Advanced Fluid Mechanics: Hydrostatic Pressure Distributions and Applications
Explore hydrostatic pressure distributions in liquids and gases, along with applications in manometry, buoyancy, and stability. Learn about specific weight of fluids, pressure heads, and calculating pressure in different scenarios.
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Lec 5 Advanced Fluid Mechnichs Asst. Prof. Dr. Zainab Talib Al- Sharify Email: zainab_talib2009@yahoo.com
Summary Lecture 5 Chapter 2 Hydrostatic Pressure Distributions, Hydrostatic Pressure in Liquids, Hydrostatic Pressure in Gases Application to Manometry Hydrostatic Forces on Plane Surfaces Buoyancy and Stability
Hydrostatic Pressure in Liquids Liquids are so nearly incompressible that we can neglect their density variation in hydrostatics. we assume constant density in liquid hydrostatic calculations, for which Eq. (2.18) integrates to We use the first form in most problems. is called the specific weight of the fluid, with dimensions of weight per unit volume; some values are tabulated in Table 2.1. T he quantity p/ is a length called the pressure head of the fluid.
For lakes and oceans, the coordinate system is usually chosen as in Fig. 2.5, with z=0 at the free surface, where p equals the surface atmospheric pressure pa. When Fig. 2.5 Hydrostatic-pressure distribution in oceans and atmospheres.
New found Lake, a fresh water lake near Bristol, New Hampshire, has a maximum depth of 60m, and the mean atmospheric pressure is 91 kPa. Estimate the absolute pressure in kPa at this maximum depth.
Hydrostatic Forces on Plane Surfaces Fig. 2.11 Hydrostatic force and center of pressure on an arbitrary plane surface of area A inclined at an angle below the free surface.
Gage-Pressure Formulas Hydrostatic Forces on Curved Surfaces The resultant pressure force on a curved surface is most easily computed by separating it into horizontal and vertical components.
Dr. Zainab Talib Al-Sharify Thank you!
