Shocks in Supersonic Sand Export

@article{citeulike:1685968, abstract = {We measure time-averaged velocity; density; and temperature fields for steady granular flow past a wedge. We find the flow to be supersonic with a speed of granular pressure disturbances (sound speed) equal to about 10\% of the flow speed; and we observe shocks nearly identical to those in a supersonic gas. Molecular dynamics simulations of Newton's laws yield fields in quantitative agreement with experiment. A numerical solution of Navier-Stokes–like equations agrees with a molecular dynamics simulation for experimental conditions excluding wall friction.}, author = {Rericha, Erin C. and Bizon, Chris and Shattuck, Mark D. and Swinney, Harry L.}, citeulike-article-id = {1685968}, citeulike-linkout-0 = {http://dx.doi.org/10.1103/PhysRevLett.88.014302}, citeulike-linkout-1 = {http://link.aps.org/abstract/PRL/v88/i1/e014302}, citeulike-linkout-2 = {http://link.aps.org/pdf/PRL/v88/i1/e014302}, day = {17}, doi = {10.1103/PhysRevLett.88.014302}, journal = {Physical Review Letters}, keywords = {granular, journal-club}, month = {December}, number = {1}, pages = {014302+}, posted-at = {2007-09-22 20:07:33}, priority = {0}, publisher = {American Physical Society}, title = {Shocks in Supersonic Sand}, url = {http://dx.doi.org/10.1103/PhysRevLett.88.014302}, volume = {88}, year = {2001} }

TY - JOUR ID - citeulike:1685968 L3 - citeulike-article-id:1685968 N2 - We measure time-averaged velocity; density; and temperature fields for steady granular flow past a wedge. We find the flow to be supersonic with a speed of granular pressure disturbances (sound speed) equal to about 10% of the flow speed; and we observe shocks nearly identical to those in a supersonic gas. Molecular dynamics simulations of Newton’s laws yield fields in quantitative agreement with experiment. A numerical solution of Navier-Stokes–like equations agrees with a molecular dynamics simulation for experimental conditions excluding wall friction. IS - 1 JF - Physical Review Letters TI - Shocks in Supersonic Sand PB - American Physical Society VL - 88 SP - 014302 KW - granular KW - journal-club AU - Rericha, Erin AU - Bizon, Chris AU - Shattuck, Mark AU - Swinney, Harry PY - 2001/12/17/ UR - http://dx.doi.org/10.1103/PhysRevLett.88.014302 ER -