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Andy Eka Saputra
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Kampus Politeknik Negeri Lampung Jalan Soekarn Hatta No. 10 Raja Basa Bandar Lampung
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INDONESIA
TEKTAN
Published by Politeknik Negeri Lampung
ISSN : 20851278     EISSN : 27453472     DOI : https://doi.org/10.25181/tektan
Core Subject : Agriculture, Social, Engineering,
Agriculture, Biological Sciences & Forestry Chemical Engineering, Chemistry & Bioengineering Engineering Environmental Science Mechanical Engineering
Jurnal Tektan merupakan salah satu jurnal di Politeknik Negeri Lampung yang  menampung hasil penelitian berupa artikel ilmiah yang berkaitan dengan Ilmu Keteknikan Pertanian, Mekanisasi Pertanian, Teknik Kimia, Teknik Sumberdaya Lahan dan Lingkungan,dimana artikel tersebut belum pernah dipublikasikan. Jurnal TekTan di terbitkan oleh Unit Penelitian dan Pengabdian Kepada Masyarakat Polinela Unit 3x dalam setahun. Jurnal Ilmiah Teknik Pertanian Ini diterbitkan oleh Unit Penelitian dan Pengabdian Kepada Masyarakat Polinela Sebagai Wadah Bagi Dosen, Mahasiswa dan PLP untuk mempublikasikan karya penulisannya. Jurnal ini sempat mengalami Jeda Pengaktifan Selama 3 tahun mulai terbitan 2016 sampai Agustus 2019, hal ini disebabkan karena kekosongan tim pengelola Jurnal. Kemudian dengan manajemen pengelolaan yang baru maka diterbitkan kembali untuk volume 11 No. 3 pada tanggal 16 Desember 2019
Arjuna Subject : Teknik (semua kategori) - Teknik (Lain-Lain)
Articles 6 Documents
 1 
Search results for , issue "Vol 5 No 2 (2013)" : 6 Documents clear
Modifikasi Kompor Biomassa dengan Penambahan Pengumpan Bahan Bakar dan Pengatur Nyala Api Dwi Sapta Nofrizal; Mukhlisin Matkur Kalam; Ade Pratama; Imam Sofi’i; Tutu Petrus Basuki
Jurnal Ilmiah Teknik Pertanian - TekTan Vol 5 No 2 (2013)
Publisher : Jurusan Teknologi Pertanian

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.25181/tektan.v5i2.893

Abstract

Utilizing of biomass simple stove with high efisien intense be needed in order to be used widely society so far.  Chaff stove ussualy used is not perfectly is lack and necessary to make perfect.  Objective this research to modified  chaff stove and test performance by getting compare with before and after modified used different material. Method used by the way modified chaff stove now add material feeder, regulator flame and feeder flame.  The result indicate that the initial time light a fire until normally for chaff stove modified is longer than before modified, the end of temperature for chaff stove modified better than before modified, but chaff stove modified necessary increment with blower. On the use of coconut shell material, chaff stove modified more smoke because deficiency in oxygen, however use other material e.g chaff and sawdust is better. Keywords: chaff stove, modified
Pengaruh Curah Hujan terhadap Kualitas Air Sungai Way Kuripan sebagai Sumber Air Baku Perusahaan Daerah Air Minum (PDAM) Way Rilau Ismadi Raharjo; Iskandar Zulkarnain; Suprapto Suprapto
Jurnal Ilmiah Teknik Pertanian - TekTan Vol 5 No 2 (2013)
Publisher : Jurusan Teknologi Pertanian

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.25181/tektan.v5i2.894

Abstract

So far almost 30%  people need clean water of urban city in Bandar Lampung supplied by PDAM Way Rilau. There are about 12 sources of raw water consisting of surface water , ground water, and springs are treated by PDAM Way Rilau. One source  of raw water is surface water from Way Kuripan processed in "Water Treament Plant (WTP I and WTP II). Therefore,as a surface water, the source of raw water from Way Kuripan is always influenced by external conditions, especially rainfall this study was conducted in early 2013 to take on secondary data consisting of raw water quality parameters: turbidity, degree of acidity (pH), total hardness , dissolved content of Cl, SO 4, KMnO 4, Ca, and Mg are derived from the "PDAM Raw Water analysis Report" for the year 2012; While rainfall data taken from Lampung State Polytechnic Climatology Station which includes parameters: Number of Monthly rainfall , Number of Days Rain, and Rain Maximum every month. Raw water quality parameters of river Way Kuripan highly influenced by rainfall is turbidity, in addition to the content of sulfate and dissolved clorida. In the year 2012 recorded the highest raw water turbidity of 79.1 NTU in December with the condition number of monthly rainfall 354.2 mm, 22 days rainfall, and the maximum daily rainfall of 57.0 mm. However, all of the raw water parameters recorded in the year 2012 is still below the threshold of water-based Group B Regulation  in PP No 82 Tahun  2001.  Because of the quality of raw water from the Way Kuripan strongly influenced by rainfall, especially for turbidity parameters, it is necessary to increase the dose of coagulant is more during the rainy season from December to April. Keywords: raw water, rainfall, water quality, turbidity
Penerapan Irigasi Tetes Bawah Permukaan Bertekanan pada Budidaya Tomat Muhammad Idrus
Jurnal Ilmiah Teknik Pertanian - TekTan Vol 5 No 2 (2013)
Publisher : Jurusan Teknologi Pertanian

