Q/ Design the liquid storage tank if water capacity = 725,000 liters and with following specifications:- == fc' 35 Mpa, fy =420 Mpa Water height Hw-2.5m, Soil height H,= 2m, Ground water height Hg=1.5m Water density Yw= 10 kN/m³, Soil density y= 17.5 kN/m³ and 0 =30.
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- Given:Flow rate of water = 500 L/minSuspended solids concentration in influent water = 100 mg/LRequired effluent suspended solids concentration = 10 mg/LFiltration rate = 10 m^3/m^2/hrFiltration tank dimensions: Length = 5 m, Width = 3 m, Depth = 4 mCalculate:o Calculate the total suspended solids (TSS) load in the influent water:o Calculate the filtration tank surface area:o Calculate the required filtration tank capacity:o Calculate the required detention time in the filtration tank: Q2) DisinfectionGiven:Flow rate of water = 2000 m^3/hChlorine residual required in effluent = 0.5 mg/LInitial chlorine concentration in influent water = 2 mg/LChlorine decay rate in disinfection tank = 0.05 per hourDisinfection tank volume = 300 m^3Calculate:o Calculate the chlorine demand in the influent water:o Calculate the chlorine dosage required:o Calculate the chlorine dosage rate:o Calculate the actual chlorine dosage rate considering chlorine decay:Determine the basin size (length, width, and depth in ft) and the power input (hp) required given the information below. Note: 1 hp = 550 ft:lb/s; 1 gal = 0.1337 ft Flowrate = 3.0 MGD Tank configuration: Square with liquid depth 1.5 times the width Detention time = 30 s Velocity gradient = 750 s' Dynamic viscosity = 3.229 x 105 lb's/ft Sh₂ h2-h1 h₂ Q b=h Unconfined aquifer Ⓒ Steady flow h1 = 80ft h2 = 100ft r1 - 800 ft r2 = 1000 [L Pumping rate = 300 gpm Estimate hydraulic conductivity of the aquifer 1 gpm = 192.5 ft3/day
- Determine the elevation difference, Ah, between the water levels in the two open tanks shown in the figure below. Assume SG = 0.92. Δη= m 1m SG. Water 0.4 m ↑ AhQ-Groundwater flows through an aquifer with a cross-sectional area of 1.0 × 104 m² and X a length of 1500 m. Hydraulic heads are 300 m and 250 m at the groundwater entry and exit points in the aquifer, respectively. Groundwater discharges into a stream at the rate of 750 m³/day. Then find the hydraulic conductivity of the aquifer.In the figure below, what should be the reservoir level h to maintain a floe of 0.01 m³/s through the commercial stee annulus 30 m long? Neglect entrance effects and take density 1000 kg/m³ and kinematic viscosity 1.02x10-6 m²/s for water. Hint: use hydraulic diameter D₁ = 2(a-b). Water O 5.32 m O 2.15 m O 3.71 m O 1.69 m h = ? (1) a = 5 cm b=3 cm L = 30 m Q, V
- SG 0.90 2) difference, Ah, between the water levels in the two open tanks shown in the figure. yw=9.80 kN/m³ Determine the elevation 0.4 m 1 m Water4 Homework 1. Dervie and prove Table 2. 9.1 Water injection is carried out in a 50 ft thick, 300 ft wide, and 400 ft long grid- block (much like a rectangular core, called gridblock in reservoir simulation terminology), which has a porosity of 33% and absolute permeability of 500 mD. The injection of water is carried out at a residual oil saturation of 20%. The pressure drop across the gridblock is 5 atm. The relative permeability of water (k) at residual oil saturation of 20% or water saturation of 80% is 0.67. Water viscosity is 1.0 cP. Calculate the water flow rate in barrels/day. 9.3 An oil-water SS displacement experiment was carried out on a 5.0 cm long and 3.0 cm diameter sandstone core plug. The porosity of the plug is 25% and the grain density is 2.65 g/cm³. Oil and water densities are 0.85 g/cm³ and 1.05 g/cm³, while viscosities are 2.0 cP and 1.0 cP, respec- tively. The differential pressure for the test is 12.94 psi. Other data are provided in the following table. Calculate…3. A permeameter is filled with sand. When water is allowed to flow through the device, a flow rate of Q.er = 10 cm'/s is observed. The sand is dried and filled with oil. The total hydraulic head at the inflow and outflow ends of the permeameter are the same in both tests. Calculate the flow rate of oil Qol. Data: puil=0.9 pwaer Hlail = 1.8 lue
- Compute for the unknown pressure at A. (h1 = 90 cm; h2 = 150 cm; h3 = h4 = 65 cm). Encode your answer with solution using the space provided. SG %3D of saltwater = 1.024 Oil SG = 0.8 h1 h3 h2 A. h4 Salt Water Pa= ? Mercury SG = 13.6Q1:) A circular coagulation basin has a diameter of 2.5 m and it's depth equal to 1.60 m. If the following data are available: Gt=27000, t-30 s, μ-1.003× 10³ kg/m.s,alum dosage=50 mg/l, determine: a) The required mixing power in unit of (kW). b) The daily quantity of alum added in unit of (kg/d). Q2:) The flow described in (Q1) above is to be flocculated in a basin having four flocculators with transverse paddle units. The basin may be a maximum of 6 m wide and 4 m deep to connect to the settling basin. Determine: (1) Basin dimensions: (2) power requirements. μ= 1.002× 10³ kg/m.s The best Gt value for the system has been found to be 5 x 104, and the G value is 40 s¹.14. Yuri wants to determine the permeability of an aquifer. The aquifer has a test well 300-mm in diameter with two observation wells. A pumping test was conducted for 24 hours with the discharge being held constant at 5618.7 m^3/day. The first one, 88.43 meters from the test well, has a draw-down of 0.52 meters. The second one, 48 meters from the test well, has a draw-down of 1.48 meters.The static water table penetrates the well to a depth of 27 meters. Determine the radius of influence of the aquifer in meters. Round off to three decimal places.