CFD softwares Copper oxides Flat plate solar Collectors Flat-plate solar collectors Heat convection Heat transfer co-efficients Heat transfer coefficient Heat transfer coefficients Hybrid nanofluid Hybrid nanofluids Nanofluidics Pure water Reynold number Reynolds number Solar collectors Turbulence Turbulence-inducing element Turbulence-inducing elements arm intensities humeral elevation inertial measurement units remote data capture shoulder spinal cord injury