article · Numerical Heat Transfer Part A Applications
Solar-powered vessels rely heavily on available sunlight, creating a need for systems that maximise energy capture and operational efficiency while reducing energy costs. A mathematical framework evaluates the integration of a parabolic trough surface collector designed to produce high temperatures aboard solar-powered ships. The work assesses heat transfer performance by employing an Oldroyd-B hybrid nanofluid combining silver and magnetite nanoparticles. The system accounts for thermal radiation, magnetic fields, and viscous dissipation, using the Cattaneo-Christov model to analyse heat flux across the thermal boundary layer. Applying the Galerkin weighted residual method to solve the governing differential equations, the simulation reveals that the hybrid nanofluid improves thermal efficiency by a relative 56.3 percent, offering theoretical backing for collector design in maritime solar systems.
Decarbonising maritime transport requires dependable and efficient renewable energy technologies. Because solar-powered ships are constrained by variable sunlight, improving heat capture and fluid heat transfer is essential. Demonstrating that hybrid nanofluids can substantially raise thermal performance offers engineers a potential pathway to design more effective solar collectors, helping reduce operating costs and reliance on conventional marine fuels.
The findings could eventually inform the development of high-efficiency thermal collectors for solar vessels, relevant to naval architects, marine engineering companies, and solar thermal equipment manufacturers. Because the study relies entirely on mathematical modelling and numerical simulation without physical prototypes or sea trials, the work remains at an early stage of research. Substantial laboratory testing and prototype validation are required before any real-world commercial application.
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The demand for efficient applications of solar energy and nanomaterials has grown significantly in recent years due to industrial needs and the desire to minimize energy consumption and costs. However, the efficiency of photovoltaic cells and solar-powered ships is highly dependent on solar radiation. In this study, a model for the installation of a parabolic trough surface collector (PTSC) was developed to achieve high temperatures on solar-powered ships. The current study analyzed the thermal characterization function in solar-powered ships under the effect of heat radiation, magnetic field, and viscous dissipation by employing hybrid magnetite particles (Fe3O4) and silver (Ag). The Cattaneo–Christov model has been used to assess heat flux in the thermal boundary layer. The Galerkin weighted residual method (GWRM) has been employed to solve the ordinary differential equations using MATHEMATICA 11.3 software. The findings showed that the thermal efficiency of the hybrid nanofluid was significantly enhanced by 56.3% relative percentage. The motto of the current investigation is developing a model for the installation of PTSC on solar-powered ships under various provided assumptions.
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DOI: 10.1080/10407782.2023.2213837
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