温度分布 鉄管中心からの距離~(m),温度~($^\circ$C) 150,20,30 65,10,5 0,50,10,N 0,20,5,N 20,8 1,$\circ$ 1,$\square$ 1,$\triangle$ 1,$\blacksquare$ 1,$\bullet$ 1,$\blacklozenge$ 1,$\blacktriangle$ 1,$\lozenge$ L,365day,395day,457day,517day,547day,578day,639day,700day 3.15E+00,10,14.938,19.999,15.012,10.086,4.988,0,5.062 3.17E+00,9.996,14.932,19.995,15.013,10.09,4.993,0.005,5.061 3.19E+00,9.993,14.927,19.99,15.014,10.093,4.999,0.01,5.061 3.37E+00,9.452,14.077,19.239,15.119,10.652,5.874,0.783,4.963 3.55E+00,9.004,13.33,18.53,15.164,11.115,6.644,1.513,4.926 3.73E+00,8.639,12.676,17.863,15.158,11.496,7.321,2.2,4.939 3.91E+00,8.346,12.106,17.236,15.11,11.803,7.913,2.845,4.995 5.13E+00,7.554,9.745,13.907,14.2,12.678,10.399,6.269,5.951 6.35E+00,7.816,8.927,11.822,12.986,12.478,11.307,8.416,7.205 7.56E+00,8.435,8.867,10.626,11.893,11.903,11.429,9.652,8.331 8.78E+00,9.076,9.122,10.017,11.06,11.291,11.215,10.285,9.189 1.00E+01,9.595,9.446,9.758,10.495,10.785,10.911,10.556,9.771 1.50E+01,10.295,10.19,9.988,9.958,10.018,10.113,10.287,10.294 2.00E+01,10.131,10.143,10.121,10.066,10.043,10.031,10.051,10.104 2.50E+01,10.014,10.026,10.048,10.054,10.051,10.045,10.033,10.032 3.00E+01,9.998,9.999,10.005,10.014,10.017,10.02,10.021,10.019 3.50E+01,10,9.999,9.999,10,10.002,10.003,10.006,10.008 4.00E+01,10,10,10,10,10,10,10.001,10.002 4.50E+01,10,10,10,10,10,10,10,10 5.00E+01,10,10,10,10,10,10,10,10