@InProceedings{Santos:2004:FlLeEf,
               author = "Santos, Wilson Fernando Nogueira dos",
          affiliation = "{Instituto Nacional de Pesquisas Espaciais}",
                title = "Flat-faced leading-edge effects on shock-detachment distance in 
                         hypersonic wedge flow",
            booktitle = "Proceedings...",
                 year = "2004",
         organization = "Iberian Latin American Congress on Computational Methods in 
                         Engineering (CILAMCE), 25.",
            publisher = "Universidade Federal de Pernambuco",
              address = "Recife, PE",
             keywords = "hypersonic flow, rarefied flow, blunt leading edges, DSMC.",
             abstract = "Abstract. This work deals with a numerical study on truncated 
                         wedges situated in a rarefied hypersonic flow. The work is 
                         motivated by the interest in investigating the blunting effects on 
                         the shock wave structure. The primary aim of this paper is to 
                         examine the sensitivity of the shock standoff distance and shock 
                         wave thickness to shape variations of such flat-faced leading 
                         edges. In addition, to provide a critical analysis on maximum 
                         allowable geometric bluntness, dictated by either handling or 
                         manufacturing requirements, resulting on reduced departures from 
                         ideal aerodynamic performance of the original sharp leading edge. 
                         The impact of the blunting effects on the shock wave structure is 
                         investigated, through the Direct Simulation Monte Carlo (DSMC) 
                         method, by a model that classifies the molecules in three distinct 
                         classes, i.e., undisturbed freestream, reflected from the boundary 
                         and scattered, i.e., molecules that had been indirectly affected 
                         by the presence of the leading edge. As expected, it was found 
                         that the shock standoff distance and the shock thickness increased 
                         by increasing the flat-face thickness. The analysis also showed a 
                         blunt-body shock wave structure for a leading edge with thickness 
                         of just one freestream mean free path.",
  conference-location = "Recife, PE",
      conference-year = "10-12 Nov. 2004",
           copyholder = "SID/SCD",
                 isbn = "8574098698",
             language = "en",
           targetfile = "flat-faced.pdf",
        urlaccessdate = "16 jun. 2024"
}