All Issue

2020 Vol.14, Issue 2 Preview Page

Research Article

Grid Independence Test of Computational Fluid Dynamics Model for Indoor Airflow Analysis

실내 기류 분석을 위한 전산유체역학 모델의 격자 독립성 검정 제안

Min-Hyung Lee1
,
Chang-Min Kim2
,
Gwan-Yong Park3
,
Chang-Ho Choi4
,
Chang-Young Park5*
이 민형1
,
김 창민2
,
박 관용3
,
최 창호4
,
박 창영5*
1Junior Researcher, Institute of Green Building and New Technology, Mirae Environment Plan
2Senior Researcher, Institute of Green Building and New Technology, Mirae Environment Plan
3Researcher, Institute of Green Building and New Technology, Mirae Environment Plan
4Professor, Department of Architectural Engineering, Kwangwoon University
5Deputy Director, Institute of Green Building and New Technology, Mirae Environment Plan
1㈜미래환경플랜건축사사무소 건축친환경신기술연구소 부팀장
2㈜미래환경플랜건축사사무소 건축친환경신기술연구소 실장
3㈜미래환경플랜건축사사무소 건축친환경신기술연구소 사원
4광운대학교 건축공학과 교수
5㈜미래환경플랜건축사사무소 건축친환경신기술연구소 부소장
* Corresponding Author
30 April 2020. pp. 183-194
PDF XML Citation
Abstract

Computational Fluid Dynamics (CFD) is a simulation tool that predicts fluid flow through numerical analysis and is used in various research fields. CFD performs a numerical analysis based on finite grids obtained by dividing the target space. Therefore, an optimal grid design for the CFD model is required for the accurate results of CFD simulation. Therefore, a grid independence test is performed to establish an optimal grid. However, there are no clear guidelines for the grid independence test in Korea and the subjective judgment of the researchers may be affected in the test. For this reason, different grid condition may be selected under the same analysis conditions and targets. As buildings vary in size, an objective grid candidate selection is required to obtain accurate CFD results. Therefore, an improved grid independence test was suggested in this study, and the pilot test was conducted to confirm its suitability. For improvement, characteristic length and grid resolution were applied to the existing grid independence test. Pilot test results showed that the proposed grid independence test derived an appropriate grid resolution considering the change in airflow distribution.

Keywords
Grid
Grid Independence Test
Grid Resolution
Characteristic Length
Computational Fluid Dynamics

