Journal ArticleDOI
Fluid flow and convective heat transfer to fluids at supercritical pressure
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In this paper, the authors investigated the effects of strong non-uniformity of fluid properties whilst avoiding other complications associated with the temperature dependence of density, which can lead to important effects on the mean flow and turbulence fields and heat transfer effectiveness.About:
This article is published in Nuclear Engineering and Design.The article was published on 2013-11-01. It has received 298 citations till now. The article focuses on the topics: Convective heat transfer & Churchill–Bernstein equation.read more
Citations
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Review of supercritical CO2 technologies and systems for power generation
TL;DR: A review of the current state-of-the-art of sCO 2 power generation systems, with a focus on technical and operational issues, is provided in this article, where the authors discuss the current research and development status in the areas of turbomachinery, heat exchangers, materials and control system design with priority given to experimental prototypes.
Journal ArticleDOI
Experimental investigation of convection heat transfer of n-decane at supercritical pressures in small vertical tubes
TL;DR: In this article, the effects of heat fluxes, property variations, buoyancy and flow acceleration on the convection heat transfer were studied, and the results showed that for high inlet Reynolds numbers neither buoyancy nor flow acceleration affects heat transfer significantly.
Journal ArticleDOI
Supercritical “boiling” number, a new parameter to distinguish two regimes of carbon dioxide heat transfer in tubes
TL;DR: In this paper, the authors developed a criterion to predict the onset of heat transfer deterioration (HTD) for supercritical CO2 heat transfer by assuming supercritical pseudo-boiling.
Journal ArticleDOI
The status of the research on the heat transfer deterioration in supercritical fluids: A review
TL;DR: In this paper, both experimental and computational research on the turbulent convective heat transfer to supercritical fluids is particularly active, especially because the actual poor comprehension and prediction of the possible heat transfer deterioration is limiting the design of new promising engineering applications.
Journal ArticleDOI
Improvement of buoyancy and acceleration parameters for forced and mixed convective heat transfer to supercritical fluids flowing in vertical tubes
TL;DR: In this article, an analytical approach is applied to examine the buoyancy and acceleration effects on forced and mixed convective heat transfer at supercritical pressures, and two non-dimensional parameters have been developed for these effects.
References
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Book
Convective Heat and Mass Transfer
W. M. Kays,J. H. Whitelaw +1 more
TL;DR: In this article, the echangeurs de : chaleur, couche de : limite, modeles de : turbulence, transfert de masse reference record created on 2005-11-18, modified on 2016-08-08
Journal ArticleDOI
Equilibrium layers and wall turbulence
TL;DR: In this paper, a consistent theory for self-preserving wall flow was developed by assuming a linear-stress layer, and the solutions showed the relation between flows of finite stress and of zero stress and provided a plausible explanation of the phenomenon of downstream instability observed by Clauser.
Journal ArticleDOI
Forced convective heat transfer to supercritical water flowing in tubes
TL;DR: In this article, a comprehensive set of data was obtained for pressures from 226 to 294 bar, bulk temperatures from 230 to 540°C, heat fluxes from 116 to 930 kW/m 2 and mass velocities from 310 to 1830 kg/m2s.
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Igor Pioro,Romney B. Duffey +1 more