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All Journal Teknotan: Jurnal Industri Teknologi Pertanian Jurnal Keteknikan Pertanian agriTECH Jurnal Ilmiah Rekayasa Pertanian dan Biosistem Jurnal Irigasi Jurnal Teknik Pertanian Lampung (Journal of Agricultural Engineering) Batoboh : Jurnal Pengabdian Pada Masyarakat Jurnal Agricultural Biosystem Engineering
Budianto Lanya
Program Studi Teknik Pertanian, Fakultas Pertanian, Universitas Lampung, Jl. Sumantri Brojonegoro, No. 1, Bandar Lampung 35145
Agriculture, Biological Sciences & Forestry Arts Humanities Automotive Engineering Civil Engineering, Building, Construction & Architecture Education Engineering Environmental Science Materials Science & Nanotechnology Social Sciences Other

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DESIGN OF SOLAR THERMAL COLLECTOR TOOL WITH THERMOSIFON SYSTEM Rahman, Mulia; Lanya, Budianto; ., Tamrin
Jurnal Teknik Pertanian Lampung (Journal of Agricultural Engineering) Vol 2, No 2 (2013)
Publisher : The University of Lampung

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Abstract

Limited availability of fossil energy requires us to find for alternative energy to meet our needs. Solar thermal collector with thermosifon system is one of environmentally friendly alternative energy. The thermosifon system is a natural pump which work based on density difference between cool water and hot water, so that no electric pump is needed. The purpose of this research was to create a mean of collecting solar thermal energy with thermosifon system. The research steps consist of designing, manufacturing, and testing. Thermal collector was made with dimension of 1,5 m long, 1,0 m wide and 1,0 m high, with storage tank capacity of 20 lt.  Collector testing was conducted by putting the equipment at an open space from a clock 08:00 – 16:00. It was found that the highest efficiency of solar collector (11,2 %) occurred on July 11, 2012 with an average solar intensity of 756 W/m2, where as the lowest efficiency  (8,8 %) occurred on July 7, 2012, with the average solar intensity 479 W/m2. The highest average temperature of the storage tank was 44,7 ºC on July 13, 2012 while the lowest average temperature was 35,3 ºC on July 12, 2012. Keywords: Solar Collector, Thermosifon, Radiaton Intensity, Thermal Efficiency
TECHNICAL AND COST PERFORMANCE OF MICROHYDRO POWER PLANT Haryanto, Agus; Fauzan, Muhamad Inu; Lanya, Budianto
Jurnal Teknik Pertanian Lampung (Journal of Agricultural Engineering) Vol 2, No 1 (2013)
Publisher : The University of Lampung

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Abstract

The increase in electricity consumption in one side and the depletion of fossil fuel sources in the other side have triggered Indonesia to support any development of renewable-based electricity generation, including microhydro-based power plant. The objective of this research was to investigate technical and cost performance of microhydro power plant. Observation was conducted on four microhydro power plants located in Bogorejo village, Sub district of Gedong Tataan, Pesawaran District, Lampung Province. The plants were developed and self-managed by the community. Parameters to be measured or recorded included head of water, voltage and electrical current produced from the generator, number of family serviced by the plant, and electricity price that community should pay. Results showed that power output of the plants was ranging from 314 to 1805 W with 2 to 20 families were serviced for each unit. The research revealed that output power was related to the combination factor of head, the diameter of base penstock pipe, and inverse of generator’s pulley size. The output power was also linearly related to installation cost. With an installation cost of 8 to 40 million rupiahs per unit, the electric energy price was in the window of 633 to 973 rupiahs per kWh. It was concluded that Rohman’s microhydro, with power output of 1805 W and energy price of Rp.633/kWh, was the best compared to the others. Keywords: microhydro, performance, energy price, power
RANCANG BANGUN BUCKET ELEVATOR PENGANGKAT GABAH Suhendri, Ohen; ., Tamrin; Lanya, Budianto
Jurnal Teknik Pertanian Lampung (Journal of Agricultural Engineering) Vol 3, No 1 (2014)
Publisher : The University of Lampung

