Wind Hydro

3 major Types of Towers
- Tilt UP
- Free Standing
- Guide Tower
What percentage of energy does IEA predict by 2030 for wind

20%
Best way to determine power output of windturbine?

Swept Area
What is a way to do Qualitative Assesment

Tree Flagging
Advantages of Off Shore Wind
- Located near dense population
- Good Resource
- Low Obstructions
What formulas do you use to find Resource Potential
- AA P/A
- P/A
What does the S_{0 ^and}H₀ stand for in Wind Speed Formula

Original Heights
What are disadvantages of Vertical Wind turbines
- 1 scale
- Must be lift based
- Stressors on buildings
- No start lower wind speed
Lift vs Drag

Lift: More efficient for electrical use
Know what a Darius and Savonious Turbine Look Like.
- Darius looks like a D
- Savonious looks like helix
Name Regulation Technology and what is the purpose
- Furhling
- Coning
- Pitch
- Reduce Swept Area and Increase Aerodynamic Drag
Small UP to
Community Up to
Utility Up to
- <100 kW
- 100 kW< <1MW
- >1MW
Minimum hieght of swept area for obstruction w/in 300-500 ft.?

30 ft.
What is the power density of a site with 9m/s wind spped at 3000 ft and 60°F. Derate Factors
.92 and .99
- P/A= .5(1.225)(.92)(.99)(9m/s)³
- P/A= 406 W/m

Author

oaboss

291145

Card Set

Wind Hydro

Description

Wind Hydro

Updated

2014-12-09T19:24:12Z

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