Heat transfer

correlation

author

Radius

ratio

Cylindrical gap ratio

Axial

ratio

Axial Reynolds number

Taylor

number

Nu/h (W/m2・K)

Tachibana & Kukui

0.937

0.1700

11.3

4.2E3

3.4E3

76/317

Hanagida & Kawasaki

0.990

0.0094

283.0

1.0E4

2.0E5

62/256

Nijaguan & Mathiprakasam

0.750

0.1650

195.0

2.0E3

3.6E5

370/256

Boufia et al.

0.956

0.0450

98.4

3.1E4

4.0E5

193/805

Korsterin et al.

0.780

0.0271

77.5

3.0E5

8.0E5

149/623

Grosgeorge

0.980

0.0200

200.0

2.7E4

4.9

144/600

Childs & Turner

0.869

0.1500

13.3

1.4E6

1.2E11

463/1800

Present study

0.888

0.0017

31.7

7.6E3

3.3E8

318/1329