CFD SIMULATION FOR AIRSPEED AND TURBULENCE VALIDATION IN MAIN DUCTING OF OFFICE BUILDING
DOI:
https://doi.org/10.22441/ijimeam.v4i1.12050Kata Kunci:
ASHRAE, Cooling load, Ducting, Computational Fluid DynamicsAbstrak
This paper focuses on the calculation of sizing ducting based on cooling load requirements the main ducting of office building following regulation airspeed requirements using American Society of Heating, Refrigerating and Air Conditioning Engineers (ASHRAE) and Computational Fluid Dynamics (CFD) simulations. The purpose of this research is to validate the airspeed and turbulence that occurs in the main ducting between manual calculations and CFD simulations. From the calculation, the cooling load requirement is 58.22 kW, for the cooling process an air flowrate of 7117 L/s is needed which is designed to pass through the main ducting in rectangular shape. The main ducting size uses 1200 mm x 500 mm at a speed of 12.7 m/s according to ASHRAE. Autodesk Inventor software is used for ducting modeling and Autodesk CFD is used for airflow simulation. CFD simulations are performed by applying boundary conditions and input parameters. The results showed that the velocity of the ducting design was suitable at 12.7 m/s with laminar flow. The ducting geometry must be designed aerodynamically to reduce the pressure drop which can cause the speed to increase so that it is outside the required limits. Thus, the CFD simulation results have verified the validity of manual calculations.
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Referensi
C. Huizenga, S. Abbaszadeh, L. Zagreus, E. Arens. Air Quality and Thermal Comfort in Office Buildings: Results of a Large Indoor Environmental Quality Survey. Proceeding of Healthy Buildings, Lisbon. 2006; Vol. III; 393-397.
G. Srivastava, A. Kumar, D. Chandel, H. Dabas, A. Mishra, Saurabh. CFD Simulation of Air Conditioning System of the Classroom. International Journal of Trend in Scientific Research and Development (IJTSRD). 2019; Vol.3; 521-523.
M. M. Tukiman, M. N. M. Ghazali, A. Sadikin, N. F. Nasir, N. Nordin, A. Sapit. CFD Simulation of flow through an orifice plate. IOP Conf. Series: Materials Science and Engineering 243. 2017; 1-6.
V. V. Khakre, A. M. Wankhade. Review paper on Design and Computational Analysis of Air Flow Through Cooling Duct. International Journal of Scientific & Engineering Research (IJSER). 2014; Vol.5; 935-938.
W. L. Oberkampf. Verification and validation in Computational Fluid Dynamics. Accepted in journal of Progress in Aerospaces Sciences. 2002; 1-122.
Vishal S., M. H. Patil. Duct Designing in Air Conditioning System and Its Impact on System Performance. International Research Journal of Engineering and Technology (IRJET). 2019; Vol.6; 1392-1397.
P.S. Dhakar. CFD Analysis of Air Conditioning in Room Using Ansys Fluent. Journal of Emerging Technologies and Innovative Research (JETIR). 2018; Vol.5; 436-441. [8] Nowak, Z. Stegowski, B. Tora, M. Kurzac. The New Approach to the hydrocyclone modeling using Computational Fluid Dynamics (CFD) simulation. Proceedings of 23rd International Mineral Processing Congress. 2006.
Charles G., Louis S. ASHRAE Handbook HVAC System and Equipment. Georgia: ASHRAE Publication. 2016.
G. Popovici. HVAC system functionality simulation using ANSYS-Fluent. Sustainable Solutions for Energy and Environment. Energy Procedia. 2017; 360-365.
H. K. Versteeg, W. Malalasekera. An Introduction to Computational Fluid Dynamics. Second Edition. Pearson Prentice Hall. 2007; 10-26.
M. Didwania, L. Singh, A. Malik, M. S. Sisodiya. Analysis of Turbulent Flow over a 90o Bend of Duct Using in Centralized A.C. Plant by CFD Code. IOSR Journal of Mechanical and Civil Engineering (IOSR-JMCE). 2014; Vol.11; 41-48.
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