coefficient of contraction

Isaac Kremer/ November 23, 2025/ / 0 comments

The ratio between the decrement of length, area of section, or volume and the original length, area of section, or volume. For temperature change, it is the same as the “Coefficient of Expansion.” In hydraulics, it is the ratio between the area of the contracted section of a water-jet issuing from an orifice and the area of the orifice. (Bridge, 2019)

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Isaac is a nationally acclaimed downtown revitalization leader, speaker, and author. Districts Isaac managed have achieved over $1 billion of investment, more than 1,899 jobs created, and were 2X Great American Main Street Award Semifinalists and a 1X GAMSA winner in 2023. His work has been featured in Newsday, NJBIZ, ROI-NJ, Patch, TapInto, and USA Today. Isaac is a Main Street America Revitalization Professional (MSARP), with additional certifications from the International Economic Development Council, National Park Service, Project for Public Spaces, Grow America (formerly the National Development Council), and the Strategic Doing Institute.

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