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What is Dynamic Pressure mean?
In incompressible fluid dynamics dynamic pressure (indicated with q {\displaystyle q} , or Q, and sometimes called velocity pressure) is the quantity defined by:
q = 1 2 ρ u 2 {\displaystyle q={\frac {1}{2}}\rho \,u^{2}}where (using SI units):
It can be thought of as the fluid's kinetic energy per unit volume.
For incompressible flow, the dynamic pressure of a fluid is the difference between its total pressure and static pressure. From Bernoulli's law, dynamic pressure is given by
p 0 − p s = 1 2 ρ u 2 {\displaystyle p_{0}-p_{\text{s}}={\frac {1}{2}}\rho \,u^{2}}where p 0 {\displaystyle p_{0}} and p s {\displaystyle p_{\text{s}}} are the total and static pressures, respectively.
referencePosted on 16 Dec 2024, this text provides information on Miscellaneous in Space Science related to Space Science. Please note that while accuracy is prioritized, the data presented might not be entirely correct or up-to-date. This information is offered for general knowledge and informational purposes only, and should not be considered as a substitute for professional advice.
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