27-02-2015, 09:33 PM
post the journals on working of DTSi engine in bikes
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international journal paper on dtsi engine pdf
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post the journals on working of DTSi engine in bikes
15-03-2017, 11:32 AM
DTSI stands for Digital Twin Spark Ignition System.
The operating principle is that, there is an additional SPARK plug inserted into the other end of the combustion chamber along with the spark plug usually with the traditional placement in the upper center.
The idea was introduced taking into account the SLOWER Flame Propogation with a single spark plug as in the traditional design of the engine. Also due to the rectangular shape of the combustion chamber, the flame could not reach all the side zones and corners of the combustion chamber, thus leaving some amount of the UNBURNT A / F mixture.
Working
The Twin Spark digital ignition engine has two spark plugs located at the opposite ends of the combustion chamber and, therefore, rapid and efficient combustion is obtained. The benefits of this efficient combustion process can be felt in terms of better fuel efficiency and lower emissions. The spark ignition system Twin is a digital system with static spark advance and no moving parts subject to wear. It is mapped by the integrated digital electronic control box that also handles fuel injection and valve timing. It has two plugs per cylinder.
This innovative solution, which also includes a special configuration of the hemispherical combustion chambers and piston heads, ensures a fast and wide flame front when the air-fuel mixture is ignited and, therefore, less ignition advance, Relatively poor mixtures. This technology provides a combination of light and double the power offered by two-stroke engines with a considerable increase in power, ie a considerable "power-to-weight ratio" compared to many four-stroke engines.
In addition, such a system can adjust the idle speed and even cut off the fuel supply when the accelerator pedal is released and measure the air-fuel mixture enrichment for cold start and acceleration purposes; If necessary, it also prevents the upper limit of revolutions from being exceeded. At low revolutions, the supercharging is mainly used when it is advanced, and that is why it is automatically cut. At higher speeds, the boost will increase the maximum power supply and remain lit while the driver exerts maximum pressure on the throttle.
Advantages
• Less vibrations and noises
• Long life of engine parts, such as piston rings and valve stem.
• Decrease of specific fuel consumption
• Without overheating
• Increase the Thermal Efficiency of the Motor and even withstand high loads on it.
• Better engine starting even in winter season and cold weather conditions or at very low temperatures due to increased compression ratio.
• Due to double sparks, the diameter of the flame increases rapidly, resulting in the instantaneous combustion of fuels. Therefore, the force exerted on the piston would increase leading to a better working output.
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