Shape effects of molybdenum disulfide (nm) micro-rotating particles in crosswise transport of hydrogen oxide: (MoS2–H2O) nano polymer gel

Abstract

Nano polymers have emerged as a new development offering promising durability, anti-corrosion and thermal efficiency. Nanoparticles shape, size and volume fraction plays critical part in improved performance of heat exchanger systems involving modern manufacturing processes of nano-rheological materials. Molybdenum Disulfide nanostructures finds significant applications in desulfurization processes, in thermoelectric appliances and many more. Motivated by elaborating in further detail, the present article presents a mathematical and computational study on steady, two-dimensional, non-aligned thermo-fluid transport of Molybdenum Disulfide doped-Hydrogen oxide (H2O) based micropolar fluid. To simulate real nano polymer dynamics, the Tiwari-Das model for nano particle concentration and Maxwell-Garnet model for nanofluid thermal conductivity is exploited. The conservation equations for mass, momentum (normal and tangential) and energy are normalized by employing suitable transformations. Numerical solutions are attained via Keller Box method in MATLAB symbolic software. The impact of key emerging dimensionless parameter i.e. nanoparticles volume fraction and various shape effects of molybdenum disulfide nanoparticles on non-dimensional normal and tangential velocity components, micro rotation profile, temperature, shear stress at the wall and local heat flux is explored graphically. Local heat flux and micro-rotation profile is boosted while tangential skin friction coefficient depletes with the insertion of blade shaped nanoparticles. Moreover greatest thermal conductivity is achieved with the insertion of blade shape nanoparticles.