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Table 5 Comparison of cooling performance with different cooling pad materials

From: Experimental evaluation of a modified direct evaporative cooling system combining luffa fiber—charcoal cooling pad and activated carbon dehumidifying pad

Pad material

Pad thickness (m)

Pad face area (m2)

Air velocity (m/s)

Efficiency (%)

Reference

Luffa fiber

N/A

N/A

2.4

55.1

Al-Suleiman [13]

Jute

N/A

N/A

2.4

62.1

Bulk charcoal

0.3

0.212

1.14

87.6

Korese and Hensel [20]

Vegetable loofah

0.125

0.931

0.773

57

De Melo et al. [21]

Cotton fabric

0.25

0.18

N/A

90

Velasco-Gomez et al. [18]

Corrugated cellulose paper

0.035

0.193

2.4

84

Nada et al. [19]

Pottery tubular rods

0.1

0.125

N/A

56.9

Laknizi et al. [17]

Luffa fiber + charcoal (no dehumidification)

0.32

0.108

3

84.6

Current study

Luffa fiber + charcoal (dehumidification)

0.32

0.108

3

71.4