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Classification of models
The classifications of models are
i. Undistorted models
ii. Distorted models
If the scale ratio for the linear dimensions of the model and prototype is same, then the model is said to be undistorted model.
A distorted model is said to be a distorted model only when it is not geometrically similar to prototype.
Advantages of distorted models.
The advantages of distorted models are,
1. The vertical dimensions of the model can be measured accurately.
2. The cost of model can be reduced.
3. Turbulent flow in the model can be maintained.
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