Download Integration of Nature and Technology for Smart Cities by Anil Ahuja PDF

By Anil Ahuja

This booklet is a resumption of the paintings “Integrated M/E layout: development platforms Engineering” released by way of Anil Ahuja in 1997. including a global workforce of authors from the engineering, city making plans, and structure fields, Mr. Ahuja mentioned new traits and paradigms within the shrewdpermanent constructions and clever urban sectors and prolonged the subject of the former ebook from the development to the total urban. a wise, sustainable development isn't just concerning the construction itself. There are issues taking place within the within the construction and at the open air. a wise construction connects the interior with the surface, presents efficiencies on each side, synchronizes the surface infrastructure with its inside of platforms, and integrates nature and its occupants in its layout. a wise construction doesn’t simply supply know-how ideas. it's approximately consistent alternate among the interior and the skin of the development, the contribution of the development to the standard of the total local and the remainder of town, how the shrewdpermanent development can attach humans in a sharing neighborhood, and the way know-how may be the foremost to make it happen.

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Extra resources for Integration of Nature and Technology for Smart Cities

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1 The Lighting System 27 Parabolic luminaires use large-cell louvers in a parabolic shape. The resulting light distribution reduces the glare, controls light output, and produces high aesthetic appeal. Paracube louvers are small metallic-coated plastic squares; one-inch squares Luminaire Efficiency Defined as the percentage of lamp lumens that leave the luminaire. This rating quantifies the optical and thermal effects that occur within the luminaire under standard test conditions. Judging luminaires on efficiency alone is a faulty ideal, since the most efficient luminaire is a bare lamp.

3 LEDs Unlike incandescent lamps, LEDs are not inherently white light sources. Instead, LEDs emit nearly monochromatic light, making them highly efficient for colored light applications such as traffic lights and exit signs. However, to be used as a general light source, white light is needed. , red, green, and blue) is mixed, resulting in white light • A hybrid method, which uses both phosphor-converted (PC) and monochromatic LEDs The potential of LED technology to produce high-quality white light with unprecedented energy efficiency is the primary motivation for the intense level of research and development currently supported by the US Department of Energy.

Lumen depreciation is affected by the ballast used, line-voltage tolerances, and burn cycles. ” It is measured on a Kelvin scale ranging from 1500 K, which appears red–orange, to 9000 K, which appears blue. ” Color Rendering Index (CRI) Color renditions describe the effect a light source has on the appearance of colored objects. The color-rendering capability of a lamp is measured as the CRI. The higher the CRI, the less distortion of the object’s color by the lamp’s light output. The scale ranges from 0 to 100.

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