5
votes
Accepted
Can Peltier Modules be practically used to cool a room?
Peltier thermoelectric cooling modules can be used to cool anything you like. It will not be economical compared to a standard off the shelf air-conditioner (R-134A compressor cycle). If you source ...
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4
votes
Accepted
Does a Peltier device conduct heat when turned off?
Most thermometric cooling modules (Peltier devices) are made out of Bismuth Telluride which has a thermal conductivity of 1.20 W/(m·K), similar to ordinary glass.
From this wiki list of thermal ...
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2
votes
Can Peltier Modules be used as an Air Conditioner?
Your calculations are probably wrong. Peltier effect coolers are known to be extremely inefficient in converting electrical power into useful refrigeration. This is why they are not commonly used in ...
- 15.3k
2
votes
Accepted
Could the analogical input and output of the minijack on smartphones be used to mesure temperature via a type K thermocouple?
The only input possibility is for the thermocouple to act as a microphone or audio source. There are several reasons why this wouldn't work.
There will most likely be a DC blocking capacitor on the ...
- 11.1k
1
vote
Why are thermocouples documented by couple type (or by pair) and not by material (single) and compatibility
For precision applications, the traces of residual elements in each individual heat of metal may make a tiny difference. So, there are different levels of certification depending on the variability of ...
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1
vote
Do all thermoelectric generators (TEG) require two distinct metals?
It is possible to make a thermoelectric generator from a single metal, but there needs to be some change in the Seebeck coefficient at the heated "junction". Forming the junction from two ...
- 469
1
vote
Do all thermoelectric generators (TEG) require two distinct metals?
A conductor, hot on one side, and cold on the other will produce a voltage proportional to the Seebeck constant and temp gradient. In order to flow current, you need to connect the hot side to the ...
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vote
Can Peltier Modules be used as an Air Conditioner?
A useful measure for this comparison is the COP (Coefficient of performance) which measures ratio between the heat energy transferred over the energy used.
The following is a theoretical prediction of ...
- 24.3k
1
vote
What's the difference between thermocouple grade and extension grade wire?
Introduction
Thermocouple Wire that is used in a thermocouple from the point of sensing to the point of cold junction compensation (cjc end) where the signal is measured.
A thermocouple is a sensor ...
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