Topic: Why Are Thermos Bottles Silvered on inside
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Answers to Common Questions
What is the role of the silver coating inside a thermos bottle?
Since air is evacuated from the wall of the thermos, the principle mechanism for heat transfer in/out for a cold/hot contents is by infrared radiations through the vacuum. Silver reflects most of that IR before is absorbed by the wall. The ... Read More »
Source: http://answers.yahoo.com/question/index?qid=20100115182532AAFffoS
Why thermos from inside is silver?
It makes it easy to tell whether or not it's clean. Siver is known for the reducing the heat loss. it is the bad conductor of heat. nor silver absorb heat neither allow it to emit form the thermos. Because of this, the fluid in the thermos ... Read More »
Source: http://wiki.answers.com/Q/Why_thermos_from_inside_is_silver
Why is the inside of a thermos flask painted silver?
The reflective surface minimises heat loss or gain by radiation. Read More »
Source: http://wiki.answers.com/Q/Why_is_the_inside_of_a_thermos_flask_pa...
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Answers to Other Common Questions
The inside of a thermos bottle ...
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Source: http://www.chacha.com/question/what-is-the-inside-silver-of-a-the...
Some heat exists in the form of molecular kinetic energy, while some of it exists in the form of electromagnetic radiation. The metallic inner surface acts as a mirror to reflect the electromagnetic radiation back into the container.
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Source: http://wiki.answers.com/Q/How_does_the_silver_surface_in_a_thermo...
A mirror-like surface is usually a good reflector not only of visible light, but also of "light" which has wavelengths outside of the visible spectrum. In particular, it's a good reflector of infrared radiation. Infrared radiation is "made ...
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Source: http://answers.yahoo.com/question/index?qid=20080726054930AARHzZL
The mirror finish in a thermos is to limit the amount of heat transfered in or out by radiation. The gap limits the transfer of heat by conduction. The vacuum within the gap limits the transfer of heat by convection. The mirrored surfaces l...
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Source: http://answers.yahoo.com/question/index?qid=20100208055132AAcahfb
Silver's melting point is rather high your best bet would be ...
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Source: http://www.chacha.com/question/how-do-you-coat-the-inside-of-a-co...
Axe?
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Source: http://answers.yahoo.com/question/index?qid=20111103124940AA9l2Cw
silver colour reflects thermal energy by walls (shiny surfaces have more reflectance, ie, energy lost by absorption is less), hence prevent heat loss by radiation. Vacuum prevents heat loss through conduction and convection, because both th...
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Source: http://answers.yahoo.com/question/index?qid=20090116014145AADtuHX
