☞ 면적이 [eqn: lambda _{2} `:` lambda _{3} `=`1`:`2] 인 경우

[eqn: R _{2} = {d} over {lambda _{2} TIMES {1} over {3} A} = {3`d} over {lambda _{2} BULLET A}]

[eqn: R _{3} = {d} over {lambda _{3} TIMES {2} over {3} A} = {3`d} over {2 lambda _{3} BULLET A}]

[eqn: R _{2+3} = {R _{2} `R _{3}} over {R _{2} +R _{3}}][eqn: = {{3`d} over {lambda _{2} `A} TIMES {3`d} over {2 lambda _{3} `A}} over {{3`d} over {lambda _{2} A} + {3`d} over {2 lambda _{3} A}}][eqn: =] [eqn: {{9`d ^{2}} over {2 lambda _{2} lambda _{3} A ^{2}}} over {{3d LEFT ( lambda _{2} +2 lambda _{3} RIGHT )} over {2 lambda _{2} lambda _{3} A}}]

[eqn: = {3`d} over {LEFT ( lambda _{2} +2 lambda _{3} RIGHT ) A}]  [eqn: LEFT [ m ^{2} K/W RIGHT ]]

[eqn: =][eqn: {3 TIMES 0.5} over {LEFT ( 10+2 TIMES 5 RIGHT ) TIMES 1}]

[eqn: =0.075` LEFT [ m ^{2} K/W RIGHT ]]