Effect of Insulation Ground on Anti-condensation in Rural Residence

Qian, Huibo; Tang, Mingfang; Wang, Dong; Fang, Jinzhong

doi:10.1016/j.proeng.2017.04.168

Cited by 2 publications

(2 citation statements)

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“…In engineering, moisture-proof measures such as floor insulation and floor overhangs are typically used to passively elevate the surface temperature. Qian et al [4] stated that construction with a 50 mm insulation layer (thermal resistance is 0.49 m 2 •K/W) can help to reduce the condensation risk in Chongqing. Tang et al [5] optimized a common ventilation overhead floor and proposed a seasonal ventilation control strategy.…”

Section: Introductionmentioning

confidence: 99%

An Anti-Condensation Radiant Heating Floor System in Buildings under Moistening Weather

Liang

Lan

et al. 2023

Sustainability

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In most regions of southern China, condensation frequently occurs on building surfaces during the period from March to April. This phenomenon has been affecting people’s safety and structural properties. This article proposes an innovative anti-condensation floor system based on the reverse Carnot cycle. The evaporation side treats the air and reduces the moisture content, and the heat extracted from the condensation side is recovered by a heat exchanger and transferred to the floor through capillary mats. Simulation studies of the dynamic operation performance have been conducted through the TRNSYS 18 software. The results show that an innovative anti-condensation floor system can effectively keep the floor dry in Guilin. At the same time, regarding the indoor comfort level index, the PMV value is within ±0.5, and the energy consumption of the system is 42% less than that of the cooling dehumidification system. The system also performs well in representative cities where the air moisture content is less than 12 g/kg. This article also provides a reference for the feasibility of radiant floor systems in humid climate areas.

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Section: Introductionmentioning

confidence: 99%

An Anti-Condensation Radiant Heating Floor System in Buildings under Moistening Weather

Liang

Lan

et al. 2023

Sustainability

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“…You et al 6 studied the phenomenon of moisture condensation and found the typical places where moisture condenses. Qian et al 7 determined that additional layers of insulation on the ground beneath a rural house could regulate the indoor air temperature and prevent ground condensation. Tudiwer et al 8 used measurements in classrooms to confirm the humidifying effect of an indoor green wall system using potted plants during winter and its regulation effect on the concentration of mold spores during summer.…”

Section: Introductionmentioning

confidence: 99%

Humidity control effect of vapor‐permeable walls employing hygroscopic insulation material

et al. 2019

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Airtight construction and high‐performance thermal insulation materials are commonly considered important building features to enhance indoor thermal comfort while reducing thermal load. However, when water vapor is generated in such airtight indoor spaces, it cannot be discharged to the outside, causing interstitial condensation and subsequent intrusion of moisture into the walls. Hygroscopic building materials such as cellulose fiber insulation (CFI), characterized by high water capacity, are a potential countermeasure against such condensation. In this study, the humidity control performance of external walls containing CFI was evaluated using data measured inside a demonstration house and calculated by numerical simulations based on thermodynamic chemical potential theory. The changes in moisture adsorption and desorption were then evaluated for different wall constructions and different climate conditions using a parameter sensitivity analysis. Finally, the effective application of CFI to prevent interstitial condensation was confirmed by comparing different wall compositions.

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Effect of Insulation Ground on Anti-condensation in Rural Residence

Cited by 2 publications

References 0 publications

An Anti-Condensation Radiant Heating Floor System in Buildings under Moistening Weather

An Anti-Condensation Radiant Heating Floor System in Buildings under Moistening Weather

Humidity control effect of vapor‐permeable walls employing hygroscopic insulation material

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