exhaust

Inlet and Exhaust Valves

July 12, 2019 Nigel 0

The main function of the engine inlet and exhaust valves is to let air in and out of the cylinders. Cooling – the intake valve will be cooled by the incoming air and fuel mixture. [more…]

Flow Noise

November 18, 2018 Nigel 0

A term generally used to describe aerodynamic noise produced when a gas flows within a duct or when the gas exits the duct. This is a typical problem observed in the exhaust systems of internal [more…]

Acoustic Filter Elements

September 28, 2018 Nigel 0

There are a number of different ways to attenuate the sound waves propagating down a duct (eg air intake, exhaust system) and I thought it would be good to list these different elements, how they [more…]

Exhaust

September 15, 2018 Nigel 0

Gases ejected from an engine as waste products are transported away from the engine using an exhaust system. The main features that must be considered are: Acoustic design – Acoustic Ducts, Acoustic Filter Elements (eg [more…]