Analiza anizotropnosti turbulentnog vihornog strujanja
Anisotropy analysis of turbulent swirl flow
Abstract
U radu su primenjene dve vrste invarijantnih mapa kako bi se procenio stepen anizotropnosti turbulentnog vihornog strujanja. Korišćene su invarijantna mapa, koju su predložili Lamli i Njuman, kao i baricentrična mapa. Analizirane su razlike u vizuelnom predstavljanju stanja anizotropnosti i izvedene su matematičke osnove za obe mape. Analizom eksperimentalnih podataka je pokazano da postoji značajan uticaj vihora na anizotropnost turbulencije. Korišćenje mapa anizotropnosti pokazuje da su različite oblasti strujnog polja u vihornom strujanju okarakterisane različitim stanjima anizotropnosti.
Anisotropy invariant map proposed by Lumley and Newman and barycentric map proposed by Banerjee et al. were used in order to estimate the degree of anisotropy in turbulent swirl flow. The differences in visual interpretations of anisotropy states in these two maps were analyzed and mathematical basis of these two maps was derived. Experimental data reveal that there is significant influence of swirl on the anisotropy of turbulence. Anisotropy invariant mapping shows that different flow regions of swirl flow are characterized by different anisotropy states.
Keywords:
turbulence / swirl / barycentric map / anisotropy / anisotropy invariant mapSource:
FME Transactions, 2014, 42, 1, 19-25Publisher:
- Univerzitet u Beogradu - Mašinski fakultet, Beograd
Funding / projects:
- Application of Novel Measurement and Computational Techniques on Investigation of Air Flow in Ventilation Systems of Energy Extremely Efficient (“Passive”) Buildings (RS-MESTD-Technological Development (TD or TR)-35046)
- Research on use of solar energy by vacuum collectors with heat pipes and construction of a demonstration facility (RS-MESTD-Technological Development (TD or TR)-33048)
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Institution/Community
Mašinski fakultetTY - JOUR AU - Radenković, Darko AU - Burazer, Jela M. AU - Novković, Đorđe PY - 2014 UR - https://machinery.mas.bg.ac.rs/handle/123456789/1945 AB - U radu su primenjene dve vrste invarijantnih mapa kako bi se procenio stepen anizotropnosti turbulentnog vihornog strujanja. Korišćene su invarijantna mapa, koju su predložili Lamli i Njuman, kao i baricentrična mapa. Analizirane su razlike u vizuelnom predstavljanju stanja anizotropnosti i izvedene su matematičke osnove za obe mape. Analizom eksperimentalnih podataka je pokazano da postoji značajan uticaj vihora na anizotropnost turbulencije. Korišćenje mapa anizotropnosti pokazuje da su različite oblasti strujnog polja u vihornom strujanju okarakterisane različitim stanjima anizotropnosti. AB - Anisotropy invariant map proposed by Lumley and Newman and barycentric map proposed by Banerjee et al. were used in order to estimate the degree of anisotropy in turbulent swirl flow. The differences in visual interpretations of anisotropy states in these two maps were analyzed and mathematical basis of these two maps was derived. Experimental data reveal that there is significant influence of swirl on the anisotropy of turbulence. Anisotropy invariant mapping shows that different flow regions of swirl flow are characterized by different anisotropy states. PB - Univerzitet u Beogradu - Mašinski fakultet, Beograd T2 - FME Transactions T1 - Analiza anizotropnosti turbulentnog vihornog strujanja T1 - Anisotropy analysis of turbulent swirl flow EP - 25 IS - 1 SP - 19 VL - 42 DO - 10.5937/fmet1401019R ER -
@article{ author = "Radenković, Darko and Burazer, Jela M. and Novković, Đorđe ", year = "2014", abstract = "U radu su primenjene dve vrste invarijantnih mapa kako bi se procenio stepen anizotropnosti turbulentnog vihornog strujanja. Korišćene su invarijantna mapa, koju su predložili Lamli i Njuman, kao i baricentrična mapa. Analizirane su razlike u vizuelnom predstavljanju stanja anizotropnosti i izvedene su matematičke osnove za obe mape. Analizom eksperimentalnih podataka je pokazano da postoji značajan uticaj vihora na anizotropnost turbulencije. Korišćenje mapa anizotropnosti pokazuje da su različite oblasti strujnog polja u vihornom strujanju okarakterisane različitim stanjima anizotropnosti., Anisotropy invariant map proposed by Lumley and Newman and barycentric map proposed by Banerjee et al. were used in order to estimate the degree of anisotropy in turbulent swirl flow. The differences in visual interpretations of anisotropy states in these two maps were analyzed and mathematical basis of these two maps was derived. Experimental data reveal that there is significant influence of swirl on the anisotropy of turbulence. Anisotropy invariant mapping shows that different flow regions of swirl flow are characterized by different anisotropy states.", publisher = "Univerzitet u Beogradu - Mašinski fakultet, Beograd", journal = "FME Transactions", title = "Analiza anizotropnosti turbulentnog vihornog strujanja, Anisotropy analysis of turbulent swirl flow", pages = "25-19", number = "1", volume = "42", doi = "10.5937/fmet1401019R" }
Radenković, D., Burazer, J. M.,& Novković, Đ.. (2014). Analiza anizotropnosti turbulentnog vihornog strujanja. in FME Transactions Univerzitet u Beogradu - Mašinski fakultet, Beograd., 42(1), 19-25. https://doi.org/10.5937/fmet1401019R
Radenković D, Burazer JM, Novković Đ. Analiza anizotropnosti turbulentnog vihornog strujanja. in FME Transactions. 2014;42(1):19-25. doi:10.5937/fmet1401019R .
Radenković, Darko, Burazer, Jela M., Novković, Đorđe , "Analiza anizotropnosti turbulentnog vihornog strujanja" in FME Transactions, 42, no. 1 (2014):19-25, https://doi.org/10.5937/fmet1401019R . .