... parallel, black, opaque plates transfer heat byradiation, as shown in Fig. 1. 18. Find T2. 1. 15 Four infinite, parallel, black, opaque plates transfer heat byradiation, as shown in Fig. 1. 19. ... electrical resistance heater,releasing 10 00 W/m2. Calculate (a) the heater temperature, (b)the heat transfer from the methanol to the heater, and (c) the heat transfer from the heater to the air. 1. 34 ... issued as class notes at the University of California atBerkeley between 19 32 and 19 41. [1. 3] M. Jakob. Heat Transfer. John Wiley & Sons, New York, 19 49. [1. 4] W. H. McAdams. Heat Transmission....