Structural Behavior of Water Flow Glazing: Stress and Elastic Deformation Considering Hydrostatic Pressure

Fernando Del Ama Gonzalo (), Belén Moreno Santamaría, Javier Escoto López and Juan Antonio Hernández Ramos
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Fernando Del Ama Gonzalo: Department of Sustainable Product Design and Architecture, Keene State College, 229 Main St., Keene, NH 03435, USA
Belén Moreno Santamaría: Department of Construction and Architectural Technology, Technical School of Architecture of Madrid, Universidad Politécnica de Madrid, Av. Juan de Herrera, 4, 28040 Madrid, Spain
Javier Escoto López: Department of Applied Mathematics, School of Aeronautical and Space Engineering, Universidad Politécnica de Madrid, Plaza Cardenal Cisneros 3, 28040 Madrid, Spain
Juan Antonio Hernández Ramos: Department of Applied Mathematics, School of Aeronautical and Space Engineering, Universidad Politécnica de Madrid, Plaza Cardenal Cisneros 3, 28040 Madrid, Spain

Sustainability, 2023, vol. 15, issue 20, 1-19

Abstract: The fluid inside a Water Flow Glazing (WFG) panel creates a linear pressure distribution along the vertical dimension. Tension stress can cause problems with the sealant; compression stress can cause deflections in the glass panel. Increasing the glass thickness until the deflection is below the required limit implies more weight and cost of the glazing. Another solution is to limit glass deflection by inserting pillars or stripes into the cavity between two glass panes. The novelty of this article was to test a High-Order Finite Difference Method for linear and non-linear models to evaluate the effect of hydrostatic pressure produced by the fluid chamber on WFG panels. The methodology was tested on two case studies to assess the tension and deflection of the glass panes to guarantee the structural stability of WFG. The main conclusion drawn was that a linear plate model was sufficient to dimension the width, length, and thickness of the WFG panel. Furthermore, the mathematical model provided criteria to keep the glass tension below 45 MPa for tempered glass and the maximum deflection as the minimum between 1‰ of the glass height and 10% of the water chamber thickness. Introducing pillars or stripes solved hydrostatic pressure problems when the panel’s height was above 1.5 m.

Keywords: water flow glazing; hydrostatic pressure; high-order structural simulation (search for similar items in EconPapers)
JEL-codes: O13 Q Q0 Q2 Q3 Q5 Q56 (search for similar items in EconPapers)
Date: 2023
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