Table 1

Test conditions

Objective of investigation

CNTs type

Refrigerant type

Oil concentration xo (wt.%)

Heat flux q (kWm-2)

Initial liquid-level height L (cm)

Original CNTs concentration φn (vol.%)


Influence of CNTs physical dimension on migration

CNT#1, CNT#2,

CNT#3, CNT#4

R113

0

50

2.0

0.56, 1.11, 1.65, 2.19, 2.72, 3.25, 3.77

Influence of refrigerant type on migration

CNT#2

R113,

R141b,

n-pentane

0

50

2.0

0.56, 1.11, 1.65, 2.19, 2.72, 3.25, 3.77

Influence of oil concentration on migration

CNT#2

R113

1, 5, 10

50

2.0

0.56, 1.11, 1.65, 2.19, 2.72, 3.25, 3.77

Influence of heat flux on migration

CNT#2

R113

0

10, 20,

50, 100

2.0

0.56, 1.11, 1.65, 2.19, 2.72, 3.25, 3.77

Influence of initial liquid-level height on migration

CNT#2

R113

0

50

1.3, 2.0

2.7, 3.4

0.56, 1.11, 1.65, 2.19, 2.72, 3.25, 3.77


Peng et al. Nanoscale Research Letters 2011 6:219   doi:10.1186/1556-276X-6-219

Open Data