NDLI: Thermal performance of naturally ventilated test building with pitch and ceiling insulation

Content Provider	IEEE Xplore Digital Library
Author	Morris, F. Ahmed, A.Z. Zakaria, N.Z.
Copyright Year	2011
Description	Author affiliation: Faculty of Applied Science Universiti Teknologi MARA, 40450 Shah Alam, Malaysia (Ahmed, A.Z.; Zakaria, N.Z.) \|\| Institute of Science, Universiti Teknologi MARA, 40000 Shah Alam, Malaysia (Morris, F.)
Abstract	A field study was carried out to evaluate the benefits of insulated roof and insulated ceiling for naturally ventilated buildings in Malaysia. Two identical test cells with dimensions of 4m × 4m × 3m were used as building samples. Both test cells have identical design and were constructed with conventional building envelope. The non-insulated control unit is named as Test Cell A (TCA) while the insulated test unit is named as Test Cell B (TCB). Conductive thermal insulation of R-value 2.22 $(m^{2}K/W)$ and 2.88 $(m^{2}K/W)$ was consecutively installed at the roof pitch and internal ceiling respectively. For each insulation configuration, the outdoor and indoor environmental data for both test cells were concurrently monitored using automated data logging equipments. Data logging duration was five days for roof pitch insulation and ten days for ceiling insulation. This paper presents the findings on thermal impact on the non-insulated Test Cell A and insulated Test Cell B. These are appraised by the respective indoor temperature. The finding shows that pitch insulation and ceiling insulation lower the daytime indoor temperature up to 0.8°C and 0.6°C respectively. However, both have adverse impact at night. It is concluded that both pitch and ceiling insulations are beneficial to reduce the day-time thermal impact. The impact is more significant with the pitch insulation. Due to the nominal temperature differential to determine the benefits on the thermal comfort conditions, a cooling load analyses could further substantiate the advantage and disadvantage of the insulation.
Starting Page	221
Ending Page	226
File Size	551968
Page Count	6
File Format	PDF
ISBN	9781457703409
e-ISBN	9781457703423
DOI	10.1109/ISESEE.2011.5977093
Language	English
Publisher	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Publisher Date	2011-06-01
Publisher Place	Malaysia
Access Restriction	Subscribed
Rights Holder	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Subject Keyword	Resistance Temperature sensors Building Insulation Temperature distribution Buildings Materials Thermal insulation Space heating Thermal performance Natural ventilation
Content Type	Text
Resource Type	Article

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