Thermal Performance Enhancement of Heat Exchangers Using Nano-Fluids in Energy Conversion Systems
DOI:
https://doi.org/10.65204/djes.v3i2.517Keywords:
Nano fluids, Double pipe heat exchangers, Nanoparticles, Hybrid nano fluidsAbstract
This study reviews recent advancements in utilizing Nano fluids to enhance the thermal performance of heat exchangers, with particular emphasis on double-pipe configurations. Various Nano fluid types, including water-based grapheme oxide and CuO-water Nano fluids, are analyzed for their effectiveness under different operating conditions, such as inlet temperature and nanoparticle volume fraction. Experimental findings indicate that incorporating Nano fluid significantly improves heat transfer coefficients and thermal efficiency due to their enhanced thermal conductivity. Optimizing flow rate and nanoparticle concentration can minimize pressure drop while achieving peak heat transfer rates. Moreover, hybrid Nano fluids, such as aluminum oxide-titanium dioxide, have demonstrated up to 84% improvement in thermal performance, highlighting their potential for designing high-efficiency energy conversion systems. Further research is required to assess long-term stability and perform comprehensive cost-benefit analyses to facilitate industrial implementation.
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