Dimensional Analysis And Model Studies
Dimensional analysis is defined as a mathematical technique used in research work for design and conducting model tests.
The fundamental units quantities such as length (L), mass (M), and time (T) are fixed dimensions known as fundamental dimensions.
Unit is defined as a yardstick to measure physical quantities like distance, area, volume, mass etc.
Derive the dimensions for velocity.
Velocity is the distance (L) travelled per unit time (T)
Velocity = Distance/ Time = [L/T] = LT-1.
Model is nothing but small-scale repetition of the actual structure or machine.
List out the advantages of model analysis.
The advantages of model analysis are:
1. The performance of hydraulic structure or machine can be easily predicted in advance from its model.
The merits of alternative design can be predicted with the help of model testing and the most economical and safe design may be finally adopted.
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