![5.4 Time to reach critical temperature](https://imgs.zsbeike.com/imgs/K/K09534/k09534.0130.3[29882348024d].jpg)
 Duringshut-downsthewellflowstopsandthepipewillstarttocooldown.Ifitisassumedthatthepipeisinsulatedbyathinefficientlayerofinsulationsothatmostoftheheatisstoredinsideoftheinsulation,thetimeuntilacriticaltemperaturecanbeestimatedbytheapproachshowninFigure5.4w (共 2364 字) [閱讀本文] >>