ENVIRONMENTAL ENGINEER’S MATHEMATICS HANDBOOK - CHAPTER 9 docx

... 0 .93 25 0.2 8 0 .99 79 0.2 13 0 .99 99 0.2 19 0 .99 99 0.2 45 0 .99 99 η 1–exp(–kd ) p = 0.5 1 – exp[–K(0 .9) ]= K 0.77= η 1–exp[(–0.77)(3.5)]= = 0 .93 25 ηηw ii = Σ =++(0.2)(0 .93 25) (0.2)(0 .99 79) (0.2)(0 .99 999 ) ... (0.2)(0 .99 999 ) (0.2)(0 .99 99) (0.2)(0 .99 99) ++ = 0 .98 61 = 98 .61% Outlet loading (1.0 )(inlet loading)= −η L1681_book.fm Page 235 Tuesday, October 5, 2004 10...

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... Volume Calculations 597 17.7 .9. 1 Retention Basins — Water Quality Volume 597 17.7 .9. 2 Extended-Detention Basins — Water Quality Volume and Orifice Design 598 17.7 .9. 3 Extended-Detention Basins — ... by CRC Press LLC 9. 2.2 Equivalent Diameter 2 09 9.2.3 Sedimentation Diameter 2 09 9.2.4 Cut Diameter 210 9. 2.5 Dynamic Shape Factor 210 9. 3 Flow Regime of Particle Motion 210 9....

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... 21,120 ft×= 21,120 ft 2.31 ft/psi 91 43 psi= L1681_book.fm Page 69 Tuesday, October 5, 2004 10:51 AM © 2005 by CRC Press LLC 34 ENVIRONMENTAL ENGINEER’S MATHEMATICS HANDBOOK In a series of divisions, ... Page 65 Tuesday, October 5, 2004 10:51 AM © 2005 by CRC Press LLC 44 ENVIRONMENTAL ENGINEER’S MATHEMATICS HANDBOOK • Cross-multiplying solves ratio problems; that is, we...

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... converting milligrams per cubic meter (mg/m 3 ) — a weight-per-volume-ratio — into a volume-per-unit weight ratio is necessary. If 1 g-mol of an ideal gas at 25°C occupies 24.45 L is an understood ... CRC Press LLC 152 ENVIRONMENTAL ENGINEER’S MATHEMATICS HANDBOOK Controlling environmental air pollution begins with understanding what this pollution is. We define environment...

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... A.M. ( 199 5). Evaluation of eleven equations for determining evaporation for a small lake in the north central United States, Water Resources Res ., 31(4), 98 3 99 3. PET, cm/day [SVP/0 .95 SVP ... × = = 1/3[6823] 2274 acre-ft D L A) L = 2 π D 8.60 miles 0. 796 9 sq. mi L = ×2314. 8.60 mi 3.16 = 2.72 D V A = 2274 acre-ft 510 acres = 4.46 ft L1681_book.fm Page 3 09 Tuesday, October 5...

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... (excluding right-of-way 98 98 98 98 Paved; open ditches (including right-of-way) 83 89 92 93 Gravel (including right-of-way) 76 85 89 91 Dirt (including right-of-way) 72 82 87 89 Urban districts: Commercial ... 39 61 74 80 Impervious areas: Paved parking lots, roofs, driveways, etc. (excluding right-of-way), streets and roads: 98 98 98 98 Paved; curbs and storm sewers (exclud...

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... (0.821 L-atm/mol-K or 8.31 L-kPa/mol-K) T is temperature Therefore, rearranged: PP P Total Water Hydrogen =+ 102.4 kPa 3.17 kPa P Hydrogen =+ P 99 .23 kPa or pp.2 kPa Hydrogen = PV nRT= 99 .2 kPa .250 ... P Hydrogen =+ P 99 .23 kPa or pp.2 kPa Hydrogen = PV nRT= 99 .2 kPa .250 L n 8.31 L-kPa/mol 29 =× ×88K n 99 .2 kPa .250 L/8.31 L-kPa/mol-K/ 298 =× KK n .0100 mol or 1.00 10 mol H –2 =×...

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... for all of them (e.g., L1681_book.fm Page 89 Tuesday, October 5, 2004 10:51 AM © 2005 by CRC Press LLC 90 ENVIRONMENTAL ENGINEER’S MATHEMATICS HANDBOOK traveling salesman problem). Finally, ... of the CTDMPLUS model. L1681_book.fm Page 91 Tuesday, October 5, 2004 10:51 AM © 2005 by CRC Press LLC 88 ENVIRONMENTAL ENGINEER’S MATHEMATICS HANDBOOK The problem — that of...

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... 1 .94 130 61.5 1 .91 40 62.4 1 .94 140 61.4 1 .91 50 62.4 1 .94 150 61.2 1 .90 60 62.4 1 .94 160 61.0 1 .90 70 62.3 1 .94 170 60.8 1. 89 80 62.2 1 .93 180 60.6 1.88 90 62.1 1 .93 190 60.4 1.88 100 62.0 1 .93 ... LLC 118 ENVIRONMENTAL ENGINEER’S MATHEMATICS HANDBOOK • Polymerization is a combination reaction in which small organic molecules are linked together to form long chains...

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... 0.25 10.5 0.5 0.25 10.1 0.1 0.01 9. 9 –0.1 0.01 10.6 0.6 0.36 9. 5 –0.5 0.25 11.5 1.5 2.25 9. 5 –0.5 0.25 10.0 0 0 9. 4 –0.6 0.36 3 .99 +3s+2s+sM−s−2s−3s 95 .46% 68.26% 99 .74% s = − − ∑ (X X)2 n1 X X ... 180 Test 4 2133 Test 5 69 Test 6 96 Test 7 19 Test 8 44 Log Test 1 20 1.30103 Test 2 1 0.00000 Test 3 180 2.25527 Test 4 2133 3.32 899 Test 5 69 1.83884 Test 6 96 1 .98 2...

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