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Simetris
Published by Sekolah Tinggi Teknologi Ronggolawe Cepu
ISSN : 16937066     EISSN : 2686312X     DOI : https://doi.org/10.51901/simetris.v14i2.124
Core Subject : Engineering,
Civil Engineering, Building, Construction & Architecture Control & Systems Engineering Electrical & Electronics Engineering Industrial & Manufacturing Engineering Mechanical Engineering
SIMETRIS: The Journal of Technology and Applied Science is a scientific journal published regularly every six months, namely June and December. SIMETRIS: Journal of Technology and Science Accepts articles from various groups covering the study and application of theory, research results, interesting conceptual ideas in the fields of engineering and applied science. The editorial team will decide on the selection of articles to be published after receiving the results from the expert editing team. Authors will be given input from the expert editing team. SIMETRIS: Journal of Technology and Applied Science contains research articles or literature studies in Indonesian and English.
Arjuna Subject : Teknik (semua kategori) - Teknik (Lain-Lain)
Articles 7 Documents
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Search results for , issue "Vol 12 No 1 (2018): SIMETRIS" : 7 Documents clear
OPTIMASI KONDISI PIROLISIS DAN PENGERINGAN PADA PROKSIMAT ARANG TEMPURUNG KELAPA DENGAN METODE TAGUCHI Nur Hayati
SIMETRIS Vol 12 No 1 (2018): SIMETRIS
Publisher : Sekolah Tinggi Teknologi Ronggolawe Cepu

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Abstract

The purpose of this research is to identify the effect of pyrolysis and drying on coconut shell charcoal proximate analysis. The method used in this research is Taguchi method. The independent variables used in this study were pyrolysis temperature (4500C, 5500C and 6500C), residence time (60 minutes, 90 minutes and 120 minutes), drying temperature (1000C, 1050C and 1100C) and drying time (12 hours, 18 hours and 24 hours). The response variable in this research is coconut shell charcoal proksimat value consisting of moisture content, ash content, volatile substance and bound carbon content. Orthogonal array used is L9(3)4. The results showed that the optimum condition for moisture content obtained in A1B1C1D1 condition means pyrolysis temperature 4500C, residence time 60 minutes, drying temperature 1000C and 12 hours drying time. The optimum condition for ash content obtained in A2B3C2D1 condition means pyrolysis temperature 5500C, residence time 120 minutes, drying temperature 1000C and 18 hours drying time. The optimum conditions for volatile substances obtained in A3B3C2D1 condition mean pyrolysis temperature 6500C, residence time 120 min, drying temperature 1050C and 12 hours drying time. The optimum conditions for the bonded carbon content obtained under A3B3C2D1 conditions mean pyrolysis temperature 6500C, residence time 120 min, drying temperature 1050C and 12 hours drying time.
Rancang Bangun Mesin Pembuat Deterjen Cair berkapasitas 50 liter/jam Nidia Lestari
SIMETRIS Vol 12 No 1 (2018): SIMETRIS
Publisher : Sekolah Tinggi Teknologi Ronggolawe Cepu

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Abstract

Technology continues to grow. Innovations continue to be developed, one of which is innovation on the type of detergent. Liquid detergents are an option used by today's society. The liquid detergent is more soluble than the solid detergent, minimizing the inhalation of solid detergent powder, and does not cause spots on the washing machine. Yogyakarta which is a city of education, attracts young people to come to study. This has an impact on improving the economy of the community. One of them is a laundry business. The design of this machine is done to save business capital where the laundry entrepreneur can make their own liquid detergent, even become the business field of Small and Medium Enterprises. Liquid detergents produced from these machines are better quality, more viscous and the process of mixing raw materials more quickly together and evenly distributed. The use of this machine saves power and time compared to manual or human power where the manufacturing process can be two hours to three hours to stir 50 liters of liquid detergent.
PERBANDINGAN SISTEM IRIGASI TENAGA LISTRIK DAN SOLAR SEL SEBAGAI ENERGI PENGERAK POMPA AIR METODE SRI Hariyanto Hariyanto
SIMETRIS Vol 12 No 1 (2018): SIMETRIS
Publisher : Sekolah Tinggi Teknologi Ronggolawe Cepu

