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Physical Review E, 2015
To generalize simple bead-linker model of swimmers to higher dimensions and to demonstrate the chemotaxis ability of such swimmers, here we introduce a low-Reynolds predator, using a two-dimensional triangular bead-spring model. Two-state linkers as mechanochemical enzymes expand as a result of interaction with particular activator substances in the ...
Mehran, Ebrahimian +2 more
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To generalize simple bead-linker model of swimmers to higher dimensions and to demonstrate the chemotaxis ability of such swimmers, here we introduce a low-Reynolds predator, using a two-dimensional triangular bead-spring model. Two-state linkers as mechanochemical enzymes expand as a result of interaction with particular activator substances in the ...
Mehran, Ebrahimian +2 more
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The Oseen Drag at Infinite Reynolds Number
SIAM Journal on Applied Mathematics, 1995Summary: It is shown that the Oseen drag on an arbitrarily shaped object at infinite Reynolds number is the sum of two contributions. The first contribution is the product of the object's cross-section perpendicular to the main stream direction and \(\rho U^2\), where \(\rho\) is the constant fluid density and \(U\) the main stream velocity. The second
A. J. Weisenborn, B. I. M. ten Bosch
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AIP Conference Proceedings, 1976
E d i t o r’s note: This is a reprint (slightly edited) of a paper of the same title that appeared in the book Physics and Our World: A Symposium in Honor of Victor F. Weisskopf, published by the American Institute of Physics (1976). The personal tone of the original talk has been preserved in the paper, which was itself a slightly edited transcript of
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E d i t o r’s note: This is a reprint (slightly edited) of a paper of the same title that appeared in the book Physics and Our World: A Symposium in Honor of Victor F. Weisskopf, published by the American Institute of Physics (1976). The personal tone of the original talk has been preserved in the paper, which was itself a slightly edited transcript of
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Turbulent intensity and Reynolds number effects on an airfoil at low Reynolds numbers
Physics of Fluids, 2014This work investigates the aerodynamics of a NACA 0012 airfoil at the chord-based Reynolds numbers (Rec) from 5.3 × 103 to 2.0 × 104. The lift and drag coefficients, CL and CD, of the airfoil, along with the flow structure, were measured as the turbulent intensity Tu of oncoming flow varies from 0.6% to 6.0%.
Wang, S, Zhou, Y, Alam, MM, Yang, HX
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Effects of Reynolds Number and Turbulent Intensity on a Low Reynolds Number Airfoil
32nd AIAA Applied Aerodynamics Conference, 2014The work investigates the effect of turbulent intensity (Tu) on the force and wake of a NACA0012 airfoil at chord Reynolds number Rec = 5.3×103 and 2×104. Lift and drag coefficients (CL and CD) on and flow fields around the airfoil were measured with Tu varied from 0.6% to 6.0%.
Shu Wang, Yu Zhou, Md.Mahbub Alam
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Intermittency and Reynolds number
Physics of Fluids, 1998Hot wire measurements of longitudinal and transverse increments are performed in three different types of flows on a large range of Reynolds numbers (100≲Rλ≲3000). An improved technique based on cumulant expansion of velocity structure functions is used to estimate the spreading of the pdfs and to study their scaling properties in the inertial range ...
Kahalerras, H. +3 more
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Flows at Moderate Reynolds Numbers
2001Abstract This chapter presents the application of LBE to flows at moderate Reynolds numbers, typically hundreds to thousands. This is an important area of theoretical and applied fluid mechanics, one that relates, for instance, to the onset of nonlinear instabilities and their effects on the transport properties of the unsteady flow ...
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2009
Newton’s second law of motion stipulates that the rate of change of momentum of a fluid parcel must be balanced by the body force exerted over the parcel volume and by the surface force exerted on the parcel boundary. Under certain conditions, the rate of change of momentum of the parcel is small compared to the body and surface force, and can be ...
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Newton’s second law of motion stipulates that the rate of change of momentum of a fluid parcel must be balanced by the body force exerted over the parcel volume and by the surface force exerted on the parcel boundary. Under certain conditions, the rate of change of momentum of the parcel is small compared to the body and surface force, and can be ...
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2009
Having discussed viscous flow at low Reynolds numbers in Chapter 9, now we turn our attention to the diametrically opposite limit of inertia-dominated flow at high Reynolds numbers. Inspecting the changes in the structure of a flow with increasing Reynolds number, we encounter a rich phenomenology and a variety of transition protocols.
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Having discussed viscous flow at low Reynolds numbers in Chapter 9, now we turn our attention to the diametrically opposite limit of inertia-dominated flow at high Reynolds numbers. Inspecting the changes in the structure of a flow with increasing Reynolds number, we encounter a rich phenomenology and a variety of transition protocols.
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Reynolds-Zahl Re (Reynolds number Re)
2000Es handelt sich urn eine dimensionslose Kennzahl im Sinne der Dimensionsanalysis. Als solche tritt sie formal bei der Entdimensionierung der Impulsgleichung (Kraftegleichgewicht an einem Fluidelement) auf. Wegen der Kopplung der Impulsgleichung mit der Thermischen Energiegleichung uber die sog.
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