Non-Isothermal Vortex Flow in the T-Junction Pipe

Tatyana A. Baranova, Yulia V. Zhukova, Andrei D. Chorny, Artem Skrypnik and Igor A. Popov
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Tatyana A. Baranova: A.V. Luikov Heat and Mass Transfer Institute of NAS of Belarus, 220072 Minsk, Belarus
Yulia V. Zhukova: A.V. Luikov Heat and Mass Transfer Institute of NAS of Belarus, 220072 Minsk, Belarus
Andrei D. Chorny: A.V. Luikov Heat and Mass Transfer Institute of NAS of Belarus, 220072 Minsk, Belarus
Artem Skrypnik: Department of Heat Engineering and Energy Machinery, Kazan National Research Technical University Named after A.N. Tupolev—KAI (KNRTU-KAI), 420111 Kazan, Russia
Igor A. Popov: Department of Heat Engineering and Energy Machinery, Kazan National Research Technical University Named after A.N. Tupolev—KAI (KNRTU-KAI), 420111 Kazan, Russia

Energies, 2021, vol. 14, issue 21, 1-17

Abstract: The numerical simulation approach of heat carrier mixing regimes in the T-junction shows that the RANS approach is beneficial for a qualitative flow analysis to obtain relatively agreed averaged velocity and temperature. Moreover, traditionally, the RANS approach only predicts the averaged temperature distribution. This mathematical model did not consider the temperature fluctuation variations important for the thermal fatigue task. It should also be emphasized that unlike the LES approach, the steady RANS approach cannot express a local flow structure in intense mixing zones. Nevertheless, apparently the adopted RANS approach should be used for assessing the quality of computational meshes, boundary conditions with the purpose to take LES for further numerical simulation.

Keywords: vortex flow; T-junction; numerical simulation; thermal fatigue (search for similar items in EconPapers)
JEL-codes: Q Q0 Q4 Q40 Q41 Q42 Q43 Q47 Q48 Q49 (search for similar items in EconPapers)
Date: 2021
References: View complete reference list from CitEc
Citations: View citations in EconPapers (1)

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