Michael Posted September 1, 2003 Share Posted September 1, 2003 Brian Long’s book, “Datsun Z: Fairlady to 280Z” (Veloce Publishing, 1998) has a photograph of a 240Z in a wind tunnel. The car is tufted – a crude but often effective way of visualizing the near-surface flow. In the immediate vicinity of the hood lip the tufts show local separation. I’m surprised to see that only a few inches downstream, the flow appears to reattach. Reasons for this might be (1) the car is raised way off the test section floor - a very bad idea; (2) the engine is probably not running, and the flow through the grill is not realistic; (3) wind tunnel free-stream turbulence acts to hasten reattachment behind the hood lip. Quote Link to comment Share on other sites More sharing options...
Michael Posted September 1, 2003 Share Posted September 1, 2003 I forgot to mention - that photograph is on page 50. Quote Link to comment Share on other sites More sharing options...
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