Verification and validation of a CFD model of a fixed regenerator for heat recovery from air

The article presents verification and validation of a numerical model of conjugated heat and mass transfer processes and aerodynamics in a fixed "honeycomb" type regenerator with square channels for heat recovery from the exhaust air of a local ventilation system. The processes in the rege...

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Vydáno v:E3S web of conferences Ročník 327; s. 1008
Hlavní autoři: Penev, Angel, Tsokov, Lyubomir, Vassilev, Momchil
Médium: Journal Article Konferenční příspěvek
Jazyk:angličtina
Vydáno: Les Ulis EDP Sciences 01.01.2021
Témata:
Aerodynamics
Evaporation
Exhaust systems
Heat
Heat recovery
Heat recovery systems
Mass transfer
Mathematical models
Numerical models
Pressure loss
Simulation
Thermodynamic efficiency
Verification
ISSN:2267-1242, 2555-0403, 2267-1242
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Abstract The article presents verification and validation of a numerical model of conjugated heat and mass transfer processes and aerodynamics in a fixed "honeycomb" type regenerator with square channels for heat recovery from the exhaust air of a local ventilation system. The processes in the regenerator are simulated by the CFD method. The influence of the processes of condensation and evaporation of moisture in the humid air on the efficiency of the regenerator has been investigated through these simulations and is shown in the article. The calculations of the fixed regenerator's thermal efficiency and pressure losses are made by known analytical models and the results are compared with those of the numerical model. The article compares the model simulation results with experimental data and data from reference sources.
AbstractList The article presents verification and validation of a numerical model of conjugated heat and mass transfer processes and aerodynamics in a fixed "honeycomb" type regenerator with square channels for heat recovery from the exhaust air of a local ventilation system. The processes in the regenerator are simulated by the CFD method. The influence of the processes of condensation and evaporation of moisture in the humid air on the efficiency of the regenerator has been investigated through these simulations and is shown in the article. The calculations of the fixed regenerator's thermal efficiency and pressure losses are made by known analytical models and the results are compared with those of the numerical model. The article compares the model simulation results with experimental data and data from reference sources.
Author Vassilev, Momchil
Tsokov, Lyubomir
Penev, Angel
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Cites_doi 10.3390/en12132633
10.1088/1755-1315/337/1/012067
10.1002/9780470172605
10.1051/e3sconf/202020701001
10.1016/S0376-0421(02)00005-2
10.1201/b14877
10.1016/j.applthermaleng.2016.10.016
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StartPage 1008
SubjectTerms Aerodynamics
Evaporation
Exhaust systems
Heat
Heat recovery
Heat recovery systems
Mass transfer
Mathematical models
Numerical models
Pressure loss
Simulation
Thermodynamic efficiency
Verification
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