glassdbase: 'SBB'

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The independent and comprehensive database for building glass. Methods of measurements Glossary

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'SBB': SBB D007 NPZ (vor 2006)

1184 x 624 x 17 mm
'SBB'
'SBB'

Reference number: D007

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
0.691	0.809	0.855	0°
0.686	0.805	0.852	15°
0.677	0.800	0.847	30°
0.654	0.781	0.837	45°
0.639	0.767	0.833	50°
0.617	0.745	0.829	55°
0.584	0.709	0.824	60°
0.532	0.651	0.818	65°
0.497	0.611	0.814	67.5°
0.456	0.563	0.810	70°
0.406	0.505	0.805	72.5°
0.349	0.437	0.798	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
0.128	0.130	15°
0.129	0.132	30°
0.142	0.145	45°
0.152	0.156	50°
0.171	0.175	55°
0.203	0.207	60°
0.254	0.259	65°
0.291	0.296	67.5°
0.337	0.343	70°
0.388	0.395	72.5°
0.453	0.462	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
0.186	0.183	15°
0.194	0.191	30°
0.204	0.201	45°
0.208	0.205	50°
0.211	0.208	55°
0.213	0.209	60°
0.214	0.209	65°
0.212	0.206	67.5°
0.208	0.202	70°
0.206	0.199	72.5°
0.198	0.189	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
0.691*	0.691*	0°
0.686	0.686	15°
0.677	0.677	30°
0.654	0.654	45°
0.639	0.639	50°
0.617	0.617	55°
0.584	0.584	60°
0.532	0.532	65°
0.497	0.497	67.5°
0.456	0.456	70°
0.406	0.406	72.5°
0.349	0.349	75°

* Extrapolated value

Selectivity index T_v/g [info] Diagram

Selectivity index T_v/g

T_v/g	Angle of incidence
1.170*	0°
1.173	15°
1.181	30°
1.194	45°
1.200	50°
1.207	55°
1.214	60°
1.222	65°
1.228	67.5°
1.235	70°
1.243	72.5°
1.253	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 = 16.28°C

Coefficients of functions
T_e, T_v, A_e [info]

T_e	T_v	A_e

Secondary internal heat transfer factor [info]

q_i/A_e(φ=0°) =

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]