1 Introduction ....................................................................................................1
References ......................................................................................................25
2 HydrodynamicnPrinciples ............................................................................29
References ......................................................................................................58
3 TurbulenceninnOpennChannelnFlows .......................................................... 59
References ......................................................................................................85
4 SedimentnThreshold ..................................................................................... 87
References .................................................................................................... 116
5 BedloadnTransport ..................................................................................... 119
References .................................................................................................... 152
6 Suspended-LoadnTransport ....................................................................... 155
References .................................................................................................... 183
7 Total-LoadnTransport................................................................................. 185
References .................................................................................................... 211
8 Bedforms ..................................................................................................... 213
References .................................................................................................... 228
9 FluvialnProcesses:nMeanderingnandnBraiding ........................................ 231
References .................................................................................................... 244
10 Scour ............................................................................................................ 245
References .................................................................................................... 274
11 DimensionalnAnalysisnandnSimilitude ...................................................... 277
References .................................................................................................... 286
AuthornIndex ...................................................................................................... 287
SubjectnIndex ..................................................................................................... 291
xv
@
@sseeisism
micicisisoolalatitoionn
,AboutnthenAuthors
SubhasishnDeynisnanhydrauliciannandnanneducator.nHenisninternationallynknown
nfornhisnresearchnandnisnacclaimednfornhisncontributionsntondevelopingntheoriesn
andnsolu-
ntionnmethodologiesnfornvariousnproblemsninnhydrodynamicsnandnsedimentntrans
port.nHencurrentlynholdsnthenpositionnofndistinguishednprofessornofnIndiannInstit
utenofnTechnologynJodhpur.
Dey’snareasnofnresearchninterestnincludenappliednhydrodynamics,nturbulence,n
andnsedimentntransport,ninnwhichnhenhasnaboutn40nyearsnofnexperience.nHenwasn
conferrednwithnthenHansnAlbertnEinsteinnAwardnfromnthenAmericannSocietynofn
CivilnEngineersninn2022.
SknZeeshannAlinisnanresearchernandnannacademician.nCurrently,nhenisnannassist
antnprofessorninnthendepartmentnofncivilnengineeringnatnthenIndiannInstitutenofnTe
chnologynHyderabad,nwherenhenteachesnfluidnmechanics,nhydraulicnengineering,n
open-channelnflow,nandnsedimentntransport.
Alincontributesntonthenfieldnofnclassicalnandnappliednhydrodynamics.nHenisno
nen ofnthenleadingncollaboratorsnofnthenfirstnauthornofnthisnbook.nHisnareasnofnr
esearchninterestnincludenboundarynlayernflows,nturbulentnflows,nscalingnlawsnofn
turbulence,nfluvialnhydraulics,nsedimentntransport,nandnmorphodynamicninstabili
ties.
xvii
@
@sseeisism
micicisisoolalatitoionn
,Chaptern1
Introduction
Problemn1.1n Thenlongest,nintermediate,nandnshortestnlengthsnofnannellipsoidalns
edi-
nmentnparticlenaren2,n1.5,nandn0.8nmm,nrespectively.nDeterminenthennominalndia
meterndn,nareandiameternda,nsievendiameternd,nphin(n )nunit,nsphericitynSc,nCoreyn
shapenfactornSp,nshapenparameternSsp,nvolumencoefficientnkv,nandnsurfacencoeffic
=nthenellipsoidal
ientnkc.nTakenthensurfacenareanof + nparticle+ =
nwithna1,na2,nandna3nbein
gnthenlongest,ninterme-ndiate,nandnshortestnlengthsnasnS π{[(a1a2)q (a2a3)q
(a1a3)q]/3}1/qnwithnqn 1.6.
Solution
ThenvolumenVn ofnannellipsoidalnsedimentnparticlenis
πn
Vn =n a1a2a3 (S1.1)
6
wherena1,na2,nandna3n arenthenlongest,nintermediate,nandnshortestnlengths.nWithna1n
=
2nmm,na2n =n1.5nmm,nandna3n =n0.8nmm,
π 3
V=n ×n2n×n1.5n×n0.8n=n1.26nmm n.
6n
Thennominalndiameterndnn is
nn n n 1/3n
6V
dnn = π ⇐nEq.n(1.6)
nn n n 1/3n
6n×n1.26
⇒ndnn = π =n1.34n mm.
NotenFigure,ntable,nandnequationnnumbersndevoidnofnthenlettern‘S’nreferntonthoseninnthencompa
nionnbooknDeyn(2024).
@seismicisolation
, ©nThenAuthor(s),nundernexclusivenlicensentonSpringernNaturenSwitzerlandnAGn2024 1
S.nDeynandnS.nZ.nAli,nFluvialnHydrodynamicsn-
nSolutionsnManual,nGeoPlanet:nEarthnandnPlanetarynSciences,nhttps://doi.org/10.@
100s7e/9is7m
8
-3ic-0is3o1-la
25ti7o3n7 -7_1
@seismicisolation