Shell Information
Description: The label given for the component.
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Consider Effect of Different shell material/thickness adjacent to tubesheet: Select this box if the shell has a different thickness or material adjacent to the tubesheet; this is the same as using a shell band. Selecting this box will enable the Shell Band fields.
Shell Band Information
Material: A brief description of the component material. When the material selection dialog is used, the default description is based on settings on the Materials-Misc. tab under Tools > Defaults. For example, if the settings are for Spec and Type/Grade and the material is SA-516 Grade 70, this field will show SA-516 Gr. 70. If the settings are instead just for Spec, the field will show SA-516. The field may be edited by the user to say anything without breaking the relationship to the material database; while this flexibility can be very helpful, the user must take care to enter correct information.
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L1, L1': Length of shell thickness adjacent to the tubesheets.
Tube Information
Material: A brief description of the component material. When the material selection dialog is used, the default description is based on settings on the Materials-Misc. tab under Tools > Defaults. For example, if the settings are for Spec and Type/Grade and the material is SA-516 Grade 70, this field will show SA-516 Gr. 70. If the settings are instead just for Spec, the field will show SA-516. The field may be edited by the user to say anything without breaking the relationship to the material database; while this flexibility can be very helpful, the user must take care to enter correct information.
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Alpha t,m: The mean coefficient of thermal expansion of the tube material at the mean temperature along the tube length (Tt,m). The mean coefficient of thermal expansion based on the TE tables from Section II, Part D; column B is used in those tables. There are several materials that do not have clear matches in these tables. When a clear match cannot be found by the software’s assignment criteria, this value will be zero. Manually editing this field will sever the connection to the material in the database as indicated by the “Unlisted Material” caption.
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