Container insulation calculation (dynamic process)
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Hello everyone. Given a carbon steel container filled with 80% water at 40°C, and assuming the ambient temperature is -30 degrees Celsius with a wind speed of 2 m/s, how can we calculate the time it takes for the water to cool down to -30 degrees Celsius? Thank you all for your guidance!
This will help you move to the Devices section for more discussions
This post was last edited by wiseboy on 2015-10-9 at 12:59. Issues related to the standard heat exchange section should not be moved elsewhere. However, the following data is missing: 1. Container geometric dimensions ； 2. Container material and wall thickness.
This post was last edited by wiseboy on 2015-10-9 at 13:45. Assumptions: carbon steel spherical tank, diameter 2.0 m, filling factor 0.8, wall thickness 8 mm. We used the results calculated by the specialized software VHeater from Vivid Software: Water temperature/°C, Cooling time/h –5 62.85, –10 74.80, –15 87.91, –20 103.1, –25 121.4, –28 166.7. . . . . . 1. Keep in mind that the above results change significantly when the container diameter (the volume of water) and wall thickness vary. Therefore, it cannot be copied verbatim ； 2. -Water at 30 degrees freezes, so your question contains a lot of hypothetical elements; it seems like it was created by a student doing practice problems.