Thermodynamics B/C

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bernard
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Thermodynamics B/C

Postby bernard » August 31st, 2017, 12:20 pm

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Re: Thermodynamics B/C

Postby WhatScience? » September 5th, 2017, 5:41 am

Hey guys. Don't forget to check out the question marathon.
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Events 2018

Thermodynamics, Potions and Poisons, Disease Detectives, Optics, and Towers

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Re: Thermodynamics B/C

Postby WhatScience? » September 5th, 2017, 10:55 am

Reading the 2018 rules now. I do not think the build has changed. Test parameters don't look too complicated.
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Events 2018

Thermodynamics, Potions and Poisons, Disease Detectives, Optics, and Towers

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Re: Thermodynamics B/C

Postby Skink » September 5th, 2017, 3:56 pm

The permitted materials seem less restrictive than the last time this event was run.

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Re: Thermodynamics B/C

Postby Unome » September 5th, 2017, 4:01 pm

Skink wrote:The permitted materials seem less restrictive than the last time this event was run.

Aerogels are allowed, as far as I can tell; I was intrigued to see that.
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Re: Thermodynamics B/C

Postby WhatScience? » September 6th, 2017, 2:43 pm

Skink wrote:.

Aerogels are allowed,.[/quote]

Don't know if this is good or bad news. Good because well obviously. But bad because everyone has access to same materials so might make make the build more competitive.
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Events 2018

Thermodynamics, Potions and Poisons, Disease Detectives, Optics, and Towers

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Re: Thermodynamics B/C

Postby Ashernoel » September 6th, 2017, 2:50 pm

]
R aerogels like important? I'm clueless 0.0
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Re: Thermodynamics B/C

Postby Unome » September 6th, 2017, 2:53 pm

Ashernoel wrote:R aerogels like important? I'm clueless 0.0

In the past, aerogels were prohibited because they were exceptionally good insulators (in fact, possibly the best available - see here) and were also very expensive.
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Re: Thermodynamics B/C

Postby Skink » September 6th, 2017, 2:57 pm

The question becomes, naturally, how much of this stuff is reasonably needed for effectiveness/how easy it is to work with/etc. I was quoted an ugly figure earlier today for how much a few cubic centimeters would cost...

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Re: Thermodynamics B/C

Postby WhatScience? » September 6th, 2017, 3:07 pm

key word, expensive

feels like this gives teams with a bigger budget too much of an edge...
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Events 2018

Thermodynamics, Potions and Poisons, Disease Detectives, Optics, and Towers

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Re: Thermodynamics B/C

Postby Ashernoel » September 6th, 2017, 3:23 pm

would it pass the $2k Troy spent on 3D printing their nat winnng wind power?
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Re: Thermodynamics B/C

Postby Alex-RCHS » September 6th, 2017, 4:04 pm

Ashernoel wrote:would it pass the $2k Troy spent on 3D printing their nat winnng wind power?

Are there any forum posts about Troy's wind turbine? I'd be interested to know more.

Also, wikipedia says that Polyurethane foam has a similarly low thermal conductivity, but is much cheaper.
Edit: Okay, not quite as close. Aerogels are clearly the best option but Polyurethane might be the next best given the price.
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Re: Thermodynamics B/C

Postby Ashernoel » September 6th, 2017, 4:51 pm

My teammates heard them talk about it onstage after getting their medals. It's anecdotal evidence, though, so who knows whether it was their total spending or just one turbine and how rounded the number was. Also, sorry for using such casual abbreviations like "r" and "2k."
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Re: Thermodynamics B/C

Postby cool hand luke » September 6th, 2017, 5:08 pm

What about air, or lack there off? trying to figure out how to go Yeti on it.

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Re: Thermodynamics B/C

Postby wzhang5460 » September 6th, 2017, 5:23 pm

I think that they are putting more of an emphasis on the estimation part rather than the heat retention.
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