Water at 20∘C20^\circ\text{C} (ρ=998 kg/m3)(\rho = 998\ \text{kg/m}^3) flows through an inclined pipe of diameter 8 cm8\ \text{cm}. At sections AA and BB, the following data are measured: pA=186 kPa,VA=3.2 m/s,zA=24.0 mp_A = 186\ \text{kPa}, \quad V_A = 3.2\ \text{m/s}, \quad z_A = 24.0\ \text{m}pB=260 kPa,VB=3.2 m/s,zB=9.1 m Determine the head loss hfh_f for the flow in m.
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An annulus of narrow clearance causes a large pressure drop…
An annulus of narrow clearance causes a large pressure drop and can be used to measure fluid viscosity accurately. A smooth annulus has: L=1.0 m,a=50 mm,b=49 mmL = 1.0\ \text{m}, \qquad a = 50\ \text{mm}, \qquad b = 49\ \text{mm}Oil flows through the annulus at Q=2.60×10−3 m3/s Q = 1.400\times10^{-3}\ \text{m}^3/\text{s} If the measured pressure drop is Δp=250 kPa\Delta p = 250\ \text{kPa} What is the oil viscosity μ\mu in kg/m.s?
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