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (771.418 KB) | DOI: 10.23960/jtep-l.v3i1.%p

Abstract

Farmers are generally included the grain into sacks manually way is to use the tub or bucket.  It certainly require excessive manpower.  An option to helping that activity by using mechanical handling devices such as bucket elevator.  This research aims to design, manufacture and test of bucket elevators for handling of grain.  The method used in this research is the design, manufacture and testing process.  Design process is done using software autoCAD, which is followed by a manufacturing.  The next process is the testing performed by two operators and three variation rotation.  After doing the design and manufacture, it produced a bucket elevator with chain tilt angel 60º, 76,3 cm length, 74,15 cm width and 146 cm high.  From the test results, obtained volume of bucket 0.410 liter/bucket.  Capacity bucket elevator reach          20 kg/min, 16 kg/min and 14 kg/min at 54 rpm, 39 rpm and 45 rpm rotation sprocket.  The highest capacity 20 kg/min achieved at 5 inch diameter pulley, with 54 rpm rotation sprocket. Keywords: Design, grain, bucket elevator, volume bucket, capacity bucket elevator.
Design and Performance Test of Corn Rice Granulator Machine ., Warji; Lanya, Budianto; Hardika, Gerry
Jurnal Teknik Pertanian Lampung (Journal of Agricultural Engineering) Vol 2, No 2 (2013)
Publisher : The University of Lampung

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (797.063 KB) | DOI: 10.23960/jtep-l.v2i2.%p

Abstract

Development in science and technology today has been able to produce instant nutritious foods, such as imitation rice.  The application of conventional technologies in the granulation process causes minimal quantity and quality of the imitation rice with corn feedstock generated.  The purpose of this research was to design and to test its performance. This research was conducted at the Laboratory of Agricultural Engineering, Agricultural Engineering Department, University of Lampung.  This research procedures included several stage: design, assembly, testing, observation and data analysis.  The corn rice granulator machine is designed to the specifications of length 140 cm, width 75 cm, and height 170 cm and comes also with other components, such as hopper,  sprayer, sweeper, corn rice container, electric motors, gearboxes, pillow block, and couple units.  Some of component settings in the testing of this machine: the slope of granulator pan at 35°, discharge of hopper 0,2 kg/sec, discharge of water sprayer 0,54 mℓ/sec, speed of granulator pan rotation 28 RPM, and the clearance between corn rice container and granulator pan by 5 cm.  The results showed that, this granulator machine had production capacity of wet corn rice up to 10,92 kg/hour, and efficiency of granulation up to 78,18%, for the raw material with composition 75% corn flour and 25% tapioca flour. Keywords: Granulator Machine, Imitation Rice, Corn.
UJI KINERJA PENJEMURAN GABAH PADA PARA-PARA MEKANIS DENGAN TIGA KONDISI LINGKUNGAN Setiawan, Mahendra Dwi; ., Tamrin; Lanya, Budianto
Jurnal Teknik Pertanian Lampung (Journal of Agricultural Engineering) Vol 3, No 1 (2014)
Publisher : The University of Lampung

