well? View image: /infopop/emoticons/icon_smile.gif<P>specifically, a 1.9L engine that revs to 5500. i need to know the max cfm it'll use (on its own). i know there's ...

You may be familiar with the formula BTUH = CFM x ΔT x 1.08. This same formula is often rearranged to use for determining airflow by measuring the heat input and temperature rise. The factor 3.41 ...

One of the most effective ways to measure airflow is through a method known as a traverse. While a traverse offers an accurate means of determining airflow, it is rarely used by HVAC professionals due ...