Research Article
Numerical Simulation on Heat Transfer Characteristics of Water Flowing through the Fracture of High-Temperature Rock
Table 2
Calculation results of different heat transfer processes.
| Roughness | Aperture (m) | Water velocity (m/s) | Rock temperature (K) | Ti (K) | Outlet temperature (K) | Heat transfer coefficient |
| 1.2 | 5e-4 | 0.0025 | 323.15 | 319.5125 | 323.043 | 107.4001 | 343.15 | 337.0955 | 342.985 | 107.4214 | 363.15 | 354.6715 | 362.915 | 107.416 | 0.005 | 323.15 | 316.0465 | 322.241 | 285.7587 | 343.15 | 331.3185 | 341.65 | 285.8437 | 363.15 | 346.5825 | 361.041 | 285.7897 | 0.0075 | 323.15 | 313.0875 | 320.591 | 543.1123 | 343.15 | 326.3865 | 338.903 | 543.4135 | 363.15 | 339.6895 | 357.223 | 543.6105 | 7e-4 | 0.0025 | 323.15 | 318.027 | 322.831 | 169.814 | 343.15 | 334.6085 | 342.612 | 169.7923 | 363.15 | 351.202 | 362.415 | 169.8297 | 0.005 | 323.15 | 313.5595 | 320.84 | 484.4274 | 343.15 | 327.1735 | 339.318 | 484.6754 | 363.15 | 340.7835 | 357.798 | 484.955 | 0.0075 | 323.15 | 310.255 | 318.017 | 916.9923 | 343.15 | 321.666 | 334.614 | 917.6287 | 363.15 | 333.0795 | 351.218 | 918.0965 | 9e-4 | 0.0025 | 323.15 | 316.542 | 322.367 | 245.5782 | 343.15 | 332.144 | 341.86 | 245.6567 | 363.15 | 347.7375 | 361.334 | 245.6099 | 0.005 | 323.15 | 311.4425 | 318.989 | 710.0856 | 343.15 | 323.64 | 336.229 | 710.6735 | 363.15 | 335.8445 | 353.481 | 711.0104 | 0.0075 | 323.15 | 308.11 | 315.376 | 1279.624 | 343.15 | 318.09 | 330.212 | 1280.801 | 363.15 | 328.063 | 345.021 | 1279.712 |
| 1.4 | 5e-4 | 0.0025 | 323.15 | 319.5595 | 323.043 | 106.9598 | 343.15 | 337.1745 | 342.984 | 106.9772 | 363.15 | 354.782 | 362.913 | 106.9723 | 0.005 | 323.15 | 316.1265 | 322.261 | 283.5782 | 343.15 | 331.4415 | 341.662 | 283.531 | 363.15 | 346.7535 | 361.057 | 283.4858 | 0.0075 | 323.15 | 313.181 | 320.618 | 536.74 | 343.15 | 326.543 | 338.949 | 537.0395 | 363.15 | 339.9085 | 357.288 | 537.2532 | 7e-4 | 0.0025 | 323.15 | 317.987 | 322.827 | 170.4365 | 343.15 | 334.5415 | 342.605 | 170.4152 | 363.15 | 351.1095 | 362.406 | 170.4481 | 0.005 | 323.15 | 313.5105 | 320.834 | 487.7402 | 343.15 | 327.0915 | 339.29 | 487.4112 | 363.15 | 340.676 | 357.764 | 487.5822 | 0.0075 | 323.15 | 310.212 | 318.001 | 923.32 | 343.15 | 321.594 | 334.586 | 923.8931 | 363.15 | 332.979 | 351.18 | 924.4104 | 9e-4 | 0.0025 | 323.15 | 316.5125 | 322.363 | 246.3158 | 343.15 | 332.094 | 341.853 | 246.4041 | 363.15 | 347.6675 | 361.325 | 246.3648 | 0.005 | 323.15 | 311.4085 | 318.979 | 713.6627 | 343.15 | 323.5885 | 336.216 | 714.0491 | 363.15 | 335.773 | 353.463 | 714.3618 | 0.0075 | 323.15 | 308.0825 | 315.371 | 1287.704 | 343.15 | 318.0445 | 330.202 | 1288.598 | 363.15 | 327.999 | 345.008 | 1287.639 |
