Figure 3

Nusselt number responses as a result of \({\text{We}}\) increasing at fixed \({\text{R}} = 3,\,{\text{M}} = 0.8,\,\chi_{{\text{Fe}_{3} {\text{O}}_{4} }} = 0.1,\,\chi_{{\text{Al}_{2} {\text{O}}_{3} }} = 0.05\).

Nusselt number responses as a result of \({\text{We}}\) increasing at fixed \({\text{R}} = 3,\,{\text{M}} = 0.8,\,\chi_{{\text{Fe}_{3} {\text{O}}_{4} }} = 0.1,\,\chi_{{\text{Al}_{2} {\text{O}}_{3} }} = 0.05\).