What's New

- updated for iOS 14
- fixed an error in Peak Discharge (Rational Formula)

App Description

Fluid Flow Calculator : contains 94 Calculators for calculating flow in Weirs,Channels,Pipes,Water works and Civil Engineering parameters.
- Available in Metric ( SI ) and Imperial Units ( USCS )
• Capillary Rise
• Viscosity
• Kinematic Viscosity
• Hydrostatic Pressure
• Pressure Head
Offered as in-App purchase :
• Velocity Head
• True Velocity Head
• Specific Energy Head
• Head Loss (Bernoulli Equation)
• Total Energy - Elemental Volume of Fluid
• Total Head of Flowing Fluid
• Average Velocity of Flow
• Summation of all Forces (X direction)

• Froude Number
• Reynolds Number
• Weber Number
• Head Loss due to Friction
• Head Loss due to Friction (Darcy-Weisbach Formula)
• Chezy Velocity
• Chezy Coefficient

• Manning Flow Velocity
• Manning Flow Velocity using Pipe Diameter
• Flow Rate (Manning Formula)
• Head Loss due to Friction (Manning Formula)
• Pipe Diameter (Manning Formula)

• Mean Flow Velocity (Hazen-Williams)
• Mean Flow Velocity - Pipes Flowing Full (Hazen-Williams)
• Fluid Flow Rate (Hazen-Williams)
• Head Loss due to Friction (Hazen-Williams)
• Pipe Diameter (Hazen-Williams)

• Head Loss across a sudden enlargement of Pipe Diameter (Bernoulli Equation & Archer Equation)
• Head Loss due to Gradual Conical Enlargement
• Head Loss across a sudden contraction of Pipe
• Head Loss across a sudden contraction of Pipe (Brightmore Equation)
• Head Loss - Pipe Fittings

• Loss Coefficient
• Orifice Flow Rate
• Coefficient of Contraction
• Initial Velocity of Fluid Jets
• Gage Pressure at Tube Entrance (Conical Tubes)
• Velocity of Wave in a Pipe (Water Hammer)
• Internal Pressure in Pipe
• Stress on Pipe Material
• Section Factor
• Critical Depth of Flow - Open Channel Flow

• Force - Hydraulic Jump
• Rate of Change of Momentum - Hydraulic Jump
• Head Loss - Hydraulic Jump
• Stress on Pipe due to Temperature Change
• Movement in Length of Pipe due to Temperature Change
• Resultant Force on Bend in Pipe

• Elevation Difference between Headwater and Tailwater (Entrance and Exit Submerged)
• Velocity of Flow in Culvert (Entrance and Exit Submerged)
• Elevation Difference between Headwater and Tailwater (Entrance Submerged/Unsubmerged & Free Exit)
• Velocity of Flow in Culvert (Entrance Submerged/Unsubmerged & Free Exit)

• Flow Rate - Open Channel Flow
• Average Velocity - Rectangular Channels
• Critical Depth - Rectangular Channels
• Flow Rate - Rectangular Channels
• Discharge of Fluid per Unit Length - Rectangular Channels
• Minimum Specific Energy - Rectangular Channels

• Average Velocity - Triangular Channels
• Critical Depth - Triangular Channels
• Flow Rate - Triangular Channels

• Average Velocity - Parabolic Channels
• Critical Depth - Parabolic Channels
• Flow Rate - Parabolic Channels

• Average Velocity - Trapezoidal Channels
• Critical Depth - Trapezoidal Channels
• Flow Rate - Trapezoidal Channels
• Minimum Specific Energy - Trapezoidal Channels

• Area of Cross Section - Circular Channels
• Critical Depth - Circular Channels
• Top Width - Circular Channels
• Flow Rate - Circular Channels

• Flow Rate - Rectangular Weir
• Flow Rate - Triangular Weir (Notch Angle of 90 degrees)
• Flow Rate - Triangular Weir (Notch Angle of 60 degrees)
• Flow Rate - Triangular Weir (Notch Angle of 30 degrees)
• Flow Rate - Trapezoidal Weir
• Flow Rate - Broad Crested Weir

• Quantity of Sediment transported as Bed Load (Schoklitsch Formula)
• Evaporation Rate (Meyer Equation)
• Wind Factor
• Peak Discharge (Rational Formula)
• Rainfall Intensity (Steel Formula)

• Flow Rate - Groundwater (Darcy's Law)
• Fire Demand Rate
• Flow Rate - Gravity Well (Dupuit Formula)
• Flow Rate - Artesian Well
• Economic Pipe Diameter
• Flow Rate - Venturi Flow Meter
• Power obtained from Water Flow

iPhone Screenshots

(click to enlarge)

Waterworks Calculations screenshot 1 Waterworks Calculations screenshot 2 Waterworks Calculations screenshot 3 Waterworks Calculations screenshot 4 Waterworks Calculations screenshot 5

iPad Screenshots

(click to enlarge)

Waterworks Calculations screenshot 6 Waterworks Calculations screenshot 7 Waterworks Calculations screenshot 8 Waterworks Calculations screenshot 9 Waterworks Calculations screenshot 10

App Changes

  • July 20, 2016 Initial release
  • August 16, 2019 New version 2.0
  • August 28, 2019 New version 2.1
  • September 11, 2019 New version 2.2
  • October 02, 2019 New version 2.3
  • August 06, 2021 New version 3.2