Thermal transport across nanoscale solid-fluid interfaces | Zendy

Sohail Murad | Zendy; Ishwar K. Puri | Zendy

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Thermal transport across nanoscale solid-fluid interfaces

Author(s) -

Sohail Murad,

Ishwar K. Puri

Publication year - 2008

Publication title -

applied physics letters

Language(s) - English

Resource type - Journals

SCImago Journal Rank - 1.182

H-Index - 442

eISSN - 1077-3118

pISSN - 0003-6951

DOI - 10.1063/1.2905281

Subject(s) - phonon , nanoscopic scale , thermal resistance , materials science , interfacial thermal resistance , thermal , heat flux , molecular dynamics , interface (matter) , thermal conductivity , chemical physics , heat transfer , mechanics , thermodynamics , condensed matter physics , nanotechnology , composite material , chemistry , physics , capillary number , capillary action , computational chemistry

An explanation for the effective thermal resistance RK can be based on the impedance to the passage of thermal phonons across an interface. We conjecture that (1) increasing the fluid pressure, and (2) making an interface more hydrophilic should facilitate better acoustic matching and thus lower RK. Our molecular dynamics simulations confirm this. Overall, RK decreases with increasing temperature and is inversely proportional to the heat flux.

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