| | Category | EV | L15 | Blow Your Stack |
| | Abstract | In this project, I utilize the stack effect in order to create an updraft |
| | powerful enough to be used to generate electricity. By utilizing the stack |
| | effect, I can produce wind energy by heating the air under the stack. I first |
| | had to have the base professionally made. Once the base was made, I |
| | began riveting duct work together. Once the stack was assembled, I |
| | covered three sides of my stack with black plastic and used a concave |
| | mirror to heat the air in the bottom of the cone. This heat created a draft, |
| | which I measured using an anemometer. I then recreated this wind speed |
| | to test the energy output with a turbine I made from salvaged parts. At the |
| | top of the stack, the anemometer gave a highest reading of 20.1 mph or |
| | 8.985 m/s. When I recreated that wind speed, the turbine produced 3.1 |
| | volts without the resistor, and produced 1.2 volts with a 10 watt, 10 ohm |
| | resistor attached. Calculations show that my turbine is 24% efficient, I also |
| | found that my turbine would make .12 amps and .144 watts of power with |
| | a 20.1 mph wind. Based on my findings, I know that by utilizing the stack |
| | effect, I can produce electricity and I believe solar stacks would be a great |
| | option for electricity production both because of their low operations |
| | costs, and their sustainability. |
| | Bibliography | Christ, S. (2007). Solar Tower of Power More than a lot of Hot Air. |
| | Koerner,P. (2008). Green Building: Jetson Green. Retrieved February 6, |
| | 2009 from www.jetsongreen.com |
| | Leahy, S. (2005). Solar Tower of POwer Finds Home. Retrieved January |
| | 21, 2009 from www.wired.com |
| | Solar Tower Thermal Energy Generator. (2005). Retrieved January 21, |
| | 2009 from www.mostlyhotair.com |
| | Woody, T. (2006). How Australia got hot for solar power. Retrieved |
| | January 21, 2009 from www.cnnmoney.printthis.clickability.com |