2020
Numerical simulation on optimizing flow field and flashing-light effect in jet-aerated tangential swirling-flow plate photobioreactor to improve microalgal growth
Cheng J, Lai X, Ye Q, Guo W, Zhou J. Numerical simulation on optimizing flow field and flashing-light effect in jet-aerated tangential swirling-flow plate photobioreactor to improve microalgal growth. Chemical Engineering Science 2020, 215: 115371. DOI: 10.1016/j.ces.2019.115371.Peer-Reviewed Original ResearchTurbulent kinetic energyDead zoneComputational fluid dynamics simulationsFluid dynamics simulationsFlashing-light effectsLight time ratioPlate photobioreactorTangential jetFlow fieldVertical vorticesSecondary vorticesNumerical simulationsKinetic energyMicroalgal growthPhotobioreactorVorticesCm2/s2SimulationsDynamics simulationsCO2 fixation rateTime ratioZoneJetBiomass dry weightFrequencyA novel porous nickel-foam filled CO2 absorptive photobioreactor system to promote CO2 conversion by microalgal biomass
Guo W, Cheng J, Liu S, Feng L, Su Y, Li Y. A novel porous nickel-foam filled CO2 absorptive photobioreactor system to promote CO2 conversion by microalgal biomass. The Science Of The Total Environment 2020, 713: 136593. PMID: 31955094, DOI: 10.1016/j.scitotenv.2020.136593.Peer-Reviewed Original ResearchConceptsConversion efficiencyPore diameterAbsorption reactorPhotobioreactor systemLow conversion efficiencyMicroalgal biomassGas outflow rateVolume fractionShort residence timeNumerical simulationsCO2 conversionRaceway pondsBiomass growth rateReactorGasResidence timeEfficiencyOutflow rateReaction rateCODiameterMicroalgal cellsRelative height
2019
Three-dimensional numerical simulation of light penetration in an optimized flow field composed of microalgae cells, carbon dioxide bubbles and culture medium
Guo W, Cheng J, Song Y, Liu S, Ali KA, Kumar S. Three-dimensional numerical simulation of light penetration in an optimized flow field composed of microalgae cells, carbon dioxide bubbles and culture medium. Bioresource Technology 2019, 292: 121979. PMID: 31445241, DOI: 10.1016/j.biortech.2019.121979.Peer-Reviewed Original ResearchConceptsOptimized flow fieldFlow fieldNumerical simulationsThree-dimensional numerical simulationsComputational fluid dynamicsBubble volume fractionMicroalgae cellsCarbon dioxide bubblesBubble diameterConic bafflesFluid dynamicsSolution depthVolume fractionRaceway pondsMicroalgae cell concentrationIncident irradiationBiomass growth rateMicroalgae growthBubblesLight penetrationSimulationsPenetrationBaffles
2018
Numerical simulation on promoting light/dark cycle frequency to improve microalgae growth in photobioreactor with serial lantern-shaped draft tube
Ye Q, Cheng J, Guo W, Xu J, Li H, Zhou J. Numerical simulation on promoting light/dark cycle frequency to improve microalgae growth in photobioreactor with serial lantern-shaped draft tube. Bioresource Technology 2018, 266: 89-96. PMID: 29957295, DOI: 10.1016/j.biortech.2018.06.055.Peer-Reviewed Original ResearchConceptsLight/dark cycle frequencyDark cycle frequencyTurbulent kinetic energyDraft tubeAverage turbulent kinetic energyComputational fluid dynamicsFlashing-light effectsKinetic energyLight time ratioMicroalgal biomass yieldCycle frequencyFlow regionFluid dynamicsAxial velocityNumerical simulationsMicroalgal solutionColumn photobioreactorMicroalgae growthVelocityAverage radial velocityRadial velocityPhotobioreactorSixfold improvementTubeEnergy