|
Energy flows in torso skin compartment after 45 minutes of RF exposure at 2450 MHz (350 W/m2). All energy flows expressed in watts. Positive numbers correspond to power deposited into skin compartment. |
|||||||||
| 24°C |
28°C |
31°C |
|||||||
|
|
|||||||||
| RF Exposure |
No RF |
difference |
RF Exposure |
No RF |
Difference |
RF Exposure |
No RF |
difference |
|
|
|
|||||||||
| RF power into torso skin compartment |
38.1 |
38.1 |
38.1 |
38.1 |
38.1 |
38.1 |
|||
| Metabolic heating in skin |
0.5 |
0.5 |
0.0 |
0.5 |
0.5 |
0.0 |
0.5 |
0.5 |
0.0 |
| Conducted into skin from fat |
20.7 |
37.6 |
-16.9 |
9.1 |
25.7 |
-16.6 |
9.8 |
15.9 |
-6.2 |
| Evaporative heat loss from skin |
-3.7 |
-3.8 |
0.0 |
-4.2 |
-3.8 |
0.0 |
-22.5 |
-7.6 |
-14.9 |
| Power loss by radiation and convective cooling |
-55.5 |
-36.1 |
-19.4 |
-43.3 |
-24.9 |
-18.4 |
-30.6 |
-18.4 |
-12.2 |
| Heat added to skin by blood flow |
1.7 |
1.8 |
-0.1 |
3.2 |
2.5 |
0.7 |
4.9 |
9.6 |
-4.7 |
| Net power into skin compartment* |
1.8 |
0.0 |
1.7 |
3.4 |
0.0 |
3.8 |
0.2 |
0.0 |
0.1 |
|
*Net of power flows. Numbers may not sum to zero because of heat storage in skin and rounding errors | |||||||||
Foster and Adair BioMedical Engineering OnLine 2004 3:4 doi:10.1186/1475-925X-3-4 |
|||||||||