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

Fajri Vidian (), Rachmat Dwi Sampurno and Ismail
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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

Journal of Mechanical Engineering Research & Developments (JMERD), 2018, vol. 41, issue 2, 106-110

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.

Keywords: Open top; Throatless; downdraft gasifier; Gasifications; Sawdust; Computational Fluid Dynamic.Journal: Journal of Mechanical Engineering Research and Developments (JMERD) (search for similar items in EconPapers)
Date: 2018
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Persistent link: https://EconPapers.repec.org/RePEc:zib:zjmerd:v:41:y:2018:i:2:p:106-110

DOI: 10.26480/jmerd.02.2018.106.110

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