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INDONESIA
Jurnal Mekanika dan Sistem Termal
Published by Universitas Janabadra
ISSN : 25273841     EISSN : 25274910     DOI : -
Core Subject : Science, Engineering,
Automotive Engineering Energy Industrial & Manufacturing Engineering Materials Science & Nanotechnology Mechanical Engineering
Jurnal Mekanika dan Sistem Termal (JMST) adalah jurnal terbuka yang berisikan hasil-hasil penelitian ilmiah. Jurnal ini bertujuan untuk mempermudah penyebaran informasi ilmiah yang berkualitas secara cepat di seluruh tanah air. Jurnal Mekanika dan Sistem Termal (JMST) terbit 3 kali dalam setahun.Secara berkala JMST terbit setiap bulan April, Agustus, dan Desember.
Arjuna Subject : -
Articles 6 Documents
 1 
Search results for , issue "Vol 1, No 2: Agustus 2016" : 6 Documents clear
Pengaruh Komposisi Bahan Baku dan Lama Waktu Pemasakan terhadap Kekuatan Tarik pada Pembuatan Kertas Seni dari Limbah Batang Jagung dan Kertas Bekas Enda Apriani
Jurnal Mekanika dan Sistem Termal Vol 1, No 2: Agustus 2016
Publisher : Universitas Janabadra

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Abstract

This research was conducted with the aim to obtain raw materials and cooking time on the optimal papermaking art of corn stalks and waste paper to tensile strength. This study used a chemical process using NaOH as liquor. The variables used are mixtures of raw materials corn stalks (BJ) and waste paper (KB), is 100 : 0; 75 : 25; 50 : 50; 25 : 75 (%) and the cooking time, is 60, 120, 180 (minutes). The optimal results on the composition of raw materials is 25 BJ : 75 KB, and the cooking time for 180 minutes, so that the average tensile strength of 0,554 kgf / mm². Results of surface texture white paper pale, delicate texture, pore small paper, and flexible.
Rancang Bangun Mesin Pencacah Plastik Sebagai Bahan Baku Mesin Pirolisis Skala Komunal Mochamad Syamsiro; Arip Nur Hadiyanto; Zahrul Mufrodi
Jurnal Mekanika dan Sistem Termal Vol 1, No 2: Agustus 2016
Publisher : Universitas Janabadra

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Abstract

Design and fabrication of plastic shredding machine has been conducted to supply the feedstock for pyrolysis of waste plastics to produce liquid oil. The machine has a capacity of 20-30 kg/h depending on the plastic type and thickness. We propose the integrated system for pyrolysis of waste plastics in small or medium scale which utilize our product as a source of energy for pyrolysis and shredding machine. The gaseous and solid products can be used for pyrolysis while the liquid oil will be used for powering the shredding machine. The excess liquid oil can be used as a fuel for household and small enterprise by employing pressurized cooking stove. The preliminary test shows that the shredding machine can be used for crushing PET bottle smoothly with the capacity of 14 kg/h. The capacity can be increased by adding the material input and by employing water to push the shredded plastic flowing down.
Pengaruh Suhu terhadap Rendemen dan Nilai Kalor Minyak Hasil Pirolisis Sampah Plastik Wirawan Widya Mandala; M Sigit Cahyono; Syamsul Ma`arif; H B Sukarjo; Wardoyo Wardoyo
Jurnal Mekanika dan Sistem Termal Vol 1, No 2: Agustus 2016
Publisher : Universitas Janabadra

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Abstract

Plastic waste is one type of waste that would disturb the environment if it is not handled properly. Alternative treatment to solve this problem is by using pyrolysis technology that enable to convert plastic waste into fuel oil, charcoal, and non-condensable gas. The success of pyrolysis technology is influenced by several factors, including the type of reactor, the particle size, the processing time, and the temperature of the pyrolysis process. The purpose of this study was to determine the effect of temperature on the yield and the calorific value of plastic pyrolysis oil. Based on the experiments, increasing the temperature, the yield of the oil produced and calorific value will be higher. The yield and the highest calorific value generated for the pyrolysis process at a temperature of 400 0C, are 44% and 10,292 cal/ g respectively.
Perancangan Sistem Pembangkit Listrik Biomassa Sawit (PLTBS) Kapasitas 5 MW Ari Wibowo
Jurnal Mekanika dan Sistem Termal Vol 1, No 2: Agustus 2016
Publisher : Universitas Janabadra

