Shock Wave in a Converging-Diverging Nozzle the air flowing through the converging-diverging nozzle of Example 17- experiences a normal shock wave at the nozzle exit plane (Fig. 17-36), determine The following after the shock: (a) the stagnation pressure, static pressure, static emperature, and static density; (b) the exit velocity; and Approximate the flow as steady, one-dimensional, and isentropic with k = 1.4 from the nozzle inlet to the shock location. = 2,86 kg/s Shock wave 2 Ma₁ = 2 Pol=1.0 MPa P₁ = 0.1278 MPa T₁ = 444.5 K Pi= 1.002 kg/m³ FIGURE 17-36 Schematic for Example 17-9.

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Entropy

In physics, entropy means the amount of disorder or the degree of randomness associated with a thermodynamic system. The system is not self-organized when the entropy of the system is high. For instance, when a system is at an elevated temperature, its molecules are in random motion, vibrating and colliding with each other. During this scenario, the probability of finding a molecule at a particular place twice, is low. Under this circumstance, the system can be said to be in a high entropy.