m m m
SOLUTIONS MANUAL
m
,Contents
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
,AboutmthemAuthors
SubhasishmDeymismamhydraulicianmandmanmeducator.mHemisminternationallymkn
ownmformhismresearchmandmismacclaimedmformhismcontributionsmtomdevelopingmt
heoriesmandmsolu-
mtionmmethodologiesmformvariousmproblemsminmhydrodynamics mandmsedimentmtr
ansport.mHemcurrentlymholdsmthempositionmofmdistinguishedmprofessormofmIndia
nmInstitutemofmTechnologymJodhpur.
Dey’smareasmofmresearchminterestmincludemappliedmhydrodynamics,mturbulenc
e,mandmsedimentmtransport,minmwhichmhemhasmaboutm40myearsmofmexperience.mH
emwasmconferredmwithmthemHansmAlbertmEinsteinmAwardmfrommthemAmericanmS
ocietymofmCivilmEngineersminm2022.
SkmZeeshanmAlimismamresearchermandmanmacademician.mCurrently, mhemismanma
ssistantmprofessorminmthemdepartmentmofmcivilmengineeringmatmthemIndianmInstitut
emofmTechnologymHyderabad,mwheremhemteachesmfluidmmechanics,mhydraulicmen
gineering,mopen-channelmflow,mandmsedimentmtransport.
Alimcontributesmtomthemfieldmofmclassicalmandmappliedmhydrodynamics. mHem
ismonem ofmthemleadingmcollaboratorsmofmthemfirstmauthormofmthismbook.mHisma
reasmofmresearchminterestmincludemboundarymlayermflows,mturbulentmflows,mscal
ingmlawsmofmturbulence,mfluvialmhydraulics,msedimentmtransport,mandmmorphod
ynamicminstabilities.
xvii
@
@sseeisism
micicisisoolalatitoionn
, Chapterm1
Introduction
Problemm1.1m Themlongest,mintermediate,mandmshortestmlengthsmofmanmellipsoid
almsedi-
mmentmparticlemarem2,m1.5,mandm0.8mmm,mrespectively. mDeterminemthemnominal
mdiameter mdn,marea mdiameter mda,msievemdiameter md,mphim(m )munit,msphericitymS
c,mCoreymshapemfactormSp,mshapemparameter mSsp, mvolumemcoefficient mkv,mandms
urfacemcoefficientmkc.mTakemthe=msurfacemarea+ +
mofmthemellipsoidal =
mparticlemwithm
a1,ma2,mandma3mbeingmthemlongest,minterme-mdiate,mandmshortestmlengthsmasmS
π{[(a1a2)q (a2a3)q
q 1/q
(a1a3) ]/3} mwithmqm 1.6.
Solution
ThemvolumemVm ofmanmellipsoidalmsedimentmparticlemis
π
Vm =m a1a2a3 (S1.1)
6m
wherema1,ma2,mandma3m aremthemlongest,mintermediate,mandmshortestmlengths.mWithm
a1 m =
2mmm,ma2m=m1.5mmm,mandma3m=m0.8mmm,
π
Vm =m ×m2m×m1.5m×m0.8m=m1.26m3mmm .
6m
Themnominalmdiameter mdn
mis
m m
6V
m 1/3 ⇐mEq.m(1.6)
dn m = π
m m m m 1/3m
6m×m1.26
⇒mdnm = π =m1.34m mm.
NotemFigure,mtable,mandmequationmnumbersmdevoidmofmthemletterm‘S’mrefermtomthoseminmt
hemcompanionmbookmDeym(2024).
@seismicisolation