Chapter:

Dimensional-Analysis,-Similitude-and-Physical-Modelling

Define Dimensional Analysis and write down its uses.

Dimensional analysis is a mathematical technique which makes the use of the study of the dimension for solving several engineering problems.

Uses of Dimensional Analysis:

  • To test the dimensional homogeneity of any equation of fluid motion.

  • To derive rational formula for a flow phenomenon.

  • To plan model test and present experimental results in a systematic manner.

  • To derive equations expressed in terms of non-dimensional parameters to show the relative significance of each parameter.

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