2 - MASINAC.org

More documents

Recommendations

Info

PONAŠANJE BRODA NA TALASIMA____________________________Za kraj, tri tipična numerička primeraBrzinavetra(kn)Značajnavisinatalasa(m)Stanjemora(WMO)Jačinavetra(°Bf)Maks.period(s)Modalnipriod(s)Maks.dužinatalasa(m)Modalnadužinatalasa(m)Verovatnoćapojavljivanja,svetski prosek(%)20 3,1 5 5 13,4 8,79 318 120 2030 5,1 6 7 18,5 11,6 533 200 560 14,6 9 11 30,6 19,5 1467 567 0,001PREDAVANJA 2009. 85
PONAŠANJE BRODA NA TALASIMA____________________________4. LJULJANJE BRODA NA REGULARNIM TALASIMALjuljanja broda na mirnoj vodi predstavljaju (jezikom Mehanike) slobodne prigušeneoscilacije tela oko svog ravnotežnog položaja...Poremećaj pritiska koji izaziva regularni talas je harmonijska funkcija koja imafrekvenciju talasa...a brod ove oscilacije pritiska oseća prividnom frekvencijom talasa ω p ...Τreba očekivati da ljuljanja broda na regularnim talasima predstavljaju prinudne prigušeneoscilacije, ij kod kojih je poremećajna ć sila (prinuda) )harmonijska funkcija frekvencije ω p ...Diferencijalna jednačina ovakvog kretanja glaseAZ+ 2 μ Z+ ω Z + = ω t+δ... sin ( )2 ZZ Z p ZD+mZA Z , δ Z – nepoznata amplituda i fazni pomeraj pobudne sile (momenta)...Javljaju se dve frekvencije, ω Z , ω p ...PREDAVANJA 2009. 86
Page 3 and 4:
PONAŠANJE BRODA NA TALASIMA_______
Page 5 and 6:
Page 7 and 8:
Page 9:
Page 14 and 15:
Page 16 and 17:
Page 18 and 19:
Page 20 and 21:
Page 22 and 23:
Page 24 and 25:
Page 26 and 27:
Page 28 and 29:
Page 30 and 31:
Page 32 and 33:
Page 34 and 35:
Page 36 and 37: PONAŠANJE BRODA NA TALASIMA_______
Page 136 and 137:
Page 138 and 139:
Page 140 and 141:
Page 142 and 143:
Page 144 and 145:
Page 146 and 147:
Page 148 and 149:
Page 150 and 151:
Page 152 and 153:
Page 154 and 155:
Page 156 and 157:
Page 158 and 159:
Page 160 and 161:
Page 162 and 163:
Page 164 and 165:
Page 166 and 167:
Page 168 and 169:
Page 170 and 171:
Page 172 and 173:
Page 174 and 175:
Page 176 and 177:
Page 178 and 179:
Page 180 and 181:
Page 182 and 183:
Page 184 and 185:
Page 186 and 187:
Page 188 and 189:
Page 190 and 191:
Page 192 and 193:
Page 194 and 195:
Page 196 and 197:
Page 198 and 199:
Page 200 and 201:
Page 202 and 203:
Page 204 and 205:
Page 206 and 207:
Page 208 and 209:
Page 210 and 211:
Page 212 and 213:
Page 214 and 215:
Page 216 and 217:
Page 218 and 219:
Page 220 and 221:
Page 222 and 223:
Page 224 and 225:
Page 226 and 227:
Page 228 and 229:
Page 230 and 231:
Page 232 and 233:
Page 234 and 235:
Page 236 and 237:
Page 238 and 239:
Page 240 and 241:
Page 242 and 243:
Page 244 and 245:
Page 246 and 247:
Page 248 and 249:
Page 250 and 251:
Page 252 and 253:
Page 254 and 255:
show all

2 - MASINAC.org

Create successful ePaper yourself

Delete template?

Save as template?