1、風管阻力計算 Sic Loss CalculationMAF-B4-05總壓降：274.9 Pax 1.1=302 PaPage 1 of 32014-10-20空氣密度1.2 kg/m3空氣黏度 1.985E-05 kg/m.s風量(m3/hr)風管尺寸資料W x H (mm)風速動壓 雷諾數(m/s)(Pa)(x10-4 )系數壓降(Pa)參考數據ASHRAE / 設計手冊1.雙層百葉風口1,300400 x 400有效面積不帶調節閥葉片角度 45通流率： 80.0%0.13m22.84.80.80 in WGPs = 1.0002.4Catalogue產品樣本2.直風管1,300250

2、x 25014.9m內壁粗糙度 0.1mm5.820.08.71.63 pa/m24.3DArcy & Corook Formula3.風機進口進口1,300250 x 250變徑長度出口470 x 305500mm5.820.02.53.8C = 0.2685.4F81:4-2表D-24.變徑進口1,300288 x 288變徑長度出口250 x 250500mm4.411.45.820.0C = 0.2635.3Idelchik 19865.電動調節閥1,300250 x 2501 no.開度 90%250 x 150 x 2 blades5.820.0C = 0.95219.1F81:7

3、-6表G-76.防火閥1,300250 x 2501 no.開度 100%250 x 150 x 2 blades5.820.0C = 0.52010.4F81:7-7表G-67.彎頭導流片1,300250 x 2502 no.90 r=1885.820.08.7KRe = 1.4C0 = 0.440K = 1.00023.8F81:3-5表C-38.45分流T型直出口 20,8001,600 x 6301 no.三通 (支管)支出口 1,300250 x 250總進口 22,1001,600 x 6305.719.75.820.06.122.3C = 0.77917.3F81:6-27表F-

4、129.直風管22,1001,600 x 6301.2m內壁粗糙度 0.1mm6.122.333.30.38 pa/m0.5DArcy & Corook Formula10.彎頭導流片22,1001,600 x 6301 no.45 r=12006.122.333.3KRe = 1.0C0 = 0.541K = 0.6007.2F81:3-5表C-311.45分流T型直出口 22,1001,600 x 6301 no.三通 (直管)支出口 1,100250 x 250不帶閥門總進口 23,2001,600 x 6306.122.34.914.36.424.5C = 0.0050.1F81:6-

5、27 & 6-8表F-12 & F-512.直風管23,2001,600 x 6302.8m內壁粗糙度 0.1mm6.424.534.90.41 pa/m1.2DArcy & Corook Formula13.防火閥23,2001,600 x 6301 no.開度 100%1600 x 150 x 5 blades6.424.5C = 0.52012.8F81:7-7表G-6風管阻力計算 Sic Loss CalculationMAF-B4-05總壓降：274.9 Pax 1.1=302 PaPage 2 of 32014-10-20空氣密度1.2 kg/m3空氣黏度 1.985E-05 kg

6、/m.s風量(m3/hr)風管尺寸資料W x H (mm)風速動壓 雷諾數(m/s)(Pa)(x10-4 )系數壓降(Pa)參考數據ASHRAE / 設計手冊14.彎頭導流片23,2001,600 x 6302 no.3 片90 r=12006.424.534.9KRe = 1.0C0 = 0.024K = 1.0001.2F81:3-7.c表C-315.直風管23,2001,600 x 6304.3m內壁粗糙度 0.1mm6.424.534.90.41 pa/m1.8DArcy & Corook Formula16.45分流T型直出口 23,2001,600 x 6301 no.三通 (直管

7、)支出口 1,000320 x 250不帶閥門總進口 24,2001,600 x 6306.424.53.57.26.726.7C = 0.0040.1F81:6-27 & 6-8表F-12 & F-517.直風管24,2001,600 x 63013.2m內壁粗糙度 0.1mm6.726.736.40.45 pa/m5.9DArcy & Corook Formula18.45分流T型直出口 52,0002,500 x 10001 no.三通 (支管)支出口 24,2001,600 x 630總進口 76,2002,500 x 10005.820.06.726.78.543.0C = 0.75

8、732.5F81:6-27表F-1219.防火閥76,2002,500 x 10001 no.開度 100%2500 x 150 x 8 blades8.543.0C = 0.52022.4F81:7-7表G-620.直風管76,2001,000 x 25004.3m內壁粗糙度 0.1mm8.543.073.10.40 pa/m1.7DArcy & Corook Formula21.變徑進口 76,2001,000 x 2500變徑長度出口1,600 x 1600500mm8.543.08.341.0C = 0.31813.7F81:4-2表D-222.彎頭導流片76,2001,600 x 1

9、6001 no.3 片90 r=12008.341.080.0KRe = 1.0C0 = 0.020K = 1.0000.8F81:3-7.c表C-323.防火閥76,2001,600 x 16001 no.開度 100%1600 x 150 x 13 blades8.341.0C = 0.52021.3F81:7-7表G-624.變徑進口 76,2001,600 x 1600變徑長度突擴出口8,000 x 1300500mm8.341.02.02.5C = 0.63426.0F81:4-2表D-225.彎頭導流片76,2008,000 x 13001 no.90 r=60002.02.527

10、.5KRe = 1.0C0 = 0.570K = 1.0001.4F81:3-5表C-326.直風管76,2008,000 x 13004.7m土建風道內壁粗糙度 3.0mm2.02.527.50.02 pa/m0.1DArcy & Corook Formula風管阻力計算 Sic Loss CalculationMAF-B4-05總壓降：274.9 Pax 1.1=302 PaPage 3 of 32014-10-20空氣密度1.2 kg/m3空氣黏度 1.985E-05 kg/m.s風量(m3/hr)風管尺寸資料W x H (mm)風速動壓 雷諾數(m/s)(Pa)(x10-4 )系數壓降

11、(Pa)參考數據ASHRAE / 設計手冊27.45分流T型直出口 76,2008,000 x 13001 no.三通 (直管)支出口 46,6002,000 x 1250不帶閥門總進口 122,8008,000 x 13002.02.55.216.13.36.5C = 0.0560.4F81:6-27 & 6-8表F-12 & F-528.45分流T型直出口 76,2008,000 x 13001 no.三通 (直管)支出口 36,0002,000 x 600不帶閥門總進口 112,2008,000 x 13002.02.58.341.73.05.4C = 0.0440.2F81:6-27 & 6-8表F-12 & F-529.45分流T型直出口 76,2008,000 x 13001 no.三通 (直管)支出口 2,400不帶閥門總進口 78,6008,000 x 13002.02.5 # # 2.1 2.6C = 0.0030.0F81:6-27 & 6-8表F-12 & F-530.直風管161,2008,000 x 130017.2m土建風道內壁粗糙度 3.0mm4.311.158.20.11 pa/m1.8DArcy & Corook Formula31