Simulation Tools and Methods for Supercritical Carbon Dioxide Radial Inflow Turbine: Development and Application on Open-Source Code

310 Pages·2023·9.169 MB·English

by  Jianhui Qi

Jianhui Qi
Simulation Tools
and Methods
for Supercritical
Carbon Dioxide
Radial Inflow
Turbine
Development and Application on
Open-Source Code
Simulation Tools and Methods for Supercritical
Carbon Dioxide Radial Inflow Turbine
Jianhui Qi
Simulation Tools
and Methods for Supercritical
Carbon Dioxide Radial
Inflow Turbine
Development and Application on
Open-Source Code
JianhuiQi
SchoolofEnergyandPowerEngineering
ShandongUniversity
Jinan,Shandong,China
ISBN 978-981-19-2859-8 ISBN 978-981-19-2860-4 (eBook)
https://doi.org/10.1007/978-981-19-2860-4
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Funding Information
•
NationalNaturalScienceFoundationofChina(52106049)
•
NationalNaturalScienceFoundationofChina(52130608)
•
BeijingNaturalScienceFoundation(3222048)
•
NaturalScienceFoundationofShandongProvince(ZR2020QE191)
•
NaturalScienceFoundationofJiangsuProvince(BK20210113)
•
ChinaPostdoctoralScienceFoundation(2021M701183)
•
YoungScholarsProgramofShandongUniversity(31380089964175)
•
ChinaScholarshipCouncil(201406220150)
v
Tomybelovedparents,Mr.XueliangQiand
Ms.XunhuaWang
Foreword by Jinliang Xu
IamProf.JinliangXu,theDirectorofBeijingKeyLaboratoryofMultiphaseFlow
andHeatTransferforLowGradeEnergyUtilization(China).IhavebeenthePrin-
cipalInvestigatoroftheNationalKeyR&DProgramofChinaforSupercriticalCO
2
coalfiredpowerplant.Iamwritingthisforewordtorecommendthepublicationof
the book Simulation Tools and Methods for Supercritical Carbon Dioxide Radial
Inflow Turbine authored by Dr. Jianhui Qi. This book focused on the description,
explanation,andcommentonthesimulationtoolsandmethodsofsupercriticalCO
2
(sCO ) turbomachinery, which is one of the most important components in sCO
2 2
cycle.
The Chinese Government has issued a series of documents to explain China’s
controloverthecarbondioxideemissions.PresidentXiJinpingstatedthat“weaimto
havecarbondioxideemissionspeakbefore2030andachievecarbonneutralitybefore
2060”, i.e. the “Dual-carbon” goal. To achieve this target, China is expanding the
utilizationofrenewableenergyincludingsolarenergyandwindenergy.Meanwhile,
Chinaisdevelopinghighefficiencyandflexiblecoalfiredpowerplant,usingsCO
2
cycleinsteadofwidelyusedsupercriticalwater-steamRankinecycle.Forthermal-
power conversion, the sCO cycle has the benefit of higher efficiency, compacter
2
size,andfasterresponsetoloadvariations,comparedwithothertechnologies.The
accuratedesignofsCO turbineisoneofthechallengesforsCO cycledevelopment.
2 2
ThebookauthoredbyDr.JianhuiQifillsthisgap.Iamsurethatthebookwillprovide
valuableguidelineforthedesignandoperationofsCO turbomachinery,andattract
2
widerreadersfromscientists,engineers,andyoungstudentsworkinginthisarea.
Dr.JianhuiQiobtainedhisPh.D.degreefromUniversityofQueenslandin2019,
and joined Shandong University as an associate professor in 2020. In the winter
of 2020, he joined my group as a visiting scholar at North China Electric Power
University. From my close contact with him, I found that he is very smart and
creative. I am impressed that he has wide knowledge in thermal physics field. He
haspublishedabout10high-qualitypapersregardingsCO turbomachinery,andis
2
activeforattendingvariousacademicconferences.
Thebooknotonlycontainsthecollectionsofhispreviousworks,butalsoincludes
otherpeople’sworkworldwide.Amajorcontentofthisbookreferstothepreliminary
ix
x ForewordbyJinliangXu
design of radial inflow turbine. Especially, he summarized his progress made in
the batch design for stator and rotor. Based on his study, the preliminary design
tool TOPGEN is improved, adding the capability to design sCO radial turbine.
2
He improved the turbine loss models to increase the prediction accuracy. As an
inversedesign,Dr.JianhuiQiovercamethechallengeforstatornozzleguidevanes
design,bydesigningthestatorgeometrybasedonrotorinletgeometryandoperation
