Abstract
In this research work we have examined the flow of Williamson liquid film fluid with heat transmission and having the impact of thermal radiation embedded in a permeable medium over a time dependent stretching surface. The fluid flow of liquid films is assumed in two dimensions. By using suitable similarity transformation the governing non-linear partial differential equations have been transformed into non-linear differential equations. An optimal approach has been used to acquire the solution of the modelled problem. The convergence of the technique has been shown numerically. The impact of the Skin friction and Nusslet number and their influence on thin film flow are shown numerically. Thermal radiation, unsteadiness effect and porosity have mainly focused in this paper. Furthermore, for conception and physical demonstration the entrenched parameters, like porosity parameter k, Prandtl number Pr, unsteadiness parameter S, Radiation parameter Rd, Magnetic parameter M, and Williamson fluid parameter have been discussed graphically in detail with their effect on liquid film flow.
Highlights
The flow analysis of thin film has got important loyalty due to its enormous applications in the field of engineering and technology in several years
Investigating the uses of thin liquid film flow is an interesting interaction between structural mechanics, fluid mechanics, and theology
In view of the industrial applications of thin film flow, stretching surface has become an important topic for researchers
Summary
The flow analysis of thin film has got important loyalty due to its enormous applications in the field of engineering and technology in several years. Extrusion of polymer and metal, striating of foodstuff, constant forming, elastic sheets drawing, and fluidization of the devices, exchanges, and chemical treating apparatus are several well-known uses of liquid films In observations of these uses and applications, the study of liquid film becomes necessary for researchers to further investigate and make further development in it. In view of the industrial applications of thin film flow, stretching surface has become an important topic for researchers. Aziz et al [6] has examined the consequence of inner heat production on flow in a thin liquid film on a time depending stretching sheet. Andersson [8] is the forerunner to investigate the flow of tinny liquid films of non-Newtonian fluids in an unsteady stretching sheet by considering the Power law model. Qasim et al [16] has studied the Nano fluid thin film on an unstable extending surface taking Buongiorno’s model
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