Mathcad - Eje2 Guia
1
ϕ 0.05 := r ϕ 2 0.025 = := A 4 π ⋅ r 2 ⋅ 7.854 10 3 - × = := h 15 := ε 0.8 := Tp 70 273.15 + 343.15 = := Tinf 20 273.15 + 293.15 = := σ 5.67 10 8 - ⋅ := Qh hA ⋅ Tp Tinf - ( ) ⋅ 5.89 = := W Qσ σε ⋅ A ⋅ Tp 4 Tinf 4 - ( 29 ⋅ 2.309 = := W Qt Qh Qσ + 8.199 = := W
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Transcript of Mathcad - Eje2 Guia
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0.05:= r 2
0.025=:=A 4 pi r2 7.854 10 3=:=
h 15:= 0.8:= Tp 70 273.15+ 343.15=:=
Tinf 20 273.15+ 293.15=:= 5.67 10 8:=
Qh h A Tp Tinf( ) 5.89=:= W
Q A Tp4 Tinf 4( ) 2.309=:= WQt Qh Q+ 8.199=:= W
