Widiastuti, Ratih (2018) C1 - ARTIKEL & HASIL REVIEW (Study on the Leaves Densities as Parameter for Effectiveness of Energy Transfer on the Green Facade). Buildings, 8 (138): 10. pp. 1-14. ISSN 2075-5309

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Abstract

This research involves the study of two models of green facades and a model of bare wall.
A house miniature was used as thermal lab. The aim of the project is evaluating the performance of
energy transfer based on the various leaves densities on the green facade. Heat calculation was used
to calculate heat transfer on the wall surface. There are two kinds of leaves densities, 50% and 90%.
The data measurement show that the green facade has a significant cooling effect and more visible for
the facade with higher leaves densities. Respectively, from experiment I to experiment III, the average
of heat fluxes are 22.35 W/m2
, 8.76 W/m2
, and 0.60 W/m2 where in experiment III, the negative
heat flux occurred during day time due to interior surface temperature is higher than exterior surface
temperature. Lastly, higher leaves densities possibility can create a better cooling effect but also has
the risk of creating higher relative humidity, especially for the interior air layer.
Keywords: energy transfer; green facade; leaves density; modelling experiment

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