A carbon nanotube is suspended across a trench of width s
Chapter , Problem 3.12(choose chapter or problem)
A carbon nanotube is suspended across a trench of width s 5 m that separates two islands, each at T 300 K. A focused laser beam irradiates the nanotube at a distance from the left island, delivering q 10 W of energy to the nanotube. The nanotube temperature is measured at the midpoint of the trench using a point probe. The measured nanotube temperature is T1 324.5 K for 1 1.5 m and T2 326.4 K for 2 3.5 m. Determine the two contact resistances, Rt,c,L and Rt,c,R at the left and right ends of the nanotube, respectively. The experiment is performed in a vacuum with Tsur 300 K. The nanotube thermal conductivity and diameter are kcn 3100 W/m K and D 14 nm, respectively. 3.
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