Compare detonation and diesel knock on the basis of (i) Fuel Ignition Temperature (ii) Compression Ratio (iii) Speed (iv) inlet temperature (v) inlet pressure (vi) cylinder wall temperature (vii) cylinder size
1 Answer
Comparison between detonation and diesel knock:
|
Parameter
|
To avoid Detonation in SI Engine
|
To avoid Diesel knock
|
|
i) Fuel Ignition Temperature
|
High
|
Low
|
|
ii) Compression Ratio
|
Low
|
High
|
|
iii) Speed
|
High
|
Low
|
|
iv) Inlet temperature
|
Low
|
High
|
|
v) Inlet pressure
|
Low
|
High
|
|
vi) Ignition delay
|
Long
|
Short
|
|
vii)Cylinder wall temperature
|
Low
|
High
|
| viii) Cylinder size |
Small
|
Large
|