Industrial gas turbine combustion performance test of DME to use as an alternative fuel for power generation |
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Authors: | Min Chul Lee Seok Bin Seo Jae Hwa Chung Yong Jin Joo Dal Hong Ahn |
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Affiliation: | Power Generation Laboratory, Korea Electric Power Research Institute, Korea Electric Power Corporation, Yusung-Gu, Taejeon 305-380, Republic of Korea |
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Abstract: | DME (dimethyl ether, CH3OCH3) is both a good alternative fuel for transportation and power generation and an LPG substitute owing to its cleanliness, multi-source productivity and the ease with which it is transported. This study was conducted to verify whether DME is a good fuel for gas turbines and to identify potential problems in fuelling a commercial gas turbine with DME. In this study, the GE7EA gas turbine of the Pyong-tak power plant in Korea was selected as the target of DME application. Combustion performance tests were conducted by comparing DME with methane, which is a major component of natural gas. Most results of the combustion performance tests show that DME is very clean and efficient fuel for gas turbines. However, other results have shown that it is necessary to retrofit a fuel nozzle to the combustor in consideration of the combustion properties of DME in order to enhance the availability and reliability of DME fired gas turbines. |
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Keywords: | DME (dimethyl ether) Alternative fuel Gas turbine Combustion performance test |
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