conditions. With these improvements, readers can easily and quickly identify an
optimizedturbinedesign.
Dr.JianhuiQialsocontributedtotheimprovementofopen-sourcesoftware.He
developedandvalidatedanapproximateRiemannsolverwhichcansolvesupersonic
flow problems. The solver is implemented in the OpenFOAM. The non-ideal gas
equationisembeddedintheRiemannsolverwiththelook-uptablemethod.Ahigh-
quality structured mesh generator is developed for turbomachinery in Eilmer4. A
modularizedgeometryoptimizerisdevelopedforoptimizationpurposewithPython
language.Heinnovativelylinkedtheaboveimprovementsforfastandaccuratedesign
ofturbomachinery.Allthesecontentsarereflectedinthebook.
In summary, Simulation Tools and Methods for Supercritical Carbon Dioxide
Radial Inflow Turbine is a valuable book that contains Dr. Jianhui Qi’s original
work. I am looking forward to the publication of the book, and I am sure that the
book is helpful for the development of sCO power cycle driven by various heat
2
sourcesincludingsolarthermalenergy,chemicalenergyandnuclearenergy.
Beijing,China Prof.JinliangXu,Ph.D.
March2022 [email protected]
Foreword by Kuihua Han
Ashissupervisorinthemasterstudy,I’mpleasedtointroducethelatestworkofDr.
JianhuiQi,whichisacceptedforpublicationinSpringerNature.Dr.Qireceivedhis
Ph.D. degree from the University of Queensland in 2019. Before that, he received
his B.Eng. degree and M.Eng. degree from Shandong University. He finalized the
researchinthefieldofcleancombustionandbiomassutilizationundermysupervi-
sion.SupportedbytheChinaScholarshipCouncil(CSC),hewenttotheUniversity
ofQueenslandunderthesupervisionofDr.IngoH.J.JahnandProf.KamelHooman
to pursue his Ph.D. degree. After that, he came back to my team as an associate
professorinresearch.
At the University of Queensland, his research direction shifted from the clean
combustion of biomass to the supercritical CO power cycle, especially the core
2
componentofthepowercycle,turbomachinery.DuringhisstudiesinAustralia,he
overcamethedifficultiescausedbychangingresearchfields,culturaldifferencesand
languages,andcompletedhisdoctoralresearch.
Australia is one of the few countries in the world with abundant solar energy
resources. His research focuses on providing advanced power cycles for concen-
trating solar power to obtain clean energy more efficiently. The supercritical CO
2
powercycleisthemostsuitable.ThemotivationforhisPh.D.projectcamefromthe
factthattherearefewsystematicmethodsandtoolsforsimulationandoptimization
ofsmallscalesupercriticalCO radialinflowturbines.
2
This book is a derivative of Dr. Qi’s doctoral thesis. His work deals with the
high-fidelitysimulationtoolsfornext-generationsupercriticalcarbondioxideradial
inflow turbines. A comprehensive work-flow for supercritical CO radial inflow
2
turbine design and optimization was developed. From preliminary design, design
space analysis, CFD study with non-ideal computational fluid mechanics effect to
bladegeometryoptimization,everysteparewell-consideredandorganized.Through
hiswork,thefeasibilityofsmallscaleradialinflowturbineisvalidatedwithupdating
mean-linedesignmethodology,thegapbetweenmean-linecodeandtimeconsuming
fullCFDsimulationsisbridgedbydevelopingmoreefficienttools(Riemannsolver
within OpenFOAM framework, optimization tool based on modularized method-
ology and fast geometry generator), and more insights are revealed through the
xi
xii ForewordbyKuihuaHan
simulationofsCO radialinflowturbines.Duringthewritingprocessofthisbook,
2
Dr.Qihasdonealotofwork:hehascreatedalotofcodes,drawnmanybeautiful
graphs,andappliedforsomepatentsandsoftwarecopyrights.Mostimportantly,his
researchisentirelybasedonopen-sourcecodeandsoftware,suchasOpenFOAM,
Eilmer3,andPython.Hisworkopensupaparallelroutetotheuseofcommercial
softwarewhichisexpensiveandhasnotyetreachedthescientificfrontiers.
IbelievehisresearchwillcontributetoChina’s3060plan,andIhopehiswork
canhelpmoreresearchersworkingonsupercriticalCO powercycles.
2
Jinan,China Prof.KuihuaHan,Ph.D.
March2022 [email protected]