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0542-4321

Engineering hydraulics

Also listed as: הידראוליקה הנדסית

Pipe networks, pumps, transients and open-channel flow. It maps onto Israeli water infrastructure more directly than any other elective in the catalogue.

Semester
Semester B
Weekly hours
4h
Counts as
Department electives
Interest areas
Flow and thermal design · Environment and energy

Comes after

  • Fluid mechanics 1

Opens up

  • Water-systems and environmental research

What it covers

Closed conduits

  • Pipe flow and head loss, Darcy–Weisbach, the Moody diagram, minor losses
  • Pipeline systems in series, parallel and branching
  • Pipe networks, Hardy Cross and EPANET
  • Pumps and systems: characteristic curves, operating point, cavitation and NPSH, specific speed
  • Water hammer and surge protection

Open channels

  • Uniform flow, Chézy and Manning
  • Specific energy, critical depth, the Froude number
  • Hydraulic jump
  • Gradually varied flow and surface-profile classification
  • Flow measurement with weirs and notches

Results worth carrying out

  • Darcy–Weisbach

    hf=fLDV22gh_f = f\,\frac{L}{D}\,\frac{V^2}{2g}
  • Manning

    V=1nR2/3S1/2V = \frac{1}{n}\,R^{2/3}\,S^{1/2}
  • Froude number

    Fr=Vgy\mathrm{Fr} = \frac{V}{\sqrt{gy}}
  • Specific energy

    E=y+V22gE = y + \frac{V^2}{2g}
  • Available net positive suction head

    NPSHa=patmpvρg+zhf\mathrm{NPSH}_a = \frac{p_{atm} - p_v}{\rho g} + z - h_f

Figures worth knowing

  • Moody chart
  • Pump characteristic curves
  • Specific-energy diagram
  • Surface-profile classification
  • Hydraulic-jump sketch

Related courses

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