Comparing of CFD Contours Using Image Analysing Method: A Study on Velocity Distributions
Yıl: 2023 Cilt: 6 Sayı: 4 Sayfa Aralığı: 633 - 638 Metin Dili: İngilizce DOI: 10.34248/bsengineering.1310711 İndeks Tarihi: 01-11-2023
Comparing of CFD Contours Using Image Analysing Method: A Study on Velocity Distributions
Öz: Contour plotting, a widely utilized graphical technique for visualizing CFD (Computational Fluid Dynamics) outcomes, is highly valuable. It provides an effective and practical approach to analysing distributions of magnitudes belonging to fluid domains such as; velocity, temperature, pressure, volume fraction, etc. Nevertheless, when analysing multiple contours, especially showing similar distribution, identifying the ideal contour can be difficult and open to speculation. In this research, the issue was addressed by employing the Image Analysis Method for the classification of velocity distribution contours. This led to determining which picture has the best distribution among a few of the contour’s pictures. Firstly, velocity distribution contours downstream of the diffuser located in Air Handling Unit (AHU) unit were obtained by using CFD. The contour pictures were then transferred to MATLAB environment. With pixel analysis in MATLAB, the pictures were able to be classified based on which parameters had an effect on the velocity distribution. Variable parameters are the length of the fan channel (x) and the ratio of cross-sectional areas of the AHU (A/Ao). The results showed that x=250 mm and A/Ao=0.5 improved velocity distributions by 6% and 20%, respectively.
Anahtar Kelime: Belge Türü: Makale Makale Türü: Araştırma Makalesi Erişim Türü: Erişime Açık
- Anderson JD, Wendt J. 1995. Computational fluid dynamics. Springer, Berlin, Germany, pp: 3-14.
- Bayramgil V, Bayrak S, Yükselen M, Erim M. 1998. Experimental investigation of a diffuser for cooling and air conditioning system. 21st Congress of International Council of the Aeronautical Sciences, September 13-18, Melbourne, Australia, pp. 13-20.
- Benhamza A, Boubekri A, Atia A, Hadibi T, Arıcı M. 2021. Drying uniformity analysis of an indirect solar dryer based on computational fluid dynamics and image processing. Sustain Energy Techn Asses, 47: 101466.
- Bulut S, Unveren M, Arisoy A, Boke Y. 2011. Reducing internal losses in air handling units with CFD analysis method. TMMOB X. National Plumbing Engineering Congress and Exhibition, İzmir, Türkiye, pp: 291-326.
- Chen YS, Kim SW. 1987. Computation of turbulent flows using an extended k-epsilon turbulence closure model. URL: https://ntrs.nasa.gov/citations/19880002587 (accessed date: January 15, 2023).
- Erdoğan A, Taçgün E, Canbazoğlu S, Aksoy İ G, Kaya A, Sönmez K, Kamer M S, Şahin H E. 2016. A numerical investigation on pressure loss in a chamber with truncated pyramid perforated diffuser designed for air handling units. 8th International Ege Energy Symposium and Exhibition, May 11-13, Afyon, Türkiye, pp. 823-828.
- Erdoğan A. 2017. Investigation of airflow in empty chambers with perforated diffuser designed for air handling units in terms of flow and acoustic. PhD Thesis, İnönü University, Institute of Science, Malatya, Türkiye, pp: 115.
- Fluent A. 2009. 12.0 User’s guide. Ansys inc, 6, 552.
- Gan G, Riffat SB. 1997. Pressure loss characteristics of orifice and perforated plates. Experim Thermal Fluid Sci, 14(2): 160-165.
- Gaulke D, Dreyer ME. 2015. CFD simulation of capillary transport of liquid between parallel perforated plates using Flow3D. Micrograv Sci Tech, 27: 261-271.
- Gessner F, Jones J. 1965. On some aspects of fully-developed turbulent flow in rectangular channels. J Fluid Mechan, 23(4): 689-713.
- Guo B, Hou Q, Yu A, Li L, Guo J. 2013. Numerical modelling of the gas flow through perforated plates. Chem Eng Res Design, 91(3): 403-408.
- He Y, Liu XH, Zhang HL, Zheng W, Zhao FY, Schnabel MA, Mei Y. 2021. Hybrid framework for rapid evaluation of wind environment around buildings through parametric design, CFD simulation, image processing and machine learning. Sustain Cities Soc, 73: 103092.
- Hu HH. 2012. Computational fluid dynamics. Elsevier, New York, US, pp: 421-472.
- Hussain A, Reynolds W. 1975. Measurements in fully developed turbulent channel flow. J Fluids Eng, 1975: 568-578.
- Kamer M, Erdoğan A, Tacgun E, Sonmez K, Kaya A, Aksoy I, Canbazoglu S. 2018. A performance analysis on pressure loss and airflow diffusion in a chamber with perforated V-profile diffuser designed for air handling units (AHUs). J Appl Fluid Mechan, 11(4): 1089-1100.
- Li J, Agarwal RK, Zhou L, Yang B. 2019. Investigation of a bubbling fluidized bed methanation reactor by using CFD-DEM and approximate image processing method. Chem Eng Sci, 207: 1107-1120.
- Özahi E. 2015. An analysis on the pressure loss through perforated plates at moderate Reynolds numbers in turbulent flow regime. Flow Measur Instrumentat, 43: 6-13.
