Tracce svolte Costruzioni idrauliche

Traccia 05/11/2022

• L = 4600 m
• D_int = 200 mm D_e = 219.1 mm s = 4 mm
• H_A = 145 m s.l.m. - ΔH = 105 m
• H_B = 40 m s.l.m.
• ΔH_m = x²Q
• L = 300 m²/s²

Q_C = 0.008 m³/s

Q_DE = 0.0065 m³/s

Q_E = 0.05 m³/s

• L_AC = 900 m
• L_CD = 1200 m
• L_DE = 1300 m
• L_V = 650 m
• L_B = 350 m

nel funzionamento II Q_B = 1.1 Q_B, devo calcolare il diametro del raddoppio in CD

Q_AC = Q_B + Q_DE - Q_E + Q_C = Q_B + 0.0045

D_i = 0.2731 m

H_A - H_C = (Q_B + 0.0045)² 900 D_C^5/26

Q_CD = Q_B - Q_E + q_de = Q_B - 0.0035

H_C - H_D = (Q_E - 0.0025)² 1200 D_5/26

Q_cm = Q_DE - Q_E + ^q_DE⁄_√3 = Q_B - 0.00624722325

H_D - H_E = (Q_B - 0.00624722325)² 1300 D_5/26 D_i

HE = HV - β QB

ΔHV = 300 QB

HV = HB β QB

IQS = 0.012 ( (QB + 0.005)² · 800 + (QB - 0.035)² · 2200 + (QB -

0.00624723125) · 1300 + 1000 QB² ) + 300 QB²

QB = 0.1075751 m³/s

QA_C = 0.180251 m³/s

QC_D = 0.072251 m³/s

Qcon = 0.0650377675 m³/s

HC = 120.333 m

HD = 53.270 m

HE = 66.333 m

HV = 50.335 m

ΔHV = 1.724 m

HB = 38.099 ∼ 40 m OK

QB = 1.1 QB cioè: QB = 0.0833261 m³/s

QAC - QB + 0.004 s = 0.0878261 m³/s

HA AC = 0.0042 ( 0.0878261² 800 )

HV - HV = 0.0042 ( 0.0833261² 350

ΔHV = 300 (0.0833261)² = 2.082 m

HV = 52.505 m

HE - HV = 0.0042 (0.0833261)² 650 HE = 71.862 m

HD - HE = 0.0042 (0.0878261)² 1300 HD = 104.988 m

L = 6000 m

D_N1 = 250 mm (DE = 263 mm S = 6,3 mm)

HA = 184 m

HB = 116 m

D_N2 = 150 mm (DE = 168,3 mm S = 4,3 mm)

λ = 0,8

Q_B = 1,25 Q_B

L_ac = 2400 m

L_co = 900 m

L_dr = 1000 m

L_pb = 1700 m

Q_ed = 0,0194 m³/s

Q_o = 0,024 m³/s

Diz₁ = 0,2604 m

P = ?

Calcolo la portata di deflusso in assenza delle pompe:

Q_ac - Q_e + Q_p + Q_D = Q_B + 0,036

QA - HC - β [ (QB+ 1036) / 2400 ] = 0

HC - HB = Q_DCD² / (3,24 D_I) - D

HD - H_O = β Q_D² / (90 D_II)

Q_ac = Q_su + Q_az / 3 - D

Q_su = Q_{er cd} / I + Q_O1 / 3

*

Q_O = Q_er / DI + Q_B + Q_o

Traccia 07/12/2024

l = 4700 m

D_IN = 250 mm (D_RE = 273 mm S = 6.3 mm)

H_A = 324 m

H_B = 252 m

Δh_AB = 72 m

Q_C = 0.025 m³/s

Q_D = 0.020 m³/s

Q_DE = 0.012 m³/s

Q_E = 0.011 m³/s

L_AC = 1000 m

L_CD = 2500 m

L_DE = 3200 m

L_EV = 700 m

L_VB = 300 m

ΔH_V = -280 P_B - 530 Q_B²

Q_B = 1.12 Q_B -> D₂ = 0 ?

H_A - H_C = β (Q_BC + 0.036)² 1000

Q_AC = Q_B + Q_D - Q_DE + Q_C - Q_E

Q_AC - Q_B + 0.036

Q_BQ = Q_B + Q_DE - Q_E + Q_D = Q_B + 0.0125 4700 538

1/3 B²

ΔC - H_BC = β (Q_B + 0.0254700 538) 1500

Q_E 0460.516

HA = 288 m

Ac = 267.973 m

Hb = 260.821 m

He = 250.218 m

He = 263.552 m

Hf = 235.525

Hp = 241.098 m

Ho = 249.638 m

H8 = 238.899 = 240 m OK!

M = .017 + 37 (0.10025)² - 30 (0.00615)²

h = 0.754720325

P = 9810.14.098.0.10025 / 0.754720325 = y.∆H·Qb .39.45 kW

Traccia di esame

Qc = 25 l/s - 0,025 m³/s

Qd = 50 l/s - 0,050 m³/s

Qeb = 40 l/s - 0,040 m³/s Verifica + dimensionamento

Di = 1,0_{___} m

Di₁ = 0,20_{___} m

HA - HC = β (QB + 0,052 / 5,26)² * 1500

HC - HD = β (QB + 0,027 / 5,26)² * 800

HD - HE = β (QB + 0,014 / 5,26)² * 1300

QDE = QB + 0,014

HE - HO = β (QEB / 5,26)² * 900

QEB = QB + 0,014 / √3

QEB = QB + 0,0088200874

QAC = QC + QD + QB + QEB

QAC = QB + 0,052

QCD = QCD₁ + QCD_I => m_ω

QDC = QB + QD + QEB - QB + 0,027

QDC_5,26 / D_I1² , QCD_I² / DI_I

QCD_I5̲2̲6̲

QCD_{I̲0̲.̲5̲5̲4̲2̲} , ̲+ QCD_I

QCD_{I̲0̲.0̲2̲7̲} , 4,5_̲5̲2̲4̲ , ̲3̲3̲-̲2̲9̲4̲ QCD_I

QBD_̲>QB + _{0,027 /} , _{4,5524423-294}

Q_AC = Q_B + Q_F - Q_D + Q_D + Q_C = Q_B + Q_F + 0,047 - Q_B + 0,031

H_A - H_C = β (Q_B + ^0,0321_5,26)² 1500

^0,2604

H_C - H_B = β (Q_B + 0,0073502692)² 1000

^5,26

QBC = QB + QF - QD + QC13

Q_BC = Q_B + 0,0073502692

H_D - H_E* = β (Q_B + 0,0145)² 600

^5,26

Q_DE = Q_B + Q_F - Q_D + 0,015

H_E* - H_F = β (Q_B + 0,015)² 1000

^5,16

H_E - H_B = ^0,002_0,2604,5,16.100

(Q_B + 0,045)² 1500 - (Q_B + 0,0073502692)² 1000 +

(Q_B + 0,0145)² 600 - 100 Q_F

Q_F = 0,00165 H_E → (^0,015_0,00165)^1/0,75 = H_F → H_F = 82,6446281

(Q_E 0,002 Q_B.700

_Q1604,5,16

Q_B = 0,12274065522 m³/s

Q_AC = 0,14474065522 m³/s

Q_BD = 0.2209600549 m³/s

Q_DF = 0.12774065522 m³/s

H_A = 200

H_C = 155,833 m

H_D = 134,694 m

H_E = 120.775 m

H_B = 70 m

H_F = 82.644 m

H_e = 205,885 m

ΔH_ed = (120,775 - 105,835) =

ΔHe = 14,940 m