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.25181/tektan.v5i2.895

Abstract

The research was conducted at the Research Field of Lampung State Polytechnic, Bandar Lampung from July to September 2013.  The objectives of the research was To test the pressure subsurface drip irrigation performances in tomato cultivation.  The result of the research showed that tomato production and  irrigation water productivity by the pressure subsurface drip irrigation method was higher compared to furrow irrigation method.  Tomato production and irrigation water productivity by the pressure subsurface drip irrigation method were 1,319 kg/plant and 23,974 kg/m3 respectively, but by the furrow method were 1,165 kg/plant and 2,774 kg/m3.  Amount of iririgation water application on tomato cultivation by the pressure subsurface drip irrigation method for one periode of planting was only 55 liters but by the furrow method was 420 liters.  There for the amount of irrigation can be conserved on tomato cultivation by the the pressure subsurface drip irrigation method was 86,90%  compared to the furrow method. Keywords: pressure subsurface drip  irrigationand furrow method, tomato, production, irrigation water application and irrigation water productivity.
Pembuatan Peta Tingkat Bahaya Erosi Daerah Pengaliran Sungai Way Sulan Lampung Selatan Roslina Jayanti; Suprapto Suprapto
Jurnal Ilmiah Teknik Pertanian - TekTan Vol 5 No 2 (2013)
Publisher : Jurusan Teknologi Pertanian

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.25181/tektan.v5i2.896

Abstract

Erosion potential map (TBE) is a thematic map that can be used for various purposes, especially with regard to the management of land resources. As long as the map is not yet available Erosion potential Way Sulan Watershed  South Lampung regency in digital form that is created using ArcGIS 9.3. Creating maps Erosion potential is intended to provide information about the Regional Erosion potential At River Way Sulan. The Digital Map is created by a projection coordinate transformation step Maps South Lampung District , Land Cover Map, Map Conditions Slope, and map making rain erosivity index, then specify limits Watershed Way Sulan based network of rivers and topography. The next step overlaying of 4 (four) of the map and perform value calculation Erosion potential and Erosion Hazard Class. Overlay Map of R, K, LS and CP resulted in a Land Unit Map with land unit number 1 to 232 with  erosion hazard classes different. Keywords: erosion potential map, erosion hazard class, ArcGIS 9.3
Penggunaan Hidrolik Model Fisik Redesain Bendung Simongan Niko Suhendra; Didik Kuswadi; Kelik Istanto
Jurnal Ilmiah Teknik Pertanian - TekTan Vol 5 No 2 (2013)
Publisher : Jurusan Teknologi Pertanian

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.25181/tektan.v5i2.897

Abstract

Test model can provide a lot of possibilities of handling hydraulic problem as input for changes or improvements to the waterworks construction will be implemented. Therefore, physical modeling weir is the right step to knowing how to learn and cope with floods, good damage posed and a solution be handled. The purpose of this study was (1) Determine scale models and standard on many discharge meter prototype and (2) Perform the calibration test physical models contain. Implementation stages of this research started from the collection of data, software installation support, determination of scale models, model physical weir, the determination of the standard meter, test calibration model. Based on the results and discussion that have been described, it can be concluded with respect to the following: (1) Calculation of scale models produce mass-scale as follows: speed scale as large as 6,324; a 2.5 scale flow profile; and large scale Thomson 10119.289; (2) the completion of the process Curb Simongan done through physical modeling in the form of three-dimensional dam of five stages, namely Series 0, Series 1, Series 2, Series 3 and Series 4;(3) Calculation based on the Thomson High Level Discharge Meter  (m3/sec) prototype 200,500 m3/sec, m3/sec 700, and 850 consecutive m3/sec size of 37,445 cm, 45.522 cm, 49.314 cm and 51.746 cm; (4) The results of calibration test physical models of flow rate on debit Series 4 83 993 lt/sec indicates that the downstream flow velocity decreased after making 3 buildings that have elevation +3 m to the left and right downstream weir, elevation +4 m the middle of the downstream weir. Keywords: physical hidraulic model; redesign, weir simongan 
Sistem Irigasi Curah Otomatis Berbasis PLC (Programmable Logic Controller) Agus Setiawan; Gagas Dwi Lingga; Wisnu Nofiyanto; Harmen Harmen
Jurnal Ilmiah Teknik Pertanian - TekTan Vol 5 No 2 (2013)
Publisher : Jurusan Teknologi Pertanian

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.25181/tektan.v5i2.898

Abstract

The objectives of this research were designed an automatic sprinkler system wake-based PLC (Programmable Logic Controller) and tested its performance. The method created/designed a sprinkler system using a pump spray gun nozzle which the pump work automatically controlled using a PLC (Programmable Logic Controller) (programmed according to the desired watering time (06:00 to 09:00 and 15:00 to 18:00)) and the system will OFF when the current effective watering daily rainfall exceeds a predetermined threshold. As for the sensor to be able to turn off the pump working as a conductor used 2 pieces detection limit of the daily effective rainfall that is placed on a measuring cup in ombrometer. Results of sprinkler irrigation system design of PLC-based automated bulk may work in settings, bulk irrigation system working width of 5.5 m, and the test results is relatively uniform water distribution. Keywords: sprinklers, automatic, PLC

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