Omar Husein Al-hebshi Supervisor: Dr. Mostafa Sabbagh
AR 601 Advanced Studio Department of Architecture Faculty of Architecture and Planning King Abdulaziz University
Second Semester 2019/2020
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Evaluation criteria
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Computational geometry
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Mesh generation
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Boundary conditions
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Air velocity
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Air temperature
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Evaluation
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Facts Objectives Thermal comfort assessment Air distribution systems CFD validation
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Typical school prototype
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Procedures
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â–ª
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⩽
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𝑇ⅇ−𝑇𝑠 𝑇−𝑇𝑠
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•
• • •
ε
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ℎ𝑐 = •
𝑞 𝑇𝑤 −𝑇𝑎𝑖𝑟
ℎ𝑐 𝑞 𝑇𝑤 𝑇𝑎𝑖𝑟
• • • •
𝑞=𝑘
d𝑡 d𝑥
𝑞 𝑘 d𝑡 d𝑥
• • •
•
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Mesh Qualities
Mesh Nodes
Mesh Elements
MQ 1
30,659
154,811
MQ 2
49,257
252,478
MQ 3
66,343
343,639
MQ 4
91,730
480,698
MQ 5
116,137
611,834
MQ 6
145,207
770,197
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Îľ
Constant Cmu C1-Epsilon C2-Epsilon Wall Prandtl Number
Value 0.0845 1.42 1.68 0.85
1
Layout No.
1. Mixing Ventilation 1
2. Mixing Ventilation 2
3. Unidirectional Airflow Ventilation 1
Layout Cross Section
Ground Level
2
First Level
3
Second Level
4
Layout No.
4. Displacement Ventilation 1
5. Unidirection al Airflow Ventilation 2
6. Displacemen t Ventilation 2
Layout Cross Section
Ground Level
5
First Level
6
Second Level
Layout No.
1. Mixing Ventilation 1
2. Mixing Ventilation 2
3. Unidirectional Airflow Ventilation 1
Layout Cross Section
1
2
Ground Level
First Level
3
Second Level
4
Layout No.
4. Displacement Ventilation 1
5. Unidirection al Airflow Ventilation 2
6. Displacemen t Ventilation 2
Layout Cross Section
Ground Level
5
First Level
6
Second Level
1m 4. Displacement Ventilation 1
5. Unidirection al Airflow Ventilation 2
2m
3m
4m
5m
4
Inlets level
4. Displacement Ventilation 1
5. Unidirection al Airflow Ventilation 2
5
3 m from inlets
4. Displacement Ventilation 1
5. Unidirection al Airflow Ventilation 2
1.6 1.4
1.2 1.42 1
0.97 1.22
1.2
1.11
1.46
1.07
1
0.96 0.83
1.05
1 0.8
0.8 0.6
0.6
0.65
0.58
0.4
0.4 0.2
0.2 0 1. Mixing Ventilation 1 PMV TVE
1.42 1
3. Unidirectional Airflow 2. Mixing Ventilation 2 Ventilation 1 0.58 1.22 1.07 0.97
4. Displacement Ventilation 1 1.46 0.83
5. Unidirectional Airflow Ventilation 2 0.65 0.96
6. Displacement Ventilation 2 1.05 1.11
0