SIMULASI CFD ALIRAN TURBULEN PADA RUANG BAKAR TURBIN GAS MIKRO BIOENERGI PROTO X-3 MENGGUNAKAN MODEL TURBULEN k-ε
Keywords:
Simulasi CFD, Pemodelan Turbulen, STD k-ε, Proto X-3, Turbin Gas Mikro
Abstract
Mengetahui fenomena aliran gas di dalam ruang bakar sistem turbin gas akan sangat membantu para ahli teknik seperti mendesain ruang bakar, pemilihan bahan bakar, dan mencari unjuk kerja yang optimum. Oleh sebab itu telah dilakukan simulasi aliran dengan metode Computational Fluid Dynamics (CFD) menggunakan pemodelan turbulen Standar k-ε (STD k-ε) pada sebuah ruang bakar sistem turbin gas mikro Proto X-3, yaitu sebuah sistem prototipe turbin gas mikro yang dikembangkan untuk aplikasi “green building” dengan keleluasaan menggunakan berbagai jenis bahan bakar. Simulasi aliran gas dilakukan untuk bahan bakar biogas yang diperoleh dari hasil proses fermentasi kotoran hewan oleh bakteri anaerobik di dalam sebuah digester. Pemakaian bahan bakar diasumsikan konstan sebesar 100 kJ/s dan laju aliran massa udara divariasikan, yaitu sebesar 1,1 kg/s; 0,87 kg/s; dan 0,7 kg/s. Dari hasil simulasi diperoleh hasil bahwa pembakaran yang optimum diperoleh pada laju massa udara 1,1 kg/s
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2. Azis, Abdul, 2013, Analisis Unjuk Kerja Turbin Gas Mikro Bioenergi Proto X-2 dengan Bahan Bakar Solar-Bioetanol. (Thesis), Universitas Indonesia, Depok.
3. Basrawi, Firdaus, Yamada, Takanobu, & Obara, Shinya, 2013, Theoritical analysis of performance of a micro gas turbine co/trigeneration system for resedential buildings in a tropical region. Journal of Energy and Buildings, 67, 108-117.
4. Bicsak, Gyorgy, Hornyak, Anita, & Veress, Arpad, 2012, Numerical Simulation of Combustion Processes in a Gas Turbine. Paper presented at the 9th International Conference on Mathematical Problem in Engineering, Aerospace Sciences, Vienna, Austria.
5. Bulat, G, Jones, W P, Marquis, A, Sanderson, V, & Stopper, U, 2011, Large Eddy Simulation of a Gas Turbine Combustion Chamber. Paper presented at the Seventh Mediterranean Combustion Symposium, Chia Laguna, Cagliari, Sardinia, Italy.
6. Cao, H L, & Xu, J L, 2007, Thermal Performance of a Micro-combustor for Micro-gas Turbine System. Journal of Energy Conversion and Management, 48, 1569-1578.
7. Chiaramonti, David, Rizzo, Andrea Maria, Spadi, Adriano, Prussi, Matteo, Riccio, Giovanni, & Martelli, Francesco, 2013, Exhaust Emissions from Liquid Fuel Micro Gas Turbine Fed with Diesel Oil, Biodiesel and Vegetable Oil. Journal of Applied Energy, 101, 349-356.
8. Coughtrie, A R, Borman, D J, & Sleigh, P A, 2013, Effects of Turbulence Modelling on Prediction of Flow Characteristics in a Bench-scale Anaerobic Gas-lift Digester. Journal of Bioresource Technology, 138, 297-306.
9. Darmawan, Steven, 2011, Analisis Aliran Pada Sudu Kompresor Sentrifugal Turbin Gas Mikro Proto X-1. (Thesis), Universitas Indonesia, Depok.
10. Darmawan, Steven, Siswantara, Ahmad Indra, Budiarso, Daryus, Asyari, Gunawan, Agus Tri, Wijayanto, Achmad Bayu, & Tanujaya, Harto, 2015, Turbulent Flow Analysis in Auxiliary Cross-flow Runner of a Proto X-3 Bioenergy Micro Gas Turbine Using RNG k-e Turbulence Model. ARPN Journal of Engineering and Aplied Sciences, 10(16), 7086-7091.
11. 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-ε and rng k-ε model for green building application. International Journal of Technology, 7(2), 204-211. doi: 10.14716/ijtech.v7i2.2978
12. Fadillah, Hadid, 2012, Analisis Reboiler Tipe Shell and Tube untuk Sistem Destilasi Bioetanol yang Terintegrasi dengan Turbin Gas Mikro Bioenergi Proto X-2. (Thesis), Universitas Indonesia, Depok.
