Thermodynamic Calculation of Chemically Recuperated Gas Turbine Based on Diesel-Steam ReformingChinese Full Text
PAN Fu-min;ZHENG Hong-tao;LIU Qian;College of Power and Energy Engineering,Harbin Engineering University;
Abstract: Aiming at forming the foundation of the chemically recuperated gas turbine（CRGT） being applied in the marine propulsion,the minimization of Gibbs free energy method was applied to calculate dieselsteam reforming and thermodynamic performance of the CRGT was evaluated based on this method. The minimization of Gibbs free energy method was used to calculate methane-steam reforming and the highest differences was3.44% contrast to experiment,which proves the accuracy of this method. Then,the diesel-steam reforming was calculated by this method and the heat value of the reformed fuel was 38.9% higher,indicating that the CRGT has a higher thermal efficiency. And the outlet temperature of combustor in the CRGT based on some gas turbine was 1375.3K,167.5K lower than 1542.8K of the simple cycle,which leads to low NOx emission. It is also illustrated that the energy of exhaust gas out of the reformer can produce enough steam for the CRGT.
Keywords：
Diesel-steam reforming; Minimization of Gibbs free energy; Chemically recuperated gas turbine; Energy saving and emission reduction;
- DOI：
10.13675/j.cnki.tjjs.2015.03.014
- Series：
- Subject：
- Classification Code：
TK472.5
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