Long-term temperature forecasting method for power cable tunnel
A power cable and prediction method technology, which is applied in the field of temperature prediction, can solve problems such as unreasonable prediction and inaccurate prediction results, and achieve the effects of high accuracy, improved resource utilization, and high precision
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[0027] The present invention will be described in detail below in conjunction with the accompanying drawings and specific embodiments. This embodiment is carried out on the premise of the technical solution of the present invention, and detailed implementation and specific operation process are given, but the protection scope of the present invention is not limited to the following embodiments.
[0028] Such as figure 1 As shown, a long-term temperature prediction method for power cable tunnels, the method includes the following steps:
[0029] In step s1, a thermal field model of the tunnel is established to obtain a temperature variation trend.
[0030] The following assumptions are set when establishing the tunnel thermal field model:
[0031] 1) The soil is homogeneous and isotropic solid, and all thermophysical parameters are constant;
[0032] 2) The temperature of the earth's surface changes with the time cycle, and the cycle is 1 year.
[0033] Based on the above a...
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