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Abstract

Infrastructure in Kentong Village, Cepu Subdistrict, Blora Regency is needed to develop technology for economical and right targeted irrigation management to facilitate land management for farmers in all growing seasons, mostly only growing rice into the main income of farmers, decreased due to the operational cost of irrigation water pump 1 (one) season of Rp. 3.175.000 for electricity, the condition is not as stable. The main objectives to be achieved are: 1). Low Oprational Cost (none) 2). Application of Solar-based Irrigation cell 3). Optimizing farmers harvest 4). Increase farmer's income. The analytical method SRI (System of Rice Intensification) calculation to know water loss and water requirement in irrigation network by redesigning pumping energy with 10 meters depth planning which already has maximum water discharge, Solar cell as a means to release the discharge of water that is distributed to irrigation plots that can be flowed in every agricultural area. Changes in electric power irrigation systems with the application of Solar Cell as a source of energy The water pump is capable of producing 1200 watts of power with an output pump capacity of 1 inch of water volume obtained 35liter / min; 2,100 lt / hr capacity of solar cell 6 hours / day capacity of water volume for 6 hours ie 12.6 m3 / day. Rice crops 1 ha 200 m3 able to wet for 10 days with 2 cm water level above ground level. To achieve water demand 200 m3 solerel beker for 16 days
PEMBERSIHAN SAMPAH DI DASAR SUMUR MINYAK UNTUK MENINGKATKAN PRODUKSI Agus Dwi Korawan; Drajat Indah Mawarni
SIMETRIS Vol 12 No 1 (2018): SIMETRIS
Publisher : Sekolah Tinggi Teknologi Ronggolawe Cepu

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Abstract

Oil wells in Ledok village, Blora regency are old wells from the Dutch era, the wells are managed by local community groups, Crude oil from the wells are taken by Pertamina, partners get rewarded according to the specified price. Partner in the Community Partnership Program (PKM) activities is L212 oil well, the chairman is Mr. Agus Purwanto. Based on the analysis of the situation, the problem in this well is that a lot of garbage at the bottom of the well, this garbage prevents the source of oil coming out, as a result the crude oil is produced a little. The purpose of the PKM program is to increase the ability of partners and increase crude oil production. The method used is discussion, training, and mentoring. The results obtained from the implementation of PKM are skills enhancement and increased production capacity
Analisis Lebar dan Tebal Lapis Perkerasan Lentur Ruas Jalan Kali Angkrik Kabupaten Magelang Sudarno Sudarno
SIMETRIS Vol 12 No 1 (2018): SIMETRIS
Publisher : Sekolah Tinggi Teknologi Ronggolawe Cepu

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Abstract

Kaliangkrik road is a very important road connecting the sub-districts of Badongan and Kota Magelang. The road segment has decreased the level of service in terms of the volume of the vehicle, the width of the road and the condition of the structure. The purpose of this research is to know the width of road and the thickness of the pavement layer structure needed based on the calculation of the average daily traffic at the moment. Result of research indicate that in 2018, Kaliangkrik Road Area must be done by adding road width of 1.96m, and thickness of 3cm.
Studi Eksperimental Variasi Celah Katup Hisap dan Katup Buang Terhadap Performance Speda Motor 4 Langkah Menggunakan Bahan Bakar Biopremium E10 sarjono sarjono
SIMETRIS Vol 12 No 1 (2018): SIMETRIS
Publisher : Sekolah Tinggi Teknologi Ronggolawe Cepu

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Abstract

Research has been conducted on experimental studies of the slit Valve's variation in suction valves and exhaust valves against Performance Speda Motor 4 step using the fuel Biopremium E10. The study aims to figure out the performance of a four-step motor spec with a variation of suction valve gaps and exhaust valves using a Biopremium E10 alternative fuel. The results showed that with a suction valve gap of 0.08 mm and a exhaust valve gap of 0.11 mm in the round range of 6000 rpm, the resulting power and torque was the maximum of 9.2 HP and 11.04 Nm, as well as the use of specific fuel effective (SFC) The most economical of 0.0821 kg/kWh
Rancang Bangun Saron Digital (Laron) Berbasis Capacitive Sensor Pada Arduino Uno retno wahyusari; Lastoni Wibowo
SIMETRIS Vol 12 No 1 (2018): SIMETRIS
Publisher : Sekolah Tinggi Teknologi Ronggolawe Cepu

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Abstract

Blora Regency has a diverse artistic treasury. Various arts have been preserved until now. Besides attracting tourists to Blora, the art is also a manifestation of the high creativity of Blora people. The five distinctive arts of Blora Regency that are still preserved by the community are: Barongan Blora, Tayub Blora, Kadroh, Ketoprak, and Karawitan. Almost all of the typical arts of Blora Regency use gamelan instruments. Gamelan itself is a musical instrument not only owned by Blora Regency, but also an Indonesian traditional musical instrument that is worldwide. Gamelan for ancient people is considered as their identity, according to them traditional music is something to be proud of and liked. But why do young people today even dislike traditional music. One effort to attract the interest of the younger generation is to modernize the gamelan. Modernizing gamelan is not only to attract the interest of the younger generation, it will also be used as a solution to of preserving culture. Keywords: Arduino Uno, Capasitive Sensor, Saron Digital

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