Practical steam turbines come in all shapes and sizes and produce power ranging from one or two megawatts (roughly the same output as a single wind turbine) up to 1,000 megawatts or more (the output from a large power plant, equivalent to 500–1000 wind turbines working at full capacity)....
A typical nuclear plant might make 2–3GW of power—as much as a large coal plant or about 1000–1500 large wind turbines working at full capacity. [2] No-one disagrees that nuclear is a very effective way to generate enormous amounts of energy. Nuclear plants produce much lower carbon...
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Practically, we describe the energy consumption and emission of electronic devices in terms of power consumption, or watts (W) = joules/second, because the total amount of energy the device needs depends on how long it is on for, and there is a constant a Define average power and w...
In Denmark, where farmers have bought wind turbines, Toke [46] links this to ‘a rural tradition of common action to solve problems’ and long traditions of rural cooperation; this can also be understood as indicating the social sensitivity of habitus, and practical logic and adaptation with ...
How is a windmill quieter than a sewing machine? Looks like Randall never went up close to one :) Wind turbines make around 100 dB (of course you never stand close enough to experience it at this level), and the old timey windmills or water mills were very loud mechanisms too. --162.1...
There are eddy current brakes in wind turbines. They're better at braking the rotors at high speeds and easier to maintain (wind turbines are often in inaccessible places where friction brakes would be too hard to service or repair). You'll also find eddy current brakes in all kinds of ...
Machines that measure force, power, or speed in this way are called dynamometers. Let's take a closer look at how they work!Photo: Testing, testing! This giant 5MW dynamometer is one of the biggest in the world, designed to test a wind turbine drive train to simulate how well it ...
"Smart grids" (future power-transmission systems, fed by intermittent sources of renewable energy, such as wind turbines and solar farms), are therefore going to be a major application. Despite huge interest, SST technology remains relatively little used so far, but it's likely to be the ...
But when it comes to tricky rescue missions—plucking stranded sailors from the sea, hurling tubs of water onto forest fires, plucking engineers off wind turbines, dashing the critically injured to hospital—nothing beats a chopper. According to science historians, inventors had been trying to ...