Relevant bibliographies by topics / Air-Sea CO2 exchanges

Contents

  1. Journal articles
  2. Dissertations / Theses
  3. Book chapters
  4. Conference papers

Academic literature on the topic 'Air-Sea CO2 exchanges'

Author: Grafiati
Published: 25 May 2024
Last updated: 31 July 2025

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Journal articles on the topic "Air-Sea CO2 exchanges"

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Asselot, Rémy, Frank Lunkeit, Philip B. Holden, and Inga Hense. "Climate pathways behind phytoplankton-induced atmospheric warming." Biogeosciences 19, no. 1 (2022): 223–39. http://dx.doi.org/10.5194/bg-19-223-2022.

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Abstract. We investigate the ways in which marine biologically mediated heating increases the surface atmospheric temperature. While the effects of phytoplankton light absorption on the ocean have gained attention over the past years, the impact of this biogeophysical mechanism on the atmosphere is still unclear. Phytoplankton light absorption warms the surface of the ocean, which in turn affects the air–sea heat and CO2 exchanges. However, the contribution of air–sea heat versus CO2 fluxes in the phytoplankton-induced atmospheric warming has not been yet determined. Different so-called climat
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Yavo, Faty Patricia Raissa, Jacques André Tiemele, Kouakou Urbain Koffi, Eric Valère Djagoua, and Abe Delfin Ochou. "Influence of Climatic and Oceanographic Parameters on CO2 Exchanges at the Air-sea Interface in the Gulf of Guinea." International Journal of Environment and Climate Change 14, no. 11 (2024): 736–45. http://dx.doi.org/10.9734/ijecc/2024/v14i114583.

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Aims: Analyze the climatic and oceanographic parameters influencing oceanic CO2. Place and Duration of Study: Gulf of Guinea, 2010-2018 Methodology: Analysis of Monthly Satellite Data from the Gulf of Guinea on Sea Surface Temperature, Sea Surface Salinity, Sea Surface Chlorophyll, Sea Surface Partial Pressure of CO2, Sea Surface Wind Speed at 10 meters, Dry Air Molar Fraction (xCO2), and Sea Level Pressure. Numerical Data Processing on a One-Degree Spatial Resolution Grid Using Python 3.11 through Bilinear Interpolation. The data are then averaged monthly, allowing for an assessment of the in
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Stolle, Christian, Mariana Ribas-Ribas, Thomas H. Badewien, et al. "The MILAN Campaign: Studying Diel Light Effects on the Air–Sea Interface." Bulletin of the American Meteorological Society 101, no. 2 (2020): E146—E166. http://dx.doi.org/10.1175/bams-d-17-0329.1.

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Abstract The sea surface microlayer (SML) at the air–sea interface is <1 mm thick, but it is physically, chemically, and biologically distinct from the underlying water and the atmosphere above. Wind-driven turbulence and solar radiation are important drivers of SML physical and biogeochemical properties. Given that the SML is involved in all air–sea exchanges of mass and energy, its response to solar radiation, especially in relation to how it regulates the air–sea exchange of climate-relevant gases and aerosols, is surprisingly poorly characterized. MILAN (Sea Surface Microlayer at Ni
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Honkanen, Martti, Mika Aurela, Juha Hatakka, et al. "Interannual and seasonal variability of the air–sea CO2 exchange at Utö in the coastal region of the Baltic Sea." Biogeosciences 21, no. 19 (2024): 4341–59. http://dx.doi.org/10.5194/bg-21-4341-2024.

