The following information are given: Mud density= 10 ppg, depth=D11000 ft., It is required to use water to reduce hydrostatic pressure of mud in the well by 450 psi. What is the new length of mud and water column? Water density= 1 gm/cc.
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- (Question: 4: A well with a storage coefficient of 0.05 m/s has a slope define by rise = 3 and run = 4. Find the velocity of flow using Darcy’s equation.)The soil porosity in the area where the 46-cm diameter well in Question#4 is 48%, find the discharge of the groundwater.A well with a storage coefficient of 0.05 m/s has a slope define by rise = 3 and run = 4. Find the velocity of flow using Darcy’s equation.If the coefficient of permeability for the soil is estimated to be k 1⁄4 0.05 cm/s, what is the average or discharge (Darcy) velocity of flow through the soil (the soil is located between points B and D) in cm/s? Use the format 2.222 x 10^(-4)
- A stream having a width of 5.4 m carries 16.5 m³/s of flow rate at a velocity of 4.2 m/s Determine: a.) Froude number b.) If the hydraulic jump occurs, what is the depth of water downstream? c.)how much energy was lost or dissipated by the hydraulic jump? Pls show the complete and necessary formula. Thank you. :)The figure shown is a cross-section of a cast iron pipe with coefficient of roughness n = 0.012. If the slope of the channel bed is 1.8 m for every 1 kilometer of its length, determine the following: a. Wetted perimeter of the section, P b. Hydraulic radius, R b. Flowrate, QHigh velocity water flows up an inclined plane, as shown in Figure 5 .1 What are the two possible depth of flow at section 2? Neglect al losses.
- A vertical cylinder having a circular base of radius r and a height of 12 m is filled with water at the rate of 1 m^3/min. if the depth of water in the cylinder at the vertical position is 3 m. what would be the resulting depth when the cylinder is in the horizontal position? a. 0.60r b. 0.40r c. 0.30r d. 0.50rGiven the discharge Q in Question#5, transmissibility T in Question#6, slope S in Question#4; find the aquifer width X. Question 4: A well with a storage coefficient of 0.05 m/s has a slope define by rise = 3 and run = 4. Find the velocity of flow using Darcy’s equation. Question 5: The soil porosity in the area where the 46-cm diameter well in Question#4 is 48%, find the discharge of the groundwater. Question 6: Given the coefficient k in Question#4 and porosity p in Question#5, find the transmissibility (T) in m/s per unit m, if the aquifer width is 1.2 m.What are the hydraulic head measurements in meters for both well A & well B? Two groundwater wells are drilled to a total depth of 42 m below the ground surface. The wells are separated by 120 m of horizontal distance. Well A is drilled where the ground surface is at an elevation of 410 m, above mean sea level (msl), while well B is drilled where the ground surface is 397 m (msl). As a hydrogeologist, you measure the depth of groundwater (from the ground surface) to be 21 m and 36 m below the ground surface at wells A and B, respectively.
- A concrete dam and the flow net are shown in the Figure below. The following parameter are-5 3 given as: Nd=12, Nf=3.8, k=2.6X10 m/sec, and Ɣsat=19.5 kN/m .a) Calculate the total quantity of water lost by seepage in m3/day.b) What is the water quantity for each flow channel?c) What is the reading of pizometer if its location 1.5 m above datum?d) What is the factor of safety against piping at the down stream?B- The following table representing the relation between the recorded discharge (Q) with the water levels (W.L.) . Use a value of a = 7.50 m and Estimate the discharge corresponding to a gauge reading of 10.5 m .Given that Q = 20 m3/s, calculate the flow depth of the stream after the scour hole.