Widiastuti, Ratih (2023) C4 - ARTIKEL & HASIL REVIEW (OPTIMASI SECONDARY SKIN UNTUK KUALITAS PENCAHAYAAN ALAMI. STUDI KASUS GEDUNG FAKULTAS SENI DAN DESAIN UNIVERITAS NEGERI SURABAYA). MODUL, 32 (2). pp. 95-109. ISSN 2598-327X

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Abstract

This study discussed the evaluation of building façade to
support natural lighting distribution inside the rooms.
The simulation method using DIALux Evo software was
conducted here. The results from simulations compared
to the lighting standard from SNI 6197-2011. The study
object was the Faculty Building of Art and Design of
State University of Surabaya. According to the
simulation, 40% - 70% distribution of average natural
lighting intensity exceeded 1000 Lux. It caused people
who stayed inside the room to feel uncomfortable due to
glare. To reduce the light intensity inside the room,
additional layers on the exterior façade were added.
There were two recommendations i.e., vertical, and
horizontal secondary skin. The results showed the
vertical secondary skin was able to reduce the natural
lighting intensity from 279 Lux to 1112 Lux in the
morning and from 256 Lux to 879 Lux in the afternoon.
While the horizontal secondary skin reduced the lighting
intensity from 146 Lux to 1274 Lux and from 143 Lux –
592 Lux in the afternoon. Even though the horizontal
secondary skin was able to reduce higher lighting
intensity, yet visual discomfort was found at several
rooms. Therefore, in this study, the vertical secondary
skin was more suitable in reducing and distributing the
natural lighting in the room.
Keywords: DIALux Evo; façade design; natural lighting
simulation; secondary skin; wall opening

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