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Drag

Laminar and Turbulent Boundary Layer Separation on New MLB balls Post #22

Posted on June 20, 2019August 17, 2019 by bartonlsmith

We are continuing our measurements on MLB balls and are learning some interesting things. First off, the physics are a bit more complicated than they were on machine-pitched high-seam balls. In that case, we found that the boundary layer was always turbulent when it separated. This finding made me somewhat Continue Reading

Posted In Drag

Baseball Drag Crisis Post #20

Posted on May 3, 2019December 8, 2021 by bartonlsmith

Engineers and Physicists talk funny sometimes, and the term”drag crisis” is an example of funny talk. It’s not what you think. It does not refer to the huge increase in home runs in the MLB due to unexplained changes in the drag force on baseballs. It refers to a rather Continue Reading

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Why am I interested in Baseball Drag? Post #2

Posted on November 24, 2018June 21, 2019 by bartonlsmith

In 2015, the number of home runs increased over 2014 by an amount larger than one would expect from year to year fluctuations. In 2016, MLB experienced a similar increase In 2017, the number of home runs increased again.  Many fans believed that the increase was due to a deliberate Continue Reading

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