Open AccessThe Influence of the Sound Absorber Application to the Acoustics Conditions and the Thermal Transfer Value of the Building Envelope in Open Plan Office
Author(s) -
Y. Khaliddazia,
Joko Sarwono,
Anugrah Sabdono Sudarsono,
Nurul Hidayah
Publication year - 2021
Publication title -
iop conference series. earth and environmental science
Language(s) - English
Resource type - Journals
SCImago Journal Rank - 0.179
H-Index - 26
eISSN - 1755-1307
pISSN - 1755-1315
DOI - 10.1088/1755-1315/738/1/012011
Subject(s) - building envelope , acoustics , soundproofing , reverberation , open plan , thermal insulation , thermal , materials science , heat transfer , air gap (plumbing) , thermal comfort , work (physics) , mechanical engineering , engineering , composite material , physics , mechanics , civil engineering , meteorology , layer (electronics)
In open plan office concept, the acoustical distraction problems have become a common problem. Besides, it also needs to deal with thermal issues to have a comfortable work environment. Since the concern of sustainable design is highly discussed, design solutions need to consider energy-saving and environmental health. Commonly sound absorber materials are used to improve acoustics quality. To increase the absorptance, the absorber is installed with air gap and filled with additional insulation e.g. mineral wool. These extra layers potentially give benefit to reduce the thermal transfer when being applied on the envelope walls and ceilings. It is because some of the sound absorber material, air gap, and mineral wool have a low thermal conductivity resulting in lower thermal transfer. This research observes the influences of various sound absorber applications on the acoustics condition and also the impact on the overall thermal transfer value (OTTV and RTTV). The thermal transfer calculation refers to Indonesia National Standard SNI-03-6389-2000, while the rooms acoustics is simulated with Software CATT Acoustics v9 referring to BS EN ISO 3382-3:2012. Absorber materials that been involved are wood wool and PET panel. The result shows that wood wool that applied with 30 mm air gap and additional insulation have reduced the OTTV and RTTV of the room envelope. The initial room condition with Reverberation Time 3.71 second has been reduced to 0.48 second, while OTTV and RTTV are reduced from 48.65 W/m 2 and 37.38 W/m 2 become 44.24 W/m 2 and 14.27 W/m 2 respectively.