Geofluids

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