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Abstract

Traditional grain drying is a practical way of drying grain, cheap, simple and commonly used by farmers.  Grain is spread on the floor which causes grain mixed rock and dirt around the drying floor.  Disadvantages in traditional grain drying are it requires a lot of manpower to spread, to flip back and to collect the grain, and requires large floor for drying.  On the other hand, grain drying using mechanical rack has the advantage that it avoids some of the grain that is not mixed with rock and dirt while drying, shorten the drying time, and easily move the grain when it rains. The purpose of this study was to test the performance of mechanical dryer.  The experiments were set up with drying treatment at 80 cm above the surface of the cement floor, on top of grassy land surface, and on the surface of rocky land with 4 cm thick of sample. The parameters measured in this study were consisted of drying time, moisture content, drying rate, energy of radiation received, the energy to evaporate the water and heats of the material, and drying efficiency. The results of research on the treatment of three environmental conditions indicated that. The average water content was 13.90% wb, 13.82% wb, and 13.98% wb respectively for the surface of the cement floor, on top of grassy land surface, and on the surface of rocky land. The average drying rates in this study were 0.494% /h for the surface of cement floor, 0.487% /h for on top of grassy land surface, and 0.534% /h for on the surface of rocky land.  Drying time in this study were 10 - 11 hours with an average radiation energy received on this experiment at 614.42 Watt/m2. Drying efficiency of each treatment were 12.58%, 12.43%, and 13.72% respectively for the surface of the cement floor, on top of grassy land surface, and on the surface of rocky land. From the observations and calculations derived drying over the surface of cement floor, on top of grassy land surface, and on the surface of rocky land are recommended for drying using a mechanical rack dryer. Keywords: Drying, grain, mechanical rack
PERFORMANCE TEST OF LAB SCALE BATCH FOR ROUGH RICE DRYING USING HUSK OF RICE FUEL Meylani, Sri Rezeky; ,, Tamrin; ,, Warji; Lanya, Budianto
Jurnal Teknik Pertanian Lampung (Journal of Agricultural Engineering) Vol 2, No 3 (2013)
Publisher : The University of Lampung

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Abstract

The increase in fuel prices and electricity, husk of rice can be used by farmers as alternative energy for rough rice drying. Mechanical drying such as by using batch dryer can be used to overcome the advantage of sun drying especially in rainning season. This research aim to examine the performance of batch dryer lab scale (capacity of 15 kg - 25 kg of grain) with husk of rice fuel. This research was conducted at three variations of thickness which were 15,3 cm, 20,3 cm, and 25,5 cm. The results showed that the average of drying temperature and moisture content for the treatments were respectivelly, 34,78 °C and 13,97%; 34,20°C and 13,77%; 37,92 °C and 13,67%. The higher temperature used the shorter the drying time and the less thick of rough rice the shorter the drying process. The number of rice husk fuel used for the three different thicknesses were 12 kg, 14 kg and 16 kg, respectivelly. Further, the drying durations for each treatments were 10 hours, 11,3 hours, and 12 hours, respectivelly and the drying efficiencies were 3,05%, 3,41%, and 3.63%, respectivelly. One kg of rice husk could be used to dry about 1,35 kg of wet rough rice. Keywords: Rough rice, Batch dryer, Drying, Fuel, Husk of rice.
APLIKASI IRIGASI PORTABLE SPRINKLER PADA TANAMAN PAKCOY (BRASSICA JUNCEA L.) DI DESA MARGA AGUNG KECAMATAN JATI AGUNG LAMPUNG SELATAN Kiki Dwi Okvidiantoro; Ahmad Tusi; Budianto Lanya
Teknotan: Jurnal Industri Teknologi Pertanian Vol 10, No 1 (2016): TEKNOTAN, Agustus 2016
Publisher : Fakultas Teknologi Industri Pertanian

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Abstract

Mayoritas petani di Desa Marga Agung menggunakan air hujan sebagai sumber air untuk memenuhi kebutuhan air tanaman. Pada musim kemarau, petani tidak dapat melakukan aktivitas budidaya tanaman karena terbatasnya sumber air. Upaya yang dapat dilakukan untuk meningkatkan produksi dan efesiensi pemakaian air irigasi yang tepat guna yaitu dengan menggunakan irigasi sprinkler. Penelitian bertujuan untuk mengetahui kinerja dan aplikasi portable sprinkler pada budidaya tanaman pakcoy (Brassica juncea L.). Hasil menunjukkan laju infiltrasi tanah (52 mm/jam) di lokasi penelitian lebih besar dibandingkan laju aplikasi sprinkler sebesar (6.49 mm/jam), sehingga pada saat dilakukan penyiraman tidak terjadi aliran permukaan (run off). Nilai koefisien keseragaman/coeficient uniformity (CU) sebesar 53.13%. Rendahnya nilai koefisien keseragaman yang diperoleh disebabkan karena penggunaan metode single nozzle head sprinkler dan tingginya kecepatan angin yang terjadi di lokasi penelitian sebesar 0.66 m/det. Hasil produksi tanaman pakcoy sebesar 1.7 kg/m2 dengan berat per tanaman 70 gram/tanaman.Kata kunci: irigasi portable sprinkler, tanaman pakcoy, pompa.
PENGARUH KALIUM PERMANGANAT DAN BERBAGAI MASSA ARANG KAYU TERHADAP MUTU BUAH JAMBU BIJI ‘CRYSTAL’ (PSIDIUM GUAJAVA L.) SELAMA PENYIMPANAN Yurika Desmonda; Dwi Dian Novita; Budianto Lanya
Teknotan: Jurnal Industri Teknologi Pertanian Vol 10, No 2 (2016): TEKNOTAN, November 2016
Publisher : Fakultas Teknologi Industri Pertanian

