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l
l
l
l
=
l
o
·(1+α·(t-t
o
))
l
=
l
o
·(1+α·Δt)
l
o
l
o
l
o
l
o
=
l/(1+α·(t-t
o
))
l
o
=
l/(1+α·Δt)
t
t
t
t
=
Δt+t
o
t
o
t
o
t
o
t
o
=
t-Δt
Δt
Δt
Δt
Δt
=
t-t
o
α
α
α
α
=
(l-l
o
)/(l
o
·(t-t
o
))
α
=
(l-l
o
)/(l
o
·Δt)
Linear thermal expansion: lengths, temperatures, coefficient
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→ Linear expansion coefficients
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