BRAE 236 - Basic Hydraulics

# BRAE 236 - Basic Hydraulics - 1 BASIC BASIC BASIC BASIC...

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Unformatted text preview: 1 BASIC BASIC BASIC BASIC HYDRAULICS HYDRAULICS Static Conditions Static Conditions PRESSURE PRESSURE • The force exerted upon an area 1 psi = 2.31 feet 2 Static Pressure Static Pressure 100' Elevation Pressure (ft) Pressure (psi) A B 45' 100' - 45' = 55 ' 23.81 C 5' 100' - 5' = 95 ' 41.1 Elev = 0' Relationship between gauge pressures and vertical distance below a water surface. Static condition. Elev = 0 Static Pressure Static Pressure A1 A2 A3 C1 C2 C3 100 feet Pressure A1 = Pressure A2 = Pressure A3 = 100 feet 1.5 sq in 1.0 sq in 20 sq in 3 Head and Force Head and Force • Head is synonymous with “pressure” • A pressure of 100 feet is often referred to as “100 feet of head” Force = Pressure x Area Force on Bottom Plate Force on Bottom Plate A1 A2 A3 C1 C2 C3 100 feet Pressure A1 = Pressure A2 = Pressure A3 = 100 feet 1.5 sq in 1.0 sq in 20 sq in Force = pressure/area 4 BRAE BRAE 236 236 ¾ Thrust blocks required for irrigation pipe Thrust blocks required for irrigation pipe Dynamic (Moving) Conditions Dynamic (Moving) Conditions Large flow rates are typically measured as: Gallons per Minute (GPM), or Cubic Feet per Second (CFS) 1 CFS = 448.8 GPM 5...
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## This note was uploaded on 01/13/2011 for the course BRAE 236 taught by Professor Styles during the Fall '08 term at Cal Poly.

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BRAE 236 - Basic Hydraulics - 1 BASIC BASIC BASIC BASIC...

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