Table 2.
Summary of the effect of nanofluids on the BHT coefficient and on the CHF.
| Author names and [reference] | Year | BHT effect and (nanoparticle type) | CHF effect |
|---|---|---|---|
| Witharana [26] | 2003 | Enhancement between 11 and 21% (Au, SiO2 on Cu surface) | Enhancement |
| Wen and Ding [29] | 2005 | Enhancement up to 40% (Al2O3) Enhancement up to 50% (TiO2) |
Enhancement |
| Ding et al. [39] | 2007 | Enhancement (Al2O3, TiO2 on S/S plate) | - |
| Park and Jung [38] | 2007 | Enhancement up to 29% (carbon nanotubes on S/S tube) | - |
| Peng et al. [20] | 2009 | Enhancement up to 30% (CuO/R-113) | - |
| Boudouh et al. [22] | 2010 | Enhancement (Cu) | - |
| Kim et al. [23] | 2010 | Small enhancement (Al2O3, Zinc oxide and diamond) | Enhancement, up to 53% |
| Soltani et al. [46] | 2010 | Enhancement up to 25% (Al2O3/water and CMC on S/S heater) | - |
| Liu et al. [47] | 2010 | Enhancement (carbon nanotubes on Cu plate) | Enhancement |
| Suiyawong and Wongwises [48] | 2010 | Enhancement up to 15% (TiO2 on Cu surface) | - |
| Das et al. [13,27] | 2003a, b | Deterioration between 10 and 40% (Al2O3 on S/S tubes) | - |
| Bang and Chang [30] | 2005 | Deterioration by approximately 20% (Al2O3 on S/S plate) | Enhancement, up to 50% |
| Kim et al. [36] | 2007 | Deterioration (Al2O3, ZrO2, SiO2 on S/S wire) | Enhancement, up to 80% |
| Liu and Liao [42] | 2008 | Deterioration (CuO, SiO2 in water and alcohol on Cu plate) | Enhancement |
| Trisaksri and Wongwises [43] | 2009 | Deterioration (TiO2/R-141b on Cu surface) | - |
| Suiyawong and Wongwises [48] | 2010 | Deterioration (TiO2 on Al surface) | - |
| Henderson et al. [25] | 2010 | Deterioration by 55% (SiO2/R-134a) | - |
| You et al. [4] | 2003 | Unchanged (Al2O3 on Cu surface) | Enhancement, up to 200% |
| Vassallo et al. [28] | 2004 | Unchanged (SiO2 on NiCr wire) | Enhancement, up to 60% |
| Chopkar et al. [35] | 2007 | Unchanged (ZrO2 on Cu surface) | - |
| Kwark et al. [15] | 2010 | Unchanged (Al2O3, CuO and diamond on Cu plate) | Enhancement |
All nanoparticles have water as the base fluid, unless otherwise stated.