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Engineering Commons

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Engineering Science and Materials

Technological University Dublin

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Modelling

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Full-Text Articles in Engineering

Calculation Of Colouration Voltage For A Multifunctional Glazing Powered By Photovoltaic, Aritra Ghosh, Brian Norton, Aidan Duffy Oct 2013

Calculation Of Colouration Voltage For A Multifunctional Glazing Powered By Photovoltaic, Aritra Ghosh, Brian Norton, Aidan Duffy

Conference papers

Multifunctional glazing is a combination of various glazing systems and can comprise permutations of vacuum glazing, aerogel glazing, PV double glazing and Electrochromic (EC) glazing. It controls solar heat gain, improves thermal conductivity and can generate small scale electricity, in a variety of climates. The objective of this research is to investigate the switching voltage of multifunctional glazing, with respect to orientation, time of day and temperature of the system. We report a relation between temperature and voltage required for the switching condition.


Characterisation, Modelling And Simulation Of Flexible Polyurethane Foam, Conor Briody, Barry Duignan, Stephen Jerrams Jun 2011

Characterisation, Modelling And Simulation Of Flexible Polyurethane Foam, Conor Briody, Barry Duignan, Stephen Jerrams

Conference Papers

Flexible polyurethane foam is an open-celled polymeric material that exhibits strain rate and temperature effects. It has found various applications in areas including the packaging, medical, sports, aerospace and aeronautical industries. Polyurethane foam is ubiquitous in seating applications and finds particular use in specialised wheelchair seating where customised seating solutions are required which can provide proper comfort and support without the risk of developing pressure ulcers. Proper seating design is critical for users if this problem is to be avoided, but a lack of quantitative knowledge of this material’s behaviour has limited its effectiveness. The objectives of the work presented …