A four stroke cycle engine that is turbocharged is generally referred to as a turbo diesel. This type of engine is extremely popular because of its increased volumetric efficiency resulting in a higher power output when compared to a naturally aspirated engine of similar size. The turbocharger two main components are the turbine and the compressor.
Turbocharged engines are used extensively in a number of applications. Some of which are electrical power supply, train, auto and the maritime industry. Also, because of its versatility they are widely installed on heavy duty machinery and in remote locations such as within the mining industries.
Whenever the intake air is compressed the volumetric efficiency of the engine increases tremendously. The exhaust gas is the driver for the turbocharger. The induction stroke is the first in the four stroke cycle. The others are compression, power and exhaust.
The turbocharger consists of a turbine and a compressor, both in separate housing. However, both are connected to the same shaft which rotates freely. The turbine side is connected to the exhaust manifold, while the compressor side is connected to the intake air manifold. The exhaust gas upon exiting the cylinder flows through the turbine housing and in so doing drives the turbines.
An engine that is naturally aspirated gets a fresh charge of air whenever the piston moves downward during the induction stroke. However, with an engine that is turbocharged intake air is compressed by the compressor. This allows for a large volume of air to be admitted into the cylinder during the induction stroke. The compressor is driven by the turbine.
Exhaust emission is said to be reduced with the recycling of exhaust gases. More exhaust gas is release into the atmosphere by the turbo diesel engine. However, it is believed that gasoline engine releases more carbon dioxide. The noise created by vibration and also piston slap is contained hence a much quieter engine.
Turbocharged engines are used extensively in a number of applications. Some of which are electrical power supply, train, auto and the maritime industry. Also, because of its versatility they are widely installed on heavy duty machinery and in remote locations such as within the mining industries.
Whenever the intake air is compressed the volumetric efficiency of the engine increases tremendously. The exhaust gas is the driver for the turbocharger. The induction stroke is the first in the four stroke cycle. The others are compression, power and exhaust.
The turbocharger consists of a turbine and a compressor, both in separate housing. However, both are connected to the same shaft which rotates freely. The turbine side is connected to the exhaust manifold, while the compressor side is connected to the intake air manifold. The exhaust gas upon exiting the cylinder flows through the turbine housing and in so doing drives the turbines.
An engine that is naturally aspirated gets a fresh charge of air whenever the piston moves downward during the induction stroke. However, with an engine that is turbocharged intake air is compressed by the compressor. This allows for a large volume of air to be admitted into the cylinder during the induction stroke. The compressor is driven by the turbine.
Exhaust emission is said to be reduced with the recycling of exhaust gases. More exhaust gas is release into the atmosphere by the turbo diesel engine. However, it is believed that gasoline engine releases more carbon dioxide. The noise created by vibration and also piston slap is contained hence a much quieter engine.
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