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Plan1 PROJETO - DIMENSIONAMENTO DE BOMBAS HIDRÁULICAS FLUÍDO ÁGUA Sucção (Le): Q(m³/s) Vs (m/s) Vd(m/s) TABELA FINAL MATERIAL AÇO CARBONO 3 Cotovelos 90° 0.0027777778 1.4147106053 2.2104853208 HbSistema (m) Hbomba (m) Q(m³/s) ɳ (%) ρ (kg/m³) 1000 0.0055555556 2.8294212106 4.4209706417 14.05571386 4.572 0.0027777778 38 µ (kg/m.s) 0.0009 Le/Dsint = 32 0.0083333333 4.2441318158 6.6314559625 34.79753409 4.4196 0.0055555556 52 g (m/s²) 10 Le = 32*Dsint 0.0111111111 5.6588424211 8.8419412833 68.58747867 4.1148 0.0083333333 60 Ds (m) 0.05 Le = 1,6 m 0.0138888889 7.0735530264 11.0524266042 116.488851 3.6576 0.0111111111 65 Dd (m) 0.04 3 Cotovelos = 3*Le = 4,8 m 0.0166666667 8.4882636317 13.262911925 178.0763296 3.048 0.0138888889 62 Ls (m) 20 0.0194444444 9.9029742369 15.4733972458 253.3499147 2.4384 0.0166666667 55 Ld (m) 50 2 Válvulas Abertas 342.3096061 1.524 0.0194444444 50 Ys (m) 15 Número de Reynolds (Nre) 44138971*Q Yd (m) 22 Le/Dsint = 7 CONCLUSÕES: Dsint=Ddint 3" sch. 40 = 3,068" = 0,078 m Le = 7*Dsint Q(m³/s) Nre fd A BOMBA NÃO POSSUI POTÊNCIA SUFICIENTE PARA ATINGIR Le = 0,35 m 0.0027777778 122608.2527777778 0.0325 A ALTURA MANOMÉTRICA REQUERIDA NO PROJETO, POR ISSO SUCÇÃO 3 COTOVELOS 90°/ 2 VÁLVULAS ABERTAS 2 Válvulas = 2*Le = 0,7 m 0.0055555556 245216.5055555556 0.032 RECOMENDAMOS UMA BOMBA DE MAIOR EFICIÊNCIA E POTÊNCIA DESCARGA 4 COTOVELOS 90° / 3 VÁLVULAS ABERTAS 0.0083333333 367824.7583333333 0.0315 ∑Le = 0,7 + 4,8 = 5,5 m 0.0111111111 490433.0111111112 0.0315 e/d 0.00058 0.0138888889 613041.2638888889 0.0315 Descarga (Le): 0.0166666667 735649.5166666666 0.0315 Q(m³/s) H(m) ɳ (%) 4 Cotovelos 90° 0.0194444444 858257.7694444444 0.0315 0.0027777778 4.572 38 0.0055555556 4.4196 52 Le/Ddint = 32 hLs = fd*(∑Les + Ls/ Dsint)*Vs²/2g 0.0083333333 4.1148 60 Le = 32*Ddint hLd = fd*(∑Led + Ld/ Ddint)*Vd²/2g 0.0111111111 3.6576 65 Le = 1,6 m 0.0138888889 3.048 62 4 Cotovelos = 4*Le = 6,4 m fd hLs (m) hLd (m) 0.0166666667 2.4384 55 0.0325 1.0632469889 5.8482249076 0.0194444444 1.524 50 3 Válvulas Abertas 0.032 4.1875573715 23.0330088669 0.0315 9.2747852721 51.0145157326 Hb = (P2-P1/pg) + (Vd²-Vs²/2g) + (Yd-Ys) + hLs + hLd Le/Ddint = 7 0.0315 16.4885071504 90.6924724135 Le = 7*Ddint 0.0315 25.7632924225 141.706988146 Como o tanque é aberto: P1 = P2 = Patm Le = 0,35 m 0.0315 37.0991410884 204.0580629303 Hb = (Vd²-Vs²/2g) + (Yd-Ys) + hLs + hLd 2 Válvulas = 2*Le = 1,05 m 0.0315 50.4960531481 277.7456967662 Vs = 4Q/π(Ds²) ∑Led = 1,05 + 6,4 = 7,45 m Hb = (Vd²-Vs²/2g) + (Yd-Ys) + hLs + hLd Vs = 509,2958179*Q Nre = Res = Red = ρ.V.Dint/µ Hb1 (m) 14.0557138593 Vd = 4Q/π(Dd²) Hb2 (m) 34.7975340898 Vd = 795,7747155*Q Hb3 (m) 68.5874786703 Hb4 (m) 116.4888509694 Hb5 (m) 178.0763296397 Hb6 (m) 253.3499146811 Hb7 (m) 342.3096060937 Plan2 PROJETO - DIMENSIONAMENTO DE BOMBAS HIDRÁULICAS FLUÍDO ÁGUA