Indium alloy-sealed vacuum glazing development and context

Fang, Yueping; Hyde, Trevor; Arya, Farid; Hewitt, Neil; Eames, Philip C.; Norton, Brian; Miller, Seth

doi:10.1016/j.rser.2014.05.029

Cited by 76 publications

(43 citation statements)

References 42 publications

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“…Vacuum glazing, that has excellent thermal and sound insulation properties, can potentially reduce heat loss through building windows and walls. Vacuum glazing g consists of two sheets of plane glass, separated by a narrow vacuum gap with an array of support pillars, contiguously sealed together around their peripheries . The schematic diagram of vacuum glazing is shown in Figure .…”

Section: Introductionmentioning

confidence: 99%

“…Vacuum glazing g consists of two sheets of plane glass, separated by a narrow vacuum gap with an array of support pillars, contiguously sealed together around their peripheries. [3][4][5] The schematic diagram of vacuum glazing is shown in Figure 1. The role of the vacuum gap between the two glass sheets is to eliminate the conduction and convection across the glazing.…”

Section: Introductionmentioning

confidence: 99%

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Enhanced vacuum glazing bonding strength by anodic bonding‐assisted sealing method

Chen

Zhang

et al. 2019

Int J of Appl Glass Sci

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A novel sealing method of vacuum glazing is introduced in this study. Anodic bonding technology was used to enhance the bonding strength of the sealant of vacuum glazing. Two sheets of plane glass were sealed by V2O5‐P2O5‐TeO2 glass powder with low glass transition temperature (339.3℃) using anodic bonding‐assisted low‐temperature sintering. Through analyzing the results of Shear Strength test, the diagram of microstructures of the sealing bond taken by a micro Super‐depth Microscopy, Scanning Electron Microscope (SEM), and Energy Dispersive Spectrometer (EDS), the best bonding treatment schedule was determined for achieving the strongest bond. The experiment results show that anodic bonding has a dramatic influence on bonding performance. When the sealing temperature and bonding time are kept constant, the shear strength of the sample increases by increasing the bonding voltage. With the bonding temperature of 470℃ and the voltage of 600 V, the air tightness of the sealed sample is 3.9 × 10−9 Pa·m3/s. The improved bonding strength can enhance life‐time of vacuum glazing.

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Section: Introductionmentioning

confidence: 99%

Section: Introductionmentioning

confidence: 99%

Enhanced vacuum glazing bonding strength by anodic bonding‐assisted sealing method

Chen

Zhang

et al. 2019

Int J of Appl Glass Sci

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“…Electrically actuated switchable material filled double glazings in such large façade applications offer better control when compared with non-electrically activated switchable glazing. In additions, electrically actuated switchable glazings  offer more than one transmittance and intermittence transmittance by applying variable power [6][7][8][9];  can control glare [7][8][9][10];  provide daylight where spectrum has a positive influence on occupant comfort [8][9][10];  can be powered by connected with PV [11][12][13][14][15];  addition with vacuum glazing [16][17][18] electrically activated glazing can form a low heat loss switchable glazing [19][20][21][22][23][24][25];…”

Section: Introductionmentioning

confidence: 99%

Influence of atmospheric clearness on PDLC switchable glazing transmission

Ghosh

Norton²,

Mallick

2018

Energy and Buildings

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1 Highlights: Correlation between PDLC glazing transmittance and sky clearness index has been calculated.  Transmitted solar energy and SHGC were evaluated for different clearness index.  Single glazing transmittance was recommended for different azimuthal orientation of vertical plane PDLC glazing. ACCEPTED MANUSCRIPTA C C E P T E D M A N U S C R I P T Abstract:Electrically activated switchable polymer dispersed liquid crystal (PDLC) is suitable for adaptive windows. A particular type requires 20V to become 71% transparent while in the absence of power it is 27% transparent. Glazing transmission changes with light incident angle. As the clearness of a sky changes the fraction changes alter of direct insolation (that has an azimuthally changing incident) and diffuse insolation (that has a largely constant incident). Thus, the effective overall incident angle determining the glazing transmittance also changes. In this work for the first time, the variation of

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“…Figure 1 is a simplified representation of the technical framework of this study. Existing research on vacuum glazing has focused mainly on the position of the vacuum layer [8], radius and thermal conductivity of the filler [9], type of low-e coating and emissivity in the vacuum layer [10], and the development of sealing materials made of composite materials [11]. As described above, research on vacuum glass has been carried out continuously with a focus on improving the U-value since 2000 [3].…”

Section: Introductionmentioning

confidence: 99%

Energy Performance Assessment of a 2nd-Generation Vacuum Double Glazing Depending on Vacuum Layer Position and Building Type in South Korea

2017

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(1) Background: The application of high insulation to a building envelope helps reduce the heating load, but increases the cooling load. Evaluating the installation of high insulation glazing to buildings in climate zones with four distinct seasons, as in the case of South Korea, is very important; (2) Methods: This study compared the heating energy performance of four types of glazing, inside vacuum double glazing, outside vacuum double glazing, single vacuum glazing, and low-e double glazing, with fixed low-e coating positions on the inside of the room in a mock-up chamber under the same conditions. The annual energy consumption according to the building type was analyzed using a simulation; (3) Results: As the insulation performance of building envelopes has increased, the energy saving rate of inside vacuum double glazing has been increased further in office buildings. In residential buildings, the energy saving rate of inside vacuum double glazing with a low SHGC (solar heat gain coefficient) has become higher than that of outside vacuum double glazing; (4) Conclusions: Since the effects of SHGC on the energy saving rates are greater in high insulation buildings, SHGC should be considered carefully when selecting glazing in climate zones with distinct winter and summer seasons.

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Indium alloy-sealed vacuum glazing development and context

Cited by 76 publications

References 42 publications

Enhanced vacuum glazing bonding strength by anodic bonding‐assisted sealing method

Enhanced vacuum glazing bonding strength by anodic bonding‐assisted sealing method

Influence of atmospheric clearness on PDLC switchable glazing transmission

Energy Performance Assessment of a 2nd-Generation Vacuum Double Glazing Depending on Vacuum Layer Position and Building Type in South Korea

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