Thursday, April 8, 2010

Tethered to the Moon by Carbon Nanotube Cables, Luno Geo Wind Mills Would Catch the Wind Energy from the Earth’s Rotation

Super strong, super long tensile structures, connected to anchors on the Moon, `suspend` in the Earth's atmosphere assemblies of wind energy catching devices (like turbines) positioned about 10-20 kilometers above the Earth's surface. The wind is actually an airflow generated by the Earth's rotation. The caught energy is converted to electricity and transmitted to Earth. A flat keel, attached to each assembly of turbines, stabilizes the assembly in the direction of the wind. The entire apparatus is stationary relative to the Moon and rotates around the Earth together with the Moon, according to inventor Michael Pindrik  (Baltimore, MD)  in U.S. Patent Application 20100084512.

The cost of installation of tensile structures for Luno Geo Wind Mill (S) should probably be comparable to the NASA's announced budget for fiscal year 2009 ($17.6 billion). The diameter (and the thickness) of the carbon nanotube cable needed would be about 6 cm (2.4 inches) to hold its own weight plus 15,000 ton turbines.  A more or less `safe` estimate for the cost is $100 billion, thus giving us an estimate for 5,000 turbines. 5,000 turbines with 21 megawatt each supposed to generate enough electricity for 25 million of American homes. The carbon nanotube cable would also provide a means to operate a space elevator. 

The use of renewable energy resources continues to be an important factor in satisfying energy demands while substantially reducing environmental impacts. Many conventional renewable recourse energy generation technologies, however, have design limitations, fragility, low benefit-to-cost ratio or inadequate expansion capacity. Accordingly, there is a need for a new approach in wind turbines technologies that addresses some of these problems. The presented disclosure addresses such new approach in wind turbines technologies.  

A few similar system configurations may exist that would provide the desired goal of generating electricity by harnessing the mechanical energy of the airflow caused by the Earth's rotation. The satellite rotating around the Earth may be: a) a man-built substantially massive space object rotating around the earth in an orbit similar to the orbits of currently existing satellites relatively close to the Earth; or b) an asteroid `maneuvered` to rotate around the earth in an orbit similar to the orbits of currently existing satellites relatively close to the Earth; or c) a man-built substantially massive space object positioned less than 10,000 kilometers from the zero gravity point between the earth and the moon; or d) an asteroid `maneuvered` to the zero gravity region between the Earth and the Moon. e) the Earth's Moon itself.

 Luno Geo Wind Mills
All objects in the presented drawings are shown for the illustration purpose. No considerations are given for the correct scale of distances and sizes.

DRAWING 1 is the drawing of a complete Luno Geo Wind Mill apparatus showing Electricity Collecting turbines (4) `suspended` from the Moon (15) into the Earth's (1) atmosphere with the combination of:

Turbines Mounting Frame (5),

Tensile structures (6), (9) and (13)

SMTOS (11)--Sufficiently Massive Terrestrial Object-Satellite (optionally man-guided)

Moon-Stationary Anchor (14)

Stabilizing Keel (3), firmly mounted on the turbines Mounting Frame (5) perpendicular to the Earth's surface, provides stability for the turbines facing the direction of the wind (air flow generated by the Earth's rotation). The Stabilizing Keel operates in a similar way as a boat's keel.

Turbines (4) are mounted on the turbines Mounting Frame (5). The number of turbines on one turbines Mounting Frame (5) and the number of turbines Mounting Frames (5) are limited only by the strength of the tensile structure system (6), (9) and (13). As will be shown later in this disclosure, the number of turbines (4) has to be in thousands in order for Luno Geo Wind Mill to be economically justifiable. Turbine Mounting Tensile structures (6) need to be 3 [km] to 4.5 [km] long.

Tensile structure (9) is a `Gradually Thickening` tensile structure with the diameter at the `bottom` (near the Tensile structure Inter-Connector (7)) of about 6 [cm] (2.4 inches) and at the `top` (near the SMTOS (11)) about 10 [cm] (or 4 inches).

Optionally man-guided) Sufficiently Massive Terrestrial Object-Satellite (SMTOS) (11) is positioned in the vicinity of the Zero Gravity Region where Earth's gravitational force is approximately equal to the Moon's gravitational force.

Electric Cable (16) connects electric equipment mounted on turbines Mounting Frame (5) to the electricity transmitting station(s) positioned at the vicinity of the North Pole (2) or South Pole (18). North and South Poles of the Earth's Axis are the two points on Earth that remain stationary relative to the Moon during Earth's rotation around Earth's Axis. Support Tensile structures (17) maintain desired position of the Electric Cable (16) above the Earth's surface. The maximum length of Support Tensile structures (17) should be comparable to the Earth's diameter--about 12,738 [km]. Similar to the Tensile structure (9), these tensile structures will also have to be made from carbon nanotubes material. 

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