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Abstract. Oceans alleviate the accumulation of atmospheric CO2 by absorbing approximately a quarter of all anthropogenic emissions. In the deep oceans, carbon uptake is dominated by aquatic phase chemistry, whereas in biologically active coastal seas the marine ecosystem and biogeochemistry play an important role in the carbon uptake. Coastal seas are hotspots of organic and inorganic matter transport between the land and the oceans, and thus they are important for the marine carbon cycling. In this study, we investigate the net air–sea CO2 exchange at the Utö Atmospheric and Marine Research S
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Bates, N. R., and J. T. Mathis. "The Arctic Ocean marine carbon cycle: evaluation of air-sea CO<sub>2</sub> exchanges, ocean acidification impacts and potential feedbacks." Biogeosciences 6, no. 11 (2009): 2433–59. http://dx.doi.org/10.5194/bg-6-2433-2009.

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Abstract. At present, although seasonal sea-ice cover mitigates atmosphere-ocean gas exchange, the Arctic Ocean takes up carbon dioxide (CO2) on the order of −66 to −199 Tg C year−1 (1012 g C), contributing 5–14% to the global balance of CO2 sinks and sources. Because of this, the Arctic Ocean has an important influence on the global carbon cycle, with the marine carbon cycle and atmosphere-ocean CO2 exchanges sensitive to Arctic Ocean and global climate change feedbacks. In the near-term, further sea-ice loss and increases in phytoplankton growth rates are expected to increase the uptake of C
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Chen, C. T. A., T. H. Huang, Y. C. Chen, Y. Bai, X. He, and Y. Kang. "Air–sea exchanges of CO<sub>2</sub> in the world's coastal seas." Biogeosciences 10, no. 10 (2013): 6509–44. http://dx.doi.org/10.5194/bg-10-6509-2013.

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Abstract. The air–sea exchanges of CO2 in the world's 165 estuaries and 87 continental shelves are evaluated. Generally and in all seasons, upper estuaries with salinities of less than two are strong sources of CO2 (39 ± 56 mol C m−2 yr−1, positive flux indicates that the water is losing CO2 to the atmosphere); mid-estuaries with salinities of between 2 and 25 are moderate sources (17.5 ± 34 mol C m−2 yr−1) and lower estuaries with salinities of more than 25 are weak sources (8.4 ± 14 mol C m−2 yr−1). With respect to latitude, estuaries between 23.5 and 50° N have the largest flux per unit are
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Valsala, Vinu, and Raghu Murtugudde. "Mesoscale and intraseasonal air–sea CO2 exchanges in the western Arabian Sea during boreal summer." Deep Sea Research Part I: Oceanographic Research Papers 103 (September 2015): 101–13. http://dx.doi.org/10.1016/j.dsr.2015.06.001.

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Bates, N. R., and J. T. Mathis. "The Arctic Ocean marine carbon cycle: evaluation of air-sea CO<sub>2</sub> exchanges, ocean acidification impacts and potential feedbacks." Biogeosciences Discussions 6, no. 4 (2009): 6695–747. http://dx.doi.org/10.5194/bgd-6-6695-2009.

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Abstract. At present, although seasonal sea-ice cover mitigates atmosphere-ocean gas exchange, the Arctic Ocean takes up carbon dioxide (CO2) on the order of −65 to −175 Tg C year−1, contributing 5–14% to the global balance of CO2 sinks and sources. Because of this, the Arctic Ocean is an important influence on the global carbon cycle, with the marine carbon cycle and atmosphere-ocean CO2 exchanges sensitive to Arctic Ocean and global climate change feedbacks. In the near-term, further sea-ice loss and increases in phytoplankton growth rates are expected to increase the uptake of CO2 by Arctic
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Uglietti, C., M. Leuenberger, and D. Brunner. "Large-scale European source and flow patterns retrieved from back-trajectory interpretations of CO<sub>2</sub> at the high alpine research station Jungfraujoch." Atmospheric Chemistry and Physics Discussions 11, no. 1 (2011): 813–57. http://dx.doi.org/10.5194/acpd-11-813-2011.

