A PRELIMINARY STUDY ON VEGETATIVE SHADING TO MINIMISE GLARE

Christina E. Mediastika, Floriberta Binarti




Abstract


In low cost housing of warm humid regions where natural ventilation is usually employed, the presence of large openings will also cause unnecessary glare and heat gain of solar radiation This paper reports a preliminary study to handle glare issue without impairing natural ventilation. The use of climbing vegetation planted on a frame with fully adjusted foliage dense as shading devices is investigated. The frame is placed at the most possible position of the low cost housing and two variables, i.e. foliage porosity and leaf surface reflectance is studied using two computational simulation methods. Radiance is employed to calculate glare index after the vegetative shading and Brevent is used to assess ventilation flow rates occurred indoors toward indoors thermal comfort of the modelled housing. The study indicates that using climbing vegetation is possible for both reducing glare and supplying the required ventilation flow rates at the same time.


Keywords


glare, vegetative shading, ventilation flow rates

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Template DIMENSI

The Journal is published by The Institute of Research & Community Outreach - Petra Christian University. It available online supported by Directorate General of Higher Education - Ministry of National Education - Republic of Indonesia.

©All right reserved 2016.Dimensi, ISSN: 0126-219X, e-ISSN: 2338-7858

 

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