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Abstract

Based on 2014 PLN statistic data, Riau and Riau Island Region peak load reached 261.02 MW, while installed power plant capacity of 166.62 MW capable power only 98.70 MW. This causes frequent rolling blackouts in the Riau city and its surrounding. On the other hand, Riau has huge renewable energy sources derived from oil palm industry. Palm Oil Mill (POM) are scattered throughout the region of Riau, where the plant produces biomass waste called empty fruit bunch (EFB), shell and fiber. These biomass waste especially EFB has very huge potency tobe converted to energy. The purpose of this study is to mapping the potencies of electrical energy generated from the biomass waste produced by two palm oil mills of PTPN V. Lubuk dalam POM and Sei Buatan POM has a very good performance over the last five year, with FFB processed an average over 200.000 ton/year. Biomass samples, then tested in the laboratory to obtain the calorific value. The expected electric power generated then analyzed based on the production data and the caloric value of the biomass waste. The calculation resulting 5 MWh electric power can be generated, with only use EFB from both POM as fuel feedstock of the boiler. The biomass power plant based on Rankine Cycle System. Four main equipment in the Rankine cycle, boiler, turbine-generator, condenser and pump, then calculated based on the power generated and availability of feedstock. The biomass power plant system designed with superheated steam with its pressure and temperature of 32 barg 400oC.
Studi Kelayakam Pembangkit Tenaga Listrik Mikrohidro Desa Muara Urie Kecamatam Hampang Kabupaten Kotabaru KALSEL Arief Budiyanto
Jurnal Mekanika dan Sistem Termal Vol 1, No 2: Agustus 2016
Publisher : Universitas Janabadra

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Abstract

Kota Baru District has many small river which has the potential to be converted into electrical energy. The objective of the project is to provide the village Haulan river MuraUrie Hampang Kota Baru with a reliable, green, clean and economically viable source of electrical energy. This research has been conducted to assess the potential of hydropower and to design very low head water hydropower plant. The  observational step started by measuring head and flow rate. Designing of water turbine should be considered the power available. Since the turbine usually run at low speed and the generator speed is quite high (1500 rpm), it requires speed increaser. Based on the primary data, the electrical power can be generated up to 30 kW. The implementation of the project will take approximately eight to ten months including the finalisation of the preparatory work (detailed design, tendering, contract awarding), actual implementation of the project, testing, commissioning and training of operators. Two villagers will be assigned and trained as operators for the operation and maintenance of the plant, in order to optimize the viability of the water source office of Kota Baru.
Pengaruh Pemanasan Bahan Bakar dan Penambahan Biodiesel Pada Solar terhadap Konsumsi Bahan Bakar Mesin Diesel Mitsubishi L300 Arga Hartantyadhi Pratama; Danar Susilo Wijayanto; Ngatou Rohman
Jurnal Mekanika dan Sistem Termal Vol 1, No 2: Agustus 2016
Publisher : Universitas Janabadra

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Abstract

The purpose of this research is to investigate effect of biodiesel adding into diesel fuel and effect of fuel heating through spiral-fin pipes in the radiator upper tank towards Mitsubishi L300 Diesel Engine fuel consumption. This research was a descriptive quantitative with experiments methods. Sample on this research was a Mitsubishi 4 cylinder type L300 Diesel Engine. Data was getting from measuring Mitsubishi L300 Diesel Engine fuel consumption with the 0 %, 5%, 10%, 15%, 20%, 25% and 30% of biodiesel mix variations, it was included with without heating variations; non-fin pipes heating; and finned pipes heating with inter fin variation was 2 spiral thread, 4 spiral thread, 6 spiral thread, and perpendicular-fin. Result of this research shows as: (1) It has an effect of biodiesel adding into diesel fuel on the Mitsubishi L300 Diesel Engine.; (2) It has an effect of fuel heating using spiral-fin pipes in the upper tank radiator on reducing Mitsubishi L300 Diesel Engine fuel consumption.; (3) It has an effect of biodiesel adding and fuel heating on reducing fule consumption in the Mitsubishi L300 Diesel Engine. The biggest reducing of fuel consumption happens on 20% biodiesel : 80% fuel diesel fuel level and fuel heating using pipes with 6 spiral thread inter-fin variation that is as much as 9.331 ml/minute every cycle. Consumption reducing is 1.320 ml/minute ar as much as 12.393% from standart consumption.

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