FRNC 遇到的问题? 在BEAM length 选项中有Free refractory to equivalent cold plane area ratio: 帮助文件中 Enter the value for the free refractory area to equivalent cold plane area ratio. Only for radiant and shock coils. It is used to calculate the overall exchange factor for radiation calculations. This is found by subtracting the sum of all the equivalent cold plane areas that the radiating combustion gas 搒ees?from the refractory area, and then dividing by the sum of all these equivalent cold plane areas. Free refractory area is refractory not blocked by any equivalent cold plane ([alpha]*Acp) that radiates to the coil. The equivalent cold plane area is the ([alpha]*Acp) of the coil. For shock coils in the convection section, [alpha] is normally equal to 1. 请问有没有用过这个选项的朋友介绍一下,这个选项的功能以及用法查看更多4个回答 . 4人已关注