Assessment of the PVC Window Thermal Characteristics in Winter

Константинов, Александр; Krutov, A A; Tikhomirov, A. M.

doi:10.31659/0585-430x-2019-773-8-65-72

Cited by 3 publications

(1 citation statement)

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“…The accumulated experience of using these windows in the climatic conditions of the Russian Federation and some other countries shows that a number of typical problems are observed during their operation. It is revealed that even with the formal provision of all mandatory design requirements for the design windows solution according to the current standards often they are not able to meet the mandatory requirements for providing thermal protection, ensuring their tightness [5][6][7][8][9][10], in some cases, even the destruction of the windows components (insulated glass units, profiles) is observed [11]. Moreover, this situation is observed for both winter and summer operating conditions.…”

Section: Introductionmentioning

confidence: 99%

Criteria for climatic applicability of modern window types

et al. 2021

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Currently, the assignment of the required values of the technical and operational windows characteristics (such as resistance to heat transfer, air permeability, sound insulation, etc.) is carried out based on the technological capabilities of the window industry, and not on the basis of scientifically substantiated requirements for ensuring the microclimate and energy buildings efficiency in the design practice of most countries (as it happens in the case of external walls which are in almost identical operating conditions with windows, for example). One of the most common types of windows in modern construction practice are single windows with insulated glass units and profiles made of PVC and aluminum alloys. They were originally developed for operation in Western Europe where they have proven themselves well over many years of operation. However, their widespread use in the climatic conditions of the Russian Federation and the countries of Eastern Europe showed a number of problems during operation which is expressed in a decrease in the technical and operational characteristics of windows due to temperature deformations of their profile elements. This circumstance testifies to the limited area of application of these structures in terms of climatic conditions. The authors of the work introduce the concept of “climatic applicability of windows” in order to determine the rational application areas of types of windows which would ensure the fulfillment of the specified requirements for the comfort of the microclimate of the premises in any operation period of the building. Based on the results of the analysis of the work of third-party researchers and the authors own works the authors have determined a set of criteria for the climatic applicability of modern types of windows based on winter operating conditions. Promising areas for further research were considered.

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Section: Introductionmentioning

confidence: 99%

Criteria for climatic applicability of modern window types

et al. 2021

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Sound insulation of PVC windows at negative outdoor temperatures

Константинов

Verkhovsky

Lyabakova

2020

IOP Conf. Ser.: Mater. Sci. Eng.

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The PVC windows using experience in the climatic conditions of the Russian Federation shows that their profile elements are subject to temperature deformations under the influence of the temperature gradient of outdoor air and indoor air. This physical phenomenon is observed both in the summer and winter operation period. In this article we study the influence of external air negative temperatures into the sound insulation of PVC windows. The research was performed on a standard PVC window in a climate chamber with acoustic equipment. The PVC window sound insulation measurements were carried out at the following temperatures inside the cold compartment of the climate chamber+20 °C, 0°C, -5°C, -20°C (at a constant temperature in the warm compartment of the chamber + 20°C). It is established that the reduction of PVC windows sound insulation begins to occur only at outdoor temperatures below 0 °C. The sound insulation of PVC window at an outdoor temperature -20°C is 3 dB lower than the sound insulation of the same window, determined under standard conditions (+20 °C). Obviously, existing methods of calculation of sound insulation of PVC windows it is necessary to adjust in terms of operational ambient temperatures and design features of the windows.

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A Method for Evaluating the Daylighting of Premises Using BIM

Константинов

2021

L&E

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The paper presents a method for assessing the daylighting of premises, which can be used directly at the stage of architectural and construction design of buildings in building information model (BIM) software complexes. The calculation method is based on the calculation of the sky factor by constructing a solid angle formed by the calculated point and the light opening of the outer wall. These operations are proposed to be performed automatically using visual programming programs that work together with the BIM complexes. Since the considered calculation method is based on the idea of the physical meaning of the daylight factor, it can be used to evaluate the daylighting according to almost any regulatory method. At the same time, all the data necessary for the calculation can be obtained directly from the building information model. The method is universal and can be used both for the calculation of side and top daylighting, considering the surrounding development. The proposed method can also be used as a tool for finding the best design solution for translucent structures of the designed building based on the requirements of thermal protection, daylighting, and safety.

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Assessment of the PVC Window Thermal Characteristics in Winter

Cited by 3 publications

References 0 publications

Criteria for climatic applicability of modern window types

Criteria for climatic applicability of modern window types

Sound insulation of PVC windows at negative outdoor temperatures

A Method for Evaluating the Daylighting of Premises Using BIM

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