Question
Download Solution PDFA flow having Mach number (Ma) between 1.2 and 3.0 is classified as:
Answer (Detailed Solution Below)
Detailed Solution
Download Solution PDFExplanation:
Mach number
Mach number is defined as the ratio of inertia force to elastic force.
\(M = \sqrt {\frac{{Inertia\;force}}{{Elastic\;force}}} = \sqrt {\frac{{\rho A{V^2}}}{{KA}}} \)
\(= \sqrt {\frac{{{V^2}}}{{\frac{K}{\rho }}}} = \frac{V}{{\sqrt {\frac{K}{\rho }} }} = \frac{V}{C}\)
\({ {\sqrt {\frac{K}{\rho }} = C = Velocity\;of\;sound} }\)
\(M = \frac{{velocity\;of\;body\;moving\;in\;fluid}}{{velocity\;of\;sound\;in\;fluid}}\)
For the compressible fluid flow, the Mach number is an important dimensionless parameter. On the basis of the Mach number, the flow is defined.
|
Mach Number |
Type of flow |
|
M < 0.8 |
Sub-sonic flow |
|
0.8 < M <1.3 |
Trans-sonic |
|
M = 1 |
Sonic flow |
|
1.3 < M < 5 |
Super-sonic flow |
|
M > 5 |
Hypersonic |
Last updated on Jun 13, 2024
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