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Abstract. The University of Bern monitors carbon dioxide (CO2) and oxygen (O2) at the High Altitude Research Station Jungfraujoch since the year 2000 by means of flasks sampling and since 2005 using a continuous in situ measurement system. This study investigates the transport of CO2 and O2 towards Jungfraujoch using backward trajectories to classify the air masses with respect to their CO2 and O2 signatures. By investigating trajectories associated with distinct CO2 concentrations it is possible to decipher different source and sink areas over Europe. The highest CO2 concentrations, for examp
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Uglietti, C., M. Leuenberger, and D. Brunner. "European source and sink areas of CO<sub>2</sub> retrieved from Lagrangian transport model interpretation of combined O<sub>2</sub> and CO<sub>2</sub> measurements at the high alpine research station Jungfraujoch." Atmospheric Chemistry and Physics 11, no. 15 (2011): 8017–36. http://dx.doi.org/10.5194/acp-11-8017-2011.

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Abstract. The University of Bern monitors carbon dioxide (CO2) and oxygen (O2) at the High Altitude Research Station Jungfraujoch since the year 2000 by means of flasks sampling and since 2005 using a continuous in situ measurement system. This study investigates the transport of CO2 and O2 towards Jungfraujoch using backward Lagrangian Particle Dispersion Model (LPDM) simulations and utilizes CO2 and O2 signatures to classify air masses. By investigating the simulated transport patterns associated with distinct CO2 concentrations it is possible to decipher different source and sink areas over
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Dissertations / Theses on the topic "Air-Sea CO2 exchanges"

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Wimart-Rousseau, Cathy. "Dynamiques saisonnière et pluriannuelle du système des carbonates dans les eaux de surface en mer Méditerranée." Electronic Thesis or Diss., Aix-Marseille, 2021. http://www.theses.fr/2021AIXM0503.

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La mer Méditerranée est souvent considérée comme un océan laboratoire pour comprendre les changements globaux liés à l’augmentation de CO2 atmosphérique. Ce travail, basé sur l’étude de données recueilles dans trois régions méditerranéennes, étudie les variations du CO2 océanique dans ce bassin. À l’échelle de la saison, outre les changements de température, le contenu en alcalinité influe sur le contenu en CO2 en Méditerranée orientale, tandis que les changements en carbone total sont responsables des variations dans le bassin occidental. En zone côtière urbanisée, l’émission de CO2 anthropiq
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Gac, Jean-Philippe. "Etude multi-échelles des échanges air-mer de CO2 et de l'acidification océanique en Manche Occidentale." Electronic Thesis or Diss., Sorbonne université, 2021. http://www.theses.fr/2021SORUS223.

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L’impact anthropique lié à l’augmentation du CO2 atmosphérique a été observé à l’échelle globale océanique, avec comme conséquence l’acidification des océans (AO). Comme l’océan ouvert, les écosystèmes côtiers sont soumis à l’AO. Ces écosystèmes ne représentent que 7% de la surface océanique mais ils sont responsables d’un tiers de la production primaire océanique mondiale, jouant ainsi un rôle clé dans le cycle du carbone global. Les environnements côtiers sont très hétérogènes et influencés par des apports continentaux, ce qui complexifie l’étude du cycle du CO2. Cette thèse étudie à différe
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Gutiérrez-Loza, Lucía. "Mechanisms controlling air-sea gas exchange in the Baltic Sea." Licentiate thesis, Uppsala universitet, Luft-, vatten- och landskapslära, 2020. http://urn.kb.se/resolve?urn=urn:nbn:se:uu:diva-409744.

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Carbon plays a major role in physical and biogeochemical processes in the atmosphere, the biosphere, and the ocean. CO2 and CH4 are two of the most common carbon-containing compounds in the atmosphere, also recognized as major greenhouse gases. The exchange of CO2 and CH4 between the ocean and the atmosphere is an essential part of the global carbon cycle. The exchange is controlled by the air–sea concentration gradient and by the efficiency of the transfer processes. The lack of knowledge about the forcing mechanisms affecting the exchange of these climate-relevant gases is a major source of u
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Andersson, Andreas. "Air-sea exchange of O2 and CO2 : Processes controlling the transfer efficiency." Doctoral thesis, Uppsala universitet, Luft-, vatten och landskapslära, 2017. http://urn.kb.se/resolve?urn=urn:nbn:se:uu:diva-314166.

