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Energy and the Environment, 1999

ISSN:
1-56700-127-0 (Print)

NUMERICAL ANALYSIS OF NOx REDUCTION BY STEAM INJECTION USING DETAILED CHEMICAL KINETICS

H. Yamashita
'Department of Mechanical Engineering, Nagoya University, Chikusa-ku, Nagoya, 464-8603, Japan

D. Zhao
New Energy and Industrial Technology Development Organization, Toshima-ku, Tokyo,170-6028, Japan

S. N. Danov
Research Center for Advanced Energy Conversion, Nagoya University, Chikusa-ku, Nagoya, 464-8603, Japan

Tomohiko Furuhata
Research Center for Advanced Energy Conversion,Nagoya University,Nagoya, 464-8603, Japan

Norio Arai
Research Center for Advanced Energy Conversion,Nagoya University,Nagoya, 464-8603, Japan

Abstract

In order to improve thermal efficiency of gas turbine system and better control NOx emission, the injection of steam into a gas turbine combustor has been employed. This study has used both chemical equilibrium calculations and the counterflow diffusion flame calculations of methane-air flame aiming at the elucidation of the NOx reduction mechanism due to the steam injection. The GRI-Mech was employed for modeling the chemical reactions.