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These showed that, under the present flow conditions, the time behavior of the six radially impinging primary jets is similar to that encountered in single jet instability studies, with a dominant frequency corresponding to a Strouhal number of 0.27, when correlated with the primary jet characteristics. The unsteady nature of the flow around the primary jets and the high turbulence anisotropies observed suggest that accurate calculations of gas turbine combustor flows are likely to be impossible with models based on time-averaged version of the governing equations, even with closure at the second moment level.<\/jats:p>","DOI":"10.1115\/1.2817284","type":"journal-article","created":{"date-parts":[[2008,2,25]],"date-time":"2008-02-25T23:02:07Z","timestamp":1203980527000},"page":"459-467","update-policy":"http:\/\/dx.doi.org\/10.1115\/crossmarkpolicy-asme","source":"Crossref","is-referenced-by-count":4,"title":["Experimental Investigation of the Flow Inside a Water Model of a Gas Turbine Combustor: Part 2\u2014Higher Order Moments and Flow Visualization"],"prefix":"10.1115","volume":"117","author":[{"given":"J. J.","family":"McGuirk","sequence":"first","affiliation":[{"name":"Imperial College of Science, Technology and Medicine, Mechanical Engineering Department, Exhibition Road, London SW7 2BX, England"}]},{"given":"J. M. L. M.","family":"Palma","sequence":"additional","affiliation":[{"name":"Imperial College of Science, Technology and Medicine, Mechanical Engineering Department, Exhibition Road, London SW7 2BX, England"}]}],"member":"33","published-online":{"date-parts":[[1995,9,1]]},"reference":[{"key":"2019100316342259800_r1","doi-asserted-by":"crossref","unstructured":"Adrian R. J. , and YaoC. 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