# Unrestrained Pipe Expansion Contraction Design Calculator

## Fluid Mechanics Hydraulics Formulas Equations

Equations are for unrestrained change in pipe length due to change in temperature.

Solving for pipe length change.
thermal expansion coefficients (α)
 ABS pipe (Acrylonitrile Butadiene Styrene) 5.5 x 10-5 Aluminum Pipe 1.3 x 10-5 Ductile Iron Pipe 5.8 x 10-6 HDPE Pipe (High density polyethylene) 1.2 x 10-4 PVC Pipe (Polyvinyl Chloride) 3.0 x 10-5 Steel Pipe 6.5 x 10-6

#### Inputs:

 unrestrained pipe length (LUR) meterangstromattometercentimeterchaindekameterdecimeterexameterfemtometerfootgigameterhectometerinchkilometerlight yearlinkmegametermicrometermicronmilemillimeternanometerparsecpetameterpicometerrodterameteryard
 coefficient of thermal expansion (α) inch/inch/fahrenheit
 temperature change in fahrenheit (ΔT)

#### Conversions:

 unrestrained pipe length (LUR)= 0 = 0inch
 coefficient of thermal expansion (α)= 0 = 0inch/inch/fahrenheit
 temperature change in fahrenheit (ΔT)= 0 = 0

#### Solution:

 pipe length change (ΔL)= NOT CALCULATED

#### Other Units:

Change Equation
Select to solve for a different unknown
pipe expansion and contraction
 Solve for pipe length change due to temperature change. Solve for unrestrained pipe length. Solve for coefficient of thermal expansion. Solve for temperature change.
temperature change stress of restrained/anchored pipe
 Solve for temperature change stress. Solve for short term modulus of elasticity. Solve for coefficient of thermal expansion. Solve for temperature change.

References - Books:
National Resources Conservation Service. National Engineering Handbook. 1995. United States Department of Agriculture.

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By Jimmy Raymond

Contact: aj@ajdesigner.com