endstream endobj 52 0 obj <>>> endobj 53 0 obj <> endobj 54 0 obj <>/Font<>/ProcSet[/PDF/Text/ImageC]/Properties<>/MC1<>>>/XObject<>>>/Rotate 0/TrimBox[0.0 0.0 594.0 792.0]/Type/Page>> endobj 55 0 obj <>stream stream 4, October 2013 . The measured samples consisted of 1 type of transparent glass and three types of opaque glass (green: transparent glass, black: opaque glass 1, red: opaque glass 2, blue: opaque glass 3). ��FIFmBJ9�����n;v#���+� |5Y To determine normal emittance, specular reflectance (ρn(λ)) measurement is conducted in the infrared region 2000 to 400 cm-1 using an IR spectrophotometer equipped with a specular reflectance measurement attachment. Though calculations based on JIS standards can also be performed by commercial spreadsheet software, calculation results can be obtained more easily by using dedicated software such as the Solar Transmittance Measurement Software shown in Fig. Mendoza, Argentina. Fig. Figs. ��L�m\�ׯ����Ζ�\���CU������E������)(1BS?�b6����i����O�x���u�dM.��UO�ߛ7�s�O�m���A���鷼X<6��o�V30���2[��X1��f4��}ರ�S����r�����Wú�ථ~j��27�i��X�! Not for use in diagnostic procedures. ICS Code. Table 1 summarizes the measurement conditions that were used. Reflectance ρn is calculated from equation (5) using the reflectance of 30 specified wavelengths among the measured values. Link Here: Link to Active (This link will always route to the current Active version of the … <> SRI is defined to be zero for a clean black roof (with a solar reflectance of 0.05 and a thermal emittance of 0.90) and 100 for a clean white roof (with a solar reflectance of 0.80 and a thermal emittance of 0.90) (Akbari and Levinson, 2008). Besides JIS R3106, which is related to flat glass, there are other solar measurement-related JIS standards: JIS A5759 regarding films for glazing used in construction and JIS K5602 regarding paint films. Δλ is the weight coefficient indicating the standard spectrum distribution of solar energy as specified in JIS R3106. %PDF-1.4 This page may contain references to products that are not available in your country. 51 0 obj <> endobj ANSI/CRRC Standard. %�쏢 endstream endobj startxref The explanation in this paper has dealt with JIS R3106. E1980 Practice for Calculating Solar Reflectance Index of Horizontal and Low-Sloped Opaque Surfaces. 5 to easily obtain measurement results. �Ԫ;�ȠH��l�YR�B���9�U��$�6�N��?nk0��~o�Ο��-*|6���Fon6v����n��e%�����C$�����w`�Ǿ�I���O��J:�9k]eM�8&6������s�]$ �� n��c�Z�� 2, 3 and 4 that large differences in both transmittance and reflectance exist in the UVVIS- NIR region, but the reflectance values in the infrared region were about the same. Solar reflectance index (SRI), combines both the T.S.R.% reflectivity value and emittance va lue as a measure of a coating’s overall ability to reject solar The (S.R.I.) ANSI/CRRC S100. 1 shows a glass sample placed on the integrating sphere. � Ͳ�"D�\Z[�%�3%z�듡��c,��|�O���������Gi�xg��`�4��zWU�]�,����,�}`����A���r��T��C��׏^�W��'�Bׯf�a���߱�q�чq�{���;4��G�g��=a���?�T�h�}��D�s\A�ɥ�=�QQ��֑y�EY�. UNSPSC Code 41115316(Reflectometers) Referencing This Standard. For Research Use Only. SOLKOTE HI/SORB-II is an optical coating specifically formulated for solar thermal applications. Thickness Measurement; Optical Profilers; Sheet Resistance Measurement; Product Selection Guide; applications; sales & support . 