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Installation of flow deflectors and wing baffles to reduce dead zone and enhance flashing light effect in an open raceway pond
Zhang, Qinghua; Xue, Shengzhang; Yan, Chenghu; Wu, Xia; Wen, Shumei; Cong, Wei
2015-12-01
Source PublicationBIORESOURCE TECHNOLOGY
ISSN0960-8524
Volume198Issue:DECPages:150-156
AbstractTo reduce the dead zone and enhance the flashing light effect, a novel open raceway pond with flow deflectors and wing baffles was developed. The hydrodynamics and light characteristics in the novel open raceway pond were investigated using computational fluid dynamics. Results showed that, compared with the control pond, pressure loss in the flow channel of the pond with optimized flow deflectors decreased by 14.58%, average fluid velocity increased by 26.89% and dead zone decreased by 60.42%. With wing baffles built into the raceway pond, significant swirling flow was produced. Moreover, the period of average L/D cycle was shortened. In outdoor cultivation of freshwater Chlorella sp., the biomass concentration of Chlorella sp. cultivated in the raceway pond with wing baffles was 30.11% higher than that of the control pond. (C) 2015 Elsevier Ltd. All rights reserved.
KeywordOpen Raceway Pond Light/dark Cycle Computational Fluid Dynamics Flow Deflector Wing Baffle
SubtypeArticle
WOS HeadingsScience & Technology ; Life Sciences & Biomedicine ; Technology
DOI10.1016/j.biortech.2015.08.144
Indexed BySCI
Language英语
WOS KeywordMICROALGAE CULTIVATION ; MASS-TRANSFER ; FLUE-GASES ; PHOTOBIOREACTORS ; CULTURE ; INTENSITY ; REACTORS ; DESIGN ; SYSTEM ; GROWTH
WOS Research AreaAgriculture ; Biotechnology & Applied Microbiology ; Energy & Fuels
WOS SubjectAgricultural Engineering ; Biotechnology & Applied Microbiology ; Energy & Fuels
Funding OrganizationNational High-Tech 863 Program(2014AA022002)
WOS IDWOS:000363487500020
Citation statistics
Document Type期刊论文
Identifierhttp://ir.ipe.ac.cn/handle/122111/19760
Collection生化工程国家重点实验室
AffiliationChinese Acad Sci, Inst Proc Engn, Natl Key Lab Biochem Engn, Beijing 100190, Peoples R China
Recommended Citation
GB/T 7714
Zhang, Qinghua,Xue, Shengzhang,Yan, Chenghu,et al. Installation of flow deflectors and wing baffles to reduce dead zone and enhance flashing light effect in an open raceway pond[J]. BIORESOURCE TECHNOLOGY,2015,198(DEC):150-156.
APA Zhang, Qinghua,Xue, Shengzhang,Yan, Chenghu,Wu, Xia,Wen, Shumei,&Cong, Wei.(2015).Installation of flow deflectors and wing baffles to reduce dead zone and enhance flashing light effect in an open raceway pond.BIORESOURCE TECHNOLOGY,198(DEC),150-156.
MLA Zhang, Qinghua,et al."Installation of flow deflectors and wing baffles to reduce dead zone and enhance flashing light effect in an open raceway pond".BIORESOURCE TECHNOLOGY 198.DEC(2015):150-156.
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