Questions tagged [thermoelectricity]
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What is the fastest (fast time response) peltier module commercially available and where can I buy it? [closed]
I am searching for a peltier module which has a time response of at least 0,1 seconds. I looked around in the market but this is not usually a characteristic shared by the manufacturer in the data ...
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Callen's Statistical and Thermo approach
In the Callen's paper pointed out two approaches for evolution of systems out of equilibrium.
In one part he says
The statistical approach consists of generalizing the methods of statistical ...
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Onsager relation in the Casimir Paper
My question is about the paper On Onsager's Principle of Microscopic Reversibility by Casimir (see page 346, second column).
The relations between forces and currents have the form
$$\dot x_1 = l_{11}...
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Why Onsager's formulation of thermoelectricity is better than Bridgman's?
General comment: despite the longish historical introduction this question is not about the history of physics but rather about a specific conceptual problem in physics.
Following Bridgman in the ...
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Coupled degenerate wave equation and heat equation via transmission with Gurtin-Pipkin or Coleman-Gurtin thermal law
I am a mathematician and I am working on studying the stability of coupled degenerate wave equation and heat equation under with Gurtin-Pipkin or Coleman-Gurtin thermal law.
The classic wave equation ...
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Why are no industrial diode lasers deep cooled?
Endurance lasers showed that a 633nm laser diode could lase as low as 621nm when cooled to almost -80C. The wavelength shift for diode lasers can surpass 0.3nm/‘C. From my limited experience ...
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Does Peltier element become a weaker thermo-insulator when taking off power?
Imagine we have two bodies (environments) with different temperatures connected to each other through Peltier element. Say, one body has temprature $T_l$, the other $T_h$. For the sake of experiment, ...
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Why are junctions used in thermocouples?
Thermocouples work on the principle of the Seebeck effect. In the simplest one-dimensional form, the voltage appearing between two points on a conducting solid having a temperature difference of $\...
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Single metal Seebeck effect in a ring in the presence of a magnetic field
According to the usual Seebeck effect, you can make a loop of wire with two different metals, apply a temperature difference between two opposite sites of the ring and measure a current. See picture
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Thermoelectric effect
Hey just learned about this thermoelectric effect in physics class,
I was wondering why it is not used more often in the form of a thermoelectric generator in practical industrial applications. Would ...
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Does the volume of water going over a hydroelectric dam matter? [closed]
How does the volume of water going over a hydroelectric dam affect electricity production? Could the flux of the generators not be modulated to different amounts of electricity with the same flow of ...
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How fast does a Peltier change temperature? [closed]
I am developing a project using peltier element tec1 12706.
I want to achieve a hot side temperature of 60 degrees celsius in a matter of seconds after starting the power.
It's not for an operating ...
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Seebeck Effect in a homogenous material
Two materials are usually necessary to manifest the Seebeck effect. However, the Seebeck effect occurs when we apply a temperature gradient to a material, and this material produces a potential ...
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What is the maximum temperature gradient between two points? [closed]
What is the maximum temperature gradient between two points?
If the environment material affect the solution, you can assume that the environment is vacuum.
For example, can we change the temperature ...
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What is the temperature at the center of a square plate subjected to 4 different temperature at each edge? [closed]
Dear all, assuming temperatures have all reached steady-state, is the center temperature will be exactly (T1+T2+T3+T4)/4 assuming this is a square plate with 4 different temperature at each edge?
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