키워드
격자
격자 독립성 검정
격자 해상도
특성길이
전산유체역학
References
1
Boulard, T., Roy, J.C., Fatnassi, H., Kichah, A., Lee, I. B. (2010). Computer fluid dynamics prediction of climate and fungal spore transfer in a rose greenhouse. Computers and Electronics in Agriculture, 74(2), 280-292.
10.1016/j.compag.2010.09.003
2
Chaube, A., Sahoo, P.K., Solanki, S.C. (2006). Analysis of heat transfer augmentation and flow characteristics due to rib roughness over absorber plate of a solar air heater. Renewable Energy, 31(3), 317-331.
10.1016/j.renene.2005.01.012
3
Fernandes, C.S., Dias, R.P., Nóbrega, J.M., Maia, J.M. (2007). Laminar flow in chevron-type plate heat exchangers: CFD analysis of tortuosity, shape factor and friction factor. Chemical Engineering and Processing: Process Intensification, 46(9), 825-833.
10.1016/j.cep.2007.05.011
4
Franke, J., Hirsch, C., Jensen, A.G., Krüs, H.W., Schatzmann, M., Westbury, P.S., Miles, S.D., Wisse, J.A., Wright, N.G. (2004). Recommendations on the use of CFD in wind engineering. In: van Beeck, J.P.A.J. (Ed.). COST Action C14, Impact of Wind and Storm on City Life Built Environment. Proceedings of the International Conference on Urban Wind Engineering and Building Aerodynamics. 5-7 May 2004. von Karman Institute, Sint-Genesius-Rode, Belgium.
5
Hassanien, I.H., Shabaan, S., Khalil, E.E. (2017). Numerical Simulation and Investigation of an Atrium Fire Experiment. International Journal of Advances in Mechanical & Automobile Engineering, 4(1), 35-39.
10.15242/IJAMAE.E0217028
6
Hefny, M.M., Ooka, R. (2009). CFD analysis of pollutant dispersion around buildings: Effect of cell geometry. Building and Environment, 44(8), 1699-1706.
10.1016/j.buildenv.2008.11.010.
7
Hong, S.W., Lee, I.B., Lee, K.Y., Kim, H.D., Seo, I.H., Hwang, H.S., Bitog, J.P., Kwon, K.S., Kwon, S.H., Shin, M.H. (2011). CFD analysis on the performance of an overturnable water gate for reservoir spillway. Applied Engineering in Agriculture, 27(5), 719-728.
10.13031/2013.39572
8
Hong, S.W., Lee, I.B., Seo, I.H. (2015). Modelling and predicting wind velocity patterns for windbreak fence design. Journal of Wind Engineering and Industrial Aerodynamics, 142, 53-64.
10.1016/j.jweia.2015.03.007
9
Kato, S. (2018). Review of airflow and transport analysis in building using CFD and network model. Japan Architectural Review, 1(3), 299-309.
10.1002/2475-8876.12051
10
Kim, S., Lee, S. (2008). Assessment of grid sensitivity in the FDS field model to simulate the flame propagation of an electric cable fire. Journal of the Korean Society of Safety, 23(4), 30-35.
11
Kwon, K.S., Lee, I.B., Ha, T. (2016). Identification of key factors for dust generation in a nursery pig house and evaluation of dust reduction efficiency using a CFD technique. Biosystems Engineering, 151, 28-52.
10.1016/j.biosystemseng.2016.08.020
12
Sally, M.H., Lindeman, A. (2016). Verification and validation of selected fire models for nuclear power plant applications. NUREG-1824. Electric Power Research Institute and US Nuclear Regulatory Commission, Washington.
13
Shepherd, J.F., Johnson, C.R. (2008). Hexahedral mesh generation constraints. Engineering with Computers, 24(3), 195-213.
10.1007/s00366-008-0091-4
14
Tominaga, Y., Mochida, A., Yoshie, R., Kataoka, H., Nozu, T., Yoshikawa, M., Shirasawa, T. (2008). AIJ guidelines for practical applications of CFD to pedestrian wind environment around buildings. Journal of Wind Engineering and Industrial Aerodynamics, 96(10-11), 1749-1761.
10.1016/j.jweia.2008.02.058
15
Tominaga, Y., Yoshie, R., Mochida, A., Kataoka, H., Harimoto, K., Nozu, T. (2005). Cross comparisons of CFD prediction for wind environment at pedestrian level around buildings, Part 2: Comparison of results for flow field around building complex in actual urban area. The Sixth Asia-Pacific Conference on Wind Engineering.
16
Wang, X., Fleischmann, C., Spearpoint, M. (2016). Assessing the influence of fuel geometrical shape on fire dynamics simulator (FDS) predictions for a large-scale heavy goods vehicle tunnel fire experiment. Case Studies in Fire Safety, 5, 34-41.
10.1016/j.csfs.2016.04.001
17
Yoshie, R., Mochida, A., Tominaga, Y., Kataoka, H., Harimoto, K., Nozu, T., Shirasawa, T. (2005). Cooperative project for CFD prediction of pedestrian wind environment in Architectural Institute of Japan. Journal of Wind Engineering & Industrial Aerodynamics, 95, 1551-1578.
10.1016/j.jweia.2007.02.023
18
Zhang, R., Zhang, Y.J., Lam, K.P., Archer, D.H. (2009). A prototype mesh generation tool development for CFD simulations in architecture domain. In Eleventh International IBPSA Conference, 466-473.
19
Zhang, S., Ding, A., Zou, X., Feng, B., Qiu, X., Wang, S., Zhang, S., Qian, Y., Yao, H., Wei, Y. (2019). Simulation Analysis of a Ventilation System in a Smart Broiler Chamber Based on Computational Fluid Dynamics. Atmosphere, 10(6), 315.
10.3390/atmos10060315
Information
  • Publisher :Korean Institute of Architectural Sustainable Environment and Building Systems
  • Publisher(Ko) :한국건축친환경설비학회
  • Journal Title :Journal of Korean Institute of Architectural Sustainable Environment and Building Systems
  • Journal Title(Ko) :한국건축친환경설비학회논문집
  • Volume : 14
  • No :2
  • Pages :183-194
  • Received Date : 2020-02-03
  • Revised Date : 2020-02-17
  • Accepted Date : 2020-03-06
  • DOI :https://doi.org/10.22696/jkiaebs.20200017
Journal Informaiton Journal of Korean Institute of Architectural Sustainable Environment and Building Systems Journal of Korean Institute of Architectural Sustainable Environment and Building Systems
Manuscript Submission
  • NRF
  • KOFST
  • KISTI Current Status
  • KISTI Cited-by
  • crosscheck
  • orcid
  • open access
  • ccl
Journal Informaiton Journal Informaiton - close