id by D'Alvy Thumpson llalzl. ls alsu shown ul us
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pmdua (base pal-ems by lullulg smuhs, lllud, gases or
mls inln mm mall, (hey mmris d pan 0) lhe uululdl
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blulf bodxes lug WED m sum», lluds m lldss. and
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and (umplzx lorms are thus generaled (mull ull
and lhuse All: (he hasls a! me work a| [he erbela
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gencrmed ddwhsmdlu lrom llxcd bwdles ul flow are
«fled Von Karman lralls
The lmlls mslahlu ul lhc l 3 s rdlusshusm ul Figure
4,14 |n manV mums. uud uh loreshoms lhc
ddy~brda, sl‘ls, and underlying Mk may developsndl
palllms, and pusls leed m slleams cummuuly
pmduu: mom m Wah‘r Trees sud Mudlamks produce
smlllau Elfecls in wuld. as do waves sl sea In wmd
they m tilled EKMAN sl-llws. ind lh an me spml
llll mm (umpmsses au sllvamhnzs lo a helghl 2m
tunes mu helgm ol lhe IN: or [rum fixed ul lhe in
flow
ll ls ohmus lhdl lhe suble spuul. ul IhE Von
Kaxman «all; wlll produce surtesswe pulses duwnr
slmul, and this .s ul rm how we observe musl flow
phenomena lu behave Thus lh: pulslu, ol wmd,
wahev, and flow ul gmenl may rely on lh: Elasfit or
delormilmn properues 01m: m dluul Ilsell rather
man all elcclwlhmlsdl llmeIS as louhd in organ-
lsms lh “KNIFE, mm as: many [Ixed Impzdlmfllls lo
perk“ shtamlmed flow
ll ls (yplcil dl Von Km... trails gullslhled (mm a
llxed body Hm In: um prrslss lsa—s repeal: (Figun
ul. C). and lhen lhl slmm ol Wile! gladuafly
resumgs slmmllued How Al hlgher velucnits a!
stream flow, chaotic lumulem mun. and hl slower
velonues, simple Sileamlng pelslsl.‘ amund ohms
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