What are the differences between dry and wet dual-clutch systems?
2 Answers
The differences between dry and wet dual-clutch systems are: 1. Different cooling methods: Dry dual-clutch systems use air cooling to dissipate heat, while wet dual-clutch systems are immersed in oil, providing higher cooling efficiency. 2. Different clutch types: Dry clutches are manual transmission friction plate clutches, which offer high mechanical transmission efficiency but are more complex to operate and have a higher failure rate. Wet clutches are automatic transmission oil-immersed friction plate clutches, which have lower mechanical transmission efficiency but are easier to operate and have a lower failure rate. Dual-clutch refers to the dual-clutch transmission (DCT), which belongs to both manual and automatic transmissions. The advantages of dual-clutch systems include: 1. Seamless gear shifting; 2. Reduced fuel consumption; 3. Stronger vehicle acceleration; 4. The ability to skip downshifts in manual control mode.
When it comes to the difference between dry and wet dual-clutch transmissions, I think the main distinction lies in the daily driving experience. Dry clutches don't use fluid for cooling, relying instead on air cooling, which makes them lighter and simpler in structure. However, they tend to overheat, especially in stop-and-go city traffic, leading to jerky gear shifts that affect comfort. Wet clutches are immersed in oil for cooling, providing more stable heat dissipation, making them perform much better on long trips or in frequently congested areas. That said, the addition of the oil system makes them heavier and more expensive. I would recommend wet clutches for beginners or those who do a lot of city driving because they're more durable and less prone to failure. The choice between the two depends on driving habits—dry clutches are better suited for those who occasionally drive on highways.