Research on the design process and comfort optimisation path of functional clothing based on the principle of heat transfer

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The fabric cold and heat conductivity meter of 7 tissues

Results Organization		Flax 1	Flax 2	Flax 3	Flax 4	Flax 5	Flax 6	Flax 7
Q-max	Anti -	0.1108	0.0955	0.0915	0.0933	0.085	0.0861	0.0792
	Positive	0.1161	0.0988	0.0967	0.0918	0.0876	0.085	0.0805
K	Anti -	4.9658	4.8194	4.599	4.2184	3.8469	4.0418	3.4881
	Positive	5.1459	4.983	4.5598	4.3121	3.8699	4.0907	3.6039

The fabric cold and heat conductivity of different cotton 5 different cotton 5

Results NP5		12.5	12.7	12.9	13	13.3	13.5	13.7	13.9	14	14.3
Cotton 5Q-max	Anti -	0.0665	0.0648	0.0651	0.0592	0.0543	0.0602	0.0547	0.0552	0.0546	0.0514
	Positive	0.0676	0.0644	0.0632	0.0664	0.0669	0.0703	0.0632	0.0627	0.0611	0.0629
Cotton 5K	Anti -	2.905	2.7328	2.6047	2.525	2.4895	2.4554	2.2581	2.323	2.2232	2.1231
	Positive	2.977	2.7666	2.6129	2.604	2.4843	2.4366	2.2904	2.3584	2.2009	2.0843

The fabric cold and heat conductivity of five group of cotton tissue

Results Organization		Cotton 1	Cotton 2	Cotton 3	Cotton 4	Cotton 5
Q-max	Anti -	0.0871	0.0799	0.0822	0.0755	0.0975
	Positive	0.0928	0.0843	0.0777	0.075	0.1062
K	Anti -	3.9328	3.2557	3.1594	2.999	4.4633
	Positive	3.8785	3.2918	3.1414	3.158	4.5425

Ingredients and specifications of the selected fabrics

Fabric number	Material type	Thickness(mm)	Gram weight(g/m2)	Volume weight(g/cm3)
1	Modale	0.4258	129	0.3305
2	Flax	0.6918	221	0.3448
3	Cotton	0.5252	209	0.4265
4	Wool	0.593	254	0.4566
5	Polyester fibre	0.333	116	0.504
6	Viscose	0.4214	177	0.451

Simulate the heat resistance of the thickness fabric under the dry skin(clo)

Thickness(mm) Numbering	0	2	6	10	15	20
1	0.131	0.513	0.9	0.955	0.893	0.905
2	0.108	0.576	1.111	1.085	1.111	1.095
3	0.203	0.702	1.297	1.335	1.283	1.214
4	0.201	0.753	1.35	1.371	1.35	1.309
5	0.2	0.796	1.369	1.414	1.379	1.324
6	0.184	0.796	1.35	1.469	1.543	1.336
7	0.215	0.816	1.41	1.544	1.596	1.379
8	0.231	0.863	1.557	1.633	1.728	1.518
9	0.255	0.938	1.658	1.826	1.78	1.35
10	0.289	0.983	1.722	1.804	1.868	1.642
11	0.231	0.757	1.401	1.319	1.535	1.321
12	0.359	0.78	1.376	1.333	1.769	1.57
13	0.355	0.859	1.472	1.691	1.823	1.623
14	0.385	0.927	1.607	1.753	1.868	1.7
15	0.41	0.983	1.686	1.806	1.823	1.73
16	0.208	0.919	1.581	1.683	1.544	1.69
17	0.241	0.975	1.641	1.776	1.782	1.672
18	0.199	0.883	1.517	1.713	1.782	1.661
19	0.219	0.996	1.696	1.753	1.871	1.661
20	0.219	0.842	1.464	1.673	1.7	1.501
21	0.228	1.068	1.724	1.82	1.942	1.71
22	0.194	0.833	1.464	1.626	1.71	1.493

