November 9, 2023 at 2:00 amNur Rizqi PriyambodoSubscriber
I have a miniature sports car in 1:10 scale. Then I want to test it in a wind tunnel to get data such as drag force and downforce. However, how do I do a scale comparison of velocity using the Reynolds number as a benchmark?
November 9, 2023 at 9:41 amDzikrian DiqnadaSubscriber
Hello, Nur Rizqi
At first, if you want to find the drag force of the real size of the sports car through a wind tunnel test with your miniature car, you have to determine the Reynolds number of the real size by finding out the car's velocity in real case. Then, you apply the same Reynolds number for the velocity in wind tunnel. Hence, the velocity of the wind tunnel test must be 1/10 of the real size case
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