The power available from a wind turbine is calculated by the following equation: P==Apu where P= power [watts], A= sweep area (circular) of the blades [square meters], p= air density [kilograms per cubic meter A wind turbine generator has a blade diameter of 380 feet [ft]. The specific gravity of air is 0.00123. Assuming a velocity of produced is 4.8 megawatts [MW, determine the efficiency of this turbine.

Physics for Scientists and Engineers with Modern Physics
10th Edition
ISBN:9781337553292
Author:Raymond A. Serway, John W. Jewett
Publisher:Raymond A. Serway, John W. Jewett
Chapter14: Fluid Mechanics
Section: Chapter Questions
Problem 49CP
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by the following equation:
1.
P=Apu
the blades [square meters], p= air density [kilograms per cubic meter], and v=velocity [meters per second].
feet [ft]. The specific gravity of air is 0.00123. Assuming a velocity of 32 miles per hour [mi/h] and the power
ency of this turbine.
gth.
Question Viewer
ed units in the Sl system.
swer to one decimal place.)
k Check Answer
Transcribed Image Text:by the following equation: 1. P=Apu the blades [square meters], p= air density [kilograms per cubic meter], and v=velocity [meters per second]. feet [ft]. The specific gravity of air is 0.00123. Assuming a velocity of 32 miles per hour [mi/h] and the power ency of this turbine. gth. Question Viewer ed units in the Sl system. swer to one decimal place.) k Check Answer
Review 8-66 (algorithmic)
The power available from a wind turbine is calculated by the following equation:
Apu
P=
where P= power [watts], A-sweep area (circular) of the blades [square meters), p= air density [kilograms per cubic meter
A wind turbine generator has a blade diameter of 380 feet [ft]. The specific gravity of air is 0.00123. Assuming a velocity of
produced is 4.8 megawatts [MW], determine the efficiency of this turbine.
Click the icon to view the conversion table for length.
Click the icon to view the density of water.
Click the icon to view SI prefixes table.
Question Viewer
Click the icon to view the table of common derived units in the SI system.
The efficiency of this turbine is %. (Round your answer to one decimal place.)
Enter your answer in the answer box and then click Check Answer
All parts showing
Clear All
Transcribed Image Text:Review 8-66 (algorithmic) The power available from a wind turbine is calculated by the following equation: Apu P= where P= power [watts], A-sweep area (circular) of the blades [square meters), p= air density [kilograms per cubic meter A wind turbine generator has a blade diameter of 380 feet [ft]. The specific gravity of air is 0.00123. Assuming a velocity of produced is 4.8 megawatts [MW], determine the efficiency of this turbine. Click the icon to view the conversion table for length. Click the icon to view the density of water. Click the icon to view SI prefixes table. Question Viewer Click the icon to view the table of common derived units in the SI system. The efficiency of this turbine is %. (Round your answer to one decimal place.) Enter your answer in the answer box and then click Check Answer All parts showing Clear All
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