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Old 12-21-2012, 11:24 AM   #1246
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Quote:
Originally Posted by Loachutus View Post
Shrimplantis needs a theme song. Track 4 of QoW?
"Welcome to the temple... welcome to the pyramid..."

Perfect.

**********

IN OTHER NEWS:

Apparently, the LED lens steampunk goggles have gone viral...


Anyone else's dog show up sporting our LED lens steampunk goggles? Put yer pictures in here! Hint: here's the raw material to work from.

.

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Old 12-23-2012, 03:44 PM   #1247
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lol those are so awsome moose has a pair of doggles that have flames on the the sides i will have to get a pic of him with them on and post here for you but i think those would looks just awsome on him lol
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Old 12-23-2012, 05:26 PM   #1248
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Um hmmm...


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Old 12-23-2012, 07:13 PM   #1249
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UM hmmmmmmmm.

BTW, those Mermaids are lookin' the best they've ever looked. Lots of other really great things happening with tweaks in the Shrimporium. DK is trying not to squeal with excitement. This morning, she went live with the nitrate injections, too. An act of faith, as her nitrate test is aged out and useless, so let's hope her calculations are correct!


.

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Old 12-26-2012, 11:44 AM   #1250
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DK's reading a novel about fox hunting. She just picked the book randomly off the library shelf. She doesn't like the sport, and was going to return the book, but it has caused her squirrely brain to think... (actually, to remind her of a good bit of fox-hunting thinking she did years ago...)

We try to use every piece of noise, or at least a lot of them, that enter the squirrely brain.

For example, DK does a lot of DIY stuff, as you know. She tends to apply this to as many areas as possible, as her philosophy is to avoid... enslavement. Such as to a proprietary product, monthly payment, or something of that nature.

She loves dogs, has had many over the years. Vet costs have gone up unbelievably over this period. A good chunk of this is that the pharmaceutical industry has learned to successfully mine the wallets of not only human subjects, but human subjects with animal companions. How many of you are paying much more now than years ago, spending on heartworm medication, worming, vaccinations, topical flea products, etc.? DK does all these, but cheaper than the standard model. Read the fox hunting forums if you want to learn more, she isn't going to give veterinary advice here. But it's out there, how to do these things, in places one might not think to look. She loves the question: Who needs to do the same thing she's trying to do, cheaply, and what do they do? Where do I find what they do? Other Geek has this motto: It's not how much you make, it's how much you keep.

One of the things she has learned is that if you want to know how to do health care for a dog efficiently and cheaply, read the fox hunting forums.

Because fox hunters keep huge numbers of hounds, and they need them in top condition to hunt. So there is a lot of health care going on, but it has to be cheap or they can't afford it.

Hmmmm, where is she GOING with THIS tangent?? She did start off with a shrimp-related point in all this.

Oh, yeah. Economy of scale. (Or, perhaps, she should state it: scale forces economy.)

Right now, she's squeezing her Shrimporium system for better energy efficiency. She's been doodling and fooling around with LED ideas, tweaking heaters, doing all sorts of stuff to squeeze the same or better performance from less energy input. But she runs into sort of the opposite of economy of scale. Some solutions, while they may be more energy efficient, are NOT more time or space efficient when applied to a Shrimporium, because she has to multiply it 20-30 times for the different tanks. This concept has already arisen in the idea of using strip LEDs over tanks, which would aid her in COOLER light (uh, that would be thermally, not spectrally), but would have the side effect of causing all sorts of real estate and practical problems, due to how the strips would need to be hung, and then access into the tanks by moving the low-hung strips. So, a more energy friendly solution using LED strips turns out to be a net loser, at least so far.

Disgruntled by this, she spent the past two days determined to win SOMETHING in this battle of energy efficiency. She has this motto that swims in the swirls of her squirrely brain: any progress, however small, as long as it's FORWARD progress, we'll take.

So, yesterday and the day before, between over-eating, she did a little project.

She made her nemesis her friend, turned around a net negative energy problem hopefully into a net positive solution. Using stuff she already had around, 'cause the stores were closed anyway, plus, she's cheap.

Stay tuned... pictures to follow later.

____________

IN OTHER NEWS:

Under the greenery for the holidays, DK discovered brand new black tiger babies and also brand new Mermaid babies she didn't know she had. This little shrimplet is about 2-3 mm size and looks to be a future broke-black with comic book eyes, although it's a bit hard to tell at this age how they will mature out.


