You would like to measure wind speed with a cup anemometer on a sailboat trip across the Atlantic Ocean. The measure of the rotational speed of the axle of the device has a precision of +/-0.2 rotations/s and was calibrated in a steady wind-tunnel flow at 20m/s with 10 rotations/s. Define for the below-given situations, 1 to 4, the type of error (random or systematic) and explain how to overcome or reduce this error.

Elements Of Electromagnetics
7th Edition
ISBN:9780190698614
Author:Sadiku, Matthew N. O.
Publisher:Sadiku, Matthew N. O.
ChapterMA: Math Assessment
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(a)
You would like to measure wind speed with a cup anemometer on a sailboat trip
across the Atlantic Ocean. The measure of the rotational speed of the axle of the
device has a precision of +/-0.2 rotations/s and was calibrated in a steady wind-tunnel
flow at 20m/s with 10 rotations/s. Define for the below-given situations, 1 to 4, the
type of error (random or systematic) and explain how to overcome or reduce this
error.
1
Bearing of the axle is old
2
Turbulent flow
3
Icing on the cups
4
Strong tumbling of the sailboat
You would like to use it for a measure of the in-cabin air flow a quiet environment.
Discuss why the measurement system is not well posed for this purpose.
Transcribed Image Text:(a) You would like to measure wind speed with a cup anemometer on a sailboat trip across the Atlantic Ocean. The measure of the rotational speed of the axle of the device has a precision of +/-0.2 rotations/s and was calibrated in a steady wind-tunnel flow at 20m/s with 10 rotations/s. Define for the below-given situations, 1 to 4, the type of error (random or systematic) and explain how to overcome or reduce this error. 1 Bearing of the axle is old 2 Turbulent flow 3 Icing on the cups 4 Strong tumbling of the sailboat You would like to use it for a measure of the in-cabin air flow a quiet environment. Discuss why the measurement system is not well posed for this purpose.
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