INVESTIGATION OF LATERAL AND LONGITUDINAL GROWTH OF 3-D INCLINED UNSTEADY TURBIDITY CURRENTS

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FIROUZABADI B.; MOUSAVI HEKMATI S.M.R.; RAD MANOUCHEHR

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Journal: JOURNAL OF MARINE ENGINEERING Year:2006 | Volume:3 | Issue:4 Page(s): 1-12

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Title

INVESTIGATION OF LATERAL AND LONGITUDINAL GROWTH OF 3-D INCLINED UNSTEADY TURBIDITY CURRENTS

Author(s)

FIROUZABADI B. | MOUSAVI HEKMATI S.M.R. | RAD MANOUCHEHR | Issue Writer Certificate

Keywords

TURBIDITY CURRENTQ4

LATERAL AND LONGITUDINAL GROWTHQ4

THREE-DIMENSIONAL UNSTEADY UNDERFLOWSQ4

Abstract

In this paper, the spreading of three-dimensional, turbulent and unsteady inclined TURBIDITY CURRENTs has been investigated. The experimental results were normalized in the form of nondimensional plots and then a theoretical model was developed. The current width, b, and the relative situation of the tip of the nose of TURBIDITY CURRENT, x, are normalized with respect to the buoyancy length scale lo=(Qo3/Bo)1/5 and related time t is normalized with respect to the buoyancy time scale. Results show that the non-dimensional current width vs non-dimensional distance and non-dimensional time, to=1/Uo(Q3o/Bo)1/5, two regimes R1 (b/lo£2 ) and R2 (b/lo³2 ) are distinguished. This indicates that in these two regimes, the amount and type of the balanced forces are different. In regime R1, the rate of lateral growth is less than regime R2, while the current width in R1 and R2 regimes, respectively are proportional to x0.25 and x1.2. In the plots of the non-dimensional current length vs. non-dimensional time, three regimes R1 R2 and R3 are distinguished. In regime R1, the rate of longitudinal growth is more than other regimes while regime R2 is less. The current length in R2 and R3 regimes, respectively are proportional to t0.55 and t0.7, approximately in regime R1 is proportional to t0.89.

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APA: Copy

FIROUZABADI, B., MOUSAVI HEKMATI, S.M.R., & RAD, MANOUCHEHR. (2006). INVESTIGATION OF LATERAL AND LONGITUDINAL GROWTH OF 3-D INCLINED UNSTEADY TURBIDITY CURRENTS. JOURNAL OF MARINE ENGINEERING, 3(4), 1-12. SID. https://sid.ir/paper/60926/en

Vancouver: Copy

FIROUZABADI B., MOUSAVI HEKMATI S.M.R., RAD MANOUCHEHR. INVESTIGATION OF LATERAL AND LONGITUDINAL GROWTH OF 3-D INCLINED UNSTEADY TURBIDITY CURRENTS. JOURNAL OF MARINE ENGINEERING[Internet]. 2006;3(4):1-12. Available from: https://sid.ir/paper/60926/en

IEEE: Copy

B. FIROUZABADI, S.M.R. MOUSAVI HEKMATI, and MANOUCHEHR RAD, “INVESTIGATION OF LATERAL AND LONGITUDINAL GROWTH OF 3-D INCLINED UNSTEADY TURBIDITY CURRENTS,” JOURNAL OF MARINE ENGINEERING, vol. 3, no. 4, pp. 1–12, 2006, [Online]. Available: https://sid.ir/paper/60926/en

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