Table 3 Wind speeds at different wind intensities and distances from the eco-cooler measured in the open environment

From: Evaluating the effectiveness of the ‘eco-cooler’ for passive home cooling

Measurement position

Velocity (m/s)

From centre of nozzle

Midway between nozzle

2.1m/s wind speed

Distance (cm)

 2.3

2.00

-

 4.6

1.90

-

 9.2

1.60

0.40

 23.0

1.30

0.70

 24.0

0.70

0.80

4.1m/s wind speed

Distance (cm)

 2.3

4.70

-

 4.6

4.60

-

 9.2

3.90

0.80

 23.0

2.00

1.60

 24.0

1.80

1.50

10.6m/s wind speed

Distance (cm)

 2.3

10.1

-

 4.6

10.4

-

 9.2

8.90

4.10

 23.0

4.70

3.80

 24.0

4.50

3.70

  1. Error range of air velocity is ±0.3 m/s.
  2. The 24.0 cm positions are measured by a hotwire device.
  3. Ambient air conditions: room temperature (18.7 °C) and atmospheric pressure of  102.1 kPa.