Starlight generator

Engine Insulated Exhaust Systems CAUTION! When engines are delivered without protection all hot surfaces must be protected if it, after being built into the respective applications, is necessary for personal safety. Because of the high temperatures that occur in dry exhaust pipes around 500 – 600 ° C (850 – 1030 ° F) it is sometimes necessary to insulate them. In this way the temperature in the engine compartment can be kept low and burn injuries through contact can be avoided. The insulation also contributes toward keeping noise levels low. Manifolds and turbochargers may however not be insulated due to the risk of overheating with the destruction of bolted joints and gaskets as the result. Long exhaust lines affect exhaust back pressure negatively and in such cases exhaust pipe diameter must be increased. Check the exhaust back pressure for every installation. Exhaust outlet location The exhaust pipe outlet must be designed such that rainwater cannot get into th...

Exhaust System  of Volvo Diesel Engine Dry Exhaust Line Silencer In general there are two types of silencer: absorbing and reactive. Absorbing silencers These silencers work according to the principal of absorbing sound with the aid of an absorbent lining inside the silencer. They usually provide silencing over a broad frequency range. They are generally of straight-through construction and only offer a marginally higher back pressure than a straight pipe of the same length. Expansion silencers (reactive) These silencers work according to the principal of reflecting sound and thereby retaining it inside the silencer. The silencer has internal baffle plates that divide it up into sections that can be adjusted individually to a given frequency. A reactive silencer creates a relatively high back pressure owing to the meandering route of the gas flow, i.e. past the baffles that redirect the flow. Volvo Penta HD silencers combine reactive and ab...