A special nozzle has been made with associated ducting and instruments in order to provide an absolute measure of airflow. The equipment could form a portable self-contained assembly, enabling calibrations to be made of ...
Properties of 'Real Air' in isentropic nozzle flow are compared with those of either 'Classic Air' for which y = 1.4 exactly or 'Ideal Air' for which y may vary, but which obeys the Ideal Gas law Pv = RT. Having shown that ...