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Old 12-26-2012, 06:15 PM   #1251
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that is a cool little shrimpy
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Old 12-27-2012, 04:26 AM   #1252
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AND... by the way...

This whole discussion of energy efficiency and the yet-another-interruption from the alleged "present topic" of the CJDS project post series is related, in a rather beautiful way. (DK was onto this everything-is-eventually-related thing long before the Kevin Bacon fame - oops, she just dated herself.)

Perhaps that is why she is stringing out the CJDS posts so long.

No, actually, it's because she's been too lazy to set up the very simple last two demonstrations of the rest of the CJDS concepts, and then write out the concluding posts.

Yeah, I need to get on that.

After I talk about this latest two day bender.

Tomorrow.

Er. Later today, actually, now.

We'll start with this picture, to ponder, as those of you who read the thread will recognize. If she weren't overdue to become unconscious for the day, she'd dig up the link to this project, but, she's going to bed, now:


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Old 12-27-2012, 02:47 PM   #1253
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Quote:
We'll start with this picture, to ponder, as those of you who read the thread will recognize.
I'm having visions of pulleys, rope, counter weights, and LED's. Hope it's not just bad holiday food.
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Old 12-27-2012, 03:03 PM   #1254
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We, once again, interrupt all the interruptions, for this:

HOT OFF THE PRESSES, or at least out of the camera.


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Old 12-27-2012, 03:10 PM   #1255
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Big sibling of recent vintage. This one's approaching 8 mm or so.


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Old 12-27-2012, 06:13 PM   #1256
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mermaids are so pretty maybe one day i will get some right now im saving money for spring shipping hehe you already know what i want lol
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Old 12-28-2012, 01:43 AM   #1257
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Quote:
Originally Posted by Loachutus View Post
I'm having visions of pulleys, rope, counter weights, and LED's. Hope it's not just bad holiday food.
Yes, you are correct that this picture is the lid levitation tank project.

However, the point of choosing this picture is because it illustrates something else similiar to over the Sulawesi bank of tanks, which I can get a better angle to photograph over the BSC tank than I can over the Sulawesi tanks.

There are a few rivulets that converge into the stream of puzzle-solving that is the Shrimporium. For now, we will address a few concepts using this picture:
  • The first is that we need light over a tank, which uses power, but also puts out light and heat.
  • The second is that due to the number of tanks, we need vapor control, which means lids.
  • The third is that we need measured heat into the tank, because we need warm water for our livestock, but not TOO warm. A biproduct of this, and lids, is that we often have condensation on the undersurface of the lid, which decreases light transmission efficiency but helps with thermal efficiency as the heat of water vapor is trapped in the tank and doesn't escape, cooling the tanks further. But in warmer weather they ALSO hold in the heat, causing tank temps to become higher than ideal, usually.

So, the big picture to DK's latest project bender had to do with these spiral fluorescent fixtures she made over the Broke Student Crystals 65 gallon tank and also over the bank of Mermaid (Sulawesi) tanks. The fixtures accomplished one goal which was to increase the light into the tanks.

However, it turns out they produce more heat than the previous fixtures, quite a bit more heat.

This past summer, those two compact fluorescent fixtures added enough heat to the Shrimporium that even with the Shrimporium climate control A/C auto-set, the tanks were still basically too hot all summer.

EXCEPT.

EXCEPT, the Sulawesi bank.

So, to make a long story short about the two day bender, DK decided to capture that heat, at least from the compact fluorescent fixtures over the Sulawesi bank, and prevent it from heating the room, and instead use that heat to heat the Sulawesi tanks, and in the process warm the lids, to get rid of the condensation and improve light transmission into the Sulawesi tanks, to grow more biofilms, to grow more Mermaids.

So, instead of those lights over the Sulawesi bank heating up the room, DK encased them over the tanks, trapping that heat, and adding a reflector in the process, to maximize light and heat going BACK into the Sulawesi tanks.

While this does not wholly solve the heat problem in the Shrimporium, it does ratchet the control in the right direction, decreasing the amount of light fixture heat that is heating the general room air, and re-directing that heat into the Sulawesi tanks.

Here are a few shots.

DK installed above the tanks/fixtures a sheet of mirrorized mylar, to bounce heat and light back down into the tanks. Above the mylar, rigid foam board. To the sides, also rigid foam board. Fitted bubble wrap curtain along the backside. Front is temporary right now, with a felt curtain holding in the heat that can be flipped up for access.

