8 Answered Questions for the topic Wind

08/08/19

Is there a reliable way to identify regions with negatively-correlated winds?
When examining the potential for large-scale electricity grids, and when identifying the lowest-cost ways to generate clean electricity, a recurring theme is of spreading wind generation across a... more
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08/07/19

Why do certain areas on Earth have a higher or lower air pressure at sea level?
For instance, looking at [this map of world air pressure in January](http://www.mapsofworld.com/world-maps/wind-and-pressure-jan-enlarge-map1.html) and [this map of... more
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08/06/19

Sea breeze - magnitude of horizontal pressure gradient?
What is the range of horizontal pressure gradients typically caused by the differential heating of land and water under sea breeze conditions?
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07/29/19

The grains of the parabolic dunes?
My text book says that parabolic dunes consist of consolidated limestone grains, but I wondered if they have sand grains too, so I googled this issue and found that they consist of sands, but I am... more
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Wind

06/06/16

speed of the wind
Against the wind a commercial airline in South America flew 510miles in 3hours. With a tailwind the return trip took 2.5hours. What was the speed of the plane in still? air? What was the speed of... more
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Wind

05/27/16

speed of the wind
Against the wind a small plane flew 280 miles in 1 hour and 10 minutes. The return trip took only 50 minutes. What was the speed of the? wind? What was the speed of the plane in still? air?
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09/17/14

Sustainable Energy: Wind
A wind farm occupying a certain (unspecified) area in which the average wind speed is 3 metres per second (m/s) generates an average power of 5 kWh/d. If the wind speed is doubled to 6 m/s, what is... more
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09/17/14

A wind farm produces 1 GWh of electricity per week from 31 x 1MW wind turbines.
 Calculate the capacity factor of the wind farm. Express your answer as a percentage.
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