Which of these statements about an oblique shock wave are correct or incorrect?
I. The static temperature in front of an oblique shock wave is lower than behind it.
II. The static pressure in front of an oblique shock wave is lower than behind it.
An oblique shock wave is a plane of discontinuity including more than 90 degree from flow direction.
It decreases the speed of the airflow, but still keeping it supersonic.
As the speed of the airflow decreases, its static pressure and density will increase.
The energy of the airflow decreases and the temperature increases, increasing the local speed of sound.
It decreases the speed of the airflow, but still keeping it supersonic.
As the speed of the airflow decreases, its static pressure and density will increase.
The energy of the airflow decreases and the temperature increases, increasing the local speed of sound.
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