| Name | Expression | Value | Description |
| l_tube | 20 [um] | 2E−5m | the length of the tube |
| l_water | 200 [um] | 2E−4m | the length of water |
| l_air | 200 [um] | 2E−5m | the length of air |
| dT | 5 [K] | 5 K | change in temperature |
| l_EC | 200 [um] | 2E−4m | the length of EC material |
| thermal conductivity | 0.12 [W/m*K] | 0.12 [W/m*K] | thermal conductivity of EC |