熱傳導公式 –Heat conduction equation: Q=-KAx (dɵ/dx)

–Q: Heat  熱量  /  K:Conductivity  傳導係數

–A:Cross-sectional area  截面積  /  –dɵ/dx: Temperature gradient  溫度梯度

*截面積越小,熱損失越少!

–*–Lower cross-sectional area, lower loss of heat.

–Ex.

–Ø 60 x 50 mm the cross-sectional area is 864 mm²

–Ø 60 x 48 mm the cross-sectional area is 1018 mm²

–[(1018-864)/1018]x100%=15%

–*Ø 60 x 50 mm比Ø 60 x 48 mm節省能源15%.

–*Ø 60 x 50 mm can save energy than Ø 60 x 48 mm 15%.

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