Table 1.
Sample plan
| Sample Code | Fiber Content | Yarn Count | Fabric weight (g/m2) | Fabric thickness (mm) | Fabric density a (g/m3) |
|---|---|---|---|---|---|
| PET1 | 100 % PET | Ne 20/1 | 186,00 | 0,54 | 0,34 |
| CO1 | 100 % cotton | Ne 20/1 | 181,80 | 0,65 | 0,28 |
| PET2 | 100 % PET | Ne 30/1 | 146,80 | 0,47 | 0,31 |
| CO2 | 100 % cotton | Ne 30/1 | 141,00 | 0,51 | 0,28 |
| PET3 | 100 % PET | Ne 40/1 | 102,00 | 0,39 | 0,26 |
| CO3 | 100 % cotton | Ne 40/1 | 113,60 | 0,48 | 0,24 |

Fig. 1.
Interaction between water vapour permeability, fabric weight and thickness of samples

Fig. 2.
Water vapour permeability measurement results of the samples

Fig. 3.
Distribution of water vapour permeability values of a) polyester and b) cotton samples
Table 2.
ANOVA table for a) polyester and b) cotton samples for water vapour permeability
| (a) | |||
|---|---|---|---|
| Source | Mean Square | F-ratio | Probability (F-ratio) |
| Yarn Fineness | 644.878 | 198.340 | < 0.001 |
| Error | 3.251 | ||
| (b) | |||
| Source | Mean Square | F-ratio | Probability (F-ratio) |
| Yarn Fineness | 412.260 | 59.050 | < 0,001 |
| Error | 6.982 | ||
Table 3.
Range test for a) polyester and b) cotton fabrics for water vapour permeability
| (a) | (b) | ||
|---|---|---|---|
| Yarn Count | Mean value | Yarn Count | Mean value |
| Ne 40/1 | 73,91 a | Ne 40/1 | 67,13 a |
| Ne 20/1 | 57,61 b | Ne 30/1 | 66,49 a |
| Ne 30/1 | 54,66 c | Ne 20/1 | 52,47 b |

Fig. 4.
Interaction between thermal conductivity, fabric weight and thickness of samples

Fig. 5.
Thermal conductivity measurement results of the samples

Fig. 6.
Distribution of thermal conductivity values of a) polyester and b) cotton samples
Table 4.
ANOVA table for a) polyester and b) cotton samples for thermal conductivity
| (a) | |||
|---|---|---|---|
| Source | Mean Square | F-ratio | Probability (F-ratio) |
| Yarn Fineness | 42.28 | 49.67 | < 0.001 |
| Error | 0.85 | ||
| (b) | |||
| Source | Mean Square | F-ratio | Probability (F-ratio) |
| Yarn Fineness | 29.69 | 39.27 | < 0,001 |
| Error | 0.76 | ||
Table 5.
Range test for a) polyester and b) cotton fabrics for thermal conductivity
| (a) | (b) | ||
|---|---|---|---|
| Yarn Count | Mean value | Yarn Count | Mean value |
| Ne 20/1 | 29.12 a | Ne 20/1 | 32.48 a |
| Ne 30/1 | 28.28 a | Ne 40/1 | 29.40 b |
| Ne 40/1 | 24.16 c | Ne 30/1 | 28.16 b |

Fig. 7.
Interaction between air permeability, fabric weight and thickness of samples

Fig. 8.
Air permeability measurement results of the samples

Fig. 9.
Distribution of air permeability values of a) polyester and b) cotton samples
Table 6.
ANOVA table for a) polyester and b) cotton samples for air permeability
| (a) | |||
|---|---|---|---|
| Source | Mean Square | F-ratio | Probability (F-ratio) |
| Yarn Fineness | 1394144 | 455.40 | < 0.001 |
| Error | 3061 | ||
| (b) | |||
| Source | Mean Square | F-ratio | Probability (F-ratio) |
| Yarn Fineness | 654530 | 959.01 | < 0,001 |
| Error | 683 | ||
Table 7.
Range test for a) polyester and b) cotton fabrics for air permeability
| (a) | (b) | ||
|---|---|---|---|
| Yarn Count | Mean value | Yarn Count | Mean value |
| Ne 40/1 | 2042 a | Ne 40/1 | 941.2 a |
| Ne 30/1 | 1374 b | Ne 30/1 | 383.0 b |
| Ne 20/1 | 1106 c | Ne 20/1 | 356.2 b |

Fig. 10.
Interaction between OMMC, fabric weight and thickness of samples

Fig. 11.
OMMC measurement results of the samples

Fig. 12.
Distribution of OMMC values of a) polyester and b) cotton samples