Thermal Assessment of a Novel Drywall System Insulated with VIPs

Atsonios, Ioannis A.; Mandilaras, Ioannis D.; Founti, M.

doi:10.3390/en12122373

Cited by 9 publications

(9 citation statements)

References 39 publications

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“…In general, the blends developed in this study presented an average density of 950 kg/m 3 with a mean thermal conductivity of 0.22 W/m K. When compared to some materials traditionally used by construction industries such as the gypsum and cement boards, a thermal conductivity of 0.27 and 0.35 W/m K, respectively, was presented but with a higher density than PP/LGNa blends, ranging from 1033 to 1150 kg/cm 3 [ 30 ].…”

Section: Resultsmentioning

confidence: 99%

Assessment of Morphological, Physical, Thermal, and Thermal Conductivity Properties of Polypropylene/Lignosulfonate Blends

et al. 2021

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Lignosulfonate is a cheap material available in large quantities obtained as a byproduct of paper and cellulose. In this work, blends of polypropylene (PP) and sodium lignosulfonate (LGNa) were developed to evaluate the potential use of lignosulfonate as a lightweight, thermal insulation and flame retardant material. The blends were obtained by mixing in a torque rheometer and molded after compression. The blend proprieties were evaluated by physical, morphological, thermal, thermal conductivity, and flammability tests. The measured values were compared with theoretical models. The results indicated that a heterogeneous blend with a higher number of separated domains is formed when the LGNa content increases from 10 to 40 wt%. In addition, the density and thermal conductivity coefficient of the blends studied are not affected by the addition of LGNa. However, when the LGNa content in the blend exceeds 20 wt% the thermal stability and flame retardant proprieties are considerably reduced. The theoretical models based on the rule of mixtures showed a good agreement with the experimental values obtained from blend density, thermal conductivity, and thermal stability. In general, lignosulfonate tested in this work shows potential to be used as a reactive component in polymer blends.

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Section: Resultsmentioning

confidence: 99%

Assessment of Morphological, Physical, Thermal, and Thermal Conductivity Properties of Polypropylene/Lignosulfonate Blends

et al. 2021

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“…The installation of the sensor outside the cold storage is installed behind the cold storage trucks to prevent wind and pressure coming into contact with the sensor, resulting in inaccurate measurements. The Temperature measurement location, as shown in Figure 5 [15] and how to install an additional VIPs in a cold room, as shown in Figure 6 [16].…”

Section: Methodsmentioning

confidence: 99%

The Green Logistics Idea using Vacuum Insulation Panels (VIPs)

Issaro

Saengsikhiao

Taweekun

et al. 2021

ARFMTS

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This research aims to reduce fuel consumption in transportation systems using vacuum insulation panels (VIPs) for cold storage trucks. The material was vacuum Insulation Panels (VIPs) is a custom-made insulator using glass fibers pressed at 10 tons per square meter and the thermal conductivity conditions of the selected materials ranged between 0.0028 and 0.007 W/mK and has a size of 12 mm comparative experiment method of cold storage trucks equipped with VIPs and without VIPs of 4 model frozen cars. Which has Model 1 (4 Wheels Truck), Model 2 (4 Wheels large Truck), Model 3 (6 Wheels Truck), and Model 4 (10 Wheels Truck). The sensor installation in the cold room is distributed in every wall to achieve differentiation and distribution of cold temperatures. The results are calculated as the energy saving result, it was found Model 1 (4 Wheels Truck) have best fuel savings. This research can apply other types of cold storage trucks or research in the same way as the air wall by inserting VIPs insulation inside the external insulation to reduce heat transfer.

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“…In the literature, research studies focusing on the indoor thermal environment of the LSF construction system can be found, including the monitoring of test cells with significant dimensions and current construction solutions [24][25][26]; however, these studies overlook construction features representative of real structures, such as windows, limiting the correlation with real scenarios. Moreover, some experimental comparative studies between high and low thermal inertia construction methods can also be found in the literature; however, the climates involved are very different from Southern European, with a prevalence of hot-arid desert [27,28], hot-summer [29], oceanic temperate [30], and subtropical humid [31] climates.…”

Section: Introductionmentioning

confidence: 99%

Indoor Thermal Environment Challenges of Light Steel Framing in the Southern European Context

2021

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Over the past decades, Southern European residential architecture has been typically associated with heavyweight hollow brick masonry and reinforced concrete construction systems; however, more industrialised alternative systems have been gaining a significant market share, such as the light steel framing (LSF). Regardless of the proliferation of LSF buildings, a lack of experimental research studies have been performed on this construction system in terms of the indoor thermal environment and thermal comfort in the Southern European climate context. Moreover, a research gap also exists regarding experimental comparisons with typical brick masonry buildings. The present study focused on this research gap by characterising and comparing the performance of these two construction systems. A long-term experimental campaign was carried out, involving the construction and monitoring of two identical test cells, differing only by construction system. The test cells were located in Portugal and were monitored over an entire year. The results revealed that the LSF experimental test cell presented higher daily indoor air temperature fluctuations, leading to more extreme maximum and minimum values, closely following the outdoor dry bulb temperature variations. The more responsive behaviour was also reflected in the indoor thermal comfort analysis, with the LSF cell presenting slightly worse performance; however, some advantages were also observed regarding the LSF construction system, which could provide benefits during intermittent residential occupation, especially in mild climates, in which overheating is not a major concern.

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Thermal Assessment of a Novel Drywall System Insulated with VIPs

Cited by 9 publications

References 39 publications

Assessment of Morphological, Physical, Thermal, and Thermal Conductivity Properties of Polypropylene/Lignosulfonate Blends

Assessment of Morphological, Physical, Thermal, and Thermal Conductivity Properties of Polypropylene/Lignosulfonate Blends

The Green Logistics Idea using Vacuum Insulation Panels (VIPs)

Indoor Thermal Environment Challenges of Light Steel Framing in the Southern European Context

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