Pengembangan Standar Material Untuk Selubung Bangunan Dalam Rangka Konservasi Energi Bangunan : (Studi Kasus pada Bangunan Pendidikan)

Binarti, Floriberta and Istiadji, Ag. Djoko (2011) Pengembangan Standar Material Untuk Selubung Bangunan Dalam Rangka Konservasi Energi Bangunan : (Studi Kasus pada Bangunan Pendidikan). In: Prosiding "Pertemuan dan Presentasi Ilmiah Standarisasi 2011, 14 Juli 2011, UGM Yogyakarta.

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Abstract

Energy crisis and global warming need effective programs in energy conservation. A simple and practical standard for energy conservation in building, which enables society and material producers to use, is an effective prescription and regulation. This paper presents preliminary study of the development of minimum requirements for energy-efficient material of education building in Yogyakarta based on overall thermal transfer value (OTTV) and daylighting criteria. Standard daylighting level for classroom with an even distribution and 45 W/m2 for the maximum OTTV are measures of energy efficiency. Simulations of the daylighting level and the distribution with considering the feasibility factor were conducted to define optimum window to wall ratio (WWR). Minimum requirements for the thermal transmittance (U), the shading coefficient (SC), the solar absorption (a) and the visible light transmittance (VT) were generated from the OTTV calculation of classroom model, which meets the daylighting criteria. The material’s embodied energy was considered in setting several combinations of SC, VT, α and U for each window orientation and typical WWR. Defining specific requirements for each window orientation and typical WWR resulted in higher maximum value of U, which then offers more possibilities in the design exploration and selecting low embodied energy materials. A development of this preliminary study based on recent climate conditions will create a simple, climate responsive and complete standard for building energy conservation.

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