Download - Some engineering applications of fluid mechanics · 2015-01-14 · Some engineering applications of fluid mechanics CE319F Elementary Mechanics of Fluids Spring 2013 (Kinnas) The

Transcript
Page 1: Some engineering applications of fluid mechanics · 2015-01-14 · Some engineering applications of fluid mechanics CE319F Elementary Mechanics of Fluids Spring 2013 (Kinnas) The

Some engineering applications of fluid mechanics

CE319F Elementary Mechanics of Fluids

Spring 2013 (Kinnas) The University of Texas at Austin

Civil, Architectural, and Environmental Engineering

January 20, 2015 CE319F - Elementary Mechanics of Fluid (Kinnas-Spring 2015) 1

Page 2: Some engineering applications of fluid mechanics · 2015-01-14 · Some engineering applications of fluid mechanics CE319F Elementary Mechanics of Fluids Spring 2013 (Kinnas) The

Rivers

January 20, 2015 CE319F - Elementary Mechanics of Fluid

(Kinnas-Spring 2015) 2

Page 3: Some engineering applications of fluid mechanics · 2015-01-14 · Some engineering applications of fluid mechanics CE319F Elementary Mechanics of Fluids Spring 2013 (Kinnas) The

Dams

January 20, 2015 CE319F - Elementary Mechanics of Fluid (Kinnas-Spring 2015) 3

Page 4: Some engineering applications of fluid mechanics · 2015-01-14 · Some engineering applications of fluid mechanics CE319F Elementary Mechanics of Fluids Spring 2013 (Kinnas) The

Ships

January 20, 2015 CE319F - Elementary Mechanics of Fluid

(Kinnas-Spring 2015) 4

Page 5: Some engineering applications of fluid mechanics · 2015-01-14 · Some engineering applications of fluid mechanics CE319F Elementary Mechanics of Fluids Spring 2013 (Kinnas) The

Offshore Structures

January 20, 2015 CE319F - Elementary Mechanics of Fluid

(Kinnas-Spring 2015) 5

Page 6: Some engineering applications of fluid mechanics · 2015-01-14 · Some engineering applications of fluid mechanics CE319F Elementary Mechanics of Fluids Spring 2013 (Kinnas) The

Pipelines

January 20, 2015 CE319F - Elementary Mechanics of Fluid

(Kinnas-Spring 2015) 6

Page 7: Some engineering applications of fluid mechanics · 2015-01-14 · Some engineering applications of fluid mechanics CE319F Elementary Mechanics of Fluids Spring 2013 (Kinnas) The

Hydraulic systems

January 20, 2015 CE319F - Elementary Mechanics of Fluid

(Kinnas-Spring 2015) 7

Page 8: Some engineering applications of fluid mechanics · 2015-01-14 · Some engineering applications of fluid mechanics CE319F Elementary Mechanics of Fluids Spring 2013 (Kinnas) The

Wind turbines

January 20, 2015 CE319F - Elementary Mechanics of Fluid

(Kinnas-Spring 2015) 8

Page 9: Some engineering applications of fluid mechanics · 2015-01-14 · Some engineering applications of fluid mechanics CE319F Elementary Mechanics of Fluids Spring 2013 (Kinnas) The

Ocean Current Turbines (taken out of the water for maintenance)

January 20, 2015 CE319F - Elementary Mechanics of Fluid

(Kinnas-Spring 2015) 9

Page 10: Some engineering applications of fluid mechanics · 2015-01-14 · Some engineering applications of fluid mechanics CE319F Elementary Mechanics of Fluids Spring 2013 (Kinnas) The

Waves

January 20, 2015 CE319F - Elementary Mechanics of Fluid

(Kinnas-Spring 2015) 10

Page 11: Some engineering applications of fluid mechanics · 2015-01-14 · Some engineering applications of fluid mechanics CE319F Elementary Mechanics of Fluids Spring 2013 (Kinnas) The

Satellite image of Hurricane Katrina (Aug. 28, 2005, cat. 5, wind speeds at 175 mph)

January 20, 2015 CE319F - Elementary Mechanics of Fluid

(Kinnas-Spring 2015) 11

Page 12: Some engineering applications of fluid mechanics · 2015-01-14 · Some engineering applications of fluid mechanics CE319F Elementary Mechanics of Fluids Spring 2013 (Kinnas) The

January 20, 2015 CE319F - Elementary Mechanics of Fluid

(Kinnas-Spring 2015) 12

Boston’s John Hancock Tower (241 m, 60 floors) was originally vibrating excessively at wind speeds > 45mph and causing windows to fall (…became the “Plywood” palace!)

Page 13: Some engineering applications of fluid mechanics · 2015-01-14 · Some engineering applications of fluid mechanics CE319F Elementary Mechanics of Fluids Spring 2013 (Kinnas) The

Testing of models of buildings inside wind-tunnel

January 20, 2015 CE319F - Elementary Mechanics of Fluid

(Kinnas-Spring 2015) 13

Burj Dubai skyscraper in Dubai, U.A.E. World’s tallest building (828 m, 163 floors)

Page 14: Some engineering applications of fluid mechanics · 2015-01-14 · Some engineering applications of fluid mechanics CE319F Elementary Mechanics of Fluids Spring 2013 (Kinnas) The

January 20, 2015 CE319F - Elementary Mechanics of Fluid

(Kinnas-Spring 2015) 14

http://www.youtube.com/watch?v=3mclp9QmCGs

See what can happen to a bridge if you do not account for the wind forces!

Page 15: Some engineering applications of fluid mechanics · 2015-01-14 · Some engineering applications of fluid mechanics CE319F Elementary Mechanics of Fluids Spring 2013 (Kinnas) The

Testing of bridges inside wind-tunnel (NEW twin bridges at Tacoma Narrows)

January 20, 2015 CE319F - Elementary Mechanics of Fluid

(Kinnas-Spring 2015) 15

Page 16: Some engineering applications of fluid mechanics · 2015-01-14 · Some engineering applications of fluid mechanics CE319F Elementary Mechanics of Fluids Spring 2013 (Kinnas) The

Testing of cars inside windtunnel to reduce air resistance

January 20, 2015 CE319F - Elementary Mechanics of Fluid

(Kinnas-Spring 2015) 16

Page 17: Some engineering applications of fluid mechanics · 2015-01-14 · Some engineering applications of fluid mechanics CE319F Elementary Mechanics of Fluids Spring 2013 (Kinnas) The

January 20, 2015 CE319F - Elementary Mechanics of Fluid

(Kinnas-Spring 2015) 17

Testing of models of tankers, offshore structures at the Wave Basin of Offshore Technology Research Center (OTRC)

(joint center by UT Austin and TAMU)

Page 18: Some engineering applications of fluid mechanics · 2015-01-14 · Some engineering applications of fluid mechanics CE319F Elementary Mechanics of Fluids Spring 2013 (Kinnas) The

January 20, 2015 CE319F - Elementary Mechanics of Fluid

(Kinnas-Spring 2015) 18

Civil and Architectural Engineers need to know how fluids flow, and how they affect objects in contact

with them, so that they design these objects properly, for un-interrupted

and safe function!