Analysis of Spiral Plate Heat Exchanger Used to Cool Vegetable Oil with Nanofluid Consisting of Water and Non-Spherical Boehmite Alumina Nanoparticles

https://doi.org/10.55977/etsjournal.v01i01.e023007

Authors

  • Elcio Nogueira Department of Mechanic and Energy, State University of Rio de Janeiro, Rio de Janeiro, Brazil

Keywords:

Spiral Plate Heat Exchanger (S.P.H.E.), Thermal efficiency method, Vegetable oil, ; Nanofluid, Non-spherical shaped nanoparticles

Abstract

The objective is to use dimensionless analysis through the thermal efficiency method to determine the thermohydraulic performance of a spiral plate heat exchanger (S.P.H.E.) used to cool sunflower oil. The coolant consists of water as a base fluid and non-spherical Boehmite Alumina nanoparticles with a defined volume fraction. The concept of thermal efficiency for heat exchangers is used to determine the main quantities used in the analysis. Graphical results are presented for the number of thermal units (NTU), thermal efficiency, thermal effectiveness, hot fluid outlet temperature, thermal and viscous irreversibilities, and Bejan number. The analyzed heat exchanger provides excellent thermal performance for refrigerants consisting of water and non-spherical nanoparticles in platelets or cylindrical, with a volume fraction equal to 12.0%. Viscous dissipation significantly increases concerning the dissipation associated with pure water, but the cost-benefit is within reason for the proposed objective, within the flow rate under analysis.

References

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Published

2023-10-10

How to Cite

Nogueira, E. (2023). Analysis of Spiral Plate Heat Exchanger Used to Cool Vegetable Oil with Nanofluid Consisting of Water and Non-Spherical Boehmite Alumina Nanoparticles. Engineering & Technology Scientific Journal, 1(1). https://doi.org/10.55977/etsjournal.v01i01.e023007

Issue

Section

Research Article