University of Twente Student Theses


TO Innovatie: een vlag - innovatie Een ontwerpstudie naar een standalone verlichte vlaggenmast.

Hout, D.F.M. van (2010) TO Innovatie: een vlag - innovatie Een ontwerpstudie naar een standalone verlichte vlaggenmast.

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Abstract:The bachelor industrial design at the University of Twente will be completed with this bachelor assignment. The assignment is realized for ‘To Innovate’. The purpose of this assignment is to make a design study on the illumination of a flag in rotobanner. The flagpole itself must provide in its own energy needs because the design will not be connected to the grid. The design study contains 3 main issues. • The energy supply • The illumination of the flag • The energy storage The energy supply Only two forms of renewable energy could be a suitable solution to supply energy to a standalone flagpole: photovoltaic’s (PV) and wind energy. Calculations proved that it was not possible to make a design which could supply energy on every spot in the Netherlands, using only one of these sources. A solution could be a combination of these two sources, or ignoring the requirement that the design should be standalone. The illumination This assignment contains illumination measurements of advertisement objects. Which were used as reference in a simulation. This simulation shows the amount of illumination needed to duplicate the range of values of the measurements for objects that are used in the same way as flagpoles. The simulation proves that each side of the flag needs 32 LEDs (1 W each / 100 lm/W). Due the lack of enough energy to supply these 32 W (32 LEDs), the decision is made to limit the amount of power to 20 W per side. The optimal result of the LEDs must be achieved with a carefully designed light fixture and reflectors. Energy storage This part of the design study, resulted in a understanding in which way the usage and the supply of energy must be connected. The lack of possibilities to store electrical energy over a long period in a standalone situation, results in an approach where the daily production of energy should be equal to the daily usage. A battery is added to supply energy in days with a temporarily lack of production.
Item Type:Essay (Bachelor)
TO Innovatie B.V.
Faculty:ET: Engineering Technology
Subject:51 materials science
Programme:Industrial Design BSc (56955)
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