Need help calculating the heat exchange area

2017-09-26 View Original

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The heat exchanger is a heating vessel used in tank tests; it features coiled tubes with a length of 172 meters, made of DN20 stainless steel. The tubes contain 7 kilograms of steam at a temperature of 160 degrees. The shell side contains materials at room temperature, which need to be heated to 120 degrees Celsius. What is the actual heat exchange area of this device?

Reply #2 2017-09-27

This post was last edited by wiseboy on 2017-9-27 at 13:54. It’s ridiculous: it doesn’t state 1) how much material should be heated； 2) How long to heat it for? There is no answer to this question at all! They actually managed to calculate it – what nonsense.

Reply #3 2017-09-27

The physical and chemical properties of the material. What is the main difference between coil heating and tube heating?

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Need help calculating the heat exchange area

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