期刊
THERMAL SCIENCE
卷 25, 期 3, 页码 1827-1836出版社
VINCA INST NUCLEAR SCI
DOI: 10.2298/TSCI200217228K
关键词
capacitive sensor; mineral wool; moisture measurement; soil; green roof
资金
- Ministry of Education, Science and Technological Development of Serbia [III42008]
Moisture management in green roof systems is crucial for thermal and hydrological performances. Laboratory calibration shows that the capacitive moisture sensor has a good response to water content variation.
The environmental benefits of green roofs have been widely recognized. In recent years, increasing attention has been paid to moisture management in the green roof systems. The moisture in the green roof has an influence on its thermal and hydrological performances. An accurate measurement of water content in green roof substrate is important for irrigation monitoring, optimal irrigation management, and plant growth. Knowing the performance and characteristics of the sensor for the chosen substrate layer in a green roof system is essential. This paper presents laboratory calibration of the capacitive moisture sensor in two types of the green roof substrate layer. The volumetric water content of several mineral wool and soil samples, with the water content from low until saturated, were measured using the gravimetric method and related to frequency obtained by the sensor. The results have shown that the capacitive moisture sensor has a good response to water content variation.
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