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Thread: Design Optimization of Polymer Heat Exchanger for Specialized Water Pasteurizer

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    Design Optimization of Polymer Heat Exchanger for Specialized Water Pasteurizer

    A promising approach to reducing the >870,000 deaths/year globally from unsafe water is flow-through solar water pasteurization systems (SWPs). Unfortunately, demonstrated systems have high capital costs, which limits access for the poor. The most expensive component of such systems is the heat exchanger (HX). Thus, this study focuses on cost optimization of HX designs for flow-through SWPs using high-effectiveness polymer microchannel HXs. The theoretical foundation for the cost optimization of a polymer microchannel HX is provided, and outputs are plotted in order to provide guidelines for designers to perform HX optimizations. These plots are used in two case studies: (1) substitution of a coiled copper HX with polymer microchannel HX, and (2) design of a polymer microchannel HX for a 3-D printed collector that can fit in an arbitrary build volume. The results show that substitution of the polymer expanded HX reduced the overall expenditure for the system by a factor 50, which aids in making the system more economical. For the second case study, the results show how future system designers can optimize an HX for an arbitrary SWP geometry. The approach of distributed manufacturing using laser welding appears promising for HX for SWP.

    Design Optimization of Polymer Heat Exchanger for Specialized Water Pasteurizer-700px-swp-hx-con.png

    For more information, go here:
    https://www.appropedia.org/Design_Op...er_Pasteurizer

    Download the paper here:
    https://www.academia.edu/36461234/De...er_Pasteurizer


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