Topic
Heat transfer
About: Heat transfer is a research topic. Over the lifetime, 181795 publications have been published within this topic receiving 2923586 citations. The topic is also known as: heat exchange.
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TL;DR: In this article, a coupled simulation method based on Monte Carlo Ray Trace (MCRT) and Finite Volume Method (FVM) is established to solve the complex coupled heat transfer problem of radiation, heat conduction and convection in parabolic trough solar collector system.
364 citations
Journal Article•
TL;DR: In this article, the authors derived the maximum and minimum heat-transfer rates in the nucleate and the film-boiling regimes, respectively, using the classical results of Helmholtz Kelvan and Rayleigh expressions.
Abstract: Boiling heat transfer in the nucleate region is reviewed The transition film-boiling region is analyzed by considering the stability of a plane vortex sheet separating two inviscid fluids Using the classical results of Helmholtz Kelvan and Rayleigh expressions have been derived that predict the maximum and minimum heat-transfer rates in the nucleate and the film-boiling regimes, respectively The model exhibits the essential features of the phenomenon and shows good agreement with experimental data (auth)
364 citations
TL;DR: This result suggests that high densities of interfaces between dissimilar materials may provide a route for the production of thermal barriers with ultra-low thermal conductivity.
Abstract: Atomic layer deposition and magnetron sputter deposition were used to synthesize thin-film multilayers of W/Al 2 O 3 . With individual layers only a few nanometers thick, the high interface density produced a strong impediment to heat transfer, giving rise to a thermal conductivity of ∼0.6 watts per meter per kelvin. This result suggests that high densities of interfaces between dissimilar materials may provide a route for the production of thermal barriers with ultra-low thermal conductivity.
363 citations
TL;DR: In this paper, the melting process in a triplex-tube heat exchanger with phase-change material (PCM) RT82.26 was numerically investigated using the Fluent 6.3.
363 citations
TL;DR: In this paper, the effects of Peclet number, volume concentration of suspended nanoparticles, and particle type on the heat characteristics of two different optimum nanoparticle concentrations exist in a shell and tube heat exchanger under turbulent flow condition.
363 citations