Nowadays, using turbines on petrol engines is a prerequisite to achieve maximum power unit with insignificant increase in fuel consumption. Some turbines even allow reducing petrol consumption in comparison with the same unit, but without the use of turbocharging.
The principle of operation of the turbine is quite simple. With its assistance pushed into an aggregate large amounts of air under pressure to the fuel burns more efficiently and economically, and capacity will significantly increase. Turbochargers today come in different types and designs. We invite you to review in more detail the most successful and interesting options.
TSI - a living legend from the Corporation Volkswagen
Today, TSI engines with turbocharged are the most technologically advanced. This is confirmed by a variety of contests and car shows on which powertrain 1.4 TSI with 122 or 144 horsepower has received numerous prizes.
In principle, with twin turbines from Volkswagen are not so complex. Engineers just joined the already known to the automotive world data into the new structure, excellent results to increase engine efficiency. The first version of this unit became the 1.4 TSI with 122 horsepower. A little later the power was increased to 144 horsepower, and later were installed similar turbines virtually all petrol engines group, moving away from the use of standard technology MPI.
Turbine has the following advantages:
- A significant increase in motor efficiency;
- improving the elasticity of the unit - instant set speed;
- Optimization of fuel consumption (a reduction of about 1 litre compared with the unit without the turbine);
- To improve the environmental safety of the working unit.
With the turbine is achieved not only increase the capacity of the engine, but also improves its operating conditions. Inherently, turbine allows for a more flexible operation of all systems, even during heavy loads. Previously, it was thought that any turbines are a source of rapid deterioration and engine failure. Indeed, repair of the turbine itself - a phenomenon that frequently occurs and familiar. Nevertheless, the current technology does not interfere to operate unit safely and for a long time.
Twin Scroll - Japanese system turbocharged
The main sphere of using this type of turbine became cars of corporation Subaru. The operation of the turbocharger is not only the principle of using air trapped outside, but also the natural pressure of the engine exhaust. Twin Scroll has two separate streams of air that are directed to each pair of cylinders. Technology is used for 4-cylinder engines and has an excellent efficiency.
There are no other prominent distinctions in the current turbine from TSI. But there are some limitations:
- Slightly changes exhaust of gas system that does not allow improving the environmental issues;
- Turbine is quite soft, even in a slight frontal strike, it breaks down;
- developed turbine twin Scroll were established long enough, the design has not changed for more than a decade;
- The system does not achieve such efficiency as modern TSI.
But these disadvantages can be considered insignificant, because the engines with Twin Scroll enhance their performance, improve resource and improve the elasticity of work. However, there is no a special fuel economy, when using this technology. Quantity supplied to the air combustor increases the amount of petrol supply.
Turbochargers with intercooler
The first in Mitsubishi cars is used similar technology. Incomprehensible for many the word intercooler means additional unit, which serves to feed into the combustion chamber of cold air. The turbochargers often take air from radiator system, where it is hot enough. Correct and efficient operation of the turbine is provided only with the cold air flow.
For this purpose, in front of the turbine installing intercooler that comes in many forms and types. After Mitsubishi engines with such a device almost all other renowned automotive manufacturers cultivated.
Lowering the temperature makes it possible to increase the efficiency of the turbine, to reduce fuel consumption and to achieve some of the technical improvements in engine performance.
Summing up
Developments in turbines field for petrol engines have a common schema and technology at the base. Many companies in the automotive world apply their own technological advances to these technologies, but the operation of the turbine always remains the same.
If you are convinced that the turbine harms petrol engine and eventually results the system failure, worth a read operational characteristics of new devices from the world's leading companies. You will find that turbocharged engines can even serve you even longer than normal aspirated.
About the authors
The CarAraC research team is composed of seasoned auto mechanics and automotive industry professionals, including individuals with advanced degrees and certifications in their field. Our team members boast prestigious credentials, reflecting their extensive knowledge and skills. These qualifications include: IMI: Institute of the Motor Industry, ASE-Certified Master Automobile Technicians; Coventry University, Graduate of MA in Automotive Journalism; Politecnico di Torino, Italy, MS Automotive Engineering; Ss. Cyril and Methodius University in Skopje, Mechanical University in Skopje; TOC Automotive College; DHA Suffa University, Department of Mechanical Engineering
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