Thermophysical Properties: Silver

From Thermal-FluidsPedia

Silver, Ag, Molecular Mass: 107.9, (Tsat = 2212 °C; Tm = 960.5 °C)
T Temp. °C	pv saturation pressure (105 Pa)	hlv latent heat (kJ/kg)	ρℓ liquid density (kg/m³)	ρv vapor density ( kg/m³)	μℓ liquid viscosity (10-3 N-s/m²)	μv vapor viscosity (10-6 N-s/m²)	kℓ liquid thermal conductivity a (W/m-K)	kv vapor thermal conductivity (W/m-K)	σ liquid surface tension (10-3N/m)	cp,ℓ liquid specific heat (kJ/kg-K)	cp,v vapor specific heat (kJ/kg-K)
1500	0.01008	298	8782	0.0076	2.88	61.69	191.3		827.5
1600	0.02420	298	8683	0.01698	2.47	64.69	192.7		810.1
1700	0.05300	298	8585	0.03548	2.08	67.69	194.1		792.1
1800	0.10800	298	8485	0.06823	1.75	70.69	195.5		775.3
1900	0.20600	298	8385	0.12300	1.44	73.69	196.9		757.9
2000	0.38300	298	8289	0.21880	1.17	76.69	198.3		740.5
2100	0.63500	298	8190	0.35480	0.90	79.69	199.7		723.1
2200	0.86000	298	8092	0.57540	0.67	82.69			705.7
2300	1.36000	298	8000	0.87100	0.44	85.69			638.0
2400	2.53000	298	7894	1.23000	0.24	88.69			680.0
2500	3.84000	298	7796	1.82000	0.05	91.69			665.0

Propertya	Temp.	α0	α1	α2	α3	α4	α5	Error(%)
pv (105Pa)	1500–2500 K	263.11	-7.1135-1b	7.2544-4	-3.5810-7	8.6526-11	-8.2124-15	3.94
hlv (kJ/kg)
ρℓ (kg/m³)	1500–2500 K	8.5176	1.6679-3	-1.7069-6	8.0584-10	-1.8715-13	1.7012-17	0.02
ρv (kg/m³)	1500–2500 K	-173.43	3.9882-1	-3.8988-4	1.9489-7	-4.8845-11	4.8792-15	4.93
μℓ, c (10-3Ns/m²)	1500–2500 K	-5.3864-1	3.1996-2	-4.6751-5	2.7477-8	-7.5466-12	8.0128-16	1.14
μv (10-6 Ns/m²)	1500–2500 K	2.9330	1.2850-3	-4.9599-7	1.4551-10	-2.5305-14	1.9217-18	0.01
kℓ (W/m-K)	1500–2100 K	5.1376	8.2034-5	-3.2260-9	1.2246-13	0.0	0.0	0.01
kv (W/m-K)
σ (10-3N/m)	1500–2500 K	3.1881	1.7708-2	-2.7287-5	1.8780-8	-6.0622-12	7.4708-16	1.18
cp,ℓ (kJ/kg-K)
cp,v (kJ/kg-K)

a Polynomial function: ln(Property) = α₀ + α₁T + α₂T² + α₃T³ + α₄T⁴ + α₅T⁵

b The notation 7.1135-1 signifies 7.1135×10-1

c Polynomial Function: Property = α₀ + α₁T + α₂T² + α₃T³ + α₄T⁴ + α₅T⁵

References

Brennan, P.J., and Kroliczek, E.J., 1979, Heat Pipe Design Handbook, Vol. 2, prepared for NASA Goddard by B&K Engineering, Inc., Suite 825, One Investment Place, Towson, MD.

Faghri, A., and Zhang, Y., 2006, Transport Phenomena in Multiphase Systems, Elsevier, Burlington, MA.

Faghri Amir , Zhang Yuwen , Howell John, 2010, Advanced Heat and Mass Transfer, 1st ed., Global Digital Press, Columbia, MO

Ivanovskii, M.N., Sorokin, V.P., and Yagodkin, I.V., 1982, The Physical Principles of Heat Pipes, Clarendon Press, Oxford, UK.

Further Reading

External Links