Linsheng – Why Is The Partial Ignition Not Popular?
With Mazda’s announcement at the 2017 Los Angeles Auto Show that the 2.5T engine will be a new power option for Artz, the turbocharged engine basically achieves full coverage for mainstream car brands, although many people still have a variety of self-priming engines. Housing, but the overall small engine displacement of the engine is inevitable.
Partial ignition can significantly improve the dynamic response of turbine models, but why is this technology not popular under the trend of turbo popularization?
The hysteresis of the turbine is because the turbine blade rotation is driven by the engine exhaust gas. When the engine speed is low, the amount of exhaust gas generated is not enough to push the turbine blade to rotate. There is a time difference from the turbine blade to the turbine blade starting to rotate. This time difference is the turbo lag.
linsheng said that although the partial ignition system has many advantages, the shortcomings of the partial ignition system are inevitable. The biggest problem brought by the partial ignition system is the significant increase in fuel consumption. No matter which working method is used, With additional fuel injection, the fuel consumption has increased significantly. In addition, the gasoline that is burned at the exhaust position does not pass through the three-way catalytic device, so the exhaust gas emitted is also more polluted.
linsheng concluded: For the car, the speed of all vehicles is the only pursuit of the goal, but this is not the case for ordinary civilian cars. For civil vehicles, high stability is the top priority. At the same time, in recent years, the environmental regulations of various countries have been continuously upgraded and upgraded. Engineers are trying to break the head of the pollutants and reduce the amount of pollutants. The system may make countless efforts disappear, and the above-mentioned multiple reasons for the partial ignition system is absolutely more harmful than the profit for the civilian car.