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Setup: The fan was held in an upright position connected to the Keysight DC power supply.

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For air speed: Using battery-box set-up (cardboard box enclosure) with an anemometer connected to the end

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Single Fan

Voltage (V)

Current (A)

Power (W)

Air Speed (m/s)

6

0.085

0.510

2.4

7

0.111

0.777

2.7

8

0.137

1.096

3.0

9

0.165

1.485

3.4

10

0.185

1.850

3.6

11

0.215

2.365

3.9

12

0.242

2.904

4.2

13

0.273

3.549

4.5

14

0.307

4.298

4.8

15

0.340

5.100

5.0

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Two Fans in Parallel

Voltage (V)

Current (A)

Power (W)

6

0.170

1.020

7

0.215

1.505

8

0.264

2.112

9

0.313

2.817

10

0.368

3.680

11

0.423

4.653

12

0.480

5.760

13

0.540

7.020

14

0.610

8.540

15

0.678

10.170

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