Hypothetical

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Shaneyj said:
The physics of the scenario is what intrigued me.
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Electricians intelligently discussing principles of physics is less likely than blow-up dolls in passenger seats convincing police officers they are not a dummy.
 
Besoeker said:
The motors were dismantled, the end bells and rotor removed. The stator was flushed out with water and then left to dry in the baking hot sun. Means and resources. So getting something soaked isn't the end of the world Operating it under such conditions is another matter.
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I will admit to having done that, would say I removed more problems then I added in every case.
 
kwired said:
I will admit to having done that, would say I removed more problems then I added in every case.
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Yes. Not saying it's a bad thing. It's just not done here. We have a temperate climate that generally does not get hot enough for long enough to make it an effective tenique.
 
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Besoeker said:
Yes. Not saying it's a bad thing. It's just not done here. We have a temperate climate that generally does not get hot enough for long enough to make it an effective tenique. With global warming, hoo nose........

But it might get worse. Our moderate climate owes much to the Gulf Stream - thank you Mexico........:)
I've read that some experts think warming will push the Gulf Stream into more northerly latitudes. Goodbye GB, hello Iceland?
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If you qat a plant with a steam system and mixing valves for hoses you can wash them out with some pretty hot water, takes grease off with little or no detergents, and leaves it hot enough it dries pretty quickly.
 
Besoeker said:
Then he have simply asked that general question. Nothing hypothetical about it.

Somewhat related, I've been to quite a few different countries and have seen practices that many would have raised eyebrows at.
One was motor maintenance in the Far East. The motors were dismantled, the end bells and rotor removed. The stator was flushed out with water and then left to dry in the baking hot sun. Means and resources. So getting something soaked isn't the end of the world Operating it under such conditions is another matter.
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You still haven't added anything of value to my question. And since you're hung up on my wording, just for you I will ask the question without the word hypothetical this time...
Rather than me typing it, just imagine I didn't use that word, and feel free to insert any other word that is more likely to get you to share your ideas or knowledge.
Your bio says EE. You are the type of audience I was appealing to.


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Shaneyj said:
...physics behind a 120v outlet being submerged in water... Assume a living room with several outlets submerged. Circuit stays energized.

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One of the basics of PHYSICS is experimentation.

To answer your own question, take a plastic bucket of the flood water (in a dry place) and put an outlet into the water connected to a cord and plug set.

Plug it in - observe. Depending on the water mineral/acid/base content, you will generate various levels of slight to vigorous steam bubbles. Measure the current. Count the outlets on that circuit, multiply - will the breaker trip?

Sprinkle some salt (NaCl or any other salt) into the water, watch the current rise. Do same thing with HCl or vinegar, again watch current rise.

Taking physics a step further, correlate amount of steam generated with current and heat of vaporization of water to verify the various formulatin of the laws of electrolysis,


etc....... :eek:hmy:

etc....

BTW, to see if the power has failed during storm with no one present, look at any 60 Hz clocks you may still use clocks. To see if your freezer protected the contents while power off, see if there is anything left of the single ice cube you placed on the shelf inside.
 
Shaneyj said:
You still haven't added anything of value to my question. And since you're hung up on my wording, just for you I will ask the question without the word hypothetical this time...
Rather than me typing it, just imagine I didn't use that word, and feel free to insert any other word that is more likely to get you to share your ideas or knowledge.
Your bio says EE. You are the type of audience I was appealing to.
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I actually agreed with your wording.
If the room has several outlets I assume that all would be on the same supply so the electric fields could get quite complex.
We used directly water cooled SCR heatsinks in high current rectifiers in a hexaphase configuration. End to end on phase to antiphase would be about 100V so not hugely different to your 0-120V domestic supply. Conduction through the water wasn't a problem. The water was circulated through coolers so, apart from leakage, the same water was recycled.

An experiment we did at secondary school was to use electrolysis to split water into oxygen and hydrogen. We used regular tap water but it had to be laced with a little sulphuric acid to get the process to go a bit quicker.

FWIW, I have just checked our cold water with the probes about an inch apart and got around 300kohms.
 
kwired said:
Stand barefoot on a grounded surface and try same experiment and you may not live to tell about it.
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I know. But most bathrooms do not have a 'grounded surface' as a floor, and fewer and fewer have grounded water pipes. I am not advocating any unsafe practice, but there are many misconceptions about water being able to conduct electricity, and I think the videos are entertaining and prove a point.
 
K8MHZ said:
I know. But most bathrooms do not have a 'grounded surface' as a floor, and fewer and fewer have grounded water pipes. I am not advocating any unsafe practice, but there are many misconceptions about water being able to conduct electricity, and I think the videos are entertaining and prove a point.
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the common misconception is that the hair dryer should throw sparks or blow up when immersed in the water. Reality is there probably was some current passing between two terminals via water while the dryer was submerged. If there had been anything introducing potential from outside the sink there would have been current there as well. Otherwise that sink was no different then the suggested plastic bucket of water.

There are 120 volt household steam vaporizers that are nothing more then two electrodes spaced about an inch apart and immersed in a plastic tank of water. The electrodes are inside an additional housing to keep them from exposure to users but this housing has openings to let the water in, the electrodes are still essentially placed in a plastic container full of water.
 
kwired said:
There are 120 volt household steam vaporizers that are nothing more then two electrodes spaced about an inch apart and immersed in a plastic tank of water. The electrodes are inside an additional housing to keep them from exposure to users but this housing has openings to let the water in, the electrodes are still essentially placed in a plastic container full of water.
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That's news to me. Can you show me a link to such a device?
 
kwired said:
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There are 120 volt household steam vaporizers that are nothing more then two electrodes spaced about an inch apart and immersed in a plastic tank of water. The electrodes are inside an additional housing to keep them from exposure to users but this housing has openings to let the water in, the electrodes are still essentially placed in a plastic container full of water.
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But all of those that I have seen require you to add a significant amount of salt to the water.

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K8MHZ said:
That's news to me. Can you show me a link to such a device?
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http://www.ebay.com/itm/M4x25mm-304...732753&hash=item283cc69f23:g:wmIAAOSwYaxZj2ru

My mother even had one in the 1950s for use when we had a cold.
Still have one somewhere we used for out kids in the 60s/70s. Ours was 2 big BARE electrodes that went into a gallon jar, electrodes about 8" long and an inch wide, no salt needed for most tap water. Could also be used as a 'cattle prod' if plugged in and out of water :happysad:
:happysad:
 
K8MHZ said:
That's news to me. Can you show me a link to such a device?
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I don't think we have it anymore, but I believe we owned one with that configuration. I'll poke around when I get home.

The usual configuration is an immersion coil type heater, at least in my experience.
 
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