Primary Seal Deformation in Multipane Glazing Units
Source abstract
Abstract
Quadruple glazing has become a high-end standard in the field of sealed insulating glass units. With more than three glass panes a set of internal heat-related technical problems emerges. Durability, being the most pressing problem, requires careful management of the primary sealant deformation, especially under summer environmental conditions. Namely, the role of the primary seal in insulating glass units is to protect their humidity-sensitive, low-emissivity coatings from moisture and the quality of such protection is a key factor in durability. In this paper, a new methodology is proposed for a feasibility assessment of a new multipane insulating glass unit design, where proper design enables avoidance of excessive strain on the primary seal. It focuses on the calculation of the primary sealant strains, which are nonhomogeneous and multiaxial according to different loading conditions. This approach leads to analytical expressions that enable convenient identification of the critical location on the primary sealant. Finally, feasibility is assessed with the proposed methodology for the newly developed highly insulative six-pane facade unit by means of a comparison of the calculated strain state with the anticipated allowable strains, based on technical practice.
Source: crossref · Quality: baseline
Research context
OpenAlex topics: Structural Analysis of Composite Materials · Building Energy and Comfort Optimization · Laser Material Processing Techniques
SciVX discovery tags are terminology-based. OpenAlex topics are source-provided classifications.
Affiliations
Faculty of Mechanical Engineering, University of Ljubljana, Aškerčeva 6, 1000 Ljubljana, Slovenia
Reflex Gornja Radgona d.o.o., Podgrad 4, 9250 Gornja Radgona, Slovenia
Funding
Javna Agencija za Raziskovalno Dejavnost RS
References (30)
Show source-provided references
1. Stetson, T.D. (1865). Improvement in Window Glass. (49167), U.S. Patent.
2. Window spacers and edge seals in insulating glass units: A state-of-the-art review and future perspectives10.1016/j.enbuild.2012.10.006 ↗
3. Carbary, L.D., and Kimberlain, J.H. (2018). Structural silicone glazing: Optimizing future designs based on historical performances. Intell. Build. Int., 1–11.10.1080/17508975.2018.1544881 ↗
4. Klosowski, J., and Wolf, A.T. (2016). Sealants in Construction, CRC Press. [2nd ed.].10.1201/b18995 ↗
5. Torok, G.R. (2007, January 21–23). Predicting Time-to-Fogging of Insulating Glass Units. Proceedings of the 11th Canadian Conference on Building Science and Technology, Banff, Alberta.
6. Environmental conditions in window frames with double-glazing units10.1016/S0950-0618(98)00008-7 ↗
7. The history, scientific basis and application of international IGU durability tests10.1016/S0360-1323(98)00025-0 ↗
8. Gas loss of insulating glass units under load: Internal pressure controlled permeation test10.1007/s40940-016-0026-1 ↗
9. Evolution of all-glass nearly Zero Energy Buildings with respect to the local climate and free-cooling techniques10.1016/j.buildenv.2019.106183 ↗
10. Investigations of 6-pane glazing: Properties and possibilities10.1016/j.enbuild.2019.02.033 ↗
11. Wolf, A.T. (2004, January 15–16). Silicone Sealed Insulating Glass Units. Proceedings of the ISAAG—International Symposium on the Application of Architectural Glass-Engineering and Architectural Design of Glass, Munich, Germany.
12. Factors governing the life expectancy of dual-sealed insulating glass units10.1016/0950-0618(93)90039-F ↗
13. Analytical modeling to predict thermal shock failure and maximum temperature gradients of a glass panel10.1016/j.matdes.2017.08.021 ↗
14. A New Reactive Thermoplastic Spacer with Excellent Durable Energy Efficiency for Structural Glazing Façades
15. Accelerated ageing and durability of double-glazed sealed insulating window panes and impact on heating demand in buildings10.1016/j.enbuild.2016.01.015 ↗
16. IGMA-GANA (2017). TB-1250-XX, Polyisobutylene (PIB) Primary Sealant, Insulating Glass Manufacturers Alliance, Glass Association of North America.
17. New development in the field of insulating glass units10.1016/0950-0618(88)90042-6 ↗
18. Studies into the Life-Expectancy of Insulating Glass Units10.1016/0360-1323(92)90032-K ↗
19. Sealant aging and its correlation with facade reflectance10.1016/j.conbuildmat.2014.07.063 ↗
20. Evaluation of inside surface condensation in double glazing window system with insulation spacer: A case study of residential complex10.1016/j.buildenv.2005.10.015 ↗
21. Thermally improved triple-glazing windows considering the condensation resistance (TDR) and thermal transmittance (U-factor) to meet Korean standards10.1007/s12273-018-0496-y ↗
22. Wolf, A.T. (2002). Design and Material Selection Factors That Influence the Service-Life and Utility Value of Dual-Sealed Insulating Glass Units, Dow Corning SA.
23. Grynning, S., Jelle, B.P., Gustavsen, A., Gao, T., and Time, B. (2016, January 22–25). Multilayer glazing technologies: Key performance and future perspectives. Proceedings of the CLIMA 2016—12th REHVA World Congress, Aalborg, Denmark.
24. Hagl, A. (2012). Experimental and Numerical Analysis of Edge Seal Spacers of Insulated Glass Units for Structural Sealant Glazing Applications. Challenging Glass 3, Delft University Press.
25. Quantification of Differential Thermal Movement in Insulating Glass Edge Seals Using Finite Element Analysis10.1520/JAI13121 ↗
26. Nonlinear elastic finite fracture mechanics: Modeling mixed-mode crack nucleation in structural glazing silicone sealants10.1016/j.matdes.2019.108057 ↗
27. Window (2016). Window 7.4 Manual, Lawrence Berkeley National Laboratory, Window.
28. The profile of a capillary liquid bridge between solid surfaces10.1119/1.3273854 ↗
29. Abaqus (2020, February 19). Abaqus 6.12 Documentation, Dassault Systemes. Available online: http://130.149.89.49:2080/v6.12/index.html.
30. SIKA (2016). SIKA Facade Systems: Sealing and Bonding in Facades—Specification Guide, Innovation and Consistency.