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PONAŠANJE BRODA NA TALASIMA____________________________Proračunamo (npr) RMS vrednost poprečnogubrzanja na komandnom mostu, pri plovidbina bočnim talasima...Odredimo visinu talasa na kojima ubrzanjedostiže normu (npr. 02g) 0,2g) ...i dobijamo tako( aη)1 3h/= f( μ)Unutar sive zone, norma je zadovoljena...Dobijamo (npr)( aη)1 3h/( 90° ) ≈4,75mUradimo to za različite pravce plovidbe...Kolika je verovatnoća pojave talasa prikojima je norma zadovoljena..?Zavisi od oblasti plovidbe...Zona 9, pravac plovidbe istok – zapad,zimski period...PREDAVANJA 2009. 249
PONAŠANJE BRODA NA TALASIMA____________________________Verovatnoća pojavljuvanja telasa u oblasti 9,decembar - februarh 1/3 (m) W NW N NE E SE S SWμ = 180° μ = 135° μ = 90° μ = 45° μ = 0° μ =- 45° μ = -90° μ =- 135°0-1 0.006832 0.004286 0.003014 0.003801 0.004312 0.00423 0.0033 0.0073111-2 0.029313 0.019289 0.013062 0.010992 0.01503 0.022184 0.032221 0.0371492-3 0.040994 0.024816 0.0157 0.011587 0.015893 0.02585 0.052989 0.043673-4 0.039892 0.021545 0.012372 0.008565 0.011519 0.018424 0.045614 0.038734-5 0.03284 0.015679 0.008038 0.005267 0.007022 0.01081 0.028921 0.0282575-6 0.024244 0.010378 0.004773 0.002885 0.003881 0.005828 0.015722 0.0187726-7 0.01675 0.006542 0.002638 0.001466 0.001971 0.003102 0.007958 0.011461Dobija se (npr)( aη)V ⎡h13/( 90° ) ⎤ ≈⎣ ⎦≈ 0, 0030 + 0, 01306 + 0,0157 ++ 0, 0124 + 0, 0080 = 0, 0522...7-8 0.01102 0.004061 0.001444 0.000687 0.000924 0.001598 0.003688 0.0027668-9 0.007053 0.002482 0.000754 0.000321 0.000493 0.000846 0.001747 0.0039529-10 0.004408 0.001466 0.00044 0.000137 0.000246 0.00047 0.000776 0.00217410-11 0.002645 0.000902 0.000251 9.16E-05 0.000123 0.000282 0.000388 0.00118611-12 0.001543 0.000564 0.000126 4.58E-05 6.16E-05 0.000094 0.000194 0.0007912-13 0.000882 0.000338 6.28E-05 0 6.16E-05 0.000094 0.000194 0.00039513-14 0.000661 0.000226 6.28E-05 0 0 0 0 0.000198preko 14 0.000882 0.000338 6.28E-05 0 0 0 0 0.000395PREDAVANJA 2009. 250
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