 Ch 2. Fluid Statics Multimedia Engineering Fluids PressureVariation PressureMeasurement HydrostaticForce(Plane) HydrostaticForce(Curved) Buoyancy
 Chapter 1. Basics 2. Fluid Statics 3. Kinematics 4. Laws (Integral) 5. Laws (Diff.) 6. Modeling/Similitude 7. Inviscid 8. Viscous 9. External Flow 10. Open-Channel Appendix Basic Math Units Basic Equations Water/Air Tables Sections Search eBooks Dynamics Fluids Math Mechanics Statics Thermodynamics Author(s): Chean Chin Ngo Kurt Gramoll ©Kurt Gramoll FLUID MECHANICS - CASE STUDY SOLUTION U-Tube Differential Manometer To determine the pressure difference between point A and B, start from one end and work to the other end:      pA - ρ1gh1 - ρ2gh2 + ρ1g (h1 + h2) = pB Rearrange terms to yield:      pA - pB = gh2 (ρ2 - ρ1) For the given values of ρ1 = 1000 kg/m3, ρ2 = 1600 kg/m3 and h2 = 0.75 m:      pA - pB = (9.8 m/s2) (0.75 m) (1600 - 1000) kg/m3                  = 4.4 kPa

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