'Stream function' diaporamas de présentation

Chapter 9: Differential Analysis of Fluid Flow

Fundamentals of Fluid Mechanics. Chapter 9: Differential Analysis of Fluid Flow. Department of Hydraulic Engineering - School of Civil Engineering - Shandong University - 200 7. Objectives. Understand how the differential equations of mass and momentum conservation are derived.

2.86k views • 75 slides

Chapter 9: Differential Analysis of Fluid Flow

Fundamentals of Fluid Mechanics. Chapter 9: Differential Analysis of Fluid Flow. Department of Hydraulic Engineering School of Civil Engineering Shandong University 200 7. Objectives. Understand how the differential equations of mass and momentum conservation are derived.

2.97k views • 75 slides

Climate System Monitoring

Climate System Monitoring. Shotaro Tanaka Chief of climate diagnosis Climate Prediction Division of JMA. Contents. Introduction Monitoring of Tropical Conditions Features of El Nino/La Nina events Mudden Julian Oscillation (MJO) Asian Summer Monsoon Products Climate Diagnostic Meeting

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Pharos University ME 253 Fluid Mechanics 2

Pharos University ME 253 Fluid Mechanics 2. Revision for Mid-Term Exam Dr. A. Shibl. Streamlines. A Streamline is a curve that is everywhere tangent to the instantaneous local velocity vector. Consider an arc length must be parallel to the local velocity vector

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Stommel and Munk Theories of the Gulf Stream

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Lecture 15 Final Version

Lecture 15 Final Version. Contents. Solutions to Laplace Equation Line Source/Sink Line Vortex The Circulation Combinations of Solutions: Solid Bodies in a Potential Flow (Rankine Oval etc.). What Did We Do In Last Lecture?. Flow Around a Corner of Arbitrary Angle.

465 views • 25 slides

Lecture 16 Final Version

Lecture 16 Final Version. Contents. Combinations of Solutions: Solid Bodies in a Potential Flow (Rankine Oval etc.) Cylinder in Uniform Flow Cylinder with Circulation in a Uniform Flow Pressure Distribution Around the Cylinder Kutta-Joukowski Lift Theorem

290 views • 25 slides

Lecture 15 Final Version

Lecture 15 Final Version. Contents. Solutions to Laplace Equation Line Source/Sink Line Vortex The Circulation Combinations of Solutions: Solid Bodies in a Potential Flow (Rankine Oval etc.). What Did We Do In Last Lecture?. Flow Around a Corner of Arbitrary Angle.

254 views • 25 slides

Stream Function

Stream Function. Bear Creek May 1977. Bear Creek May 1983. 6 years. Bear Creek Aug 1986. 9 years. Bear Creek June 1987. 9.8 years. 10 years. Bear Creek Aug 1987. Bear Creek Oct 1988. 11 years. Bear Creek Aug 1993. 16 years. Bear Creek Nov 1995. 18 years. 18.5 years.

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North Equatorial Current (NEC) bifurcation

Seminar report. North Equatorial Current (NEC) bifurcation. ??????? (Mao-Lin Shen) 2014/9/15. Thermohaline Circulation. The Great Indo-Pacific Communicator. Fig. The Great Indo-Pacific Communicator. (by Oppo and Rosenthal, 2010, Science). NECt-Mindanao Current-Kuroshio (NMK) system.

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Chapter 11

Chapter 11. Wind Driven Ocean Circulation Physical oceanography Instructor: Dr. Cheng-Chien Liu Department of Earth Sciences National Cheng Kung University Last updated: 7 December 2003. Introduction. Winds drive the circulation?

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Hydrostatic Pressure: p = -r gz z = depth g = grav. Acc. r = density of seawater

Hydrostatic Pressure: p = -r gz z = depth g = grav. Acc. r = density of seawater. PGF per Unit Mass: 1/ r x dp/dx = g x tan( q ).

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Mid-ocean Geostrophic Turbulence

Mid-ocean Geostrophic Turbulence. prototype: two-dimensional turbulence. Continuously stratified case. Energy transfer is to low. WKB form. Energy transfer is to low. Energy transfer is toward the equator and into high vertical mode.

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10. The Continuity Equation

10. The Continuity Equation. CH EN 374: Fluid Mechanics. Review: Macroscopic/Integral Balances. Total change of property. Change within the control volume. Flow in and out across the control surface. Control Volume. Control Surface. What if we are interested in flow on a microscopic level?.

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MAE 3241: AERODYNAMICS AND FLIGHT MECHANICS

MAE 3241: AERODYNAMICS AND FLIGHT MECHANICS. Introduction to Streamlines, Stream Functions, and Velocity Potential January 28, 2011 Mechanical and Aerospace Engineering Department Florida Institute of Technology D. R. Kirk. HARRIER INSTANTANEOUS STREAMLINES. Streamline

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Stream Function & Velocity Potential

Stream Function & Velocity Potential. Stream lines/ Stream Function ( Y ) Concept Relevant Formulas Examples Rotation, vorticity Velocity Potential( f ) Concept Relevant Formulas Examples Relationship between stream function and velocity potential Complex velocity potential.

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Figure 2: Normalized root mean square errors associated with the fields gridded by objective analysis.

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for inviscid , irrotational flows

Potential Flow. curl of gradient = 0. In Cartesian coordinates:. for inviscid , irrotational flows. can only exist for irrotational flows. velocity potential. In Cartesian coordinates:. Incompressible flows:. For incompressible, irrotational flows, the governing equation is:.

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Practical Course SC & V

Practical Course SC & V. Streamfunction, Vorticity. Dr. Miriam Mehl. Stream Function. volume flow per time step contour lines = streamlines. Vorticity. vortical motion strength positive: clockwise negative: counter clockwise.

113 views • 3 slides