DTSSI ENGINE PDF

Monday, 9 September DTSI Digital Twin Spark Ignition System It is very interesting to know about complete combustion in automobile engineering, because in actual practice, perfect combustion is not at all possible due to various losses in the combustion chamber as well as design of the internal combustion engine. Moreover the process of burning of the fuel is also not instantaneous. However an alternate solution to it is by making the combustion of fuel as fast as possible. In this system, due to twin sparks, combustion will be complete. How Does It Works? Digital Twin Spark ignition engine has two Spark plugs located at opposite ends of the combustion chamber and hence fast and efficient combustion is obtained.

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Well, the DTS-Si or the Digital Twin Spark-Swirl Induction is a technology where dual spark plugs are used and that it is known to give great mileage to the bikes and this is main purpose why the major bike manufacturers use the technology in their bikes. The DTS-Si technology will likely give unbelievable fuel efficiency provided the bike runs in standard test conditions.

Generally, the cc motorbikes do not offer such a mileage but the DTS-Si technology powered bikes give a greater mileage, which is the biggest advantage for the bikes.

As the technology uses 2 spark plugs to initiate the combustion of air-fuel mixture, it leaves little unburnt fuel within the engine. Why is the DTS-Si technology better than the conventional single spark plug equipped engine? Apart from giving an amazing mileage to the bike, the engine enabled with DTS-Si technology does not compromise on technology. In a traditional single spark plug oriented the combustion process is very slow.

This is because the spark plug is located at one end of the combustion chamber, which sparks the air-fuel mixture and the flame inflates like a balloon that takes some time to reach the remote corner of the combustion chamber that delays the combustion process. Whereas, in the DTS-Si technology equipped engine the cylinder head is fitted with two spark plugs at two of corners of the combustion chamber, which ensures that the sparks emit from two ends of the chamber and the air fuel mixture ignites to produce two flame fronts thus, the process of combustion is faster and also the pressure rises at a good pace.

This technology in the engine promotes greater torque, fuel-efficiency and low emission. What do the motorcycle makers have to say on the DTS-Si? Hero Honda and Bajaj have had two different opinions regarding the performance of cc bikes performance in the market.

Bajaj was of the belief that the demand for cc bikes was fast declining and with time the segment will not have many buyers. But TVS Motors claimed that the same could be achieved in a single spark too by inserting differential sparking cycles. There are other engine makers besides TVS who do argue that a good combustion chamber design will not have poor combustion issues, and that should a DTSSi technology improve fuel efficiency, then the combustion chamber design must be bad.

This could be individual opinions but we are seeing the Bajaj bikes; the cc and the cc ones featuring the DTS-Si technology for good. They have patents for these bikes in various countries. And it cannot be debated that Bajaj bikes with the technology sell like hell; a great marketing tactic and definitely an add on the consumers benefited. Image Source: XCD

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DTSSI ENGINE PDF

In fuel injection the conventional carburetor has been replaced by injector which injects fuel in to the engine in a spray form based on the instructions of the Engine Control Unit ECU which is a part of the Engine Management System EMS. The new cc engine with DTS-Si technology will give an amazing mileage of km per liter under ideal test conditions surpassing the mileage of all current cc motorcycles. TVS countered by threatening to sue Bajaj Auto for libel. Bajaj enjoys a market share of 47 percent in the growing and profitable cc and cc segments, as against a smaller share of 24 percent in the declining but larger cc segment.

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