![]() The accuracy of the hydraulic and thermal calculation of a complete shell-and-tube exchanger is given as +- 15%, which is also valid for the LV Design Atlas 10. The heat transfer equations for the tube and shell side based on measured data describe the heat transfer quite accurately. The hydraulic and thermal relationships are known and published e.g. A wide variety of software is offered for the calculation of tube bundle heat exchangers. Every engineer must know that HE is the interface to the program and must assess the result with his expertise, but can also influence it in any direction. It means the minimization of the default values by standardized default values but be careful! Is this not the hidden lack of expertise of the user? Unconditional trust in a calculation left to “others” should not lead to uncritical acceptance of the results, as this would bypass the important “four eyes principle”. “Do what I mean”: this demand for calculation software sounds tempting. Fischer, Managing Partner – Lauterbach Verfahrenstechnik GmbH Can software replace the expert engineer? Calculation of shell-and-tube heat exchangersīy Dipl.Ing.
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