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Cfd Simulation Of Sawdust Gasification On Open Top Thr oatless Downdraft Gasifier

Author

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  • Fajri Vidian

    (Department of Mechanical Engineering, Faculty of Engineering, Universitas Sriwijaya, Jalan Raya Palembang - Prabumulih km 32, Indralaya, Ogan Ilir, Sumatera Selatan 30662, Indonesia)

  • Rachmat Dwi Sampurno

    (Department of Mechanical Engineering, Faculty of Engineering, Universitas Sriwijaya, Jalan Raya Palembang - Prabumulih km 32, Indralaya, Ogan Ilir, Sumatera Selatan 30662, Indonesia)

  • Ismail

    (Department of Mechanical Engineering, Faculty of Engineering, Universitas Pancasila, Srengseng Sawah – Jakarta 12640, Indonesia)

Abstract

Sawdust is one of alternative energy sources to substitute the fossil fuels. The utilization of sawdust to produce energy can be done through different types of technologies. Gasification is one of techonology that can be used to convert sawdust into energy. Sawdust has the characteristics of small bulk density and bind to one another. The gasifier type corresponding to these properties is an open top throatless downdraft gasifier. The prediction of producer gas composition can be done through a simulation. This study was conducted to obtain the distribution of combustible gas, tar concentration and temperature at the inside of gasifier on different variations of equivalence ratio by using 2D of computational fluid dynamic. Simulation was performed on the variation of equivalence ratio of 0.2, 0.3 and 0.4. The simulation results showed that the increase of equivalence ratio tend to decrease of CO, H2, CH4 and tar followed by increasing of temperature at the inside of the gasifier.

Suggested Citation

  • Fajri Vidian & Rachmat Dwi Sampurno & Ismail, 2018. "Cfd Simulation Of Sawdust Gasification On Open Top Thr oatless Downdraft Gasifier ," Journal of Mechanical Engineering Research & Developments (JMERD), Zibeline International Publishing, vol. 41(2), pages 106-110, July.
    • Handle: RePEc:zib:zjmerd:v:41:y:2018:i:2:p:106-110
    DOI: 10.26480/jmerd.02.2018.106.110
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    References listed on IDEAS

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    1. Fagbemi, L & Khezami, L & Capart, R, 2001. "Pyrolysis products from different biomasses: application to the thermal cracking of tar," Applied Energy, Elsevier, vol. 69(4), pages 293-306, August.
    2. Martínez, Juan Daniel & Mahkamov, Khamid & Andrade, Rubenildo V. & Silva Lora, Electo E., 2012. "Syngas production in downdraft biomass gasifiers and its application using internal combustion engines," Renewable Energy, Elsevier, vol. 38(1), pages 1-9.
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