MEBS6008 Environmental Services II

Home | What's New | Schedule | Assignments

Fluid Network Analysis I

1.  Fluid Properties

• Flow motion, density, viscosity

2.  Fluid Dynamics

• Continuity and pressure variation
• Bernoulli equation
• Laminar flow and turbulence

3.  Basic Flow Processes

• Wall friction and boundary layer
• Flow separation
• Cavitation

4.  Flow Analysis

• Aims
• Worked example with Bernoulli equation
• Darcy and Colebrook equations
• Moody friction chart

[Download PowerPoint file]

---

Video Presentation:

• Fluid Flows (24 min.) [AV 532.051 F64] (flow visualisation)
• Slow flow past cylinder - experimental (0:30), http://youtu.be/gbDscDSUAg4
• Slightly faster flow past cylinder - experimental (0:12), http://youtu.be/vQHXIHpvcvU
• Flow past cylinder: Karman vortex Street - experimental (0:10), http://youtu.be/CB2aWiesq0g
• Experimental flow separation (0:37), http://youtu.be/Vjk9Ux2COx0
• Cavitation Demo.mp4 (5:56) https://www.youtube.com/watch?v=ZlrFMmGs_NI

Further Reading:

• ASHRAE, 2013. ASHRAE Fundamentals Handbook 2013, SI edition, Chp. 3 - Fluid Flow, American Society of Heating, Refrigerating, and Air-Conditioning Engineers, Atlanta, GA. [ASHRAE catalog via Techstreet][ebook via Knovel]
• Cavitation -- Wikipedia 空穴現象，穴 蝕，孔蝕  http://en.wikipedia.org/wiki/Cavitation
  

Web Links:

• CIVE1400: Fluid Mechanics [University of Leeds]
• Fundamentals of Fluid Mechanics https://www.youtube.com/playlist?list=PL7FF084F8C414D602
• Boundary layer - Wikipedia http://en.wikipedia.org/wiki/Boundary_layer
  

---

| Created: Nov 2004 | Update: 18 Feb 2014 | By: cmhui@hku.hk |