Solar Air Heater
Journal Title: International Journal for Research in Applied Science and Engineering Technology (IJRASET) - Year 2016, Vol 4, Issue 4
Abstract
Energy demand is one of the most threatening problems arising now days. This can be resolved by usage of renewable energy resources. Solar energy is an ultimate renewable energy resource that nature has offered. Solar energy is nothing but the heat energy, light energy and radiation coming from the Sun. This solar energy is used in numerous heating and electrical applications. In Solar heating applications the energy from the sun is mostly utilized in heating the fluids. Solar water heaters deal with heating water. Whereas our project deals with heating of air (atmospheric) which is nothing but solar air heating. Our project is titled as ‘SOLAR AIR PRE-HEATER’ or ‘SOLAR DRYER’. This solar air heating reduces the fuel consumption to about 50%. This technique is capable of preheating the fresh air and it improves the indoor air quality. With the less installation and maintenance cost this offers high efficiency. Apart from everything, this technique reduces the emission of Co2 in the atmosphere. Solar air heater is a solar thermal technology in which the radiation from the sun is captured by an absorbing medium and used to heat air. Solar air heating is a renewable energy heating technology used to heat or condition air for buildings or process heat applications. It is typically the most cost-effective out of all the solar technologies, especially in commercial and industrial applications. In our project, the heating efficiency of the collector is influenced by three important factors. One is the transmittance of the Glazing medium or material which absorbs the radiation (Light energy) from the sun. The second one is Black body absorption of the metal duct. Also, since we are going to heat up the air passing through the duct. Hence the geometry and the design is the third influence of the efficiency of the product (DRYER).
Authors and Affiliations
S. Riyaz Haja Mohideen
Keywords
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