Analysis of the Ventilation Performance of a Solar Chimney Coupled to an Outdoor Wind and Indoor Heat Source
Abstract
:1. Introduction
2. Materials and Methods
2.1. Physical Model
2.2. Calculation Area
2.3. Mathematical Models
2.4. Boundary Conditions
3. Validation
3.1. Mesh Independence Verification
3.2. Model Validation
4. Results and Discussion
4.1. Indoor Air Velocity Distribution at X = 4.5 m
4.2. Variation of Ventilation Volume with Solar Radiation Intensity
4.3. Change of Ventilation Rate with Heat Flux of Indoor Heat Source
4.4. Change of Ventilation Volume with Outdoor Wind Speed
4.5. Variation of Ventilation with the Position of the Internal Heat Source
4.6. Variation of Ventilation Volume with Solar Chimney Inlet Width
5. Conclusions
Author Contributions
Funding
Institutional Review Board Statement
Informed Consent Statement
Data Availability Statement
Conflicts of Interest
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Enclosed Area | Meaning |
---|---|
QRST, Q1R1S1T1 | South window |
UVWX, U1V1W1X1 | North window |
MNOP | Indoor heat source |
ABCD, EFGH | Air inlet |
IJKL | Air outlet |
BDFH, JLYZ | Heat collecting walls |
ACKI, EGYZ | Glass cover plate |
Material | Thickness | Density | Heat Conductivity Coefficient | Specific Heat Capacity | Solar Radiation | ||
---|---|---|---|---|---|---|---|
mm | kg/m3 | W/(m·k) | J/(kg·k) | Transmittance | Reflectance | Absorption Rate | |
Glass cover plate | 3 | 2500 | 0.75 | 837.4 | 0.84 | 0.1 | 0.06 |
Polyvinyl chloride | 50 | 100 | 0.047 | 1380 | 0 | 0.05 | 0.95 |
Air | — | 1.205 | 0.0259 | 1005.43 | 1 | 0 | 0 |
Insulated walls | 200 | 1800 | 0.814 | 879 | 0 | 1 | 0 |
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Yue, S.; Ge, Z.; Xu, J.; Xie, J.; Xie, Z.; Zhang, S.; Li, J. Analysis of the Ventilation Performance of a Solar Chimney Coupled to an Outdoor Wind and Indoor Heat Source. Appl. Sci. 2023, 13, 2585. https://doi.org/10.3390/app13042585
Yue S, Ge Z, Xu J, Xie J, Xie Z, Zhang S, Li J. Analysis of the Ventilation Performance of a Solar Chimney Coupled to an Outdoor Wind and Indoor Heat Source. Applied Sciences. 2023; 13(4):2585. https://doi.org/10.3390/app13042585
Chicago/Turabian StyleYue, Shuaikun, Zhong Ge, Jian Xu, Jianbin Xie, Zhiyong Xie, Songyuan Zhang, and Jian Li. 2023. "Analysis of the Ventilation Performance of a Solar Chimney Coupled to an Outdoor Wind and Indoor Heat Source" Applied Sciences 13, no. 4: 2585. https://doi.org/10.3390/app13042585