Peltier Effect: Cooling & Thermoelectricity

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Discussion Overview

The discussion centers around the Peltier Effect, its application in thermoelectric cooling, and the relationship between the Peltier Effect and the Seebeck Effect. Participants explore the mechanisms involved and inquire about experimental validation.

Discussion Character

  • Exploratory
  • Technical explanation
  • Debate/contested
  • Homework-related

Main Points Raised

  • One participant describes the Peltier Effect as occurring when a current is passed through dissimilar metals or semiconductors, leading to heat transfer between junctions.
  • Another participant confirms that the Peltier Effect works both ways, implying a relationship with the generation of electricity.
  • A participant introduces the Seebeck Effect as the inverse phenomenon of the Peltier Effect.
  • There is a request for elaboration on how the Peltier Effect works both ways and whether experiments can be conducted to demonstrate this.
  • One participant suggests that experiments related to the Peltier Effect are simple enough to be performed independently.
  • Thermocouples are mentioned as a related concept, with examples provided by a participant.
  • A participant encourages searching for information online and offers to clarify specific doubts or provide references.
  • Another participant indicates they have already searched for information and obtained what they needed.

Areas of Agreement / Disagreement

Participants express varying levels of understanding and knowledge about the Peltier Effect and thermocouples. There is no consensus on the specifics of how the Peltier Effect can produce electricity or the details of related experiments.

Contextual Notes

Some participants express uncertainty about the mechanisms of the Peltier Effect and its relationship with the Seebeck Effect. The discussion includes references to external resources for further exploration.

Who May Find This Useful

Individuals interested in thermoelectricity, experimental physics, and those seeking clarification on the Peltier and Seebeck effects may find this discussion beneficial.

navneet1990
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It occurs when a current is passed through two dissimilar metals or semiconductors (n-type and p-type) that are connected to each other at two junctions (Peltier junctions). The current drives a transfer of heat from one junction to the other: one junction cools off while the other heats up; as a result, the effect is often used for thermoelectric cooling.

can it be possible
that we heat on ened
thus cool the other and thus producing electricity??
i need urgent answers
thanyu for your co-operation
 
Chemistry news on Phys.org
Yep. Works both ways.
 
And the inverse phenomenon is called the Seebeck Effect.
 
could you please elaborate on how it works both way
can an experiment be performed to prove this?
 
Heard of a thermocouple?
 
yes
thermocouples
but i don't really know much about them
could you tell me
examples
sb-bi
fe-cu
ag-au
 
We've given you lots of keywords. Have you tried Googling anyone of them?

If you have a specific question about something you don't understand from all your reading, we can help clarify your doubt. If you need help with being pointed to good references aimed at a particular level, we could do that too. If you want us to write up treatises on subjects that you haven't put the effort of researching yourself, you'll find very little help.

Start here: http://en.wikipedia.org/wiki/Peltier-Seebeck_effect
 
i did search and see and obtain all the inoformation
thank you
 

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