- Parsons RA. 1996. 1996 Ashrae Handbook Heating, Ventilating, and Air-Conditioning Systems and Equipment: Inch-Pound Edition. ASHARE, Atlanta, US, pp: 667.
- Sönmez K, Özmen Y. 2022. Numerical investigation of the effects of plate diffusers in central air handling units on flow field and pressure drop. Eng Machin, 63(707): 333-358.
- Sönmez K. 2017. A numerical investigation of the effect of diffusion flow and pressure reduction of perforeted cutting cone profile diffuser designed for empty cells in air handling units. MSc Thesis, Kahramanmaraş Sütçü İmam University, Institute of Science, Kahramanmaraş, Türkiye, pp: 68.
- Tu J, Yeoh GH, Liu C, Tao Y. 2023. Computational fluid dynamics: a practical approach. Elsevier, Heinemann, Germany, pp: 477.
- Vakkasoglu AV, Kamer MS, Kaya A. 2021. The effect of different diffusers designed for empty cells in central air handling units on flow and pressure drop. Sci Tech Built Environ, 27(1): 28-43.
- Versteeg HK, Malalasekera W. 2007. An introduction to computational fluid dynamics: the finite volume method. Pearson Education.
- Wang P, Pan W, Dai G. 2020. A CFD based design scheme for the perforated distributor with the control of radial flow. AIChE J, 66(5): e16901.
- Xu Z, Gotham D, Collins M, Coney J, Sheppard C, Merdjani S. 1996. CFD prediction of turbulent recirculating flow in an industrial packaged air-conditioning unit. HVAC&R Res, 2(3): 195-213.
| APA | ERDOĞAN A, DAŞKIN M (2023). Comparing of CFD Contours Using Image Analysing Method: A Study on Velocity Distributions. , 633 - 638. 10.34248/bsengineering.1310711 |
| Chicago | ERDOĞAN AHMET,DAŞKIN Mahmut Comparing of CFD Contours Using Image Analysing Method: A Study on Velocity Distributions. (2023): 633 - 638. 10.34248/bsengineering.1310711 |
| MLA | ERDOĞAN AHMET,DAŞKIN Mahmut Comparing of CFD Contours Using Image Analysing Method: A Study on Velocity Distributions. , 2023, ss.633 - 638. 10.34248/bsengineering.1310711 |
| AMA | ERDOĞAN A,DAŞKIN M Comparing of CFD Contours Using Image Analysing Method: A Study on Velocity Distributions. . 2023; 633 - 638. 10.34248/bsengineering.1310711 |
| Vancouver | ERDOĞAN A,DAŞKIN M Comparing of CFD Contours Using Image Analysing Method: A Study on Velocity Distributions. . 2023; 633 - 638. 10.34248/bsengineering.1310711 |
| IEEE | ERDOĞAN A,DAŞKIN M "Comparing of CFD Contours Using Image Analysing Method: A Study on Velocity Distributions." , ss.633 - 638, 2023. 10.34248/bsengineering.1310711 |
| ISNAD | ERDOĞAN, AHMET - DAŞKIN, Mahmut. "Comparing of CFD Contours Using Image Analysing Method: A Study on Velocity Distributions". (2023), 633-638. https://doi.org/10.34248/bsengineering.1310711 |
| APA | ERDOĞAN A, DAŞKIN M (2023). Comparing of CFD Contours Using Image Analysing Method: A Study on Velocity Distributions. Black Sea Journal of Engineering and Science, 6(4), 633 - 638. 10.34248/bsengineering.1310711 |
| Chicago | ERDOĞAN AHMET,DAŞKIN Mahmut Comparing of CFD Contours Using Image Analysing Method: A Study on Velocity Distributions. Black Sea Journal of Engineering and Science 6, no.4 (2023): 633 - 638. 10.34248/bsengineering.1310711 |
| MLA | ERDOĞAN AHMET,DAŞKIN Mahmut Comparing of CFD Contours Using Image Analysing Method: A Study on Velocity Distributions. Black Sea Journal of Engineering and Science, vol.6, no.4, 2023, ss.633 - 638. 10.34248/bsengineering.1310711 |
| AMA | ERDOĞAN A,DAŞKIN M Comparing of CFD Contours Using Image Analysing Method: A Study on Velocity Distributions. Black Sea Journal of Engineering and Science. 2023; 6(4): 633 - 638. 10.34248/bsengineering.1310711 |
| Vancouver | ERDOĞAN A,DAŞKIN M Comparing of CFD Contours Using Image Analysing Method: A Study on Velocity Distributions. Black Sea Journal of Engineering and Science. 2023; 6(4): 633 - 638. 10.34248/bsengineering.1310711 |
| IEEE | ERDOĞAN A,DAŞKIN M "Comparing of CFD Contours Using Image Analysing Method: A Study on Velocity Distributions." Black Sea Journal of Engineering and Science, 6, ss.633 - 638, 2023. 10.34248/bsengineering.1310711 |
| ISNAD | ERDOĞAN, AHMET - DAŞKIN, Mahmut. "Comparing of CFD Contours Using Image Analysing Method: A Study on Velocity Distributions". Black Sea Journal of Engineering and Science 6/4 (2023), 633-638. https://doi.org/10.34248/bsengineering.1310711 |
