Ervan Dinata Ginting Haisen Hower Handoko, Widi Haryani, Fatria Resti Helda Helda Henny Malini, Henny hersyamsi hersyamsi Hilda Agustina Holyness Nurdin Singadimedja Irmayanta Tarigan Iskandar, K.H. Nelwan, Leopold Oscar Nurul Izzah Aulia Oktarina, Della Parwiyanti Parwiyanti Prima, Fidel Harmanda Primayoga Harsana Setyaaji Purnomo, Rahmad Hari Puspitahati Puspitahati - R. Mursidi Ratna Juwita Robbani, Syifa Selly Oktarina Setyaaji, Primayoga Harsana Tineke Mandang Tri Tunggal Tri Tunggal, Tri Triana, Arjuna Neni Wawan Hermawan