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    Computational Fluid Dynamics Modeling of Gas-Particle Flow Within a Solid-Particle Solar Receiver

    Source: Journal of Solar Energy Engineering:;2007:;volume( 129 ):;issue: 002::page 160
    Author:
    Huajun Chen
    ,
    Nathan Siegel
    ,
    Yitung Chen
    ,
    Hsuan-Tsung Hsieh
    DOI: 10.1115/1.2716418
    Publisher: The American Society of Mechanical Engineers (ASME)
    Abstract: A detailed three-dimensional computational fluid dynamics (CFD) analysis on gas-particle flow and heat transfer inside a solid-particle solar receiver, which utilizes free-falling particles for direct absorption of concentrated solar radiation, is presented. The two-way coupled Euler-Lagrange method is implemented and includes the exchange of heat and momentum between the gas phase and solid particles. A two-band discrete ordinate method is included to investigate radiation heat transfer within the particle cloud and between the cloud and the internal surfaces of the receiver. The direct illumination energy source that results from incident solar radiation was predicted by a solar load model using a solar ray-tracing algorithm. Two kinds of solid-particle receivers, each having a different exit condition for the solid particles, are modeled to evaluate the thermal performance of the receiver. Parametric studies, where the particle size and mass flow rate are varied, are made to determine the optimal operating conditions. The results also include detailed information for the gas velocity, temperature, particle solid volume fraction, particle outlet temperature, and cavity efficiency.
    keyword(s): Flow (Dynamics) , Particulate matter , Solar energy , Temperature AND Computational fluid dynamics ,
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      Computational Fluid Dynamics Modeling of Gas-Particle Flow Within a Solid-Particle Solar Receiver

    URI
    http://yetl.yabesh.ir/yetl1/handle/yetl/136805
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    • Journal of Solar Energy Engineering

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    contributor authorHuajun Chen
    contributor authorNathan Siegel
    contributor authorYitung Chen
    contributor authorHsuan-Tsung Hsieh
    date accessioned2017-05-09T00:25:43Z
    date available2017-05-09T00:25:43Z
    date copyrightMay, 2007
    date issued2007
    identifier issn0199-6231
    identifier otherJSEEDO-28403#160_1.pdf
    identifier urihttp://yetl.yabesh.ir/yetl/handle/yetl/136805
    description abstractA detailed three-dimensional computational fluid dynamics (CFD) analysis on gas-particle flow and heat transfer inside a solid-particle solar receiver, which utilizes free-falling particles for direct absorption of concentrated solar radiation, is presented. The two-way coupled Euler-Lagrange method is implemented and includes the exchange of heat and momentum between the gas phase and solid particles. A two-band discrete ordinate method is included to investigate radiation heat transfer within the particle cloud and between the cloud and the internal surfaces of the receiver. The direct illumination energy source that results from incident solar radiation was predicted by a solar load model using a solar ray-tracing algorithm. Two kinds of solid-particle receivers, each having a different exit condition for the solid particles, are modeled to evaluate the thermal performance of the receiver. Parametric studies, where the particle size and mass flow rate are varied, are made to determine the optimal operating conditions. The results also include detailed information for the gas velocity, temperature, particle solid volume fraction, particle outlet temperature, and cavity efficiency.
    publisherThe American Society of Mechanical Engineers (ASME)
    titleComputational Fluid Dynamics Modeling of Gas-Particle Flow Within a Solid-Particle Solar Receiver
    typeJournal Paper
    journal volume129
    journal issue2
    journal titleJournal of Solar Energy Engineering
    identifier doi10.1115/1.2716418
    journal fristpage160
    journal lastpage170
    identifier eissn1528-8986
    keywordsFlow (Dynamics)
    keywordsParticulate matter
    keywordsSolar energy
    keywordsTemperature AND Computational fluid dynamics
    treeJournal of Solar Energy Engineering:;2007:;volume( 129 ):;issue: 002
    contenttypeFulltext
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