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- Title
Experimental investigation of Al<sub>2</sub>O<sub>3</sub>–MgO hot hybrid nanofluid in a plate heat exchanger.
- Authors
Bhattad, Atul
- Abstract
Exergy–energy analysis of the plate heat exchanger is experimentally performed with different Al2O3–MgO hybrid nanofluid (HyNf) as a hot fluid. There were six combinations of fluids, namely, deionized (DI) water, ethylene glycol–DI water brine (1:9 volume ratio), propylene glycol–DI water brine (1:9 volume ratio), base fluids and their respective Al2O3–MgO (4:1 particle volume ratio) HyNfs of 0.1% total volume concentration. The effects of different flow rates and hot inlet temperatures on the heat transfer rate, heat transfer coefficient, pump work, irreversibility, and performance index (PI) are investigated. It is witnessed that the heat transfer rate, heat transfer coefficient, pump work, and irreversibility enhances with the flow rate and nanoparticle suspension. While the PI declines with a rise in the flow rate, the heat transfer rate, heat transfer coefficient, PI, and irreversibility rise up maximum for MgO–alumina (1:4) DI water HyNf upto 11.8%, 31.7%, 11.1%, and 4.05%, respectively. The pump work enhances upto 1.6% for MgO–alumina (1:4)/EG–DI water (1:9) HyNf.
- Subjects
PLATE heat exchangers; NANOFLUIDS; HEAT transfer coefficient; HEAT transfer; INVESTIGATIONS
- Publication
Heat Transfer, 2020, Vol 49, Issue 4, p2344
- ISSN
2688-4534
- Publication type
Article
- DOI
10.1002/htj.21724