Journal
CRYSTALS
Volume 11, Issue 11, Pages -Publisher
MDPI
DOI: 10.3390/cryst11111359
Keywords
nanofluid; heat source; unsteady flow; aligned magnetic field; thermal radiation; porous medium
Funding
- Taif University Researchers [TURSP-2020/247]
- Taif University, Taif, Saudi Arabia
- Taif university
- [2/50/42]
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The study investigated the suspension of solid particles in energy transport liquids to enhance thermal conductivity and improve heat transfer properties. Various parameters were introduced to analyze the unsteady flow of viscous nanofluids, showing different effects on heat transfer rate and friction drag.
The suspension of tiny solid particles inside the energy transport liquids could enhance their thermal conductivity as well as provide an efficient and inventive approach to significantly improve their properties of heat transport. Therefore, our aim is to explore the radiative two-dimensional unsteady flow of a viscous nanofluid about an aligned magnetic field that includes the joint effect of suction, velocity slip, and heat source across a porous convective stretching/shrinking surface. Initially, using non-dimensional variables, the nonlinear governing partial differential equations (PDEs) were transformed into ordinary differential equations (ODEs) which were subsequently solved with the help of bvp4c built-in package in MATLAB. The results declare that escalating the values of the unsteadiness parameter escalates the friction drag whereas it reduces with the escalation of the slip parameter. Furthermore, the heat transfer rate escalates with the escalation of radiation and concentration parameter, and the escalation of the heat source parameter causes to reduce the heat transfer rate. Finally, it is found that the rate of heat transfer and friction drag continuously improve and decline against the rising rates of stretching, respectively.
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