Chapter Managing Heat Transfer Issues in Thermoelectric Microgenerators
This chapter deals with heat transfer challenges in the microdomain. It focuses on practical issues regarding this matter when attempting the fabrication of small footprint thermoelectric generators (μTEGs). Thermoelectric devices are designed to bridge a heat source (e.g. hot surface) and a heat si...
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| Үндсэн зохиолчид: | , , , , , , , , , |
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| Формат: | Online |
| Хэл сонгох: | англи |
| Хэвлэсэн: |
InTechOpen
2021
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| Нөхцлүүд: | |
| Онлайн хандалт: | ONIX_20210602_10.5772/intechopen.96246_506 |
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Шошго байхгүй, Энэхүү баримтыг шошголох эхний хүн болох!
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| _version_ | 1869522987734007808 |
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| author | Marc, Salleras Luis, Fonseca Inci, Donmez-Noyan Marc, Dolcet Joaquin, Santander Denise, Estrada-Wiese Jose-Manuel, Sojo Gerard, Gadea Alex, Morata Albert, Tarancon |
| author_browse | Albert, Tarancon Alex, Morata Denise, Estrada-Wiese Gerard, Gadea Inci, Donmez-Noyan Joaquin, Santander Jose-Manuel, Sojo Luis, Fonseca Marc, Dolcet Marc, Salleras |
| author_facet | Marc, Salleras Luis, Fonseca Inci, Donmez-Noyan Marc, Dolcet Joaquin, Santander Denise, Estrada-Wiese Jose-Manuel, Sojo Gerard, Gadea Alex, Morata Albert, Tarancon |
| author_sort | Marc, Salleras |
| collection | Directory of Open Access Books |
| description | This chapter deals with heat transfer challenges in the microdomain. It focuses on practical issues regarding this matter when attempting the fabrication of small footprint thermoelectric generators (μTEGs). Thermoelectric devices are designed to bridge a heat source (e.g. hot surface) and a heat sink (e.g. ambient) assuring that a significant fraction of the available temperature difference is captured across the active thermoelectric materials. Coexistence of those contrasted temperatures in small devices is challenging. It requires careful decisions about the geometry and the intrinsic thermal properties of the materials involved. The geometrical challenges lead to micromachined architectures, which silicon technologies provide in a controlled way, but leading to fragile structures, too. In addition, extracting heat from small systems is problematic because of the high thermal resistance associated to heat exchanged by natural convection between the surrounding air and small bare surfaces. Forced convection or the application of a cold finger clearly shows the usefulness of assembling a heat exchanger in a way that is effective and compliant with the mechanical constraints of micromachined devices. Simulations and characterization of fabricated structures illustrate the effectiveness of this element integration and its impact on the trade-off between electrical and thermal behavior of the active materials in device performance. |
| format | Online |
| id | doab-20.500.12854ir-70542 |
| institution | Directory of Open Access Books |
| language | eng |
| publishDate | 2021 |
| publishDateRange | 2021 |
| publishDateSort | 2021 |
| publisher | InTechOpen |
| publisherStr | InTechOpen |
| record_format | ojs |
| spelling | doab-20.500.12854ir-705422025-08-13T14:11:59Z Chapter Managing Heat Transfer Issues in Thermoelectric Microgenerators Marc, Salleras Luis, Fonseca Inci, Donmez-Noyan Marc, Dolcet Joaquin, Santander Denise, Estrada-Wiese Jose-Manuel, Sojo Gerard, Gadea Alex, Morata Albert, Tarancon thermoelectricity, silicon technology, micromachining, silicon nanowires, heat exchangers thema EDItEUR::T Technology, Engineering, Agriculture, Industrial processes::TB Technology: general issues::TBC Engineering: general thema EDItEUR::T Technology, Engineering, Agriculture, Industrial processes::TB Technology: general issues::TBC Engineering: general This chapter deals with heat transfer challenges in the microdomain. It focuses on practical issues regarding this matter when attempting the fabrication of small footprint thermoelectric generators (μTEGs). Thermoelectric devices are designed to bridge a heat source (e.g. hot surface) and a heat sink (e.g. ambient) assuring that a significant fraction of the available temperature difference is captured across the active thermoelectric materials. Coexistence of those contrasted temperatures in small devices is challenging. It requires careful decisions about the geometry and the intrinsic thermal properties of the materials involved. The geometrical challenges lead to micromachined architectures, which silicon technologies provide in a controlled way, but leading to fragile structures, too. In addition, extracting heat from small systems is problematic because of the high thermal resistance associated to heat exchanged by natural convection between the surrounding air and small bare surfaces. Forced convection or the application of a cold finger clearly shows the usefulness of assembling a heat exchanger in a way that is effective and compliant with the mechanical constraints of micromachined devices. Simulations and characterization of fabricated structures illustrate the effectiveness of this element integration and its impact on the trade-off between electrical and thermal behavior of the active materials in device performance. 2021-06-02T10:13:52Z 2021 chapter ONIX_20210602_10.5772/intechopen.96246_506 https://library.oapen.org/handle/20.500.12657/49392 https://directory.doabooks.org/handle/20.500.12854/70542 eng open access image/jpeg image/jpeg image/jpeg n/a n/a n/a https://library.oapen.org/bitstream/20.500.12657/49392/1/75809.pdf https://library.oapen.org/bitstream/20.500.12657/49392/1/75809.pdf https://library.oapen.org/bitstream/20.500.12657/49392/1/75809.pdf InTechOpen 10.5772/intechopen.96246 10.5772/intechopen.96246 035ecc65-6737-43cf-a13a-6bdf67ce01f4 open access |
| spellingShingle | thermoelectricity, silicon technology, micromachining, silicon nanowires, heat exchangers thema EDItEUR::T Technology, Engineering, Agriculture, Industrial processes::TB Technology: general issues::TBC Engineering: general thema EDItEUR::T Technology, Engineering, Agriculture, Industrial processes::TB Technology: general issues::TBC Engineering: general Marc, Salleras Luis, Fonseca Inci, Donmez-Noyan Marc, Dolcet Joaquin, Santander Denise, Estrada-Wiese Jose-Manuel, Sojo Gerard, Gadea Alex, Morata Albert, Tarancon Chapter Managing Heat Transfer Issues in Thermoelectric Microgenerators |
| title | Chapter Managing Heat Transfer Issues in Thermoelectric Microgenerators |
| title_full | Chapter Managing Heat Transfer Issues in Thermoelectric Microgenerators |
| title_fullStr | Chapter Managing Heat Transfer Issues in Thermoelectric Microgenerators |
| title_full_unstemmed | Chapter Managing Heat Transfer Issues in Thermoelectric Microgenerators |
| title_short | Chapter Managing Heat Transfer Issues in Thermoelectric Microgenerators |
| title_sort | chapter managing heat transfer issues in thermoelectric microgenerators |
| topic | thermoelectricity, silicon technology, micromachining, silicon nanowires, heat exchangers thema EDItEUR::T Technology, Engineering, Agriculture, Industrial processes::TB Technology: general issues::TBC Engineering: general thema EDItEUR::T Technology, Engineering, Agriculture, Industrial processes::TB Technology: general issues::TBC Engineering: general |
| topic_facet | thermoelectricity, silicon technology, micromachining, silicon nanowires, heat exchangers thema EDItEUR::T Technology, Engineering, Agriculture, Industrial processes::TB Technology: general issues::TBC Engineering: general thema EDItEUR::T Technology, Engineering, Agriculture, Industrial processes::TB Technology: general issues::TBC Engineering: general |
| url | ONIX_20210602_10.5772/intechopen.96246_506 |
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