Articles with "thermal stratification" as a keyword



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Darcy–Boussinesq convective flow in a trapezoidal enclosure with thermal stratification

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Published in 2020 at "Journal of Thermal Analysis and Calorimetry"

DOI: 10.1007/s10973-020-09912-4

Abstract: We explore numerically the Darcy–Boussinesq convective flow of water, kerosene, and engine oil through the glass ball, aluminum foam and sandstone porous medium inside a right-angle trapezoidal enclosure taking into consideration of thermal stratification. The… read more here.

Keywords: stratification; darcy boussinesq; flow; boussinesq convective ... See more keywords
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Fluid Flow, Thermal Stratification, and Inclusion Motion During Holding Period in Steel Ladles

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Published in 2019 at "Metallurgical and Materials Transactions B"

DOI: 10.1007/s11663-019-01535-x

Abstract: In the current study, the fluid flow and thermal stratification during the holding period are numerically simulated. The standard k–ε two-equation turbulence model is adopted to describe the turbulence. The trajectories of inclusions are calculated… read more here.

Keywords: inclusion motion; holding period; fluid flow; thermal stratification ... See more keywords
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Numerical investigation on the thermal stratification in a pressurizer surge line

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Published in 2017 at "Annals of Nuclear Energy"

DOI: 10.1016/j.anucene.2016.11.024

Abstract: Abstract Thermal stratification is a common phenomenon in the surge line of Pressurized Water Reactors (PWRs). A study using Computational Fluid Dynamics (CFD) has been performed to analyze the thermal stratification in the pressurized surge… read more here.

Keywords: model; thermal stratification; surge; surge line ... See more keywords
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Experimental study on the thermal stratification in a pool boiling with a horizontal heat source

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Published in 2017 at "Annals of Nuclear Energy"

DOI: 10.1016/j.anucene.2017.03.036

Abstract: Abstract Large pools of water near atmospheric pressure have been incorporated into several advanced nuclear reactor designs. These pools provide a heat sink to remove heat from the reactor or containment by natural circulation and… read more here.

Keywords: stratification; pool boiling; heater rod; thermal stratification ... See more keywords
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Effect of varying extent of PCM capsule filling on thermal stratification performance of a storage tank

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Published in 2019 at "Energy"

DOI: 10.1016/j.energy.2019.04.101

Abstract: Abstract Among the different pathways of improving the energy storage and energy utilization in a thermal energy storage system, the formation of thermal stratification in hot water tanks is a promising technology. In this study,… read more here.

Keywords: tank; pcm; storage; thermal stratification ... See more keywords
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Experimental investigation on natural convection and thermal stratification of IRWST using PIV measurement

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Published in 2019 at "International Journal of Heat and Mass Transfer"

DOI: 10.1016/j.ijheatmasstransfer.2019.01.067

Abstract: Abstract Passive Residual Heat Removal Heat Exchanger (PRHR HX) immerged in the In-containment Refueling Water Storage Tank (IRWST) plays an important role in removing the core decay heat under non-Loss of Coolant Accident (LOCA) accident.… read more here.

Keywords: natural convection; irwst; heat; thermal stratification ... See more keywords
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Transitional natural convection flow in a vertical channel: Impact of the external thermal stratification

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Published in 2020 at "International Journal of Heat and Mass Transfer"

DOI: 10.1016/j.ijheatmasstransfer.2020.119476

Abstract: Abstract The impact of the external thermal stratification on the flow behavior and the mass flow rate in an open ended vertical channel with one side uniformly heated is investigated experimentally and numerically. Both experimental… read more here.

Keywords: stratification; external thermal; thermal stratification; vertical channel ... See more keywords
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Thermal stratification suppression in reduced or zero boil-off hydrogen tank by self-spinning spray bar

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Published in 2019 at "International Journal of Hydrogen Energy"

DOI: 10.1016/j.ijhydene.2019.05.241

Abstract: Abstract Thermal stratification of cryogenic propellants under the condition of external heat leakage is a dominating factor pressurizing the storage tank, which hinders long-term on-orbit storage missions for future explorations. Whether a thermodynamic venting system… read more here.

Keywords: tank; boil; thermal stratification; spray bar ... See more keywords
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Mechanism of nitrous oxide (N2O) production during thermal stratification of a karst, deep-water reservoir in southwestern China

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Published in 2021 at "Journal of Cleaner Production"

DOI: 10.1016/j.jclepro.2021.127076

Abstract: Abstract Reservoirs are hotspots of greenhouse gas (GHG) emission, and the global warming potential of nitrous oxide (N2O) is higher than that of CO2 and CH4. To promote our understanding of the relationship of biotic… read more here.

Keywords: n2o production; reservoir; thermal stratification; water ... See more keywords
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TRACE code demonstration of thermal stratification in BWR suppression pool

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Published in 2019 at "Nuclear Engineering and Design"

DOI: 10.1016/j.nucengdes.2019.110357

Abstract: Abstract An analytical model was developed to describe thermal stratification in a primary containment vessel (PCV) and transient thermal-hydraulics coupled with a reactor pressure vessel (RPV) using TRACE code version 5.0 patch level 4. Geometries… read more here.

Keywords: trace code; thermal stratification; pool;
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CFD Analysis of Thermal Stratification under PLOFA transient in CLEAR-S

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Published in 2019 at "Progress in Nuclear Energy"

DOI: 10.1016/j.pnucene.2019.03.011

Abstract: Abstract Lead-based reactor engineering validation facility CLEAR-S is a large scale integrated non-nuclear pool type facility which has been built to provide a unique experimental platform for full-scale prototype components test of lead based reactor.… read more here.

Keywords: pool; lead based; transient; stratification ... See more keywords