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Newton number

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One of the criteria for similarity of mechanical motion, which is obtained from the equation expressing Newton's second law (cf. Newton laws of mechanics): $\text{Ne}=2P/\rho v^2$, where $P$ is the characteristic pressure, $\rho$ is the density and $v$ is the characteristic velocity.

How to Cite This Entry:
Newton number. Encyclopedia of Mathematics. URL: http://encyclopediaofmath.org/index.php?title=Newton_number&oldid=31631