Improved Cover Type Header Box Design Procedure

W Beyers, A Zapke, G Venter
2015 Journal of the South African Institution of Mechanical Engineering   unpublished
76 The purpose of a heat exchanger header box is to act as a high pressure manifold that redistributes process fluid from a central source to a bundle of finned tubes where it can be cooled. Due to the lack of certified cover type header box design codes, industrial manufactures are left to develop their own in-house codes. This paper presents an investigation of an in-house design code and compares its results with those from finite element analyses. After analysing multiple sample designs, it
more » ... sample designs, it was found that header boxes designed using this method were all over-designed. To address this problem, a new 2D finite element software package was developed, based on an open source platform, and validated to accurately analyse cover type header boxes. The software can be used to validate any existing designs, as well as to provide an optimal design and accurate stress predictions for new header boxes, thus reducing uncertainty in the design process.