Skip to main content

Advertisement

Table 1 Systems engineering approach to nanofluid design.

From: Nanofluids for heat transfer: an engineering approach

  ENGINEERING PARAMETERS Nanoparticle material Nanoparticle concentration Nanoparticle shape Nanoparticle size Base fluid Zeta potential/fluid pH Kapitza resistance Additives Temperature
NANOFLUID PROPERTIES           
Stability ■↓ x ?
Density ■↑ x x x x x x
Specific Heat ■↓ x x x x x
Thermal Conductivity ■↑ ■↑ ■↓
Viscosity ■↓ ■↓ ■↑ x
Heat Transfer Coefficient ■↑* ■↑ ■↓
Pumping Power Penalty x ■↑ x
Relative Importance   4.0 6.25 3.75 5.0 5.25 4.0 2.0 2.75 3.75
  1. Symbols:
  2. ■- strong dependence; - medium dependence; ▲- weak dependence; x - no dependence; ? - unknown or varies from system to system; - larger the better; - smaller the better; ↑- increase with increase in parameter; ↓- decrease with increase in parameter; *-within the linear property increase.