关于温度计套管强度计算？ 采用asme ptc 19.3 (1974)计算。计算步骤如下：wika等公司都有该软件，订货时可要求其提供计算。也可在intool 上看到。 thermowell calculation 1 define initial value of k constant: f 2 calculate ratio of frequency at fluid temperature to frequency at 70 °f: 3 calculate maximum thermowell length: 4 define kf constant: 5 paragraphs 3 - 4 are repeated until current value equals 6 calculate natural frequency for l=l1: 7 calculate wake frequency: 8 calculate magnification factor for l1(r ≤ 0.8): 9 define k , k , constants: 1 2 3 k 10 calculate maximum allowable static gage pressure: 11 calculate maximum thermowell length based on steady state stress consideration查看更多
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