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World oceans cover more than 70% of the earth surface and constitutes a major sink of atmospheric CO2. Two of the most important gases in the marine carbon cycling are O2 and CO2 and hence accurate descriptions of the air-sea gas exchange of these gases are crucial. Still there is a lack of knowledge of the relative importance of processes controlling the efficiency of the air-sea gas transfer. This is especially true for Arctic and high latitude seas were studies on air-sea gas exchange are few. By studying processes causing water-side turbulence, using gases of different solubility and vario
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Wittskog, Cristoffer. "Carbon dioxide in the atmosphere: A study of mean levels andair-sea fluxes over the Baltic Sea." Thesis, Uppsala universitet, Luft-, vatten och landskapslära, 2005. http://urn.kb.se/resolve?urn=urn:nbn:se:uu:diva-303863.

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The Carbon dioxide (CO2) concentration in the atmosphere has increased dramatically since the start of the industrialisation. The effects that the increase of CO2 has on the future climate are still not fully investigated. CO2 in the atmosphere contributes to the, for all life on earth, necessary greenhouse effect. It is confirmed that higher CO2 concentration in the atmosphere increases the green house effect, which results in higher temperature. The main source to the increase of CO2 is burning of fossil fuels. The change in land use is also a contribution to the increase of the CO2 concentr
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Fischer, Michael [Verfasser], Gerhard [Akademischer Betreuer] Dieckmann, Dieter [Akademischer Betreuer] Wolf-Gladrow, and Hajo [Akademischer Betreuer] Eicken. "Sea ice and the air-sea exchange of CO2 / Michael Fischer. Gutachter: Dieter Wolf-Gladrow ; Hajo Eicken. Betreuer: Gerhard Dieckmann." Bremen : Staats- und Universitätsbibliothek Bremen, 2013. http://d-nb.info/107204739X/34.

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Norman, Maria. "Air-Sea Fluxes of CO2 : Analysis Methods and Impact on Carbon Budget." Doctoral thesis, Uppsala universitet, Luft-, vatten och landskapslära, 2013. http://urn.kb.se/resolve?urn=urn:nbn:se:uu:diva-194960.

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Carbon dioxide (CO2) is an important greenhouse gas, and the atmospheric concentration of CO2 has increased by more than 100 ppm since prior to the industrial revolution.  The global oceans are considered an important sink of atmospheric CO2, since approximately one third of the anthropogenic emissions are absorbed by the oceans. To be able to model the global carbon cycle and the future climate, it is important to have knowledge of the processes controlling the air-sea exchange of CO2. In this thesis, measurements as well as a model is used in order to increase the knowledge of the exchange p
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Roobaert, Alizée. "Observation-based estimates of the global oceanic CO2 sink: Spatiotemporal analysis, quantification of uncertainties, processes description." Doctoral thesis, Universite Libre de Bruxelles, 2020. http://hdl.handle.net/2013/ULB-DIPOT:oai:dipot.ulb.ac.be:2013/307139.

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Since the beginning of the industrial revolution, a large amount of greenhouse gases such as carbon dioxide (CO2) have been emitted into the atmosphere due to human activities. One of the main consequences of these emissions is a rapid increase in atmospheric CO2 concentration and a profound modification of the Earth's climate system. The ocean plays an important role in the Earth radiative balance since it acts as an important CO2 sink for the atmosphere. By currently absorbing about 25 % of the CO2 emitted by humans it considerably slows down climate change. Understanding the present-day spa
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Beggs, Helen Mary. "Air-sea exchange of CO2 over the Antarctic seasonal ice zone." Thesis, 1995. https://eprints.utas.edu.au/18995/1/whole_BeggsHelenMary1997_thesis.pdf.

