Thermal characterization of a new bio-composite building material based on plaster and waste chicken feathers | Renewable Energy and Environmental Sustainability

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Table 1

Measurement input data and experimental results for the thermal conductivity of various samples.

	Test	e _s (cm)	U (V)	Re (Ω)	T ₀ (°C)	T ₁ (°C)	T ₂ (°C)	λ (W/m.K)
Pure plaster	1	3.02	14.157	37.89	32.779	21.923	20.735	0.523
	2				33.908	22.969	21.873	0.519
	3				34.654	23.724	22.658	0.520
	Mean value of thermal conductivity (W/m.K)							0.520
	Standard max deviation (%)							0.6
P+2% WCF	1 2 3	3.22	14.101	37.89	40.167	27.360	27.600	0.445
					36.413	23.884	23.037	0.445
					37.403	25.484	23.862	0.466
	Mean value of thermal conductivity (W/m.K)							0.452
	Standard max deviation (%)							3.1
P+3% WCF	1	3.22	14.101	37,89	36,523	23,865	21,437	0,421
	2				39,073	25,861	23,905	0,403
	3				35,78	22,809	21,602	0,420
	Mean value of thermal conductivity (W/m.K)							0.415
	Standard max deviation (%)							2.9
P+4% WCF	1	3.24	14.101	37.89	37.656	23.663	22.853	0.386
	2				39.001	24.595	23.665	0.370
	3				37.322	23.293	23.983	0.401
	Mean value of thermal conductivity (W/m.K)							0.386
	Standard max deviation (%)							4.1
P+5% WCF	1	3.40	14.101	37.89	39.042	23.809	23.526	0.365
	2				40.235	24.774	24.746	0.360
	3				40.696	25.281	25.426	0.364
	Mean value of thermal conductivity (W/m.K)							0.363
	Standard max deviation (%)							0.8

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