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Entropy generation applications in flow of viscoelastic nanofluid past a lubricated disk in presence of nonlinear thermal radiation and Joule heating

Aamar Abbasi,Waseh Farooq,M Ijaz Khan,Sami Ullah Khan,Yu-Ming Chu,Zahid Hussain,M Y Malik

Figure 10. Variation of (a) entropy generation number

$\mathrm{Ns}$ and (b) Bejan number

$\mathrm{Be}$ against

$\mathrm{Rd}$ when

$n=0.5,\,K=0.1,\,{\Pr }=1={Sc}\,=M={\beta }_{c}$ ,

${Nt}=0.1,\,{\theta }_{w}=2.0,\,{Ec}=0.1\,$ and

${Nb}=0.3.$