| 1.6 | 5e-4 | 0.0025 | 323.15 | 319.734 | 323.049 | 105.4043 | 343.15 | 337.454 | 342.977 | 105.3962 | 363.15 | 355.0385 | 362.755 | 105.401 | 0.005 | 323.15 | 316.1165 | 322.141 | 280.7423 | 343.15 | 331.4165 | 341.452 | 280.7037 | 363.15 | 346.5535 | 360.559 | 280.7069 | 0.0075 | 323.15 | 312.981 | 320.29 | 533.38 | 343.15 | 326.343 | 338.579 | 533.4634 | 363.15 | 339.7085 | 356.888 | 533.9026 | 7e-4 | 0.0025 | 323.15 | 317.787 | 322.457 | 168.5644 | 343.15 | 334.3415 | 342.195 | 168.9517 | 363.15 | 350.9095 | 361.93 | 169.0013 | 0.005 | 323.15 | 313.3105 | 320.524 | 485.6311 | 343.15 | 326.8915 | 338.97 | 485.8183 | 363.15 | 340.476 | 357.425 | 485.9981 | 0.0075 | 323.15 | 310.062 | 317.771 | 921.7325 | 343.15 | 321.394 | 334.266 | 921.5292 | 363.15 | 332.779 | 350.838 | 921.4334 | 9e-4 | 0.0025 | 323.15 | 316.3125 | 322.04 | 244.6681 | 343.15 | 331.894 | 341.483 | 244.7837 | 363.15 | 347.4675 | 360.93 | 244.9673 | 0.005 | 323.15 | 311.2085 | 318.669 | 711.0851 | 343.15 | 323.3885 | 335.886 | 711.3734 | 363.15 | 335.573 | 353.11 | 711.522 | 0.0075 | 323.15 | 307.8825 | 315.062 | 1285.096 | 343.15 | 317.8445 | 329.88 | 1285.271 | 363.15 | 327.999 | 344.99 | 1285.894 |
| 1.8 | 5e-4 | 0.0025 | 323.15 | 319.334 | 322.009 | 100.6993 | 343.15 | 337.054 | 341.55 | 100.7489 | 363.15 | 354.6385 | 360.855 | 100.4835 | 0.005 | 323.15 | 315.7165 | 321.49 | 276.8732 | 343.15 | 331.5165 | 341.32 | 276.6828 | 363.15 | 346.1535 | 359.659 | 276.2579 | 0.0075 | 323.15 | 312.981 | 320.29 | 533.38 | 343.15 | 326.343 | 338.579 | 533.4634 | 363.15 | 339.7085 | 356.888 | 533.9026 | 7e-4 | 0.0025 | 323.15 | 317.387 | 321.7 | 164.5648 | 343.15 | 333.9415 | 341.24 | 164.8952 | 363.15 | 350.5095 | 360.79 | 164.9999 | 0.005 | 323.15 | 312.9105 | 319.9 | 481.101 | 343.15 | 326.4915 | 338.3 | 481.6045 | 363.15 | 340.076 | 356.7 | 481.7055 | 0.0075 | 323.15 | 309.162 | 316.442 | 919.013 | 343.15 | 320.994 | 333.66 | 919.552 | 363.15 | 332.379 | 350.23 | 919.9104 | 9e-4 | 0.0025 | 323.15 | 317.9125 | 323.82 | 240.1812 | 343.15 | 331.494 | 340.65 | 240.293 | 363.15 | 347.0675 | 360.01 | 240.9346 | 0.005 | 323.15 | 310.8085 | 318.078 | 708.5908 | 343.15 | 322.9885 | 335.275 | 708.7534 | 363.15 | 335.173 | 352.48 | 708.8886 | 0.0075 | 323.15 | 307.4795 | 314.167 | 1218.251 | 343.15 | 317.4195 | 328.75 | 1218.772 | 363.15 | 327.5555 | 343.62 | 1218.943 |
| 2.0 | 5e-4 | 0.0025 | 323.15 | 318.734 | 320.53 | 94.41801 | 343.15 | 336.654 | 339.75 | 94.60147 | 363.15 | 354.2385 | 358.655 | 94.81679 | 0.005 | 323.15 | 315.3165 | 320.82 | 272.4365 | 343.15 | 331.1165 | 340.57 | 272.8525 | 363.15 | 345.7535 | 358.859 | 272.9349 | 0.0075 | 323.15 | 312.581 | 319.68 | 529.4248 | 343.15 | 325.843 | 337.79 | 529.5298 | 363.15 | 339.3085 | 356.18 | 529.6305 | 7e-4 | 0.0025 | 323.15 | 316.787 | 320.7 | 160.4109 | 343.15 | 333.3415 | 340.01 | 160.5339 | 363.15 | 349.9095 | 359.4 | 160.9596 | 0.005 | 323.15 | 312.3105 | 318.99 | 475.5328 | 343.15 | 325.8915 | 337.31 | 475.6835 | 363.15 | 334.576 | 349.03 | 475.8615 | 0.0075 | 323.15 | 308.562 | 315.53 | 913.1465 | 343.15 | 320.394 | 332.715 | 913.4476 | 363.15 | 331.279 | 348.53 | 913.8874 | 9e-4 | 0.0025 | 323.15 | 317.3125 | 322.8 | 234.4315 | 343.15 | 330.894 | 339.48 | 234.6153 | 363.15 | 346.4675 | 358.61 | 234.7439 | 0.005 | 323.15 | 309.6085 | 316.322 | 702.2043 | 343.15 | 322.3885 | 334.32 | 702.4912 | 363.15 | 334.573 | 351.48 | 702.626 | 0.0075 | 323.15 | 306.8795 | 313.26 | 1212.152 | 343.15 | 316.8195 | 327.82 | 1212.229 | 363.15 | 326.9555 | 342.67 | 1212.526 |
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