Simrad PI GEOMETRY - QUICK REFERENCE GUIDE REV B Manuale di Installazione Pagina 185

  • Scaricare
  • Aggiungi ai miei manuali
  • Stampa
  • Pagina
    / 224
  • Indice
  • SEGNALIBRI
  • Valutato. / 5. Basato su recensioni clienti
Vedere la pagina 184
Basictheory
Figure42Cavitation
[1]
Whenthebubblescollapse,theycauseverystronglocal
shock-wavesinthewater.Thesemaybeaudibleandcanalso
damagethepropellerblades.Inadditiontothis,thecavitation
willgenerateverystrongreverberation,commonlyseenasared
stripeofechoesbehindthevessel.
Ifyouhavebigproblemswithcavitation,trytoadjustthe
propellerpitchand/orthenumberofrevolutions.
Reverberation
Reverberationisgeneratedwhentheechoesfromyoursonar
transmissionarereectednotonlybyshandobjectsinthe
water,butalsofromthebottomandtheseasurface.
Figure43Reverberation
(CD015005E)
B
A
1.PhotofromUSNavy/Wikipediainthepublicdomain.
323775/B
183
Vedere la pagina 184
1 2 ... 180 181 182 183 184 185 186 187 188 189 190 ... 223 224

Commenti su questo manuale

Nessun commento