Figure 3.
The experimental set-up to determine the applicator efficiency. (a) Power was applied for 10 min to the saline water bag which causes a temperature increase (ΔTMW), after turning off power the temperature decline due to conductive heat transport was measured for 10 min (ΔTcon) to arrive at an estimate for the heat loss to the environment during heating (Equation (2)). (b) The heat transport during the heat up phase and (c) cool down phase is depicted with black arrows.