12 Questions
What is the formula for the kinetic energy produced by the wind when mass ma is moving at a velocity V?
E = ½ ma V2
Which parameter represents the kinetic energy of air per unit volume of air?
Ev = ½ da V2
What is the volumetric flow of air for a given area of the rotor, represented by?
Qa = V Ar
How can wind power be computed based on the given equations?
P = ½ da Ar V3
During which months does the Southwest Monsoon, with its maximum intensity in August, occur?
June to September
Which areas are listed as suitable for Wind Energy Systems in the provided text?
Batanes, Catanduanes, Northern Luzon, and Western Visayas
What is the relationship between wind power and wind velocity in a windpump?
It increases with the cube of the wind velocity
What percentage of the wind kinetic energy can a windpump without a complicated guiding device extract?
59%
What is one advantage of Wind Energy Systems mentioned in the text?
Clean and does not cause pollution
What is one limitation of Wind Energy Systems mentioned in the text?
Site specific and applicable only in areas with wind speed of 3 m/s or higher
Why is technology localization mentioned as an advantage of Wind Energy Systems in the text?
To minimize labor costs and reduce investment cost
Why might a Wind Energy System require a back-up system?
For areas where wind supply is low
Explore the concept of windpumps, machines that convert wind energy into mechanical power for water pumping. Learn about the relationship between wind velocity and power output, efficiency percentages, and aerodynamic qualities of windpump rotors.
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