Last Updated：2025/11/23
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To improve the building's energy efficiency, the architect requested materials with a lower k-value for insulation.
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To improve the building's energy efficiency, the architect requested materials with a lower k-value for insulation.
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Related words
k-value
Noun
thermal
conductivity;
the
time
of
rate
of
heat
flow
through
a
unit
area
of
a
homogeneous
material
in
a
direction
perpendicular
to
isothermal
planes
induced
by
a
unit
temperature
gradient.
In
English
(inch-pound)
units
of
measurement;
it
is
the
number
of
BTUs
that
pass
through
a
1
inch
thickness
of
a
square
foot
sample
of
material
in
1
hour
with
a
temperature
difference
between
the
two
surfaces
of
1
degree
F.
Japanese Meaning
熱伝導率。単位面積あたりの材料を通して、温度勾配により伝わる熱の流れを示す値。具体的には、1時間に1°Fの温度差によって1平方フィートの試料の1インチ厚さを通るBTU数として表される。
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