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Next: Shock-Choke Phenomenon Up: General Velocities Issues Previous: General Velocities Issues Index
5.24) that relate the shock velocities and Shock Mach number as
Equation (5.64) is a quadratic equation for Msx. There are three solutions of which the first one is Msx=0 and this is immediately disregarded. The other two solutions are
The negative sign provides a negative value which is disregarded, and the only solution left is
or in a dimensionless form
Where the ``strange'' Mach number is Msx′ = Ux′ /Cx. The limit of the equation when cx⇒ ∞ leads to
As one additional ``strange'' it can be seen that the shock is close to the piston when the gas ahead of the piston is very hot. This phenomenon occurs in many industrial applications, such as the internal combustion engines and die casting. Some use equation (5.68) to explain the next Shock-Choke phenomenon.
Next: Shock-Choke Phenomenon Up: General Velocities Issues Previous: General Velocities Issues Index Created by:Genick Bar-Meir, Ph.D.
On: 2007-11-21 include("aboutPottoProject.php"); ?>