User:Epcole/enes100/speakers

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Give instructor top 3 project choice list
My top three projects were Power Projects, Corn Starch, and Infared. I am working on Corn Starch.

Write problem statement
What makes Corn Starch solution a Non-Newtonian fluid? What is the difference between Newtonian and Non-Newtonian fluids?

Assign Task1
Understand the difference between Newtonian and Non-Newtonian fluids. Buy corn starch and find device to produce sound vibrations.

Compare actual work done to Task1
Purchased corn starch, made oobleck, and studied its behavior.

Week1 Narrative
Here are a few videos I recorded while studying the behavior of the corn starch solution.
 * | Rolling into a ball
 * | Mix with spoon

Week1 Peer Review
Go to each team mates weekly summary wiki page. Read their activities and narrative. Then go the associated discussion page. Say something positive on this page. Try some constructive criticism. Add your name and 1sfoerster 13:32, 28 August 2011 (UTC) to create a time and date stamp. Create a new category if another team mate has already commented here.

Assign Task2
Get some 6" speakers and try to conduct experiments with oobleck and sound waves.

Compare actual work done to Task2
Tried to conduct experiments with speakers.

Week2 Narrative
This week was my first attempt at the actual experiments. I tried Faraday Waves and also Monsters. Both tests were unsuccessful although I think I saw some waves in one of the experiments. I First tried using an ultrasonic horn at 20KHz to create the vibrations but it simply just bubbled the Oobleck around the horn. After about a minute the heat generated from the horn turned the solution into a gummy state. I tried using a speaker cone, initially to create the monsters but that was also unsuccessful. I used a small 4" speaker with a power amp for this experiment.

Here are links to the videos
 * http://www.youtube.com/watch?v=s3IoUoho--Y
 * http://www.youtube.com/watch?v=J0TtgRatOP8&feature=channel_video_title

Week2 Peer Review
Go to each team mates weekly summary wiki page. Read their activities and narrative. Then go the associated discussion page. Say something positive on this page. Try some constructive criticism. Add your name and 1sfoerster 13:32, 28 August 2011 (UTC) to create a time and date stamp. Create a new category if another team mate has already commented here.

Assign Task3
This week I'll spend more time on planning and gathering more information on how the experiments are done.

Compare actual work done to Task3
Studied successful experiments conducted with the cornstarch mixture to possibly find what went wrong with last week's experiments.

Week3 Narrative
Compared the mixture concentrations, not much difference was found. From watching a few of the other videos on youtube and also the post on instructables.com, the main difference I could find was the thickness of the fluid. Also the amount of fluid on the speaker could be something to look at.

Week3 Peer Review
Go to each team mates weekly summary wiki page. Read their activities and narrative. Then go the associated discussion page. Say something positive on this page. Try some constructive criticism. Add your name and 1sfoerster 13:33, 28 August 2011 (UTC) to create a time and date stamp. Create a new category if another team mate has already commented here.

Assign Task4
Gather more info about the concentrations and retry the speaker experiments.

Compare actual work done to Task4
did speaker experiments

Week4 Narrative
With thicker mixtures, the speaker monster experiment actually worked this time. Here is a link
 * http://www.youtube.com/watch?v=wlA-U0wO7P0&feature=feedu

Week4 Peer Review
Go to each team mates weekly summary wiki page. Read their activities and narrative. Then go the associated discussion page. Say something positive on this page. Try some constructive criticism. Add your name and 1sfoerster 13:33, 28 August 2011 (UTC) to create a time and date stamp. Create a new category if another team mate has already commented here.

Complete Project Page
Follow the "project done" format.

Start Next Project Week0 activities
During this week you will perform the week0 activities of the next project.