glassdbase: 'BVB'

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'BVB': Be 4/6 Seitenscheibe

6mm
Artikel Nr. 29 23 30
'BVB'

Reference number: S003

Brief information Transmittance Total solar energy transmittance Selectivity index General color rendering index

Transmittance T_e, T_v, T_e/T_v Diagram

	Solar direct transmittance T_e [info]
	Light transmittance T_v [info]
	T_e/T_v [info]

T_e	T_v	T_e/T_v	Angle of incidence
0.442	0.734	0.602	0°
0.437	0.729	0.599	15°
0.424	0.719	0.590	30°
0.401	0.697	0.576	45°
0.389	0.682	0.571	50°
0.374	0.662	0.565	55°
0.354	0.633	0.560	60°
0.327	0.591	0.554	65°
0.310	0.563	0.551	67.5°
0.290	0.530	0.548	70°
0.266	0.488	0.546	72.5°
0.230	0.424	0.544	75°

Reflectance R_e, R_e' Diagram

	Solar direct reflectance R_e [info]
	Solar direct reflectance, inverted light propagation R_e' [info]

R_e	R_e'	Angle of incidence
0.058	0.056	15°
0.060	0.057	30°
0.069	0.066	45°
0.077	0.074	50°
0.090	0.087	55°
0.111	0.108	60°
0.145	0.142	65°
0.169	0.165	67.5°
0.200	0.196	70°
0.237	0.231	72.5°
0.286	0.278	75°

Absorptance A_e, A_e' Diagram

	Solar direct absorptance A_e [info]
	Solar direct absorptance, inverted light propagation A_e' [info]

A_e	A_e'	Angle of incidence
0.505	0.507	15°
0.516	0.518	30°
0.530	0.532	45°
0.534	0.536	50°
0.536	0.538	55°
0.535	0.537	60°
0.528	0.531	65°
0.521	0.525	67.5°
0.510	0.514	70°
0.497	0.502	72.5°
0.484	0.492	75°

Total solar energy transmittance g, g' Diagram

	Total solar energy transmittance g [info]
	Total solar energy transmittance, inverted light propagation g' [info]

g	g'	Angle of incidence
0.601*	0.602*	0°
0.600	0.601	15°
0.591	0.592	30°
0.572	0.573	45°
0.562	0.563	50°
0.547	0.548	55°
0.527	0.528	60°
0.498	0.499	65°
0.479	0.480	67.5°
0.455	0.456	70°
0.427	0.429	72.5°
0.387	0.389	75°

* Extrapolated value

Selectivity index T_v/g [info] Diagram

Selectivity index T_v/g

T_v/g	Angle of incidence
1.221*	0°
1.216	15°
1.217	30°
1.217	45°
1.214	50°
1.210	55°
1.201	60°
1.187	65°
1.176	67.5°
1.163	70°
1.144	72.5°
1.096	75°

* Extrapolated value

Transmittance Reflectance Absorptance Color rendering
Dynamic temperature simulation of a standard room

Spectral transmittance T [info] Diagram


0°	15°	30°	45°	50°	55°	60°	65°	67.5°	70°	72.5°	75°

Spectral reflectance R [info] Diagram


15°	30°	45°	50°	55°	60°	65°	67.5°	70°	72.5°	75°

Spectral reflectance, inverted light propagation R' [info] Diagram


15°	30°	45°	50°	55°	60°	65°	67.5°	70°	72.5°	75°

Spectral absorptance A [info] Diagram


15°	30°	45°	50°	55°	60°	65°	67.5°	70°	72.5°	75°

Spectral absorptance, inverted light propagation A' [info] Diagram


15°	30°	45°	50°	55°	60°	65°	67.5°	70°	72.5°	75°

Maximum temperature rise in temperature simulation (°C) [info]

ΔT_max = 12.23°C

Coefficients of functions
T_e, T_v, A_e [info]

T_e	T_v	A_e
-1.401	-0.45105	-1.2107
-0.0002537	-0.00058501	0.0007815
2.8853	2.2736	2.7833
101.87	80.871	91.348
15.438	9.5508	6.3034
1.5642	1.9137	1.6327

Secondary internal heat transfer factor [info]

q_i/A_e(φ=0°) = 0.323

Dynamic temperature simulation of a standard room [info]

Location: ZÃ¼rich
Time period: 1. August - 10. August
Orientation of windows: South
Air change rate: 1.0
initial temperature: 20° C
Standard room: 1A [info]