Let's say you want to predict the aerodynamic drag of a new car based on the use of a model that is one- fifth scale of the actual car/prototype car. We want to predict the drag of the car when it has wind velocity 75 miles/hour with an air temperature of 40°C. The model is placed in a wind tunnel at 10°C. Determine the wind tunnel velocity necessary to achieve similarity between the model and the prototype.

Elements Of Electromagnetics
7th Edition
ISBN:9780190698614
Author:Sadiku, Matthew N. O.
Publisher:Sadiku, Matthew N. O.
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Problem 3:
Let's say you want to predict the aerodynamic drag of a new car based on the use of a model that is one-
fifth scale of the actual car/prototype car. We want to predict the drag of the car when it has wind
velocity 75 miles/hour with an air temperature of 40°C. The model is placed in a wind tunnel at 10°C.
Determine the wind tunnel velocity necessary to achieve similarity between the model and the
prototype.
Transcribed Image Text:Problem 3: Let's say you want to predict the aerodynamic drag of a new car based on the use of a model that is one- fifth scale of the actual car/prototype car. We want to predict the drag of the car when it has wind velocity 75 miles/hour with an air temperature of 40°C. The model is placed in a wind tunnel at 10°C. Determine the wind tunnel velocity necessary to achieve similarity between the model and the prototype.
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