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Abstract

Salah satu cara memperlambat proses pematangan jambu biji (Psidium guajava L.) adalah dilakukan pengoksidasian etilen dengan menggunakan kalium permanganat (KMnO4) dan arang kayu sawo sebagai bahan pembawanya. Tujuan penelitian ini adalah   mengetahui massa campuran arang dan KMnO4 terbaik selama penyimpanan pada suhu ruang (26° - 30°C) dan suhu rendah (10° - 12°C),   mengamati perubahan fisik dan kimia buah jambu biji ‘crystal’, dan   mengetahui umur simpan buah jambu biji ‘crystal’.  Penelitian ini menggunakan Rancangan Acak Lengkap 5 perlakuan pada suhu ruang dan suhu rendah yaitu campuran 2g arang dan KMnO4, 4g arang dan KMnO4, 6g arang dan KMnO4, 8g arang dan KMnO4, 10g arang dan KMnO4.  Hasil penelitian menunjukkan bahwa penggunaan KMnO4 sebagai pengoksidasi etilen mampu memperlambat penurunan kekerasan, dan peningkatan kandungan padatan terlarut. Perlakuan terbaik penyimpanan suhu ruang adalah Ta1 (2g arang+ KMnO4) dan Tc1 (2g arang+ KMnO4) pada suhu rendah. Hasil analisis statistik pada α = 5 % pada penyimpanan suhu ruang menunjukkan perlakuan berpengaruh nyata terhadap parameter kandungan padatan terlarut, sedangkan pada suhu rendah perlakuan berpengaruh nyata terhadap parameter kekerasan dan kandungan padatan terlarut.Kata kunci: arang kayu, etilen, jambu biji ‘crystal’, larutan KMnO4.
Analisis Energi Masukan-Keluaran pada Proses Produksi Kelapa Sawit (Elaesis guineensis jacq.) Agus Haryanto; Budianto Lanya; Sugeng Triyono; Mirwan Saputro; Nomi Setyowati
agriTECH Vol 31, No 3 (2011)
Publisher : Faculty of Agricultural Technology, Universitas Gadjah Mada, Yogyakarta, Indonesia

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (38.585 KB) | DOI: 10.22146/agritech.9739

