Design methodology for integrating multipath systems (building services)

Abstract

Purpose: Most multipath delivery systems, such as Building-Services (BSs) are arbitrary distributed with no known solution to reduce the complexity in the way channels are arranged. This paper reports on a geometrical integration methodology that can be used to organise some types of these systems.Methodology: Integration for optimal functionality through reduction of geometrical complexity is achieved by: (i) understanding the elements of complexity within current practices; (ii) identifying commonalities between the various components which can be used for integration; (iii) performing an axiomatic design to resolve design complications; (iv) adopting theory of inventive problem solving for methodology and process development toward optimal functionality (v) generating a mathematical solution to inform digital modelling of optimal design.The study takes into account thermophysical and electromagnetic interactions between utilities; and uses novel mathematical manipulations based on designing a manifold of spherical and cylindrical geometries joined using Bezier surfaces.Findings: Once a solution was reached Computer Aided Design iterations were undertaken for channelling six BSs into a single unit. The outcome was concentric cylindrical-spherical shells superimposed with spacings of typically few millimetres to deliver/distribute the utilities. Applied to bring together BSs into a single trunking system at minimal, yet appropriate, proximal distances and allows distribution of any number of services in any direction. Physical prototypes were produced and initial testing of their performance (reported elsewhere) has been encouraging. Originality:A design methodology for integrating arbitrary distributed paths/conduits. The approach could be incorporated into CAD tools as a design feature to facilitate integration of multipath delivery systems.

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