In addition to the display of new energy, car networking, autonomous driving, and other high-energy technologies, the display of new traditional engine technology still occupies a large part of the content.
Increasingly higher car engine combustion efficiency.
Lighter and lighter engine weight and higher and higher engine power output have become the current and future engine development trends. In this paper, we try to explain from an automotive engineer’s point of view, the different concerns of OEMs and consumers in engine technology, and how to correlate them, to provide some reference and guidance for consumers to choose the engine when purchasing a car.
Currently, in automotive fuel consumption, strict regulations have been formulated.
It mainly includes single-vehicle fuel consumption and enterprise average fuel consumption. In general, single-vehicle fuel consumption is relatively easy, but the average corporate fuel consumption will be much more strict and demanding. Continuous optimization of the current model mix, along with the continuous reduction of individual vehicle fuel consumption, as well as the mass production of more new energy models.
In order to reduce the fuel consumption of a single car.
From the perspective of the engine, mainly uses a variety of new technologies, including engine displacement miniaturization, high-efficiency combustion, reduced friction work, fast warm-up, and so on. The main idea is that based on the traditional engine, repair, increase or decrease, a combination of various new engine technologies, as far as possible to drain every drop of fuel energy.
However, at the same time, vehicle OEMs need to consider mandatory emission regulations and vehicle drivability needs while meeting fuel consumption limits. OEMs must strike an optimal balance between fuel consumption, emissions, and drivability. For example, to continuously reduce fuel consumption, a 1.0L displacement turbocharged engine was introduced, but to meet the more stringent emission regulations, as well as better drivability, a 1.0L displacement engine is no longer appropriate. It is necessary to increase the displacement, balancing the emissions and drivability, called ‘right-size engine The name is ‘right-size engine’.
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