In general, the discriminant is an algebraic expression that gives. information about the roots of a polynomial. In the case of a quadratic equation the discriminant is the part of. the quadratic equation that is under the radical sign.
How to Select Dampers and Louvers. Dampers and louvers are used to control the flow of air in a process system or enclosed area. Dampers are usually motorized or manually-adjustable for flow control. Louvers are often fixed for a constant flow rate.
Quick Answer. The difference between a supercharger and a blower is that a supercharger is mounted to the front of a vehicle and piped to the intake, whereas a blower is mounted to the intake on the block. Another difference is that a supercharger is belt-driven and forces only air into the manifold.