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1、 E 2006, 36(9): 9911001 991 SCIENCE IN CHINA Ser. E Technological Sciences * ( , 210009; , 200062l; , 210048) . , , , , . : , , ; , , , ; , , , , . . , , 1,2. : , , ; , , . 3,4 , , . , , : 2005-10-14; : 2006-01-04 * (304001)(BSCX200511) 992 E 36 SCIENCE IN CHINA Ser. E Technological Sciences . , , ,
2、 , , . 1 1.1 d , d p T cTQ t (1) , , cp, , Q, T, t. () : 0 , ccc qTT (2) , c , T0c. () : 44 0 00 , rr qTT (3) , 00 (), T0r. 1.2 , , . , . , . , , , 5 : 0.80.4 0.023,NuRePr (4) , NuNusselt; ReReynolds; PrPrandtl. 2 2.1 325 mm 10 mm, 159 mm 7 mm, 304, , 2.5 mmA132, 9: 993 142 A, 36 V, 3. 1010 , 0.3 m
3、/s, 0.34 MPa, 6.2. 1 . 1 E, 24, 2, . 2 (: mm) 2.2 . 800 mm, 200 mm, , , 994 E 36 SCIENCE IN CHINA Ser. E Technological Sciences 6. 26420, 19521. 3, 304 7 1. . 3 1 304 T / /Wm 1K1 cp /Jkg 1K1 106 /K 1 E /GPa Possion 0.2/MPa y (1%)/MPa 20 10.8 354 14.0 200 0.300 254 296 100 11.8 369 14.7 195 0.274 238
4、 277 200 13.1 384 15.9 190 0.290 208 242 300 14.0 400 16.8 185 0.310 182 213 400 15.6 423 17.7 173 0.320 159 182 500 17.2 447 18.3 165 0.307 140 160 600 19.2 465 18.7 155 0.292 124 141 700 20.7 492 19.0 144 0.276 108 118 800 22.8 506 19.2 130 0.258 90 97 900 24.0 524 19.4 103 0.237 70 75 1000 26.3 5
5、36 19.5 71 0.288 48 52 1100 26.8 546 19.6 11 0.222 20 25 , , 8. , , . , . 247 kJ/kg, 1673, 1723 9. , , , 13 W/(m2K), 0.85, 9: 995 3, , (4) 756 W/(m2K). 2.3 4315. 3 1000 s, 600 s, , , . 15, 700 . , , , . 4 (a) 3, (b) 3, (c) 15, (d) 15 2.4 . , , . , , , (remaining strength factor, RSF)10, . 996 E 36
6、SCIENCE IN CHINA Ser. E Technological Sciences P0, , P0. A(3), A 0 1 d , i t A Ayt t Pt R (5) , yt A, R. 0 00 d , i t yt t A A eff yy t PR t (6) , 0y . 10RSF: 2 , 1 1 10.48 t t R RSF R (7) , Rt, Rt = teff/t; . RSF0.455. 0 2 *ln. 3 s i D p D (8) 1.5, 0.9, p = RSF p*1.50.9, p = 0.45518.631.50.9 = 6.28
7、 MPa. , , , . , 10, , . 3 219 mm, 108 mm 4 mm, 304, . , 11, . 3.2 mmA132, 20 V, 0.8. , 5 mm. 10, 1.4 MPa. 400 mm, 200 mm. 9: 997 3.1 6 mm, 1.0 m/s, 2271 W/(m2K), 2. 2 I/A v/mms 1 q/Jmm 1 1 90 1 1440 2 90 1.5 960 3 90 2 720 4 90 3 480 5 90 4 360 6 90 5 288 7 100 1 1600 8 100 1.5 1067 9 100 2 800 10
8、100 3 533 11 100 4 400 12 100 5 320 13 110 1 1760 14 110 1.5 1173 15 110 2 880 16 110 3 587 17 110 4 440 18 110 5 352 5Pi. , , Pi; , . 6Pi , , Pi. 5 Pi 998 E 36 SCIENCE IN CHINA Ser. E Technological Sciences 6 Pi P0, RSF7. , 2881760 J/mm, RSF, , , , RSF, 90 A0.324, 100 A0.288, 110 A0.25, 3.96, 3.523
9、.06 MPa. , . 7 RSF 3.2 6 mm, 3, 9: 999 90 A, 3 mm/s. 3 /ms 1 0.5 1.0 1.5 2.0 2.5 3.0 3.5 4.0 /Wm 2K1 1305 2104 3142 3955 4728 5470 6188 6886 8Pi. , , Pi. P0, RSF9. , RSF , , . , 2.0 m/s2.0 m/s, 0.52.0 m/s, , 2.0 m/s. 0.5 m/s5.92 MPa, 2.0 m/s 7.11 MPa, . 8 Pi 9 RSF 3.3 90 A, 3 mm/s. 1.0 m/s, 10, 4.
10、4 /mm 4 6 8 10 12 /Wm 2K1 2263 2271 2280 2289 2299 10Pi. , , Pi. P0, RSF11. , 1000 E 36 SCIENCE IN CHINA Ser. E Technological Sciences RSF, , RSF, . 8 mm, RSF, . , . 11 RSF 4 () , . () , . , , , , . () , , . , , , . 10 Pi 9: 1001 , , , . . 1 Sabapathy P N, Wahab M A, Painter M J. The prediction of
11、burn-through during in-service welding of gas pipelines. International Journal of Pressure Vessels and Piping, 2000, 77: 669677DOI 2 Sabapathy P N, Wahab M A, Painter M J. Numerical models of in-service welding of gas pipelines. Journal of Materials Processing Technology, 2001, 118(1-3): 1421DOI 3 ,
12、 , . . , 1997, 20(3): 18, 61 4 , , , . . , 1998, 19(1): 2936 5 , . . : , 1995 6 Artem P. Computer Simulation of Residual Stress and Distortion of Thick Plates in Multi-Electrode Submerged Arc Welding and Their Mitigation Techniques. Trondheim: Norwegian University of Science and Technology, 2001 7 R
13、ibicky E F, Schmueser D W, Stonesifer R W, et al. A finite-element model for residual stresses and deflections in girth-butt welded pipes. ASME Journal of Pressure Vessel Technology, 1978, 100(8): 256262 8 Teng T L, Fung C P, Chang P H, et al. Analysis of residual stresses and distortion in T-joint filler welds. International Journal of Pressure Vessel and Piping, 2001, 78: 523538DOI 9 . . : , 2004 10 SY/T6477-2000, (: ). : , 2001 11 Bang I W, Son Y P, Oh K H, et al. Numerical simulation of sleeve repair welding of in-service gas pipelines. Welding Journal, 2002, (12): 273282
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