Table 2 Summary of studies on CHF of nanofluids in flow boiling
From: Enhancement of critical heat flux in nucleate boiling of nanofluids: a state-of-art review
Reference | Nanofluids | Concentration | Test conditions | CHF enhancement |
---|---|---|---|---|
Al2O3 (40-50 nm) in water | 10-3-10-1 vol.% | SS316 tube (5.45 and 8.7 mm I.D.) | 53% | |
ZrO2 (50-90 nm) | 1,000-2,500 kg/m2s | 53% | ||
Diamond (4 nm) | Inlet subcooling: <20 K | 38% | ||
[39] | Al2O3 (50 nm) in water | 10-3-0.5 vo.l% | SS316 tube (11 mm I.D.) | 70% |
100-300 kg/m2s | ||||
Inlet subcooling: 25 and 50 K | ||||
Al2O3 (47 nm) in water | 0.01 vol.% | Rectangular channel (10 × 5 mm2) | 40% | |
1-4 m/s | ||||
Inlet subcooling: 0 K (saturated) | ||||
Single side heating: Cu disk (ϕ = 10 mm) | ||||
[42] | Al2O3 (25 nm) in water | 10-3-10-1 vol.% | SS tube (ϕ = 510 μm) | 50% |
600-1,650 kg/m2s | ||||
Inlet temperature: 30-404C |