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The Antarctic Seasonal Ice Zone (ASIZ) is potentially a large contemporary sink for anthropogenic CO2 due to the formation of bottom water along the Antarctic coast. However, south of 55°S, the lack of measurements of the fugacity of CO2 in surface seawater (fCO2), or the concentration and ratio of stable carbon isotopes of atmospheric CO2, has meant that it has been difficult to determine whether the ASIZ acts as a net source or sink for atmospheric CO2. This study contributes to, and is largely based on, new measurement programmes of oceanic fCO 2 and the concentration and 13C/12C rat
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Burgers, Tonya. "Implications of a changing Arctic on summertime rates of air-sea CO2 exchange within the eastern Canadian Arctic." 2015. http://hdl.handle.net/1993/30980.

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The Arctic marine system is currently undergoing transition as a result of climate change. This study examines the effects of this transition on rates of air-sea CO2 exchange within the eastern Canadian Arctic. Continuous seawater pCO2 measurements revealed this area to be a strong summertime sink of atmospheric CO2. Total alkalinity and stable oxygen isotopes were utilized as freshwater tracers, revealing areas of significant sea ice melt and riverine inputs. Eastern Baffin Bay and Barrow Strait were found to be strongly influenced by sea ice melt, lowering seawater pCO2; whereas Kennedy Chan
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Book chapters on the topic "Air-Sea CO2 exchanges"

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Frankignoulle, M., and J. P. Gattuso. "Air-Sea CO2 Exchange in Coastal Ecosystems." In Interactions of C, N, P and S Biogeochemical Cycles and Global Change. Springer Berlin Heidelberg, 1993. http://dx.doi.org/10.1007/978-3-642-76064-8_9.

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Watson, Andrew J., Jane E. Robertson, and Roger D. Ling. "Air-Sea Exchange of CO2 and Its Relation to Primary Production." In Interactions of C, N, P and S Biogeochemical Cycles and Global Change. Springer Berlin Heidelberg, 1993. http://dx.doi.org/10.1007/978-3-642-76064-8_10.

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Duplessy, Jean-Claude. "C02 Air-Sea Exchange during Glacial Times: Importance of Deep Sea Circulation Changes." In The Role of Air-Sea Exchange in Geochemical Cycling. Springer Netherlands, 1986. http://dx.doi.org/10.1007/978-94-009-4738-2_10.

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Endo, T., J. Shimano, N. Harada, D. Sakai, and R. Fujiwara. "Air-Sea Co2 Exchange and Dissolved Inorganic Carbon Distribution in an Inner Part of Osaka Bay, Japan." In APAC 2019. Springer Singapore, 2019. http://dx.doi.org/10.1007/978-981-15-0291-0_147.

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Akhand, Anirban, Sudip Manna, Partho Pratim Mondal, et al. "Estimation of Air-Sea CO2 Exchange and Decadal Change of Surface Water fCO2 in a Shallow Continental Shelf Using in Situ and Remote Sensing Data During Winter." In Environment and Earth Observation. Springer International Publishing, 2016. http://dx.doi.org/10.1007/978-3-319-46010-9_9.

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Fung, Inez, and Taro Takahashi. "Estimating Air–Sea Exchanges of CO2 from pCO2 Gradients: Assessment of Uncertainties." In The Carbon Cycle. Cambridge University Press, 2000. http://dx.doi.org/10.1017/cbo9780511573095.011.

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Conference papers on the topic "Air-Sea CO2 exchanges"

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Utamura, Motoaki. "Thermodynamic Analysis of Part-Flow Cycle Supercritical CO2 Gas Turbines." In ASME Turbo Expo 2008: Power for Land, Sea, and Air. ASMEDC, 2008. http://dx.doi.org/10.1115/gt2008-50151.

