Table 4 The simulation summary of different courtyard positions.

From: Courtyard geometry’s effect on energy consumption of AlKharga city residential buildings, Egypt

Courtyard placement

Orientation of the longitudinal axis of the Courtyard

Length to width proportion

CO2 emissions (kg CO2)

Energy consumption (kwh)

The proportion of energy savings compared to the (main Alternative) %

Center of the building

Main alternative

1:1

17,896

28,338

0%

North–South

1:1.25

17,889

28,326

0.04%

Northern position

East–West

1:2.5

16,451

25,934

8.48%

North–South

1:1

16,872

26,634

6.01%

Eastern position

East–West

1:1

16,224

25,564

9.79%

North–South

1:2.5

15,522

24,400

13.90%

Southern position

East–West

1:2.5

16,149

25,436

10.24%

North–South

1:1

16,682

26,320

7.12%

Western position

East–West

1:1

16,125

25,401

10.36%

North–South

1:2.5

15,356

24,128

14.86%

Northeastern position

East–West

1:1

15,328

24,072

15.05%

North–South

1:2.5

14,995

23,523

17.00%

Northwestern position

East–West

1:1

15,239

23,926

15.57%

North–South

1:2.5

14,837

23,263

17.91%

Southeastern position

East–West

1:1

15,150

23,779

16.09%

North–South

1:2.5

14,837

23,263

17.91%

Southwestern position

East–West

1:1

15,064

23,637

16.57%

NorthSouth

1:2.5

14,696

23,029

18.73%

  1. Bold values that give the best energy.