# An Introduction to Aerodynamics

## The Continuity Equation, the Reynolds Number, the Froude Number

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## III. How to use this Unit.

Learning is a do-it-yourself job. The required work may not be enjoyable. I hope the collateral reading will be enjoyable and fascinating.

I see the student projects centering on the history of engineering, ship building, naval architecture and technology. Books that are readily available are the Time-LIFE Books
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Ships
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and Thomas C. Gillmer’s
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Modern Ship Design,
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both are public library books.

The most important part of the process will be the discussion. Students are all too willing to sit passively by as if they were jugs waiting to be filled up. I see the reading as the motivation for the discussion. If the books are interesting enough the students will be willing to share them with one another.

I will use this material when we discuss variation in Algebra II. This unit itself mentions direct and inverse proportion. The naval architecture readings give examples of variation when they discuss laws of mechanical similitude, such as the wetted surface varies as the square of the length on the water line. There are other places that the unit could be used, but I need a starting place. If the students show interest the project will expand.