Experiment with instruments and equipment

Instrument name	Producer	Type
Thickness meter	Ningbo textile instrument factory	Yg141 type table fabric thickness tester
Constant temperature and humidity box	Ningbo textile instrument factory	Yg751 btype computer thermostat
Constant temperature oven	Laizhou electronic instrument co., LTD	The y802 basket thermostat oven
Electronic balance	Ohaus Corporation	n22120
Electronic balance	Ohaus Corporation	Ar2140 electronic analysis balance
breathalymeter	Ningbo textile instrument factory	Yg461 fabric medium pressure breathable meter
Thermal apparatus	Changzhou no.2 textile mill	Yg606a flat-panel thermal apparatus
Plate incubator	Beijing sirethai technology co., LTD	Pbw-25 smart flat fabric insulation device
Plate incubator	Raytek Corporation	Mt2 non-contact infrared thermometer
Infrared thermometer	IR SnapShot	Lm525 infrared thermograph
Wind velocity	Taiwan taiyi electronics co., LTD	Avm-05 temperature/anemometer

Summer knitting dress loose quantity design

Clothing variety	Maximum loose quantity
	Collar circumference	Chest circumference	Shoulder width	Waistline	Hip circumference
Men’s T-shirt	3.1	24	4	-	-
Men’s spring shirt	5.1	22	4	-	-
T-shirt for women	2.8	18	4	-	-
Frock	2.8	14	1.7	-	11

The heating power of the thickness of the air layer under the wet skin(W

Thickne ss (mm) Numbering	0	2	6	10	15	20
1	19.01	13.42	12.01	9.14	8.94	11.05
2	17.71	13.09	11.03	8.57	8.55	10.33
3	16.81	11.98	10.9	8.41	8.29	9.68
4	17.7	12.59	10.86	8.4	8.18	9.92
5	17.64	12.53	10.97	8.22	8.28	9.64
6	16.47	12.48	10.41	8.08	7.64	9.5
7	17.61	12.51	10.5	8.26	8.25	9.74
8	17	12.23	10.37	8	7.95	9.13
9	16.67	12.48	10.46	8.32	8.05	9.57
10	16.69	12.18	10.05	7.96	7.75	9.38
11	16.85	12.49	10.26	8.3	7.89	9.4
12	15.3	11.85	9.82	7.95	7.79	8.78
13	16.24	12.17	10.18	8.04	7.8	9.05
14	15.47	11.86	9.73	7.79	7.53	8.81
15	15.89	11.85	9.63	7.86	7.23	8.84
16	14.89	11.35	9.15	7.27	7.19	8.23
17	9.23	7.95	7.2	5.9	5.76	7
18	14.28	11.32	9.09	6.76	6.84	7.9
19	14.74	11.34	9.1	7.12	6.88	7.92
20	13.61	11.28	9.69	7.5	7.5	8.22
21	12.88	10.89	8.96	7.4	7.4	8.03
22	13.59	11.28	9.84	7.76	7.92	8.85

The average skin temperature of the subjects in six kinds of clothing(°C)

Clothing number Stage	1	2	3	4	5	6
0-10min	32.61±0.32	32.55±0.19	32.31±0.23	33.11±0.47	32.25±0.21	32.51±0.26
10-20min	32.63±0.12	32.15±0.13	32.42±0.41	32.42±0.12	32.30±0.32	32.23±0.25
20-30min	32.22±0.11	32.20±0.35	32.35±0.15	32.38±0.21	32.64±0.16	32.26±0.13
30-40min	31.54±0.31	31.76±0.55	31.58±0.35	32.14±0.11	32.15±0.34	31.22±0.36
40-50min	32.22±0.35	32.23±0.44	32.37±0.31	32.34±0.41	32.18±0.41	32.45±0.44
50-60min	32.52±0.33	32.53±0.12	32.25±0.33	32.85±0.33	33.39±0.21	32.11±0.33

The fabric cold and heat conductivity of different flax 1

Results NP5		12.5	12.7	12.9	13	13.3	13.5	13.7	13.9	14	14.3
Flax 1Q-max	Anti -	0.0628	0.0674	0.0674	0.0695	0.0705	0.075	0.0776	0.0744	0.0773	0.0789
	Positive	0.0716	0.0721	0.0713	0.0743	0.0722	0.0764	0.0748	0.0755	0.073	0.0789
Flax 1K	Anti -	4.7629	4.5136	4.4051	4.3243	4.2513	4.3371	4.516	4.5683	4.754	4.9316
	Positive	4.7781	4.5264	4.4343	4.3172	4.2559	4.401	4.4899	4.7094	4.739	5.0635