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Designed by: B reana Harvell, A nna Carr, D arius James, J ohn Quigley, and R obert Walker PowerPoint PPT Presentation


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Albert B .A.D.J.R. The Awesome Windmill Generator. Designed by: B reana Harvell, A nna Carr, D arius James, J ohn Quigley, and R obert Walker. Device Design:. The insulator is made of a cardboard box The copper rod goes through both sides of the box and serves as the axle

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Designed by: B reana Harvell, A nna Carr, D arius James, J ohn Quigley, and R obert Walker

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Designed by b reana harvell a nna carr d arius james j ohn quigley and r obert walker

Albert B.A.D.J.R.

The Awesome Windmill Generator

Designed by:

Breana Harvell, Anna Carr,

Darius James, John Quigley,

and Robert Walker


Device design

Device Design:

The insulator is made of a cardboard box

The copper rod goes through both sides of

the box and serves as the axle

Red coated, copper wire wraps around the

cardboard box forming coils

Four magnets are attached to the axle,

inside of the cardboard box

The light is connected to the ends of the

wires

A fan is attached to one end of the axle and

generates the power to light the bulb when

spinning at the appropriate pace


Electrical mechanical aspects of our device

Electrical & Mechanical Aspects of our device:

Mechanical:

Straight fan axle linkage

Magnets magnetically attached to copper axle, which is spun by the fan or wind power

Electrical:

Magnets spin in between the spun coils, which collect and transfer the electrical charge to the light bulb


Estimated efficiency calculations

Estimated efficiency calculations:

For the efficiency of our engine we use the equation:

Produced 16 Volts and ~ 0.1 Amps

P = I x V = (0.1 A) x (16 V) = 1.6 watts

Power generated = 1.6 watts

Period = 1 second

* Here:

E = efficiency

Nb = gearbox/ bearings efficiency

Area = 49cm2

Ce = coefficient of performance

* 1.225 is assumed as the air density

We will combine the two efficiency values and coefficient of performance and let them account for the total efficiency of our generator

E = 62.805 % efficient


Construction design issues

Construction/ Design Issues:

Our first cardboard box was

crushed by the pressure of the coils

Two of the magnets snapped into

two pieces

The initial wire purchased was not

coated and was the wrong size

Difficulty getting the rod to stick to

the fan properly


Conclusions

Conclusions:

Basically, our generator works.

Concepts learned

The gauge of wire does make a difference in the intensity of power generated

As well as the coating of the wire

Creating motion between a magnetic field and a coated conductor, the change in charge over an area of the conductor will cause a charge to be distributed

Problems

Wire problems

coating and gauge

Fan positioning is not perfectly square.

Cardboard serves as sort of a insulator and absorbs some of the energy.


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