3 ms·
Speed of sound is 343m/s at sea level. The blade is 113 metres, so that's a circumference of 710m. A quick google says large turbines can rotate up to 20 rpm,
by DrBazza 5y ago
Speed of sound is 343m/s at sea level. The blade is 113 metres, so that's a circumference of 710m.
A quick google says large turbines can rotate up to 20 rpm, so once every 3 seconds, that's 710/3 = 236m/s, so Mach 0.68
(edit) I think 29rpm is when the tips of blades go supersonic for that turbine.
"The best way to get the correct answer on the internet is to give the wrong one". I look forward to being corrected...
- dylan604 5y ago>"The best way to get the correct answer on the internet is to give the wrong one". I look forward to be Depends on the site and readers. As we've seen recently, wrong answers take on a life of their own and become gospel or canon to eliminate religious overtones.