Omar Al Hebshi

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

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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