Differentiate, distinguish, compare and explain what is the main difference between otto cycle and diesel cycle.
Difference between Otto Cycle and Diesel Cycle
- In Otto cycle both heat addition and rejection take place at constant volume. In Diesel cycle heat addition takes place at constant pressure while heat rejection takes place at constant volume.
- Otto cycle has higher air standard efficiency while diesel has lower air standard efficiency.
- In first, the efficiency depends only upon compression ratio while in second the efficiency depends upon compression ratio and cut-off ratio both.
- In Otto, the efficiency does not depends upon the load. In diesel cycle, the efficiency depends upon load and increases as the load is decreased.