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1. Identificação
Tipo de ReferênciaArtigo em Revista Científica (Journal Article)
Sitemtc-m21b.sid.inpe.br
Código do Detentorisadg {BR SPINPE} ibi 8JMKD3MGPCW/3DT298S
Identificador8JMKD3MGP3W34P/3Q58H9E
Repositóriosid.inpe.br/mtc-m21b/2017/11.30.15.20
Última Atualização2017:11.30.15.20.54 (UTC) administrator
Repositório de Metadadossid.inpe.br/mtc-m21b/2017/11.30.15.20.54
Última Atualização dos Metadados2021:07.28.21.23.12 (UTC) administrator
DOI10.1080/16000870.2016.1272752
ISSN0280-6495
Chave de CitaçãoMakarievaGoNeShNoShLi:2017:ReSuPr
TítuloKinetic energy generation in heat engines and heat pumps: the relationship between surface pressure, temperature and circulation cell size
Ano2017
Data de Acesso16 maio 2024
Tipo de Trabalhojournal article
Tipo SecundárioPRE PI
Número de Arquivos1
Tamanho1854 KiB
2. Contextualização
Autor1 Makarieva, A. M.
2 Gorshkov, V. G.
3 Nefiodov, A. V.
4 Sheil, D.
5 Nobre, Antonio Donato
6 Shearman, P. L.
7 Li, B. L.
Grupo1
2
3
4
5 COCST-COCST-INPE-MCTIC-GOV-BR
Afiliação1 Petersburg Nuclear Physics Institute
2 Petersburg Nuclear Physics Institute
3 Petersburg Nuclear Physics Institute
4 Norwegian University of Life Sciences
5 Instituto Nacional de Pesquisas Espaciais (INPE)
6 The Australian National University
7 University of California
Endereço de e-Mail do Autor1
2
3
4
5 anobre27@gmail.com
RevistaTellus Series A: Dynamic Meteorology and Oceanography
Volume69
Páginas1272752
Histórico (UTC)2017-11-30 15:23:00 :: simone -> administrator :: 2017
2021-07-28 21:23:12 :: administrator -> simone :: 2017
3. Conteúdo e estrutura
É a matriz ou uma cópia?é a matriz
Estágio do Conteúdoconcluido
Transferível1
Tipo do ConteúdoExternal Contribution
Tipo de Versãopublisher
Palavras-Chavemeridional circulation cells
kinetic energy generation
surface temperature
surface pressure gradient
Carnot cycle
heat engine
heat pump
condensation
ResumoThe pattern and size of the Earths atmospheric circulation cells determine regional climates and challenge theorists. Here the authors present a theoretical framework that relates the size of meridional cells to the kinetic energy generation within them. Circulation cells are considered as heat engines (or heat pumps) driven by surface gradients of pressure and temperature. This approach allows an analytical assessment of kinetic energy generation in the meridional cells from the known values of surface pressure and temperature differences across the cell, and . Two major patterns emerge. First, the authors find that kinetic energy generation in the upper and lower atmosphere respond in contrasting ways to surface temperature: with growing , kinetic energy generation increases in the upper atmosphere but declines in the lower. A requirement that kinetic energy generation must be positive in the lower atmosphere can limit the poleward cell extension of the Hadley cells via a relationship between and . The limited extent of the Hadley cells necessitates the appearance of heat pumps (Ferrel cells) circulation cells with negative work output. These cells consume the positive work output of the Hadley cells (heat engines) and can in theory drive the global efficiency of an axisymmetric atmospheric circulation down to zero. Second, the authors show that, within a cell, kinetic energy generation is largely determined by in the upper atmosphere, and by in the lower. By absolute magnitude, the temperature contribution is about 10 times larger. However, since the heat pumps act as sinks of kinetic energy in the upper atmosphere, the net kinetic energy generation in the upper atmosphere, as well as the net impact of surface temperature, is reduced. The authors use NCAR/NCEP and MERRA data to verify the obtained theoretical relationships. These observations confirm considerable cancellation between the temperature-related sources and sinks of kinetic energy in the upper atmosphere. Both the theoretical approach and observations highlight a major contribution from surface pressure gradients, rather than temperature, in the kinetic energy budget of meridional circulation. The findings urge increased attention to surface pressure gradients as determinants of the meridional circulation patterns.
ÁreaCST
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4. Condições de acesso e uso
URL dos dadoshttp://mtc-m21b.sid.inpe.br/ibi/8JMKD3MGP3W34P/3Q58H9E
URL dos dados zipadoshttp://mtc-m21b.sid.inpe.br/zip/8JMKD3MGP3W34P/3Q58H9E
Idiomaen
Arquivo Alvomakarieva_kinetic.pdf
Grupo de Usuáriossimone
Grupo de Leitoresadministrator
simone
Visibilidadeshown
Política de Arquivamentoallowpublisher allowfinaldraft
Permissão de Leituraallow from all
Permissão de Atualizaçãonão transferida
5. Fontes relacionadas
Unidades Imediatamente Superiores8JMKD3MGPCW/3F3T29H
Lista de Itens Citandosid.inpe.br/bibdigital/2013/10.19.20.40 1
DivulgaçãoPORTALCAPES; SCOPUS.
Acervo Hospedeirosid.inpe.br/mtc-m21b/2013/09.26.14.25.20
6. Notas
Campos Vaziosalternatejournal archivist callnumber copyholder copyright creatorhistory descriptionlevel e-mailaddress format isbn label lineage mark mirrorrepository month nextedition notes number orcid parameterlist parentrepositories previousedition previouslowerunit progress project resumeid rightsholder schedulinginformation secondarydate secondarykey secondarymark session shorttitle sponsor subject tertiarymark tertiarytype url
7. Controle da descrição
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