Calculation of Conversion from Rectangle-duct to Circle-duct with same friction resistance

Calculation of Conversion from Rectangle-duct to Circle-duct with same friction resistance

1Long side of rectangle duct：am-
2Short side of rectangle duct：bm-
3GraphPlot Input Data： , Figure：
4Number of gridlines of Graph x-axis, y-axis -
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Keyword･Reference･Remarks･History

LaTex

Keyword

Conversion from Rectangle-duct to Circle-duct with same friction resistance,Long side of rectangle duct,Short side of rectangle duct

Reference

[1]：社団法人公共建築協会・社団法人全国建設研修センター：『建築設備設計基準　平成14年版』,pp.416-417.

Remarks

・Equivalent Diameter：de(m)
・Long side of rectangle duct：a(m)
・Short side of rectangle duct：b(m)
・Making Equation Image is powered by CODECOGS

History

・2011/03/07：Upload

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