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- Save Answe What is the infiltration capacity at 3 hours of a soil that have an initial rate of infiltration equal to 1.30 in./hr and a final capacity of 0.25 in./hr? Use Horton's equation and assume that the time constant k = 0.45The initial infiltration capacity of the soil is 00386 cm per min, the time constant as 0.1018 per hour, and the capacity of soil for final infiltration in 0.6683 cm per hour. If the rain starts at 8:00PM on 10November 2015, use Horton's Equation to solve for the infiltration is a 18:00PM capacity of the soil (mm per hr) at 4:42PM the next day.Solve the infiltration loss at t = 25 min in the linear function boundary. Given data:fo = 300mm/hrfc = 60mm/hrassume k = 4.8/hr
- The infiltration rate for excess rain on a small area was observed to be 11.5 cm.hr-1 at the beginning of a rainfall, and it decreased exponentially to an equilibrium of 1.25 cm.hr-1 after 10 hrs. A total of 76 cm of water infiltrated during the 10-hr interval. Determine the hydraulic conductivity of the soil.Solve the infiltration loss at t = 15 min in the exponential function boundary. Given data:fo = 300mm/hrfc = 60mm/hrassume k = 4.8/hrWhat is infiltration after a long time? and also, derive an equation to determine the position of the wetting front from the recharge pond into an initially dry soil as a function of time.
- In a reservoir system with a very large accumulation volume for the ideal fluid (water),a) Since the diameter of the ABCDEF outlet pipe is D = 20 cm, the flow rate through the pipe,b) Calculate the velocity, velocity height, relative pressure and pressure heights in the ABCDEF outlet pipe.c) Draw the relative energy and piezometer lines of the system.d) If the relative evaporation pressure of water is pv = -98.5 kPa, what can be z maximum?e) Determine how much the diameter of the outlet pipe can be reduced at most without causing cavitation, with the relative evaporation pressure of water pv = -98.5 Pa and h = 6 m.f) Calculate the critical velocity value for cavitation. Please solve d-e-f questions. (figure in image)A sand layer of the cross-sectional area shown in Fig. ?-b (page 2) has been determined to exist for a 500-m length of the levee. The hydraulic conductivity of the sand layer is 2.3 m/day. Determine the quantity of water which flows into the ditch in m3/hr.A soil column with a length of 20 cm and cross-sectional area of 50 cm2 was used to measure saturated hydraulic conductivity. The water depth on the surface was 5 cm. The volume of water collected under the column was 2 cm3 min-1. Calculate the saturated hydraulic conductivity of the soil.
- A catchment soil has a Horton infiltration parameter: f0=240 mm/hr, fc=30 mm/hr and k=0.2 min^-1. Calculate the infiltration rate right after two hours. Assuming a rain of constant intensity of 50 mm/hr occurs and lasts fo 3 hours, calculate the amount of rain that infiltrates into the soil.In a reservoir system with a very large accumulation volume for the ideal fluid (water), a) Since the diameter of the ABCDEF outlet pipe is D = 20 cm, the flow rate through the pipe, b) Calculate the velocity, velocity height, relative pressure and pressure heights in the ABCDEF outlet pipe. c) Draw the relative energy and piezometer lines of the system. d) If the relative evaporation pressure of water is pv = -98.5 kPa, what can be z maximum? e) The relative evaporation pressure of the water is pv = -98.5 Pa and h = 6 m. Determine how much can be reduced without reason. f) Calculate the critical velocity value for cavitation.A 300 mm diameter test well penetrates 24 m. below the static water table. After 24 hours of pumping at 69 liters per second, the water level in an observation well at a distance of 96 m. from the test well is lowered by 0.60 and the other observation well at a distance of 34 m. from the test well, the drawdown is 1.2 m a) Compute the coefficient of permeability of the unconfined aquifer b) Compute the transmissivity of the unconfined aquifer.