A Simplified Design Method for the Mechanical Stability of Slit-Shaped Additively Manufactured Reactor Modules

Designs Pub Date : 2024-05-07 DOI:10.3390/designs8030041
David F. Metzger, Christoph Klahn, Roland Dittmeyer
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Abstract

Equipment integrity is an essential aspect of process engineering. Design guidelines facilitate the design and production of safe-to-operate and economic devices. Thin-walled, slit-shaped modules form a subgroup of process engineering devices made via additive manufacturing (AM). Being subject to internal pressure, they have lacked design guidelines until now. We derived a user-centered calculation model for such modules with regular internal structures. It was validated with Finite Element Analysis (FEA) and practical pressure tests for which the modules were manufactured additively. The performance of the calculation could be confirmed, and a design graph was derived. Slit-shaped modules with appropriate internal structures can withstand high pressure at a minimum wall thickness, and they are efficiently fabricated. These structures, being pins, fins, lattice, or heat transfer enhancing fluid-guiding elements (FGEs), occupied approximately 10% of the modules’ internal volume.
狭缝形快速成型反应器模块机械稳定性的简化设计方法
设备完整性是工艺工程的一个重要方面。设计准则有助于设计和生产操作安全、经济实惠的设备。薄壁狭缝型模块是通过增材制造(AM)工艺制造的工艺工程设备的一个子类别。由于会受到内部压力的影响,它们至今仍缺乏设计指南。我们为这类具有规则内部结构的模块设计了一个以用户为中心的计算模型。我们通过有限元分析(FEA)和实际压力测试对该模型进行了验证。计算的性能得到了证实,并得出了设计图表。具有适当内部结构的狭缝形模块可以在最小壁厚下承受高压,而且可以高效制造。这些结构包括销钉、鳍片、晶格或传热增强流体导向元件(FGE),约占模块内部体积的 10%。
本文章由计算机程序翻译,如有差异,请以英文原文为准。
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