1.621 is the pressure coefficient at that point when the local Mach number is 0.86.
MaA = 0.88
P₀/P∞ = 1.186
MaA = 0.86
P₀/Pa = 1.621
The pressure coefficient at point is 1.621.
The SI unit for pressure is the pascal (Pa), which is equal to one newton per square meter (N/m2) of force per unit area of surface. An object's pressure is inversely proportional to the area it is pressing on and inversely proportional to the force it applies.
The ratio of pressure forces to inertial forces is known as the pressure coefficient. The majority of fluid flow applications take into account the pressure coefficient.
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