Abstract
A comfortable, health, and safety aircraft cabin environment was highly expected by travelers. To examine the microclimate and thermal comfort of a three-dimensional aircraft cabin under solar radiation and forced convection, different types of solar intensity and inflow air conditions were investigated numerically by means of incompressible Reynolds-averaged Navier–Stokes (RANS) equations. A cabin cross-section has been built virtually, and detailed air flow and heat transfer were investigated. The result shows that the increase in solar radiation has a negative effect on thermal comfort because it brings fierce heating and high-temperature gradient on the cabin seat. The results also indicated that the reduction of inflow air temperature has a positive effect on the thermal comfort because the heat transfer is enhanced and the temperature on the seat is falling down. The findings of this study give further knowledge to improve the thermal comfort in the airliner cabin design and development.
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Abbreviations
- CFD:
-
Computational fluid dynamics
- RANS:
-
Reynolds-averaged Navier–Stokes equations
- MV :
-
Mixing ventilation
- CCDV:
-
Ceiling-based cabin displacement ventilation
- CDV:
-
Cabin displacement ventilation
- FVM:
-
Finite volume method
- TVD:
-
Total variation diminishing
- Q :
-
Heat flux on body surface
- T:
-
Temperature
- p :
-
Pressure
- M:
-
Air flow Mach number
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Funding
This work was supported by Zhejiang Provincial Philosophy and Social Science Planning Project under Grant number 23NDJC293YB.
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Zhang, Y., Guo, Z., Liu, L. et al. Microclimate Studies by Coupling Effects of Solar Radiation and Heat Transfer in the Aircraft Cabin. Braz J Phys 54, 47 (2024). https://doi.org/10.1007/s13538-024-01423-z
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DOI: https://doi.org/10.1007/s13538-024-01423-z