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Problem: Patm z d L Name: $\left(\frac{P_1}{\rho} + \frac{v_1^2}{2} + gz_1\right) - \left(\frac{P_2}{\rho} + \frac{v_2^2}{2} + gz_2\right) = h_{Ltot}$ $h_{Ltot} = h_f + h_{Lm}$ $h_f = f \frac{Lv^2}{D2}$ $h_{Lm} = K \frac{v^2}{2}$ $Re = \frac{\rho vD}{\mu}$ Patm Water flows at 0.03 m³/s through a 75 mm diameter pipe, with L = 100 m, attached to a constant level reservoir. Inlet loss coefficient, K = 0.5, p = 999 kg/m³, µ = 1 E-3 kg/m-s. Find: the reservoir depth to maintain the flow.

          Problem:
Patm
z
d
L
Name:
$\left(\frac{P_1}{\rho} + \frac{v_1^2}{2} + gz_1\right) - \left(\frac{P_2}{\rho} + \frac{v_2^2}{2} + gz_2\right) = h_{Ltot}$
$h_{Ltot} = h_f + h_{Lm}$
$h_f = f \frac{Lv^2}{D2}$
$h_{Lm} = K \frac{v^2}{2}$
$Re = \frac{\rho vD}{\mu}$
Patm
Water flows at 0.03 m³/s through a 75 mm diameter pipe, with L = 100 m, attached to a
constant level reservoir. Inlet loss coefficient, K = 0.5, p = 999 kg/m³, µ = 1 E-3 kg/m-s.
Find: the reservoir depth to maintain the flow.

Problem:
Patm
z
d
L
Name:
((P1)/(ρ) + (v1^2)/(2) + gz1) - ((P2)/(ρ) + (v2^2)/(2) + gz2) = hLtot
hLtot = hf + hLm
hf = f (Lv^2)/(D2)
hLm = K (v^2)/(2)
Re = (ρ vD)/(μ)
Patm
Water flows at 0.03 m³/s through a 75 mm diameter pipe, with L = 100 m, attached to a
constant level reservoir. Inlet loss coefficient, K = 0.5, p = 999 kg/m³, µ = 1 E-3 kg/m-s.
Find: the reservoir depth to maintain the flow.

Added by Stefanie M.

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