Magnetocaloric Fluids - Magnetocaloric Energy Conversion: From Theory to Applications - page 168

Fig. 5.2 A rheogram showing different non-Newtonian fl uids

Table 5.2 Different rheological models for laminar suspension fl ow (see also Darby [ 175 ], Hanks

[ 176 ], Steffe [ 177 ])
Rheological model Equation Equation number

d y

Bingham (5.14)

d v

s ¼ s 0 þ g B

d y n 1

Power law (Ostwald-de-Waele) (5.15)

d v

s ¼ K 1

0 : 5

Casson (5.16)

þ g C d v

0 : 5

s 0 : 5

¼ sðÞ

d y

d y n

Herschel Bulkley (5.17)

- d v

s ¼ sðÞþ K 1

Papanastasiou [ 187 ]

þ g P d v

(5.18)

s ¼ s 0 1 e m d v

d y

d y