尺寸/mm

内压/bar

温度/℃

应变/%

腐蚀/μm

应力/MPa

坍塌/MPa

包壳外径x

名义值N

9.5

151.890

1339.340

0.134

29.653

263.387

189.160

上偏差U

9.54

152.223

1341.360

0.131

29.596

263.048

108.180

下偏差L

9.46

151.243

1337.280

0.131

29.708

264.553

136.580

$x_i=\left(U-L\right)/N$

0.006

0.003

0.007

−0.004

−0.006

−0.150

包壳内径y

名义值NN

8.36

151.890

1339.340

0.134

29.653

263.387

189.160

上偏差UU

8.39

158.043

1393.300

−0.150

29.652

263.120

246.880

下偏差LL

8.33

147.393

1305.090

0.319

29.653

261.755

118.660

$y_i=\left(UU-LL\right)/NN$

0.070

0.066

−3.496

0.000

0.005

0.678