Continuous flow calorimetry
A method for measuring specific heat capacity or latent heat by passing a fluid (liquid or gas) continuously through a heating element and measuring the temperature change. Power input P = mcΔT/Δt allows determination of specific heat capacity c.
Formula
P = ṁcΔT
Real World
Industrial food manufacturers use continuous flow calorimetry principles when designing pasteurisation rigs, calculating exactly how much electrical power is needed to raise milk temperature by a set amount at a fixed flow rate.
Exam Focus
In 'describe the method' questions, state that two sets of readings at different power levels eliminate heat loss errors — this distinction earns the top marks.
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