Question
Download Solution PDFThe ratio of pressure intensity at a point and specific weight of the fluid at that point is called _______.
Answer (Detailed Solution Below)
Detailed Solution
Download Solution PDFExplanation:
Pressure Head:
The ratio of pressure intensity at a point and the specific weight of the fluid at that point is called pressure head
ressure head = \(\frac{p}{ρ{g}}\)
Hydraulic head/Piezometric head:
Hydraulic head or piezometric head is a specific measurement of liquid pressure above a vertical datum. It is usually measured.
The sum of the pressure head and datum is known theas piezometric head. It is given by:
\(\frac{p}{ρ{g}}+z\)
The total energy of a flowing fluid can be represented in terms of head, which is given by -
\(\frac{p}{ρ{g}}\;+\;\frac{V^2}{2g}\;+\;z\;\)
\(where\;\frac{p}{\rho{g}}=pressure\;head,\;\frac{V^2}{2g}=velocity\;head\;and\;z=datum\)
Last updated on May 28, 2025
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