Transient hydrodynamics and heat transfer behavior along with heat recovery in a pressurized circulating fluidized bed unit.

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The consumption of energy has always been on the rising trend. In the year 2017, the world consumed 153,595 terawatt-hours (TWh) of primary energy which is above 2500 % more than in the year 1800. Majority of our current power systems are dominated by the three basic sources of fossil fuel viz. coal, oil and gas. The combustion of these fuels produces carbon dioxide (CO2) and other greenhouse gases responsible for global climate change. Biomass-based energy has several distinct advantages such as wide availability and uniform distribution that puts it ahead among the renewable and clean energy options for India. The estimated potential of power generation through renewable sources in India is 85 GW with biomass power contributing approximately 20 GW. Circulating fluidized bed technology is one such technology that can be utilised to harness the vast resources of biomass that is abundantly available in our country with a very amiable impact on the environment. Pressurized circulating fluidized bed (PCFB) which is an extension of ACFB technology is another such technology that can be utilized even further due to its fuel flexibility, compact furnace size, low emission of pollutant, high combustion efficiency and adaptability to load change....
Supervisor: Pinakeswar Mahanta