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Theory of similarity at pressure dies

Ragan E., Ružbarský J.

Archives of Foundry Engineering

2008

Vol. 8, iss. 2

121-122

We get from equations for laminar and turbulent flow criterion equations containing competent criteria without size. Two processes at pressure die casting are similar when their corresponding criteria are equal. We can introduce instead of the real flow the similar model flow. It is possible to introduce then the coefficients of size and pressure similarity for the model liquids of the alloy AlSi water, mercury, woods metal, and tin solder that is in the table.