Figure 6From: Heat and mass transfer of nanofluid through an impulsively vertical stretching surface using the spectral relaxation method Effect of various values of the Hartman number Ha on skin friction coefficient for \(\pmb{\mathit{Gr}_{t} = 0.2}\) , \(\pmb{\phi= 0.2}\) , \(\pmb{\mathit{Gr}_{c} = 0.2}\) , \(\pmb{N_{T} = 0.01}\) , \(\pmb{\mathit{Pr} = 7}\) , \(\pmb{\mathit{N_{b}} = 0.01}\) , \(\pmb{\gamma= 1}\) and \(\pmb{\mathit{Sc} = 1}\) . Back to article page