%���� Required fields are marked *. H�*�2T0 BC3 L��2�3r!��������Ȁ�d. Date: Climate Zone: Building Type: Residential Nonresidential: Project Name: Project Address: Roofing Products (Cool Roof) Roofing products with high solar reflectance and thermal emittance are referred to as "Cool Roof", which refers to an outer layer or exterior surface of a roof. ]$1]$��E@`�(��.�dAd�0#Ҹ� 3�M This calculator produced by Lawrence Berkeley National Labs (LBNL) allows you to compute solar reflectance index (SRI) and roof surface temperature based on solar reflectance and thermal emittance based on ASTM standard E 1980. Product Information: 1‐5.CRRC Product ID Number, Manufacturer, Brand, Model and Product Type should be … 0 (0%) for a perfect black surface and 1 (100%) for a perfect white surface. I certify that this Certificate of Compliance documentation is accurate … Solar absorptance=1 - solar reflectance. D��E�u�U��=�ddX fs#�v�! 1 0 obj OTM Insights newsletter issue 6: What are the differences between the NFRC, EN, and ISO glass optical & thermal test methods? 6 0 obj stream The emittance of most materials is between 0.85 and 0.95. Figure 5 illustrates these angles. <>/Subtype /Form/Type /XObject>> 2. Emittance: it is often called emissivity. Simply input your material’s solar reflectance and emittance to the SRI calculator above and get its SRI instantly. stream 4 0 obj The fraction of solar radiation absorbed by a surface. jmiller Solar Reflective Index (SRI) Calculation Worksheet SRI-WS Computer Generated Form Date: Climate Zone: Building Type: Residential. ?���B��&c��&�G����SV�u��QAI��BjP���NU�b�AUׅ�kEVZ����wћ��h���z�t�. Finally, the optimal tilt angle (Σ) is the angle at which the solar panel needs to be set to col-lect the most energy from the sun. <>/Subtype /Form/Type /XObject>> endobj Showing top 8 worksheets in the category - Sri. (A���C TA��qr ��� Solar Reflectance Index Calculation Worksheet (Page 1 of 1) CA Building Energy Efficiency Standards ‐ 2013 Residential Compliance June 2014 CF1R‐WKS‐04‐E Instructions Calculate the SRI value by using the Solar Reflectance Index (SRI) Calculation Worksheet found on the California Energy Ambient conditions and reference-surface properties specified in next worksheet. ���4+t���?����1zxn nm���Zn5�̔���&��x�U�߯��A�X�5�ԍ�ޕ���N(;a,r�}�=�YU��UA�����?�z r[�� �$� ©OTM Solutions Pte Ltd, V1.1.1, 23/06/2020. %PDF-1.7 u�:y2��ogdRL�� ��(�I�D�x����1Y����dr_��v& ��$�����H�8&�S������+���k������Օ��������6�ߘ�(�"�L����JNfU�q��/�.��UĂ�D4x{���}�_W���="�S��(W��������_���7��R"�W��"������ͷ�H$"$�?��HB���l�ID�é����pʢ4�!�r��E8�۟�G h�bbd```b``�"O�H�{`v4X\̮��`�L %PDF-1.6 %���� Calculate the SRI value by using the Solar Reflectance Index (SRI) Calculation Worksheet found on the California Energy Commission website at http://www.energy.ca.gov/title24/. Your email address will not be published. %PDF-1.6 %���� It would be possible to perform these calculations by … 5 0 obj Click on the red button to compute SRI and roof surface temperature. endstream endobj 178 0 obj <>>>/MarkInfo<>/Metadata 13 0 R/Names 229 0 R/Pages 175 0 R/StructTreeRoot 36 0 R/Type/Catalog>> endobj 179 0 obj <>stream Date: Climate Zone: Building Type: Residential Nonresidential: Project Name: Project Address: Roofing Products (Cool Roof) Roofing products with high solar reflectance and thermal emittance are referred to as "Cool Roof", which refers to an outer layer or exterior surface of a roof. 'u� s�1� ��^� ���� SOLAR REFLECTANCE INDEX CALCULATION WORKSHEET CEC-CF1R-ENV-04-E (Revised 01/20) CALIFORNIA ENERGY COMMISSION CERTIFICATE OF COMPLIANCE CF1R-ENV-04-E Index Calculation Worksheet - For Non-HERS Registered Projects (Page 1 of 2) Project Name: Date Prepared: A. endstream endobj 1514 0 obj <>stream "��C��ź���h��p�EObb��G�]�ư�!��>��E5̥o��(f����V+��Ś. H�Ԕ�n�0��} These easy to follow worksheets use the MS Excel application and allow you to perform a cost/payback/profit analysis of a proposed system, an energy audit, and/or calculations to help you decide on an array size, modules and an inverter, wire gauges, etc.

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