Proceedings of the Indian Academy of Sciences - Section A

, Volume 72, Issue 3, pp 121-133

First online:

Effect of impulsive change of wall velocity and wall temperature in viscous heat-conducting gas

  • B. C. PandeyAffiliated withDepartment of Applied Mathematics, Indian Institute of Science

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A study of compression waves produced in a viscous heat-conducting gas by the impulsive start of a one-dimensional piston and by the inpulsive change of piston wall temperature is made using Laplace Transform Technique for Prandt1 number unity. Expressions for velocity, temperature and density have also been obtained using small-time expansion procedure in this case. For arbitrary Prandt1 number solutions have been developed using large-time expansion procedure. A number of graphs exhibiting the distribution of the fluid velocity, temperature and density have been drawn.