CFD Simulation of Turbulent Flows in Proto X-3 Bioenergy Micro Gas Turbine Combustor using STD k-? and RNG k-? Model for Green Building Application
Corresponding email: asyari@ui.ac.id
Published at : 29 Feb 2016
Volume : IJtech
Vol 7, No 2 (2016)
DOI : https://doi.org/10.14716/ijtech.v7i2.2978
Daryus, A., Siswantara, A.I., Darmawan, S., Gunadi, G.G.R., Camalia, R., 2016. CFD Simulation of Turbulent Flows in Proto X-3 Bioenergy Micro Gas Turbine Combustor using STD k-? and RNG k-? Model for Green Building Application. International Journal of Technology. Volume 7(2), pp.204-211
| Asyari Daryus | Department of Mechanical Engineering, Faculty of Engineering, Universitas Indonesia, Kampus UI Depok, Depok 16424, Indonesia |
| Ahmad Indra Siswantara | Department of Mechanical Engineering, Faculty of Engineering, Universitas Indonesia, Kampus UI Depok, Depok 16424, Indonesia |
| Steven Darmawan | Department of Mechanical Engineering, Universitas Tarumanagara, Jakarta 11440, Indonesia |
| Gun Gun R. Gunadi | Department of Mechanical Engineering, Jakarta State Polytechnic, Depok, West Java, Indonesia |
| Rovida Camalia | Department of Mechanical Engineering, Faculty of Engineering, Universitas Indonesia, Kampus UI Depok, Depok 16424, Indonesia |
This paper presents a numerical analysis of gas flow in the annular combustion chamber of a Proto X-3 Bioenergy micro gas turbine for green building applications. The computational fluids dynamics (CFD) simulation was conducted in two dimensions, turbulent flow and gas phase combustion, with the goal of comparing the effects of different models in real conditions. Two different turbulence models, standard (STD) k-? and renormalization group (RNG) k-?, were applied for simulations. The fuel used was biogas produced from animal waste. Fuel consumption was assumed to be 100 kJ/s for simulations. The results of the simulations were analyzed and compared for reference. The temperature and the mass fraction of CH4, H2, O2, and CO2 distributions gave almost the same results for both models; therefore, both models (STD k-? and RNG k-?) could be used to represent the combustion process phenomenon without many significant differences.
Biogas; CFD simulation, Gas turbine combustor, Green building, Proto X-3 Bioenergy, Turbulent flow
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