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![Page 1: The University of Texas at El Paso Modeling Ground Water and Contamination Transport Using Lab Experiment-S11 Ground Water Flow and Well Abstraction By:](https://reader036.fdocuments.us/reader036/viewer/2022062618/5513fed7550346ec488b47ca/html5/thumbnails/1.jpg)
The University of Texas at El Paso
Modeling Ground Water and Contamination Transport Using Lab Experiment-S11 Ground Water Flow
and Well Abstraction
By:Timothy Engle
Abdusalam Agail
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Experiment -1Modeling Contamination Transport Using
Lab Experiment-S11 Ground Water Flow and Well Abstraction Model
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Time:1:55 pm
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Time:1:55 pm
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Time:1:56 pm
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Time:2:03 pm
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Results length 99 cmwidth 49 cmheight 10 cmarea 490 cm^2Qref 0.05 L/s
50 cm^3/sdh 1.5 cm
#1&2dl 12.5 cm
hydraulic -0.8296 cm/sconductivit
y -0.68 cm/sdelta X 3 cm
A 30 cm^2t for 1L 20.5 sQwell 2.926829 L/min
0.04878 L/s48.78049 cm^3/s
ΔXQ/4KA -1.7934porosity 0.343088K/ΔXφ 0.806013est H 14 cm
piezometer H measured H predict SSQ1 12 cm 12.65451 0.428388 19.68557 27.843942 10.5 cm 10.85928 0.129079 8.625042 12.120823 10 cm 9.959885 0.001609 5.938199 6.6672794 9.5 cm 9.523217 0.000539 3.751357 4.6029095 9.4 cm 9.513731 0.012935 3.373989 4.5622956 9.4 cm 9.509735 0.012042 3.373989 4.5452437 10.9 cm 9.51134 1.928375 11.13452 4.552098 9.6 cm 9.513731 0.007442 4.148726 4.5622959 9.7 cm 9.523217 0.031252 4.566094 4.60290910 9.5 cm 9.057324 0.195962 3.751357 2.82087711 9 cm 8.6038 0.156975 2.064515 1.5031312 8.3 cm 8.147772 0.023173 0.542936 0.59289113 6.8 cm 6.748483 0.002654 0.58241 0.39601214 4.9 cm 4.598022 0.091191 7.09241 7.72704215 3.5 cm 3.857644 0.12791 16.50925 12.3913416 2.5 cm 2.798069 0.088845 25.63557 20.9737317 1.8 cm 2.349334 0.301768 33.21399 25.2852518 2.9 cm 3.251574 0.123604 21.74504 17.0255619 3.5 cm 3.602735 0.010554 16.50925 14.25095ave 7.563158 3.674297 192.2442 172.4745
ave w/o 7 7.377778 2
time s min L dhformula 1 153.6183 2.560304 59 11.43294
t=(α*L^2)/(K*dh)formula 2
t=(α*L*A)/Q 203.3328 3.38888
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Results Steady State
2D model
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Vy
Velocity (Vx direction) Velocity (Vy direction)
Pizometers Actual Vs Predicted
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Contour Map shows Predicted Pizometers in unconfined aquifer (sand tank) Experiment
Legend:
Contamination spot Source Well Location (Output) Actual Time = 2.56 Minute
Modeled Time (Equation-1) = 2.56 min Modeled Time (Equation-2) = 3.38 min
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Experiment -2Adding a Barrier to the
Modeling Contamination Transport
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Results length 99cmwidth 49cmheight 10cmarea 490cm^2Qref 0.05L/s
50cm^3/sdh 1.5cm
#1&2dl 12.5cmhydraulic -0.53973cm/sconductivity -0.68cm/sdelta X 3cmA 30cm^2t for 1L 31.51sQwell 1.904157L/min
0.031736L/s31.73596cm^3/s
ΔXQ/4KA -1.16676porosity 0.343088K/ΔXφ 0.524382est H 14cm
piezometer H measured H predict SSQ1 12 cm 12.94763 0.897995 9 8.4155642 11.4 cm 11.54553 0.02118 5.76 2.2466023 10.8 cm 10.84601 0.002117 3.24 0.6389444 10.5 cm 10.48657 0.00018 2.25 0.1935185 10.5 cm 10.49425 3.31E-05 2.25 0.200336 10.5 cm 10.49704 8.75E-06 2.25 0.2028387 10.6 cm 10.49447 0.011137 2.56 0.2005278 10.6 cm 10.49213 0.011637 2.56 0.1984359 10.6 cm 10.48369 0.013527 2.56 0.190993
10 10.4 cm 10.14922 0.062893 1.96 0.01051611 10 cm 9.802775 0.038898 1 0.05948312 9.8 cm 9.458538 0.116597 0.64 0.34589613 9 cm 8.454165 0.297936 0 2.53606114 8 cm 7.392958 0.368501 1 7.04217215 6 cm 7.307806 1.710357 9 7.50135716 4.2 cm -4.11971 69.21753 23.0417 4.3 cm -2.3769 44.58104 22.0918 5.4 cm 0.786116 21.28793 12.9619 6.4 cm 2.760438 13.24642 6.76ave 9 151.8859 110.88 29.98324
ave w/o 10.04667 416-19
time s min L dhformula 1 134.8115 2.246859 67.68309 17.1447
t=(α*L^2)/(K*dh)formula 2
t=(α*L*A)/Q 358.5338 5.975564
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Results
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Results
Pizometers Actual Vs Predicted
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Contour Map shows Predicted Pizometers in unconfined aquifer
with a Barrier around the well
Contamination Transport Direction
Legend:
Contamination spot Source Well Location (Output) Actual Time = 6 Minute
Modeled Time (Equation-1) = 2.24 Min Modeled Time (Equation-2) = 5.97 Min