Results 171 to 180 of about 1,041 (200)
A new low-temperature hermetic composite edge seal for the fabrication of triple vacuum glazing [PDF]
Vacuum, 2015 High performance low-cost vacuum glazing is a key development in the move to more energy-efficient buildings. This study reports the results of experimental and theoretical investigations into the development of a new low-temperature (less than 200˚C ...
Saim Memon +2 more
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Temperature-induced stresses in vacuum glazing
Solar Energy, 1998A temperature difference across a sample of vacuum glazing causes differential expansion of one glass sheet relative to the other. In vacuum glazing with a fused edge seal, this results in tensile and compressive stresses in the glass sheets, and bending of the structure.
T.M Simko +2 more
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Research Progresses of Vacuum Glazing and BIPV
Key Engineering Materials, 2016Insulating glass is the main function material of the building curtain wall and building windows and doors, which plays a significant role in the energy-saving function more than 50% of the whole building. In recent years, the thermal insulating property and sound insulating property of insulating glass improves greatly with the combination of vacuum ...
Jian Zhou, Na Wang, Da Chuan Xie
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Vacuum breakdown at a glazed ceramic surface
Proceedings of the Institution of Electrical Engineers, 1964Titania ceramic discs, used in evacuated high-power microwave structures, can be made to withstand higher electric intensities by coating the ceramic surfaces with a thin layer of a lead-borate glaze. This improvement was noted in static and microwave fields, the value of the tangential electric intensity required to cause breakdown being similar in ...
R. Hayes, G.B. Walker
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Current status of the science and technology of vacuum glazing
Solar Energy, 1998Abstract This paper reviews the current state-of-the-art of the science and technology of vacuum glazing. The construction of vacuum glazing, and its method of manufacture in the laboratory, is described. Experimental data are presented on the magnitude of heat flows through vacuum glazing. Gaseous heat transfer is negligible, and the internal vacuum
R.E. Collins, T.M. Simko
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Long-term field tests of vacuum glazing
Solar Energy, 1997This paper describes the first long-term field tests done on vacuum glazing. In this preliminary study, glazing samples were mounted in an outdoor environment and observed for more than one year. The effects of large temperature differences and thermal cycling on the thermal performance and the mechanical stability of the glazings have been ...
M. Lenzen, R.E. Collins
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Analysis of the internal glass surfaces of vacuum glazing
Materials Science and Engineering: B, 2007XPS has been used to study the internal glass surfaces of vacuum glazing. In order to retain the vacuum state of the sample and to avoid carbon contamination of the test area, specially evacuated samples were designed in this study. A customized sample holder was made and a lever device was incorporated into the preparation chamber of an XPS system to ...
L. So, N. Ng, M. Bilek
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Stresses in vacuum glazing fabricated at low temperature
Solar Energy Materials and Solar Cells, 2007This paper reports an experimental and theoretical study of the stresses in and durability of vacuum glazing fabricated at low temperature using an indium based edge seal. For the first time a finite-element model with support pillars incorporated directly, enabled the stresses in the whole structure to be explicitly calculated.
J. Wang +4 more
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Thermal and optical evolution of gas in vacuum glazing
Materials Science and Engineering: B, 2005The mechanisms associated with gas evolution in vacuum glazing have been studied. When sealed samples of vacuum glazing are stored at a high temperature or under sunlight, the pressure within these devices is observed to increase. When the temperature of a thermally stored sample is reduced, the internal pressure is observed to recover, at least ...
N. Ng, R.E. Collins, L. So
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Vacuum glazing—A new component for insulating windows
Building and Environment, 1995Abstract The substantial progress in the science and technology of vacuum glazing that has occurred over the past few years is reviewed. Vacuum glazing up to 1 m × 1 m in size has been produced with an air-to-air, mid-device thermal conductance as low as 0.90 W m−2 K−1, compared with 1.3 W m−2 K−1 for high performance double glazing.
R.E. Collins +8 more
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