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Cycle characteristics of closed gas turbines using super critical carbon dioxide as a working fluid are investigated. It is found an anomalous behavior of physical properties of CO2 at pseudo-critical point may limit heat exchange rate of a regenerative heat exchanger due to the presence of pinch point inside the regenerative heat exchanger. Taking such pinch problem into consideration, the cycle efficiency of Brayton cycle is assessed. Its value is found limited to 39% degraded by 8% compared with the case without the pinch present inside. As an alternative a part flow cycle is investigated a
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Dostal, Vaclav, Michael J. Driscoll, Pavel Hejzlar, and Yong Wang. "Supercritical CO2 Cycle for Fast Gas-Cooled Reactors." In ASME Turbo Expo 2004: Power for Land, Sea, and Air. ASMEDC, 2004. http://dx.doi.org/10.1115/gt2004-54242.

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Brayton cycles are currently being extensively investigated for possible use with nuclear reactors in order to reduce capital cost, shorten construction period and increase nuclear power plant efficiency. The main candidates are the well-known helium Brayton cycle and the less familiar supercritical CO2 cycle, which has been given increased attention in the past several years. The main advantage of the supercritical CO2 cycle is comparable efficiency with the helium Brayton cycle at significantly lower temperature (550°C/823K), but higher pressure (20MPa/200 normal atmospheres). By taking adva
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Huang, He, and Louis J. Spadaccini. "Coke Removal in Fuel-Cooled Thermal Management Systems." In ASME Turbo Expo 2001: Power for Land, Sea, and Air. American Society of Mechanical Engineers, 2001. http://dx.doi.org/10.1115/2001-gt-0073.

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The extent to which the benefits of hydrocarbon fuel cooling technology can be realized depends on our ability to manage coke deposits. The coke deposits, which may form in heat exchangers, reactors and on inside surfaces of fuel system components, degrade heat transfer, catalyst activity, and fuel flow characteristics and can lead to system failure. Therefore, in situ regeneration of fouled surfaces was investigated as a practical approach for reducing the impact of coke formation on aircraft thermal management systems. Thermogravimetric analysis (TGA) was used to evaluate various surface reg
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Milewski, Jarosław, Jacek Sałacin´ski, and Andrzej Miller. "The Reduction of CO2 Emission of Gas Turbine Power Plant by Using a Molten Carbonate Fuel Cell." In ASME Turbo Expo 2007: Power for Land, Sea, and Air. ASMEDC, 2007. http://dx.doi.org/10.1115/gt2007-27030.

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The possibility of using a Molten Carbonate Fuel Cell (MCFC) to reduce the CO2 emission from Gas Turbine Power Plant (GTPP) is shown. The MCFC is placed after a gas turbine. The main advantages of this solution are: higher total electric power generated by hybrid system and reduced CO2 emission with remained system efficiency. A comparison of three systems: standard GTPP, GT-MCFC, and GT-MCFC with additional heat exchangers is shown. The application of MCFC could reduce CO2 emission of 73% (absolutely) and 77% relative to produced power.
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Moritsuka, Hideto. "CO2 Capture Using a Hydrogen Decomposed From Natural Gas Turbine." In ASME Turbo Expo 2001: Power for Land, Sea, and Air. American Society of Mechanical Engineers, 2001. http://dx.doi.org/10.1115/2001-gt-0093.

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The present writer proposes a new concept of power generation system for CO2 recovery named Hydrogen Decomposed from Natural Gas Turbine (HYDET) in this paper. This concept is natural gas reforming and hydrogen separation. The natural gas is reformed with steam simultaneously the hydrogen is separated from the reformed gas through the hydrogen separation membrane. After the residual gas is combusted by the after burner with pure oxygen, CO2 steam mixture is exhausted. An inorganic hydrogen separation membrane will be assumed to use such as ceramic multi-layer porous membranes. The performance
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Nord, Lars O., and Olav Bolland. "HRSG Design for Integrated Reforming Combined Cycle With CO2 Capture." In ASME Turbo Expo 2010: Power for Land, Sea, and Air. ASMEDC, 2010. http://dx.doi.org/10.1115/gt2010-22389.