1, No. 0 [�����t:��L�rp�/��Y��YS�����.�>��Y)��&[�a�X� Ŭ�Wɓ%S*�.����732)�tG�:'�S�ߕ��(�SQ�u�����y�j0� !�&6�6�aU�5T��}�GY`��d�m���y\!�힀K�x��I��� u�[�r\�~���P�>A?�W\0���\䑅`#�K��s{g K_ֳ��{�[����-�Y+1sLm�)����=z��߸{崘O��y���Ir3�"��2�L#EP� ��u$�����d\�)� ��� ���ǵ$(������sS,���UV���Q�w>v������!^�K�����y�8ׁ��L�jmJvz�"F��4=D�Q��#t���YUˇ('P�����,�q��@`�O���w*��V[�}_~����F�8����P+�K-lJHj� y O�|w��k���V�U(��{�������_��W�����=��Aj��s���~@-t�PimAP���v������_a���c;���W�'�W�x4��W��Bu����~=�Wy��U�?�p}u��~�h ���j�w�t*��R�i��Z�}���)�Y��SQ��x�W}�t������f�������Cw�ɇz���a9��s����&�F7=�_�ޔ�+���Ɵ�K����S*�^#�f���Z��zT 1�������TB1�^��?�rh��r�r��+1_��y�O��ڮ�ɈoB1ǁ��xr����Ad6��&;���3,��z� �xJ��b�W��:�ƻ���z����[��j���=\�TF�j������z*kq\���+wө���T�����j���Q�S�=R�'x��7��gWK��lpw*қ��u5�^k �9v��~�g?���~i2�N��F�b�[���G���C~���y#}�����C The next issue will deal with the other two standards. ;�J�la�sct����:� ) Au=�$�W32��E�S����r��ݲn ]=t�V��D��q�ŘV��-C�٣����#�X^-����;�%����m3��w��o� -��ţV�j��5�ɳW1����iT�L�����A��΁-���h�����s5�T? h�bbd```b``�"J�� �dz"Y$@${1���l��l0�,"V�&�����q��D���9��6 Commercial spreadsheet software was used to calculate normal emittance. Metal, plated Black sulfide : 0.92 : 0.10 : 9.20 ? ICS Number Code 17.180.20 (Colours and measurement of light) UNSPSC Code. If a certified surface-coated mirror is not available, the standard reflectance value specified in JIS R3106 is used. index calculation is done in accordance with ASTM E 1980-01. TABLE I: MATERIAL CLASSIFICATION ACCORDING TO ITS COMPOSITION, COLOR AND TEXTURE. Table 1 Standard Title Notes aSTM® G173(1) Standard Tables for Reference Solar Spectral Irradiances: Replaces withdrawn aSTM® (2003 revised in 2006) direct Normal and Hemispherical on 37 degree Tilted Surfaces E891 and 892 aSTM® E903 (1996) Solar absorptance, Reflectance and Transmittance of Materials Withdrawn – no equivalent ����j�qq|�"8��RR�3�P�IC�����a�B��G\�a��R���. Solar Reflectance Index of Pedestrian Pavements and Their Response to Aging N. L. Alchapar, E. N. Correa, and M. A. Cantón DOI: 10.7763/JOCET.2013.V1.64 281 Journal of Clean Energy Technologies, Vol. It is clear from Figs. 87 0 obj <>stream 5. Measurements were conducted on four types of commercial plate glass to determine their respective visible transmittance, visible reflectance, solar transmittance, solar reflectance, and normal emittance values. Table 2 shows the visible transmittance, visible reflectance, solar transmittance, solar reflectance, and normal emittance of each calculated sample. 5 to easily obtain measurement results. The booklet addresses a range of UV related topics and useful analysis information and know-how using Shimadzu UV spectrophotometers. Also, if the measurement wavelength of 50 μm (200 cm-1) cannot be attained, the specular reflectance value at the measured upper limit wavelength is used as the value for longer wavelengths. 5 0 obj Please contact us to check the availability of these products in your country. Table 2 shows the visible transmittance, visible reflectance, solar transmittance, solar reflectance, and normal emittance of each calculated sample.


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