Sucção (Le): Q(m³/s) Vs (m/s) Vd(m/s) hLs = fds*(∑Les + Ls/ Ds)*Vs²/2g Hb = (Vd²-Vs²/2g) + (Yd-Ys) + hLs + hLd MATERIAL AÇO CARBONO 3 Cotovelos 90° 0.0027777778 1.4147106053 2.2104853208 hLd = fdd*(∑Led + Ld/ Dd)*Vd²/2g ρ (kg/m³) 1000 0.0055555556 2.8294212106 4.4209706417 Hb1 (m) 15.0741479195 µ (kg/m.s) 0.0009 Le/Ds = 32 0.0083333333 4.2441318158 6.6314559625 fds hLs (m) Hb2 (m) 37.7425717691 g (m/s²) 10 Le = 32*Ds 0.0111111111 5.6588424211 8.8419412833 0.0215 0.8724379351 Hb3 (m) 75.2692597886 Ds (m) 0.05 Le = 1,6 m 0.0138888889 7.0735530264 11.0524266042 0.021 3.4085947233 Hb4 (m) 125.7829502443 Dd (m) 0.04 3 Cotovelos = 3*Le = 4,8 m 0.0166666667 8.4882636317 13.262911925 0.0208 7.5962968118 Hb5 (m) 190.8612350351 Ls (m) 20 0.0194444444 9.9029742369 15.4733972458 0.0206 13.374676438 Hb6 (m) 269.2587188513 Ld (m) 50 2 Válvulas Abertas 0.0204 20.6950393913 Hb7 (m) 360.5584917599 Ys (m) 15 Nres1 78595.0336328308 0.0202 29.5086914614 Yd (m) 22 Le/Ds = 7 Nres2 157190.0672656616 0.02 39.7669384381 Le = 7*Ds Nres3 235785.1008984924 SUCÇÃO 3 COTOVELOS 90°/ 2 VÁLVULAS ABERTAS Le = 0,35 m Nres4 314380.1345313233 fdd hLd (m) DESCARGA 4 COTOVELOS 90° / 3 VÁLVULAS ABERTAS 2 Válvulas = 2*Le = 0,7 m Nres5 392975.168164154 0.023 7.0574680215 Nres6 471570.2017969848 0.0218 26.7570091945 e/Ds 0.0009 ∑Les = 0,7 + 4,8 = 5,5 m Nres7 550165.2354298157 0.0215 59.3747853112 e/Dd 0.00125 0.021 103.1004024008 Descarga (Le): Nred1 98243.7920272127 0.0208 159.5601465726 Q(m³/s) H(m) ɳ (%) 4 Cotovelos 90° Nred2 196487.5840544253 0.0206 227.5573167274 0.0027777778 4.572 38 Nred3 294731.3760816379 0.0204 306.7236971423 0.0055555556 4.4196 52 Le/Dd = 32 Nred4 392975.1681088507 0.0083333333 4.1148 60 Le = 32*Dd Nred5 491218.9601360632 0.0111111111 3.6576 65 Le = 1,28 m Nred6 589462.7521632758 0.0138888889 3.048 62 4 Cotovelos = 4*Le = 5,12 m Nred7 687706.5441904885 0.0166666667 2.4384 55 0.0194444444 1.524 50 3 Válvulas Abertas Q(m³/s) Nres Nred fds fdd 0.0027777778 78595.0336328308 98243.7920272127 0.0215 0.023 Hb = (P2-P1/pg) + (Vd²-Vs²/2g) + (Yd-Ys) + hLs + hLd Le/Dd = 7 0.0055555556 157190.0672656616 196487.5840544253 0.021 0.0218 Le = 7*Dd 0.0083333333 235785.1008984924 294731.3760816379 0.0208 0.0215 Como o tanque é aberto: P1 = P2 = Patm Le = 0,28 m 0.0111111111 314380.1345313233 392975.1681088507 0.0206 0.021 Hb = (Vd²-Vs²/2g) + (Yd-Ys) + hLs + hLd 3 Válvulas = 3*Le = 0,84 m 0.0138888889 392975.168164154 491218.9601360632 0.0204 0.0208 0.0166666667 471570.2017969848 589462.7521632758 0.0202 0.0206 Vs = 4Q/π(Ds²) ∑Led = 5,12 + 0,84 = 5,96 m 0.0194444444 550165.2354298157 687706.5441904885 0.02 0.0204 Vs = 509,2958179*Q Nre =ρ.V.D/µ Vd = 4Q/π(Dd²) Nres = 1000*Vs*0,05/0,0009 Vd = 795,7747155*Q Nres = 55555,55556*Vs Nred = 1000*Vd*0,04/0,0009 Nred = 44444,44444*Vd Plan3 104 2 52 156 3 156 208 4 260 5 0
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