i need help who can answer this?
Thermocoupling
D. K. C. MacDonald has written: 'Near zero' -- subject(s): Low temperatures 'Faraday, Maxwell, and Kelvin' 'Thermoelectricity' -- subject(s): Thermoelectricity
Robert Russell Heikes has written: 'Thermoelectricity'
Daniel D. Pollock has written: 'Physical properties of materials for engineers' -- subject(s): Materials, Solids 'The theory and properties of thermocouple elements' -- subject(s): Thermocouples 'Thermoelectricity' -- subject(s): Thermocouples, Thermoelectric materials, Thermoelectricity 'Electrical conduction in solids' -- subject(s): Electric conductivity, Energy-band theory of solids
Yes, thermocouples are a common application of thermoelectricity. They consist of two different metals joined at one end, creating a voltage that is proportional to the temperature difference between the junction and the other ends. This property makes them widely used for temperature measurement in various industries due to their simplicity, reliability, and ability to operate over a wide temperature range.
Thermoelectricity generation, while providing a way to convert heat into electricity, raises several environmental concerns. The processes often involve the use of fossil fuels, which can contribute to greenhouse gas emissions and air pollution. Additionally, the extraction of materials for thermoelectric materials can lead to habitat destruction and resource depletion. Finally, the disposal of thermoelectric devices can result in hazardous waste issues if not managed properly.
Barbara E. Ganter has written: 'Thermokraft abschreckend kondensierter Legierungsschichten' -- subject(s): Alloys, Free electron theory of metals, Thermoelectricity
Thermoelectricity is electricity generated with the thermoelectric effect. Essentially, when you heat one end of a suitable material, the electrons move away from the heat, creating an electric current. It is not terribly efficient, but thermoelectric generators are often used to capture waste heat. It can also refer to electricity produced by a thermoelectric power plant, where heat (usually in the form of steam) from burning some material, usually one of the fossil fuels (coal, oil and natural gas), but also biomass, biogas, or even garbage, generates electricity.
Thermoelectricity occurs when a temperature difference across a material generates an electric voltage, a phenomenon known as the Seebeck effect. This happens because charge carriers (electrons or holes) in the material move from the hot side, where they have higher energy, to the cold side, creating a potential difference. Conversely, applying an electric current can create a temperature difference through the Peltier effect. Thermoelectric materials are often used in applications such as power generation and cooling systems due to their ability to convert heat directly into electricity and vice versa.
J. Tauc has written: 'Photo and thermoelectric effects in semiconductors' -- subject(s): Crystals, Electric properties, Photoelectricity, Semiconductors, Thermoelectricity 'Amorphous and liquid semiconductors' -- subject(s): Amorphous semiconductors, Liquid semiconductors
Using two different metals creates a potential difference or voltage between them, which allows the flow of electrons to generate an electric current. This process is known as the Seebeck effect in thermoelectricity and is utilized in devices such as thermocouples to measure temperature differentials.
Josie Barnard has written: 'Virago woman's travel guide to New York' -- subject(s): Guidebooks, Travel, Women 'Poker Face' 'The Virago woman's travel guide to London' -- subject(s): Guidebooks, Travel, Women