Encontro de Energia no Meio Rural

Abstract

BARROS, Robledo Wakin, ARADAS, Maria Eugênia Coria, COBAS, Vladmir Rafael Melian et al. Uso de biomassa como combustível para acionamento de motores Stirling.. In: ENCONTRO DE ENERGIA NO MEIO RURAL, 5., 2004, Campinas. Proceedings online... Available from: <http://www.proceedings.scielo.br/scielo.php?script=sci_arttext&pid=MSC0000000022004000200060&lng=en&nrm=abn>. Acess on: 28 Apr. 2024.

The search to increase the electrical generation, together with the need to decrease the pollution emission, has encouraged the alternative energy sources. Nowadays around the world there are a lot of alternative energy sources incentive programs. In Brazil have PROINFA - Alternative Energy Sources Incentive Program. An example of alternative energy sources is the use of biomass as combustible. In the electrical generation, the biomass can be used directly, having it's directly combustion, and transforming the thermal energy liberated in electrical energy, or can be transformed in gas or liquid, and after use technology as internal combustion engine and gas turbine to generate electricity with these combustibles. Few technologies can be used to generate electricity burning directly to the biomass. Among these technologies, have the Stirling engine. It is possible to use this engine because the Stirling engines are external combustion engines, and it has not contact between the work gas and the flue gas. In this way, the Stirling engine needs a heat source, independent of the combustible type that will be used, including solar source. In this work will be present this technology, the different kinds of Stirling engines according to their configuration, moreover will be present the ST 05 G Stirling engine, which is a 500W engine, acquired by University Federal of Itajubá. Also are present the tests results of this engine, and the installation to work with wood waste as combustible.

Keywords : biomassa; energia alternativa; geração distribuída; motor Stirling; motor de combustão externa.