Gold Coils  8 AWG Round Coil Calculation Temperature Summary at 12  13  14  15  16 Amps 
Input Parameters: 
Ambient Resistance11.99852 =  0.200 
Coil Temp at Start =  20.000 deg C 
Ambient Temp at End = 20.000 deg C 
Conductor Cross Section Area  8.367  mm^2 
Coil Parameters H W and L:  15.000  152.000  365.000  mm 
Surface Area = 0.12647 m^2 
Air Velocity =  0.00 m/s (0.1 slow moving, 0.15 draft, 0.5 for normal AC, 1.0 max in undulator hall)  
Emissivity =   0.4 (0.4 is typical for epoxy coil, blackbody = 1, Copper = 0.1, Aluminum oxide = 0.4, Enamel = 0.9) 
Eddy Current Power =  0.000 Watts 

Convective Heat Transfer Coefficient = 12.120  W/m2K 

Output Calculations: 
 Current    Current/Area  Final Coil Temp  Delta Temp  Ambient Temp  Coil Power  Resistance   Radiative Power   Convective Power   Total Output Power   Temp Rise per Sec
  (Amps)     (Amps/mm^2)        (C)            (C)         (C)        (Watts)     (Ohms)          (Watts)            (Watts)            (Watts)            (deg C/sec)  
   12.00         1.43          36.61          16.61       20.00        30.68       0.213            5.22             25.46               30.68                0.010 
   13.00         1.55          39.66          19.66       20.00        36.41       0.215            6.28             30.13               36.41                0.012 
   14.00         1.67          43.01          23.01       20.00        42.74       0.218            7.48             35.27               42.75                0.014 
   15.00         1.79          46.68          26.68       20.00        49.72       0.221            8.83             40.89               49.72                0.016 
   16.00         1.91          50.67          30.67       20.00        57.37       0.224           10.36             47.02               57.37                0.018