Being geeky, DK then had to see if she could discern and measure any results. She relocated her thermometer/humidity guage unit into the trapped space and measured a temperature increase of about 8 degrees F from previous levels, that is now baking down onto the tank lids like tropical sunshine, instead of diffusing into the general room air, heating up the room at large non-specifically.

And hopefully, this weekend, she will set up the last two demos for completion of the CJDS posts, and wrap it all up with a most lovely surprise conclusion!


.

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Old 12-28-2012, 04:37 AM   #1258
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that is too cool . . . er warm?
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Old 12-29-2012, 07:00 PM   #1259
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OK... finally... back to the CJDS posts.

We are talking about degassing DK's carbonated well tap water, using a degassing reactor/chamber in-line with DK's Water Factory III. DK's well water comes from the well chock full of CO2 gas, which results in very acidic tap water, acidic enough to eat through brass and also acidic enough to make Mermaids very unhappy.

Before this post, we talked about things that contribute to degassing:

The rough conceptual equation for degassing is:
RESIDENCE TIME x degassing rate x increase in temperature
= amount of degassing that occurs.




Henry's Law

The solubility of a gas in a liquid depends on temperature,
the partial pressure of the gas over the liquid,
the nature of the solvent
and the nature of the gas.

We talked about RESIDENCE TIME, the time a solution sits around - the longer it sits, the more degassing happens over time.

We talked about MATRIX (ice cubes, and in the CJDS case the orange scrubby net), and how MATRIX provides SURFACE AREA for degassing to occur, and the higher the SURFACE AREA, the faster the degassing rate.

**************

Today, we finish up with the last two practical parts of the CJDS degassing rate. One thing we DO NOT include, but which is related to degassing rate, is the pressure of gasses over the liquid (in lay terms, the pressure of the different air molecules in air on the surface of the water). We don't get into this because in our CJDS system we are basically not ever changing the pressure of the system, so that variable doesn't matter so much in our CJDS system, even though in physics it does.

Today, we illustrate two more aspects that DO relate to the CJDS system: temperature, and agitation.

First, temperature.

DK took two identical cashew jars, put in the same amount of matrix, filled with freshly run DK well carbonated tap water, and set one on the kitchen counter at room temperature, and put the other in the fridge at cold temperature.

After 24 hours, she put the jars side by side and took pics of the degassing.

You will see that the room temperature jar has had a significant amount of degassing happen on the matrix surface, whereas the refrigerated jar shows no visible bubbles.

Much more degassing is in progress in the warmer jar, because there is more heat energy for the gas molecules to bump around and mingle, and stick together, forming bubbles that snowball in growth over time. Much, much less bumping around and mingling the colder you go, so less forming bubbles.

In other words, more degassing takes place over a set amount of time if the temperature is warmer, than if the temperature is colder.

The top pictures shows the jars at the beginning, each treated the same, before separating them for temperature.

The bottom picture is 24 hours later, with the left jar held at room temperature and the right jar in the fridge. You can see the difference in rate of degassing easily.


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Old 12-29-2012, 09:10 PM   #1260
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And second, agitation.

This time, I took two identical jars, and in the one on the left I put a air bubbler for an hour, then let them sit overnight, both on the counter.

Agitation via air bubbling bumps the molecules around, even more than mild heat, plus it interrupts the surface tension on the water surface when the air bubbles rise to the top and break across the water surface, enabling CO2 gas molecules to escape at the surface easier.

So, agitation increases CO2 degassing rate.

Here's a picture of that demo.

While it looks like there was MORE degassing in the non-agitated one because you see bubbles on the matrix, actually the one on the left had too little gas left to form bubbles, most of the gas had already escaped from the water, across the surface of the water and is gone into the air, so there is too little C02 gas left in the water to even form bubbles on the matrix. (Remember, eventually the bubbles snowball in size and rise to the top and escape the water across the water surface.) So, the same looking picture means the opposite. Of course this entertains DK, that the same picture means the opposite, depending what you did to it to get it. In the above temperature trial, if I let both jars sit another day, but BOTH at room temperature the originally chilled jar would have more and larger bubbles than the countertop jar after the second day, because after day one the countertop jar has lost some bubbles across the surface but the chilled jar is still holding most the gas in solution, not in bubbles about to escape. Then the second 24 hours, all that held gas in the originally chilled jar starts to degas on the matrix, making more degassing bubbles on the matrix than the other jar, because the other jar has already lost some of its gas in the first 24 hours.


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