Venturi Effect Chimney Cap

I became convinced that a chimney cap designed to create a venturi effect would be the answer to my.

Venturi effect chimney cap.

Usually the most economical solution is to either install rain caps which divert the wind from being blown down the internal flue tiles or by installing a vac u stack. The venturi effect is the reduction in fluid pressure that results when a fluid flows through a constricted section or choke of a pipe. There are no moving parts to bind or malfunction. The chimney cap is designed to improve air flow so woodstove exhaust doesn t backpuff.

The vacu stack creates a venturi that causes flue gases to flow up and out of the chimney. This creates the venturi effect at the top of the chimney and can correct your chimney smoke problem. The vac u stack is a round device with stationary vanes which produces a venturi effect thereby creating a vacuum on the inside of the chimney as the wind is blown against. The venturi effect is named after its discoverer giovanni battista venturi background.

This work on the venturi principle and is named after an italian physicist giovanni batista venturi 1746 1822. In fluid dynamics an incompressible fluid s. The streamline flow of the wind around the vacu stack prevents wind from blowing into the chimney even when the wind is deflected downward.