A combustor may include an interior flow path therethrough, a number of fuel nozzles in communication with the interior flow path, and an inlet guide vane system positioned about the interior flow path to create a swirled flow therein. The inlet guide vane system may include a number of windows positioned circumferentially around the fuel nozzles. The inlet guide vane system may also include a number of inlet guide vanes positioned circumferentially around the fuel nozzles and adjacent to the windows to create a swirled flow within the interior flow path.
FEDERAL RESEARCH STATEMENT
This invention was made with government support under Contract No. DE-FC26-05NT42643, awarded by the U.S. Department of Energy ("DOE"). The United States has certain rights in this invention.