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Combination of a solar map of 56 ° N with the trajectory of the sun in April-August with a cartogram of a given light transmission.
Source publication
The analysis of the current codes for the insolation in apartments has been done by the authors. It is shown that the insolation assessment during exposure is not sufficiently correct. The current codes do not take into account the amount of solar energy, the transmittance of UV radiation with double-glazed windows, the dimensions of light openings...
Contexts in source publication
Context 1
... Determination of the total intensity (Stotal) of UV radiation coming to glazing at each hour of exposure formula (1) Classic Clear, kts = 0.06 (see Table 3). The coordinates of the sun are determined by the solar map ( Figure 2) and are presented in calculation Table 5 (lines 1 and 2). By building a cartogram of the light beam, vertical (45°) and horizontal (120°) insolation angles are determined, which are plotted on the solar map (Figure 2). ...
Context 2
... coordinates of the sun are determined by the solar map ( Figure 2) and are presented in calculation Table 5 (lines 1 and 2). By building a cartogram of the light beam, vertical (45°) and horizontal (120°) insolation angles are determined, which are plotted on the solar map (Figure 2). A database of direct and scattered UV solar radiation intensities with wavelengths <315 nm is presented in Table 7 of the Construction Climatology Manual [21]. ...
Context 3
... Turning to the considered example of the energy calculation of room insolation, it should be noted that the total energy at 6, 7, 8, 9, 10 hours and half the energy at 11 hours come to the light ray, (see Figure 2). With such influx of UV solar energy into the living room, an energy calculation of its insolation was performed, which is presented in Table 5. ...
Context 4
... such influx of UV solar energy into the living room, an energy calculation of its insolation was performed, which is presented in Table 5. From Figure 2 it follows that the duration of insolation of a given room is 5.5 hours, which exceeds 2 hours of exposure according to the requirements of SanPiN [8]. However, the sanitary and hygienic well-being of the room will not be achieved, because the energy dose of UV radiation in the air of the room and on its surfaces does not provide bactericidal radiation efficiency: Δair = 18,2 < 39 J/m 3 и Δs = 10,3 < 15 J/m 2 . ...
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