solar reflectance index of wood

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the odd truth, feb. 12, 2003. brett hoisington, 19, also live in the house, which has a wood-burning stove and a rope swing on the deck. 'ring of fire' solar eclipse captured in stunning

solar reflectance index of timber decking

timber decking sri value - outside decking floor. solar reflectance index of timber decking. solar reflectance index sri by color. solar reflectivity or reflectance is the ability of a material to reflect solar energy

solar reflectivity r and solar reflectance index sri by

solar reflectivity r and solar reflectance index sri by color. solar reflectivity or reflectance is the ability of a material to reflect solar energy from its surface back into the atmosphere. the sr value is a number from 0 to 1.0. a value of 0 indicates that the material absorbs all solar energy and a value of 1.0 indicates total reflectance.

solar reflectance index measurements - surface optics corp.

the solar reflectance index sri is a measure of the constructed surface’s ability to reflect solar heat, as shown by a small temperature rise. it is defined so that a standard black surface reflectance 0.05, emittance 0.90 is 0 and a standard white surface reflectance 0.80, emittance 0.90 is 100.

solar reflectance index of wood

urban heat island reduction, sri - concrete thinker. a composite index called the solar reflectance index sri is used by the u.s. green building council and others to as concrete, masonry, and wood have an emittance between 0.85 and 0.95, and a value of 0.90 is usually assumed 6 .

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solar reflectance index - hdg primer - hdg building materials

the solar reflectance index for a sample of thermory wood was tested to be 39.68 under medium wind conditions. under low or high wind it was, 39.81 and 39.56 respectively. note: for non-metal surfaces, sri is insensitive to changes in convection coefficient rate of heat transfer from the surface to air induced by the air movement .

the world's most anti-reflective coating zdnet

the world's most anti-reflective coating. researchers from the rensselaer polytechnic institute rpi have created a material that reflects virtually no light -- or absorbs it like a black hole.