Injection rate is the most relevant perturbing effect detected in the Therm
oMetric TAM 2277-204 injection calorimeter. In other studies about this sub
ject, several phenomenological expressions can be found. In this work, the
connection between sensitivity and heat capacity C = rho c(p)v (rho density
, c(p) specific heat and v volume) and injection rate will be proved by phy
sical models, using experimental values of the sensitivity, obtained from J
oule effects. Sensitivity decreases when the injection rates and/or the spe
cific heat of the liquids increase. (C) 2000 Elsevier Science B.V. All righ
ts reserved.