Abstract

This study was performed to evaluate the input-otput energy for oil palm production and to identify the possibility to save energy consumption for activities related to oil palm production. Observation was conducted at PTPN VII Farm Unit of Rejosari, South Lampung. The energy inputs included human power, fuel and electricity as well as indirect energy resulted from the use of farm machinery, fertilizer, and pesticide. Energy outputs to be considered were resulted from full fruit bunch (FFB) consisted of crude palm oil (CPO), palm kernel oil (PKO), fiber, shell, empty fruit bunch, and trunk. The study revealed that total energy input of 57,63 GJ.ha-1 was required in oil palm production. Maintenance of productive plant consumed the highest energy, that was 33,06 GJ.ha-1  or 57,37 % of the total energy input. Based on energy sources, fertilizer was the most important input for oil palm production, accounted for 31,22 GJ.ha-1  (51,18 % of total energy input). The study also concluded that oil palm production generated energy output of 339,14 GJ.ha-1 with energy rasio of 5,88, energy productivity of 0.258 kg FFB per MJ, energy intensity of 3,87 MJ per kg FFB, and net energy gain of 281,51 GJ.ha-1.ABSTRAKPenelitian ini bertujuan untuk menganalisis energi masukan-keluaran dan mengidentifikasi kemungkinan penghematan energi pada proses budidaya kelapa sawit. Penelitian dilakukan di PTPN VII Unit Usaha Rejosari, Lampung Selatan dengan mengamati semua energi yang digunakan dan dihasilkan. Energi masukan terdiri dari tenaga manusia, bahan bakar, energi tidak langsung dari pupuk, pestisida, dan alat-mesin pertanian. Energi keluaran berasal dari tandan buah segar (TBS) dengan komponen minyak sawit, minyak inti sawit, serat, cangkang, dan tandan kosong, serta pelepah. Hasil penelitian menunjukkan bahwa budidaya kelapa sawit memerlukan energi masukan sebesar 57,63 GJ.ha-1  dan menghasilkan energi 339,14 GJ.ha-1. Sebagian besar energi masukan adalah penggunaan pupuk yang mencapai 31,22 GJ.ha-1  (54,18 % dari total energi masukan). Berdasarkan tahapan budidaya, maka pemeliharaan tanaman produktif memerlukan energi yang paling besar yaitu 33,06 GJ.ha-1  (57,37 %). Budidaya kelapa sawit menghasilkan energi neto 281,51 GJ.ha-1 dengan rasio energi 5,88, produktivitas energi 0,258 kg TBS/MJ, dan intensitas energi 3,87 MJ/kg TBS.
Pengendalian Temperatur dan Kelembaban dalam Kumbung Jamur Tiram (Pleurotus sp) Secara Otomatis Berbasis Mikrokontroler Sri Waluyo; Ribut Eko Wahyono; Budianto Lanya; Mareli Telaumbanua
agriTECH Vol 38, No 3 (2018)
Publisher : Faculty of Agricultural Technology, Universitas Gadjah Mada, Yogyakarta, Indonesia

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (335.743 KB) | DOI: 10.22146/agritech.30068

Abstract

Oyster mushroom can grow properly at temperatures of 16–30 °C and relative humidity of 80–95%. Environment conditioning by spraying of water in mushroom house manually in the morning and evening as the temperature and humidity controling is less effective and highly bothersome. Using of technology can controlling temperature and humidity in a mushroom house automatically.  This research aims to design an automatic control system to control temperature and humidity in oyster mushroom house. Research is located at an altitude of 125 meters above sea level. Automatic control system with a setting point temperature of 25 – 30 °C and humidity of 80 – 95% was tested at mushroom house with dimensions of 4 × 2 × 2 m with a capacity of 600 baglog mushrooms.  The results show that the performance of daily temperature and humidity without control is respectively 24.10 to 35.19 °C and 64.28 to 99.90%. While the temperature and humidity with the control system are 25.10 to 30.09 °C and 80.84 to 99.90%, respectively.
Co-Authors Agus Haryanto Agus Haryanto Ahmad Harbi Ahmad Tusi Aldi Saputra Andre Fransiska Asep Irawan Dwi Dian Novita Eza Yolan Yuswansyah Febryan Kusuma Wisnu Gerry Hardika Hizami Ch Anwar Juliardi . Kiki Dwi Okvidiantoro Kuncoro, Sapto Mahendra Dwi Setiawan Maktub, Zana Azalia Mareli Telaumbanua Mirwan Saputro Mohamad Amin Muhamad Inu Fauzan Mulia Rahman Nomi Setyowati Nugraha, Danang Rezki Ohen Suhendri Oktafri Oktafri, Oktafri Prabowo Agung Laksono Ribut Eko Wahyono Ridwan Ridwan Rofandi Hartanto Sandi Asmara Setiawan, Wahyu Hendi Siti Suharyatun Sri Rezeky Meylani Sri Waluyo Sugeng Triyono Suharyadi Suharyadi Tamrin Tamrin Tamrin, Tamrin Warji Warji Winda Rahmawati Yurika Desmonda