text: If , where  (say, the Reynolds number) is a constant, then we have
  In the limit , the limiting behaviour isa diffusional spreading of a source and therefore is given by
  On the other hand, In the limit , the solution approaches that of the aforementioned Chandrasekhars shock-wave solution of the inviscid Burgers equation and is given by
  The shock wave location and its speed are given by  and