Question
Download Solution PDFThe square root of the ratio of the inertia force due to flow to the elastic force of fluid is known 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.
For the compressible fluid flow, 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 flow |
Other important dimensionless numbers are described in the table below
Reynold’s number |
|
Froude Number |
|
Euler number |
|
Weber Number |
|
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