Heading Automotive engines YaMZ-650

Contents

Contents

1. Introduction

2. Thermal calculation of the engine

2.1. Filling Process

2.2. Compression Process

2.3. Combustion process

2.4. Expansion Process

2.5. Release Process

2.6. Cycle indicators

2.7. Efficient engine performance

2.8. Main cylinder dimensions and piston engine parameters

2.9. Thermal Results Summary Table

3. Dynamic calculation

4. Building an Indicator Chart

4.1. Four-stroke diesel indicator diagram

4.2. Rebuilding the Indicator Chart

4.3. Plotting of forces Pj iR

4.4. Plot forces T and K

4.5. To create a polar diagram of crankpin loads

4.6. Plot total torque

Conclusion

List of literature

1. Introduction

The thermal calculation of the engine is used to determine the parameters of the working medium in the engine cylinder, as well as the estimated parameters of the working process, to evaluate power and economic indicators that allow assessing the power and fuel consumption.

The calculation method is based on the method of V.I. Grinevetsky, later improved by E.K. Mazing, N.R. Briling, B.S. Stechkin and others.

The task of dynamic calculation is to determine the forces acting in the mechanisms for converting the energy of the working medium into the mechanical work of the engine.

In the present work, thermal and dynamic calculations are performed for the rated power mode.

Conclusion

As a result of the course work, the thermal and dynamic calculation of the YaMZ650 engine was carried out.

After performing the thermal calculation, they determined the parameters of the working medium in the engine cylinder, and also made process estimates that made it possible to determine the parameters of the engine and evaluate its power and economic indicators.

During the dynamic calculation, the forces acting on the crank gear mechanism were determined, as well as the torque developed by the engine.

ЯМЗ650.cdw