The best wind turbine
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- เผยแพร่เมื่อ 16 ก.ย. 2024
- What is the maximum power that can be obtained from a wind turbine with a given blade length at a given wind speed?
Keywords: Betz limite, wind turbine
Gorban', Gorlov, Silantiev "Limits of the turbine efficiency for free fluid flow" www.math.le.ac....
Naumov et al. “Diagnostics of flow behind a three-blade turbine rotor model” www.sibran.ru/...
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Thank you for this very informative video!
Does the wind that flows outside of the rotor area affect the clearing of slower air mass that has passed through due to shearing like the entrainment/inducement effect in the Dyson bladeless fan system?
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The best would be a VERTICAL AXIS (VAWT), not a Horizontal axis (HAWT) wind turbine. Even though they are less efficient, VAWTs are much safer for birds, bats, and aircraft.
I haven't seen one HAWT with an aircraft WARNING BEACON atop each of the BLADES.
Whereas, the highest point of a VAWT would be easy to mark with a beacon.
Also, a LIGHTNING ROD can extend higher than the top of a VAWT. Might as well put the warning beacon atop the lightning rod.
The probability of air flowing towards a HAWT is less and LESS LAMINAR, the larger and LARGER they are constructed; resulting in more uneven stresses, causing warpage and cracking failures.
In North America, 99% of TORNADOES rotational spin is counter-clockwise (with respect of the clouds 'looking' down to the ground). A Tornado would definitely tend to damage or destroy a HAWT, whereas a VAWT would tend to COUNTERACT a tornado and break the tornado up. Which way should the VAWTs spin ? Clockwise or counter-clockwise ?? A laboratory model of a tornado and proportionately tinier VAWTs would provide that answer.
That mmentum and portion of energy
With fast water release cascading vacuum will generate any speed of wind and cost less need no electric costly