13. Gun Gun Ramdlan, G., Siswantara, A. I., Budiarso, Daryus, A., & Pujowidodo, H, 2016, Turbulence model and validation of air flow in wind tunnel. International Journal of Technology, 7(8), 1362-1371. doi: 10.14716/ijtech.v7i8.6891
14. Huicochea, Armando, Rivera, Wilfrido, Gutierrez-Urueta, Geydy, & Bruno, Joan Carles, 2011, Thermodynamics analysis of a trigeneration system consisting of a micro gas turbine and a double effect absorption chiller, Journal of Applied Thermal Engineering 31, 3347-3353.
15. Mare, F di, Jones, W P, & Menzies, K R, 2004, Large Eddy Simulation of a Model Gas Turbine Combustor. Journal of Combustion and Flame, 137, 278-294.
16. Marhendra, Djuang, 2013, Analisis Unjuk Kerja Turbin Gas Mikro Bioenergi Proto X-2 dengan Bahan Bakar Solar. Universitas Indonesia, Depok.
17. Paepe, Ward De, Contino, Francesco, Delattin, Frank, & Bram, Svend, 2014, Optimal Waste Heat Recovery in Micro Gas Turbine Cycles Through Liquid Water Injection. Journal of Applied Thermal Engineering, 70, 846-856.
18. Paepe, Ward De, Delattin, Frank, Bram, Svend, & Ruyck, Jacques De, 2013, Water Injection in a Micro Gas Turbine - Assessment of the Performance Using a Black Box Method. Journal of Applied Energy, 112, 1291-1302.
19. Pathan, Firoj H, Patel, Nikul K, & Tadvi, Mihir V, 2012, Numerical Investigation of the Combustion of Methane Air Mixture in Gas Turbine Can-Type Combustion Chamber. International Journal of Scientific & Engineering Research, 3(10), 1-7.
20. Pourmohaved, Ahmad, Opperman, Terance, & Lemke, Brenda, 2011, Performance and Efficiency of a Biogas CHP System Utilizing a Stirling Engine. Paper presented at the International Conference on Renewable Energies and Power Quality (ICREPQ'11), Las Palmas de Gran Canaria (Spain).
21. Prasetya, Eka, 2013, Analisis Unjuk Kerja Turbin Gas Mikro Bioenergi Proto X-2 dengan Bahan Bakar Solar-Minyak Jarak. (Thesis), Universitas Indonesia, Depok.
22. Renzi, M, Caresana, F, Pelagalli, l, & Comodi, G, 2014, Enhancing Micro Gas Turbine Performance Through Fogging Technique: Experimental Analysis. Journal of Applied Energy, 135 165-173.
23. Siswantara, Ahmad Indra, 2012, Evaluasi dan Analisis Unjuk Kerja Turbin Gas Mikro Proto X-1, Laporan Hasil Riset Awal Penelitian Perguruan Tinggi Tahun 2012. Depok: Universitas Indonesia.
24. Siswantara, Ahmad Indra, Darmawan, Steven, & Budiarso, 2012, Komparasi Karakteristik Model Turbulen pada Aliran Blower pada Turbin Gas Mikro Bioenergi Proto X-2. Paper presented at the Seminar Nasional Tahunan Teknik Mesin XI (SNTTM XI) dan Thermofluid IV, Yogyakarta.
25. Siswantara, Ahmad Indra, Darmawan, Steven, & Purba, Okwaldu, 2013, June 25-28, Combustion Analysis of Proto X-2 Bioenergy Micro Gas Turbine with Diesel - Bioethanol Blends. Paper presented at the Proceeding of 13th International Conference on QIR (Quality on Research), Yogyakarta, Indonesia.
26. Siswantara, Ahmad Indra, Darmawan, Steven, & Widyawati, Candra Damis, 2012, Analisis Korosi Pendidihan Pada Alat Penukar Kalor Tipe Shell & Tube dengan Metode CFD. Paper presented at the Temu Ilmiah Nasional Dosen Teknik X - TINDT X, Jakarta.
27. Tomczak, H J, Benelli, G, Carrai, L, & Cecchini, D, 2002, Investigation of a Gas Turbine Combustion System Fired With Mixtures of Natural Gas and Hydrogen. IFRF Combustion Journal(Dec. 2002).
28. Versteeg, H, & Malalasekara, W, 2007, An Introduction to Computational Fluid Dynamics, the Finite Volume Method, 2 ed. Essex: Pearson Educational Ltd.
29. Widyawati, Candra Damis, 2012, Analisis Desain dan Redesain Alat Penukar Kalor Tipe Shell and Tube dengan CFD. (Thesis), Universitas Indonesia, Depok.
Published
2019-09-13
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