NUMERICAL MODELING OF NATURAL LIGHTING, INSOLATION AND SUN PROTECTION
Article Sidebar
Main Article Content
Abstract
The article describes numerical modeling of geometric parameters of gratings, angular and temporal characteristics of light transmission and transmission of solar energy, optimization of natural lighting, insolation and sun protection, as well as heat inflow from solar radiation to assess the impact on the functioning of heating, ventilation and air conditioning systems (HVC).The angular characteristics of the filter are presented, a formula for determining the shift between the traces of the input on the plane of the output lattice at the characteristic angle of the filter and an arbitrary angle of incidence. In tabular, calculation formulas and light transmission characteristics are indicated for certain range boundaries, depending on the ratio of band widths.
The advantages of a smart window with a filter are also justified due to the possibility of any angle of inclination of the grilles compared to blinds, which cannot provide optimal sun protection at any azimuth of the window, and the figure shows a diagram of smart windows with different azimuths for a building with a round facade.
The expediency of using smart windows with grid filters in buildings with curved facades to increase the comfort of natural lighting and insolation, protection from direct sunlight is substantiated.
Article Details
This work is licensed under a Creative Commons Attribution 4.0 International License.
References
Zakirullin, R.S. & Odenbakh, I.A. (2019). Kharakteristika svetopropuskaniya smart-okon s uglovoi selektivnoi fil'tratsiei solnechnogo izlucheniya [Light transmission characteristics of smart windows with angular selective filtering of solar radiation]. Izv. vuzov. Str-vo [News of higher educational institutions. Construction], (4), 106–113. DOI: 10.32683/0536-1052-2019-724-4-106-113. (In Russ., abstr. in Engl.).
Zakirullin, R.S. & Odenbakh, I.A. (2019). Smart-okno s reshetochnym opticheskim fil'trom dlya dinamicheskogo kontrolya dnevnogo osveshcheniya [Smart window with grating optical filter for dynamic control of daylighting]. Izv. vuzov. Str-vo [News of higher educational institutions. Construction], (12), 96–107. DOI: 10.32683/0536-1052-2019-732-12-96-107. (In Russ., abstr. in Engl.).
Zakirullin, R.S. & Odenbakh, I.A. (2021). Dinamicheskii kontrol' estestvennogo osveshcheniya s pomoshch'yu smart-okna s reshetochnym opticheskim fil'trom [Daylighting dynamic control by smart window with grating optical filter]. Svetotekhnika [Light & Engineering], (3), 47–51. (In Russ., abstr. in Engl.).
Odenbakh, I.A. & Zakirullin, R.S. (2021). Optimizatsiya estestvennogo osveshcheniya i insolyatsii zdanii s krivolineinymi fasadami [Optimization of natural lighting and insolation in buildings with curved facades]. Academia. Arkhitektura i str-vo [Academia. Architecture and construction], (2), 111–116. DOI: 10.22337/2077-9038-2021-2-111-116. (In Russ., abstr. in Engl.).
Zakirullin, R.S. (2020). A smart window for angular selective filtering of direct solar radiation. J. Sol. Energy Eng., 142(1). DOI: 10.1115/1.4044059.
Seeboth, A., Ruhmann, R. & Mühling, O. (2010). Thermotropic and thermo-chromic polymer-based materials for adaptive solar control. Materials, 3(12), 5143–5168. DOI: 10.3390/ma3125143.