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0portishead - glory box
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0ntv izleyin panpalar. marmara fay hattı hareketteymiş artçılar olabilirmiş. lütfen önleminizi alın düdük müdük cidden dalga geçmeden yanınızda bulunsun
-depremler 2.0 3.0 aralığında devam ediyor panpalar -
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0http://www.youtube.com/watch?v=Nkd0ztQfBIA adriaaaaaaaaaana <3 :D
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0enya ft flo rida - this braveheart club ( ferdinant strumi mix ) new fantastic remix 2011
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0Çok şey değil istediğim, yalansız biri he birde yanında sonsuz şımarabileceğim biri..
twitter.avi -
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0@10 bi gibtir amk
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0LFM for DS fresh run need all atm
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0Kuyt - 34 maç 2 gol,
Muslera - 38 maç 1 gol -
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0deprem dediniz
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010-6C
Solution We are to discuss the physical significance of the four nondimensional parameters in the nondimensionalized incompressible Navier-Stokes equation.
Analysis The four parameters are discussed individually below:
Strouhal number: St is the ratio of some characteristic flow time to some period of oscillation. If St << 1, the oscillation period is very large compared to the characteristic flow time, and the problem is quasi-steady; the unsteady term in the Navier-Stokes equation may be ignored. If St >> 1, the oscillation period is very short compared to the characteristic flow time, and the unsteadiness dominates the problem; the unsteady term must remain.
Euler number: Eu is the ratio of a characteristic pressure difference to a characteristic pressure due to fluid inertia. If Eu << 1, pressure gradients are very small compared to inertial pressure, and the pressure term can be neglected in the Navier-Stokes equation. If Eu >> 1, the pressure term is very large compared to the inertial term, and must remain in the equation.
Froude number: Fr is the ratio of inertial forces to gravitational forces. Note that Fr appears in the denominator of the nondimensionalized Navier-Stokes equation. If Fr << 1, gravitational forces are very large compared to inertial forces, and the gravity term must remain in the Navier-Stokes equation. If Fr >> 1, gravitational forces are negligible compared to inertial forces, and the gravity term in the Navier-Stokes equation can be ignored.
Reynolds number: Re is the ratio of inertial forces to viscous forces. Note that Re appears in the denominator of the nondimensionalized Navier-Stokes equation. If Re << 1, viscous forces are very large compared to inertial forces, and the viscous term must remain. (In fact, it may dominate the other terms, as in creeping flow). If Re >> 1, viscous forces are negligible compared to inertial forces, and the viscous term in the Navier-Stokes equation can be ignored. Note that this applies only to regions outside of boundary layers, because the characteristic length scale for a boundary layer is generally much smaller than that for the overall flow.
Discussion You must keep in mind that the approximations discussed here are appropriate only in certain regions of the flow -
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0birisi gerdek gecesini fazla abartmış amk bu kadarda olmaz ki.
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02012.06.08 00:05:13 40.8437 27.9033 18.1 -.- 2.8 -.- MARMARA EREĞLiSi AÇIKLARI-TEKiRDAĞ (MARMARA DENiZiilksel
2012.06.08 00:00:27 40.8653 27.9377 12.7 -.- 3.2 -.- MARMARA EREĞLiSi AÇIKLARI-TEKiRDAĞ (MARMARA DENiZiilksel
2012.06.07 23:54:25 40.8483 27.9210 14.9 -.- 5.1 -.- MARMARA EREĞLiSi AÇIKLARI-TEKiRDAĞ (MARMARA DENiZiilksel
edit:harbiden bu amk yalan yok -
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0@10 bi gibtir amk
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zalinazurt sen fazla yaşamassın
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