1143 / 1542
Calorimetric standard
core = water
- D
w,Co
= c
w
·
T
water
·1/(1-h) ·
c
i
- c
w
= specific heat capacity of water = 4181 Jkg
-1
ºC
-1
(1 cal kg
-1
ºC
-1
)
- h = thermal defect: part of absorbed energy not leading to
T
water
(chemical reactions, heat leakage, ..)
-
c
i
= other “technical” factors derived from measurements
or calculations
thermistor
:
R/R = 0.0009% / Gy
T
water
0.00024 ºC / Gy
thermistor
:
R/R
3.7% / ºC
- D
c,Co
= k·
T
core