Pascal-seconds
In the context of aerospace engineering, Pascal-seconds (Pa·s) is a unit of dynamic viscosity in the International System of Units (SI). Dynamic viscosity is a measure of a fluid's resistance to shear or flow at a given temperature. In aerospace engineering, understanding the dynamic viscosity of a fluid is crucial for the design and analysis of systems where fluid flow is involved, such as fuel systems in rockets or air flow over aircraft wings. The unit Pascal-second is derived from the basic SI units of pressure (Pascal) and time (second). One Pascal-second is equivalent to one kilogram per meter per second. It is used in calculations involving the Navier-Stokes equations, which describe the motion of fluid substances, and is fundamental in fluid dynamics studies, a key area in aerospace engineering.
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