As we know in the last example how to calculate the temperature at the end of the power stroke. We can calculate heat out   of the exhaust system by this formula.

Heat out = CV × (Temperature at the end of the power stroke – Temperature in).

Example:

Heat out = cv × (Temperature at the end of the power stroke – Temperature in)

Heat out = 0,718×( 750 – 288 )

Heat out = 313 kj/kg 

How to calculate the heat out of the exhaust system

One of the most important points in our project is how to calculate the heat out of the exhaust system.

For example if we want to calculate the heat out of the exhaust system, it is important to find the next:

1- Compression Ratio

2- Pressure & temperature at B.D.C.

3- Pressure & temperature at T.D.C. Before and after ignition

4- Pressure & temperature at B.D.C. at the end of power stroke

Example: