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American Tunnel Bypass ,e Calculations Page 2 February 28, 1994 <br /> Solution to Bernoulli equation: <br /> 2 vs <br /> P + v' + Z, + hA = (k- <br /> + ? + ZZ + hE + hf <br /> P 2g. P 2g. <br /> 312 + 50.296 + 0 + 0 = <br /> 62.4 2(32.2)D4 <br /> 0 + 50.296 + 0 + 0 + 1.78(50.296) + 0.04(50)50.296 <br /> 62.4 2(32.2)D4 2(32.2)D4 2D5(32.2) <br /> 5ft = 1.3902 + 1.5620 <br /> D4 DS <br /> 0 = 5Ds - 1.3902D - 1.5620 <br /> D = 0.8905 ft (10.686 in) <br /> Calculate "f" (Moody friction factor) based on associated Reynolds number (Npn) <br /> Nn = D`v u = kinematic viscosity = 1.410E-5 ft2 /sec <br /> u <br /> 7.092 <br /> v = A = DZ <br /> N = D,v = D.(7.092) _ 7.092 _ 7.092 = 5.648 x 10' <br /> RE u De Diu (0.8905)(1.410E-5) <br /> E = 0.0002 p 3-20, Table 3.8 <br /> E = 0.0002 = 0.000225 <br /> D. 0.8905 <br /> f = 0.017 p3-21 <br /> 0 = 5D.5 - 1.3902D, - 0.6638 <br /> D, = 0.8149 ft (9.779 in) <br /> Use 12-inch nominal diameter Schedule 40 Standard Weight 316 Stainless Steel pipe with <br /> 12.000 ID and 12.750 OD to provide required low-head flow rate. <br />