@inproceedings{7265088be8564c7fa60c03a0753d5061,
title = "Large Eddy Simulations of film-cooling flows with a micro-ramp vortex generator",
abstract = "Large Eddy Simulations were performed to study the effect of a micro-ramp on an inclined turbulent jet interacting with a cross-flow in a film-cooling configuration. The micro-ramp vortex generator is placed downstream of the film-cooling jet. Changes in vortex structure and film-cooling effectiveness are evaluated and the genesis of the counter-rotating vortex pair in the jet is discussed. Results are reported with the jet modeled using a plenum/pipe configuration. This configuration was designed based on previous wind tunnel experiments at NASA Glenn Research Center, and the present results are meant to supplement those experiments. It is found that the micro-ramp improves film-cooling effectiveness by generating near-wall counter-rotating vortices which help entrain coolant from the jet and transport it to the surface. The pair of vortices generated by the micro-ramp are of opposite sense to the vortex pair embedded in the jet.",
author = "Shinn, {Aaron F.} and Vanka, {S. Pratap}",
year = "2011",
doi = "10.1115/imece2011-65267",
language = "English (US)",
isbn = "9780791854921",
series = "ASME 2011 International Mechanical Engineering Congress and Exposition, IMECE 2011",
publisher = "American Society of Mechanical Engineers (ASME)",
number = "PARTS A AND B",
pages = "439--451",
booktitle = "Fluids and Thermal Systems; Advances for Process Industries",
edition = "PARTS A AND B",
note = "ASME 2011 International Mechanical Engineering Congress and Exposition, IMECE 2011 ; Conference date: 11-11-2011 Through 17-11-2011",
}