Unrestrained Pipe Expansion Contraction Design Equations Formulas Calculator

Unrestrained Pipe Expansion Contraction Equations Formulas Design Calculator
Fluid Mechanics Hydraulics

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

Solving for coefficient of thermal expansion.

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:

Conversions:

pipe length change (ΔL)	=	=	inch
unrestrained pipe length (L_UR)	=	=	inch
temperature change in fahrenheit (ΔT)	=	=

Solution:

coefficient of thermal expansion (α)

HAS NOT BEEN CALCULATED

Other Units:

Change Equation
Select an equation 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.

stress due to temperature change of restrained or 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.