Numerical simulation of 3d thermal fluid coupled model in porous medium

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TABLE 1 COMPARISON OF THE EXACT AND APPROXIMATION VALUE OF

The exact value H 0.193854200372343 0.385019096078945 0.570842690696917 0.748747086718487 0.916264248262269 1.071070239693822 1.211017465169250 1.334164461848409 1.438802833461809 1.523480950586641 1.587024088842251

The approximate value H1 0.193883391857379 0.385076676916620 0.570927018974783 0.748855600447801 0.916393331735950 1.071215018405726 1.211171500284468 1.334319297162373 1.438947315539083 1.523600184442877 1.587097798339812

0 -1 -2 -3 -4 -5 -6 -7

-8 -8 -6 -4 -2 0 the Exact Value of Seepage Velocity in X(Y) Direction

the Approximate Value of Seepage Velocity in Z Direction

the Approximate Value of Seepage Velocity in X(Y) Direction

z 0.083333333333333 0.166666666666667 0.250000000000000 0.333333333333333 0.416666666666667 0.500000000000000 0.583333333333333 0.666666666666667 0.750000000000000 0.833333333333333 0.916666666666667

H(x,y,z) WITH x=1/3, y=1/6, h=1/12 Error H1-H 0.000029191485036 0.000057580837675 0.000084328277866 0.000108513729314 0.000129083473680 0.000144778711904 0.000154035115218 0.000154835313965 0.000144482077274 0.000119233856236 0.000073709497560

0

-2

-4

-6

-8

-10

-12 -15 -10 -5 0 the Exact Value of Seepage Velocity in Z Direction

FIG. 2 COMPARISON OF THE EXACT AND APPROXIMATION VALUE OF SEEPAGE VELOCITY TABLE 2 COMPARISON OF THE EXACT AND SOME APPROXIMATION VALUE OF T(x,y,z) WITH x=1/3, y=1/6, z=1/4,h=1/12, τ=1/1800, k2=0.01

Time t 0.0006 0.0172 0.0339 0.0506 0.0672 0.0839 0.1006 0.1172 0.1672 0.1839 0.2006 0.3506 0.3672 0.3839 0.4006 0.4172 0.4339 0.5506 0.6672 0.6839 0.7006 0.7172 0.8006 0.8172

The exact value T 0.3593 0.5311 0.7030 0.8749 1.0467 1.2186 1.3904 1.5623 2.0779 2.2497 2.4216 3.9684 4.1402 4.3121 4.4839 4.6558 4.8277 6.0307 7.2337 7.4056 7.5774 7.7493 8.6086 8.7804

The approximate value T1 0.3593 0.5308 0.7024 0.8740 1.0458 1.2181 1.3910 1.5645 2.0854 2.2590 2.4324 3.9936 4.1671 4.3407 4.5142 4.6877 4.8612 6.0762 7.2911 7.4646 7.6382 7.8120 8.6688 8.8194

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Error T1-T -0.0000 -0.0003 -0.0006 -0.0008 -0.0009 -0.0005 0.0006 0.0022 0.0075 0.0093 0.0108 0.0252 0.0269 0.0286 0.0303 0.0319 0.0336 0.0455 0.0574 0.0590 0.0607 0.0627 0.0602 0.0390


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