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....4. Conclusions
By applying basic concepts from mechanics and
fluid mechanics we have derived the equations
applicable for the performance of vehicles
“powered” by a difference in velocity between two
media. A myriad of intriguing results emerge from
these relations.
• I
t is theoretically and practically possible
to build a wind driven car that can go
directly upwind (using a generator/wind
turbine in the air).
•
The rotor design for this type of vehicle is
generally substantially different than an
ordinary wind turbine design. Only in the
case of a car with a very low top speed
will the rotor design tend to the usual
wind turbine design case.
•
It is theoretically possible to build a wind
driven car that can go in the downwind
direction faster than the free stream wind
speed (using a propeller in the air)
•
It is theoretically possible to build boats
that will do the same as the two above
vehicles.
•
There does not exist a definitive upper
limit for vehicles of this kind. As long as
efficiencies are improved, the velocities
will increase unasymptotically.
• Using a part of the power produced on a
wind turbine to propel itself against the
wind, it is theoretically possible to
increase the net power output. Also in
this case without an asymptotic upper
limit.
---------------------------------
yahooeю
................................................
There does not exist a definitive upper
limit for vehicles of this kind. As long as
efficiencies are improved, the velocities
will increase unasymptotically.
Using a part of the power produced on a
wind turbine to propel itself against the
wind, it is theoretically possible to
increase the net power output. Also in
this case without an asymptotic upper
limit.
это ****ец...
давайте строить такой ветряк.....
а запентовать идею мы не успеем? мож еще успеем?
и я всерьёз озадачусь ветрогенератором - и роторник тут на первом месте стоит шума мало, компактный, отсутствует система поворота...
