SciELO - Scientific Electronic Library Online

 
vol.74 número152METHOD OF HOLE-FILLING ON TRIANGULAR MESHES USING LOCAL RADIAL BASIS FUNCTIONSTUDY OF FAILURE MECHANISM IN EMBANKMENTS INDUCED BY RAINFALL INFILTRATION BY MONITORING PORE WATER PRESSURES AND WATER CONTENTS índice de autoresíndice de assuntospesquisa de artigos
Home Pagelista alfabética de periódicos  

Serviços Personalizados

Artigo

Indicadores

Links relacionados

  • Em processo de indexaçãoCitado por Google
  • Não possue artigos similaresSimilares em SciELO
  • Em processo de indexaçãoSimilares em Google

Compartilhar


DYNA

versão impressa ISSN 0012-7353

Resumo

AGUDELO SANTAMARIA, ANDRÉS; AGUDELO SANTAMARIA, JOHN  e  SANCHEZ LOPEZ, CARLOS. THE EFFECT OF ALTITUDE ON THE THERMOECONOMIC ANALYSIS OF A COGENERATION SYSTEM. Dyna rev.fac.nac.minas [online]. 2007, vol.74, n.152, pp.113-124. ISSN 0012-7353.

In this work the altitude effect on the thermoeconomic diagnosis of a gas turbine cogeneration system has been determined. In order to isolate this effect, the air-fuel ratio was fixed in the combustion chamber. The variation of environmental conditions with altitude was done by means of a hydrostatic model, taking air as an ideal gas and assuming linear temperature variation. For comparison purposes dead state conditions were taken both constant and variable. Air density decreases for increasing altitude, causing a power drop in the system of about 20%. It was found that this is the main reason for the total product cost rate decreasing. The total product cost per exergy unit increase up to 3% for 3000 m above sea level, which means that it is more expensive to produce every power unit as altitude increases.

Palavras-chave : Altitude effect; Thermoeconomic analysis; Exergy analysis; Cogeneration; CGAM problem; Gas turbines.

        · resumo em Espanhol     · texto em Espanhol     · Espanhol ( pdf )

 

Creative Commons License Todo o conteúdo deste periódico, exceto onde está identificado, está licenciado sob uma Licença Creative Commons