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This article illustrates aspects of heat recovery steam generator (HRSG) design when employing process integration in an integrated reforming combined cycle (IRCC) with pre-combustion CO2 capture. Specifically, the contribution of the paper is to show how heat integration in a pre-combustion CO2 capture plant impacts the selection of HRSG design. The purpose of such a plant is to generate power with very low CO2 emissions, typically below 100 g CO2/net kWh electricity. This should be compared to a state-of-the-art natural gas combined cycle (NGCC) plant with CO2 emissions around 380 g CO2/net
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Sipo¨cz, Nikolett, Klas Jonshagen, Mohsen Assadi, and Magnus Genrup. "Novel High-Perfoming Single-Pressure Combined Cycle With CO2 Capture." In ASME Turbo Expo 2010: Power for Land, Sea, and Air. ASMEDC, 2010. http://dx.doi.org/10.1115/gt2010-23259.

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The European electric power industry has undergone considerable changes over the past two decades as a result of more stringent laws concerning environmental protection along with the deregulation and liberalization of the electric power market. However, the pressure to deliver solutions in regard to the issue of climate change has increased dramatically in the last few years and given the rise to the possibility that future natural gas-fired combined cycle (NGCC) plants will also be subject to CO2 capture requirements. At the same time, the interest in combined cycles with their high efficien
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Corradetti, Alessandro, and Umberto Desideri. "Analysis of Gas-Steam Combined Cycles With Natural Gas Reforming and CO2 Capture." In ASME Turbo Expo 2004: Power for Land, Sea, and Air. ASMEDC, 2004. http://dx.doi.org/10.1115/gt2004-54091.

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In the last years greenhouse gas emissions, and in particular carbon dioxide emissions, have become a major concern in the power generation industry and a large amount of research work has been dedicated to this subject. Among the possible technologies to reduce CO2 emissions from power plants, the pre-treatment of the fossil fuels to separate carbon from hydrogen before the combustion process is one of the least energy consuming way to facilitate CO2 capture and removal from the power plant. In this paper several power plant schemes with reduced CO2 emissions were simulated. All the configura
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Giglmayr, I., J. Paul, and W. Sanz. "Heat Recovery Steam Generator Design for a Graz Cycle Prototype Power Plant for CO2 Capture." In ASME Turbo Expo 2004: Power for Land, Sea, and Air. ASMEDC, 2004. http://dx.doi.org/10.1115/gt2004-53725.

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The introduction of closed cycle gas turbines with their capability of retaining combustion generated CO2 can offer a valuable contribution to the Kyoto goal and to future power generation. Therefore, research and development at Graz University of Technology has lead to the GRAZ CYCLE, a zero emission power cycle of highest efficiency. The GRAZ CYCLE is still on a theoretical level, first tests with the turbo-machinery equipment were performed. In the GRAZ CYCLE fossil fuels are burned with pure oxygen which enables a cost-effective separation of the combustion generated CO2 by condensation. C
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Kyprianidis, Konstantinos G., Tomas Gro¨nstedt, S. O. T. Ogaji, P. Pilidis, and R. Singh. "Assessment of Future Aero Engine Designs With Intercooled and Intercooled Recuperated Cores." In ASME Turbo Expo 2010: Power for Land, Sea, and Air. ASMEDC, 2010. http://dx.doi.org/10.1115/gt2010-23621.

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Reduction of CO2 emissions is strongly linked with the improvement of engine specific fuel consumption, as well as the reduction of engine nacelle drag and weight. Conventional turbofan designs however that reduce CO2 emissions — such as increased OPR designs — can increase the production of NOx emissions. In the present work, funded by the European Framework 6 collaborative project NEWAC, an aero engine multidisciplinary design tool, TERA2020, has been utilised to study the potential benefits from introducing heat-exchanged cores in future turbofan engine designs. The tool comprises of variou
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