1 Introduction ....................................................................................................1
References ......................................................................................................25
2 HydrodynamicmPrinciples ............................................................................29
References ......................................................................................................58
3 TurbulenceminmOpenmChannelmFlows .........................................................59
References ......................................................................................................85
4 SedimentmThreshold .....................................................................................87
References .................................................................................................... 116
5 BedloadmTransport ..................................................................................... 119
References .................................................................................................... 152
6 Suspended-LoadmTransport....................................................................... 155
References .................................................................................................... 183
7 Total-LoadmTransport ................................................................................ 185
References .................................................................................................... 211
8 Bedforms ..................................................................................................... 213
References .................................................................................................... 228
9 FluvialmProcesses:mMeanderingmandmBraiding........................................ 231
References .................................................................................................... 244
10 Scour ............................................................................................................ 245
References .................................................................................................... 274
11 DimensionalmAnalysismandmSimilitude...................................................... 277
References .................................................................................................... 286
AuthormIndex ...................................................................................................... 287
SubjectmIndex ..................................................................................................... 291
xv
@
@sseeisism
micicisisoolalatitoionn
,About the Authors
m m
SubhasishmDeymismamhydraulicianmandmanmeducator.mHemisminternationallymkno
wnmformhismresearchmandmismacclaimedmformhismcontributionsmtomdevelopingmtheo
riesmandmsolu-
mtionmmethodologiesmformvariousmproblemsminmhydrodynamics mandmsedimentmtran
sport.mHemcurrentlymholdsmthempositionmofmdistinguishedmprofessormofmIndianmIn
stitutemofmTechnologymJodhpur.
Dey’smareasmofmresearchminterestmincludemappliedmhydrodynamics,mturbulence,
mandmsedimentmtransport, minmwhichmhemhasmaboutm40myearsmofmexperience.mHemw
asmconferredmwithmthemHansmAlbertmEinsteinmAwardmfrommthemAmericanmSociety
mofmCivilmEngineersminm2022.
SkmZeeshanmAlimismamresearchermandmanmacademician.mCurrently,mhemismanmassi
stantmprofessorminmthemdepartmentmofmcivilmengineeringmatmthemIndianmInstitutemof
mTechnologymHyderabad,mwheremhemteachesmfluid mmechanics, mhydraulicmengineer
ing,mopen-channelmflow,mandmsedimentmtransport.
Alimcontributesmtomthemfieldmofmclassicalmandmappliedmhydrodynamics.mHemis
monem ofmthemleadingmcollaboratorsmofmthemfirstmauthor mofmthismbook. mHismareas
mofmresearchminterestmincludemboundarymlayer mflows,mturbulent mflows,mscalingmla
wsmofmturbulence,mfluvialmhydraulics,msedimentmtransport,mandmmorphodynamicm
instabilities.
xvii
@
@sseeisism
micicisisoolalatitoionn
,Chapterm1
Introduction
Problemm1.1m Themlongest,mintermediate,mandmshortestmlengthsmofmanmellipsoidal
msedi-
mmentmparticlemarem2,m1.5, mandm0.8 mmm, mrespectively. mDetermine mthemnominalmd
iametermdn,mareamdiametermda,msievemdiametermd,mphim(m )munit,msphericitymSc,mCo
reymshapemfactormSp,mshapemparametermSsp,mvolumemcoefficientmkv,mandmsurfacemc
oefficientmkc.mTakemthemsurface= +
mareamofmthemellipsoidal m+
particlemwithma1,ma2,mand=
ma3mbeingmthemlongest, minterme-mdiate,mand mshortestmlengthsmasmS π{[(a1a2)q
q q 1/q
(a2a3) (a1a3) ]/3} mwithmqm 1.6.
Solution
ThemvolumemVm ofmanmellipsoidalmsedimentmparticlemis
πm
Vm =m6 a1a2a3 (S1.1)
wherema1,ma2,mandma3m aremthemlongest,mintermediate,mandmshortestmlengths.mWithma
1m =
2mmm,ma2m=m1.5mmm,mandma3m=m0.8mmm,
π 3
V m ×m2m×m1.5m×m0.8m=m1.26mmm
= m.
6m
Themnominalmdiametermdnmis
m m m m 1/3m
6V
dnm = π ⇐mEq.m(1.6)
m m m m 1/3m
6m×m1.26
⇒mdnm = π =m1.34mmm.
NotemFigure,mtable,mandmequationmnumbersmdevoidmofmthemletterm‘S’mrefermtomthoseminmthemco
mpanionmbookmDeym(2024).
@seismicisolation
©mThemAuthor(s),mundermexclusivemlicensemtomSpringermNaturemSwitzerlandmAGm2024 1
, S.mDeymandmS.mZ.mAli,mFluvialmHydrodynamicsm-
mSolutionsmManual,mGeoPlanet: mEarthmandmPlanetarymSciences,mhttps://doi.org/10. 100 7 /9 7
@seism
8-3ic-0is3o1-la
25ti7o3n7-7_1
@seismicisolation