Cummins 380kw diesel generator set price

3. Improve the pz maximum explosion pressure and the mean effective pressure PE ratio of pz/PE

Confirmed by the research and practice in theoretical cycle of diesel engine, improve pz/PE can significantly reduce the specific fuel consumption.Research indicates that when the pz/PE increased from 7.8 to 12, which is about 12 g/lower fuel consumption rate kW · h.Therefore, the modern Marine diesel engine adopts the measures to reduce fuel consumption rate.But, greatly improve pz is very difficult, it is subject to the conditions of the diesel engine load, must also take corresponding measures to ensure the reliability of the diesel engine.Thus from the '60 s to mid - 70 - s, Marine diesel engine pz though gradually increased, but increased modestly (pz in nearly 20 years only increase about 2.5 MPa).From the mid - 70 - s to mid - 80 - s, p z value has increased significantly in the diesel engine, add about 5 mpa.At present some of the diesel engine pz has 15 MPa (such as Sulzer RTA machine), and even 18 MPa.When the pz unchanged by PE value also can reduce fuel consumption rate, which is currently widely adopted energy saving measures.Reduce PE is diesel engine power use, such as maintain calibration speed and choose low (80%) of PE, or when using low speed (80%) with low PE, etc.

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Cummins 380kw diesel generator set price