Basic equations

Fan engineering has, over the years, developed a certain mys­tique in the development of its “Laws" and basic equations. It should however be recognised that, as with other specialities, Newton’s Laws of Motion are followed and the subject, in reality, is merely a branch of Applied Mechanics. Delving into the sub­ject a little more deeply, we may deduce that the great majority of design work and of the operation of fans is encompassed by the Mechanics of Fluids. It is therefore imperative that we un­derstand some of the basic concepts of air and gas flow and their applications as outlined in the following Sections.

Posted in Fans Ventilation A Practical Guide

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