Hi Slow Roll
Thank you so much for that. Yes, you are right , MASS FLOW is increased, not MASS.... I read the text wrong...which almost never helps.
I understand most of what you have said, I guess what I don't understand is the two stages of the compression stage.
Accelerating the air then diffusing it. How is the total pressure increased? I don't get how work is done to the air and how work done increases its total pressure!
1. When you accelerate the air, you increase its kenetic energy.
This would mean a decrease in static energy right?
So how is total pressure raised.
2. At the diffuser stage, the air is slowed and is allowed to expand, therefore it looses kenetic , so static increases.
Still don't see how the pressure rises, it just seems to change from one state into another.
I am sure I am holding on to the wrong end of the stick here.
I will try the other forums, but if you have any more to add about this work done to the air I would really appreciate it.
Thank you for your previous response.
PM