Abstract
In the present study, the specially designed grooved heat pipe charged with
nanofluids was investigated in terms of various parameters such as heat
transfer rate(50-300 W with 50 W interval), volume concentration(0.005%,
0.05%, 0.1%, and hybrid combinations), inclination(5?, 45?, 90?), cooling
water temperature (1?C, 10?C, and 20?C), surface state, transient state and
so on. Hybrid nanofluids with different volume concentration ratios with
Ag-H2O and Al2O3-H2O were used as working fluids on a grooved heat pipe(GHP).
Comparing with the pure water system, nanofluidic and hybrid nanofluidic
system shows greater overall thermal resistance with increasing nano-particle
concentration. Also hybrid nanofluids make the system deteriorate in terms of
thermal resistance. The post nanofluid experimental data regarding GHP show
that the heat transfer performance is similar to the results of nanofluid
system. The thermal performance of a grooved heat pipe with nanofluids and
hybrid nanofluids were varied with driving parameters but they led to worse
system performance.
Publisher
National Library of Serbia
Subject
Renewable Energy, Sustainability and the Environment
Cited by
107 articles.
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