Caracterización de la tasa de liberación de calor en los cilindros de un motor de generación a gas natural de 2 MW.

Guillermo  Valencia-Ochoa; Jorge Duarte-Forero; Carlos  Acevedo-Peñaloza

doi:10.15649/2346030X.581

Authors

Guillermo Valencia-Ochoa Universidad del Atlántico
Jorge Duarte-Forero Universidad del Atlántico
Carlos Acevedo-Peñaloza Universidad Francisco de Paula Santander

DOI:

https://doi.org/10.15649/2346030X.581

Keywords:

Heat release rate, generation engine, natural gas, combustion chamber, average value modeling

Abstract

The development of mathematical models for the most reliable power generation engines to propose an efficient use of fuels and increase energy conversion efficiency has become one of the main objectives of research work in the area. In order to study the heat release phenomenon in the cylinders of a 2 MW J612 Jenbacher natural gas engine from mean variables available in operational records, a semiphysical model has been proposed from mass balances, energy, constitutive equations and statistical regressions. The results show that from the proposed model of heat rejected with a determination coefficient of 0.99, the allow to reach a maximum relative error of 2% in island mode and 4% operating in network for the estimation of the temperature of the gases at the exit of the cylinders. Likewise, the model allows to determine the fraction of heat lost in the cylinders according to the energy provided by the natural gas.

Author Biographies

Guillermo Valencia-Ochoa, Universidad del Atlántico

Universidad del Atlántico - Colombia

Jorge Duarte-Forero, Universidad del Atlántico

Universidad del Atlántico - Colombia

Carlos Acevedo-Peñaloza, Universidad Francisco de Paula Santander

Universidad Francisco de Paula Santander - Colombia

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