Academic literature on the topic 'Gravity change'

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Journal articles on the topic "Gravity change"

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Dray, Tevian, George Ellis, Charles Hellaby, and Corinne A. Manogue. "Gravity and Signature Change." General Relativity and Gravitation 29, no. 5 (1997): 591–97. http://dx.doi.org/10.1023/a:1018895302693.

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Wang, Xinghong. "Does gravitational time dilation influence the propagation of the change of gravitational field?" Theoretical and Natural Science 12, no. 1 (2023): 185–92. http://dx.doi.org/10.54254/2753-8818/12/20230465.

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This article uses thought experiments and strict logical deductions to discuss the propagation the change of gravity field and find that all current gravity fields are generated some time before and they are not static but are constantly propagating. If there is a change of the gravity field of a celestial body, it takes time for this change to propagate before interacting with this another celestial body. However, for a binary black hole system, the positions of the two black holes constantly changes relative to each other, resulting in changes of the gravity fields of both black holes, and,
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Wang, Yaxiang, Ziyi Cao, Zhaojun Pang, et al. "Influence of Three Gorges Dam on earthquakes based on GRACE gravity field." Open Geosciences 14, no. 1 (2022): 453–61. http://dx.doi.org/10.1515/geo-2022-0350.

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Abstract After the completion of the Three Gorges Dam, it increases the risk of inducing an earthquake. We use the GRACE Gravity Field Model to analyze the relationship between the operation of the Three Gorges Reservoir and the change of gravity field in western Sichuan. The research results indicate that the reservoir water level and the western Sichuan gravitational field are positively correlated. In the early stage of rising water level, the change of gravity field is not apparent, and the change of gravity field gradually increases with time. Therefore, the change of reservoir water leve
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De Paepe, Karl. "Gravity and energy change paradox." Physics Essays 29, no. 3 (2016): 343. http://dx.doi.org/10.4006/0836-1398-29.3.343.

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Chan, Wilson. "Changes in Gravity Value and Anti-Gravity Application." British Journal of Physics Studies 1, no. 1 (2022): 20–26. http://dx.doi.org/10.32996/bjps.2022.1.1.4.

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Gravity is a phenomenon that has been part of the universe since its creation. This phenomenon is when an object pulls everything around it toward the center of the object. Gravity itself was discovered by Sir Isaac Newton in the 17th century. Humans think that there is no such thing as anti-gravity. This research aims to prove that the value of a planet's gravity can change under certain conditions. In addition, this research also aims to prove that humans can create something that causes all objects in a particular area to have a value close to anti-gravity. In short, 3 influences can change
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Moore, Philip, and Matt A. King. "Satellite gravity gradiometry: Secular gravity field change over polar regions." Journal of Geodynamics 49, no. 5 (2010): 247–53. http://dx.doi.org/10.1016/j.jog.2010.01.007.

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Breili, Kristian, and Cecilie Rolstad. "Ground-based gravimetry for measuring small spatial-scale mass changes on glaciers." Annals of Glaciology 50, no. 50 (2009): 141–47. http://dx.doi.org/10.3189/172756409787769717.

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AbstractGravity change on a glacier surface is a composite of several effects (e.g. melting and accumulation of snow and ice, redistribution of mass with depth by refreezing of meltwater and height and thickness changes of the snow and ice layers). Models and equations necessary to estimate the measured gravity change due to different effects are presented, and the propagation of observational errors is evaluated. The paper presents experiences with ground-based gravity measurements carried out on Hardangerjøkulen, Norway, in spring and autumn 2007. It was found that the vertical gradient of g
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Allis, Richard G., and Trevor M. Hunt. "Analysis of exploitation‐induced gravity changes at Wairakei Geothermal Field." GEOPHYSICS 51, no. 8 (1986): 1647–60. http://dx.doi.org/10.1190/1.1442214.

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Gravity changes (corrected for subsidence) of up to -1 000 (±300) μGal have occurred in the [Formula: see text] area of the production bore field at Wairakei, and smaller decreases extend over a [Formula: see text] surrounding area. The largest part of these decreases occurred during the 1960s; since then the net gravity change for the whole field has been zero, indicating mass flow equilibrium. The principal causes of gravity change have been deep liquid pressure drawdown which resulted in formation of a steam zone, subsequent saturation changes in the steam zone, liquid temperature decline,
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Tokuda, Makoto, Khandaker Jahirul Isram, Yudai Ogata, et al. "Strong-Gravity Experiments on Perovskite-Type Oxides." Advances in Science and Technology 88 (October 2014): 70–73. http://dx.doi.org/10.4028/www.scientific.net/ast.88.70.

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Strong gravitational field causes the displacement or/and sedimentation of atoms in solids, by which we can changes the crystalline state or/and composition in multicomponent condensed matter. Perovskite-type doped manganite, La1-xSrxMnO3(LSMO) has unique magnetoresistance effect which is called “colossal magnetoresistance (CMR)”. In this study, the strong gravity experiment (0.40x106G, 400°C, 20h) was performed on the LSMO oriented crystal to examine the change in composition or structure. The LSMO crystal whose growing crystal direction is normal to (214) plane was prepared by the floating z
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Qu, Wei, Yaxi Han, Zhong Lu, Dongdong An, Qin Zhang, and Yuan Gao. "Co-Seismic and Post-Seismic Temporal and Spatial Gravity Changes of the 2010 Mw 8.8 Maule Chile Earthquake Observed by GRACE and GRACE Follow-on." Remote Sensing 12, no. 17 (2020): 2768. http://dx.doi.org/10.3390/rs12172768.

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The Gravity Recovery and Climate Experiment (GRACE) and GRACE Follow-on (GRACE-FO) satellites are important for studying regional gravitational field changes caused by strong earthquakes. In this study, we chose Chile, one of Earth’s most active seismic zones to explore the co-seismic and post-seismic gravitational field changes of the 2010 Mw 8.8 Maule earthquake based on longer-term GRACE and the newest GRACE-FO data. We calculated the first-order co-seismic gravity gradient changes (GGCs) and probed the geodynamic characteristics of the earthquake. The earthquake caused significant positive
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Dissertations / Theses on the topic "Gravity change"

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Garcia, Raquel Soledad. "Topology change in quantum gravity." Thesis, Imperial College London, 1999. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.322405.

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Joodaki, Gholamreza. "Earth Mass Change Tracking Using GRACE Satellite Gravity Data." Doctoral thesis, Norges teknisk-naturvitenskapelige universitet, Institutt for bygg, anlegg og transport, 2014. http://urn.kb.se/resolve?urn=urn:nbn:no:ntnu:diva-23969.

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This project is dealing with the estimation of present-day Earth’s mass transport and its redistribution by using observations from Gravity Recovery and Climate Experiment (GRACE) satellite mission. GRACE measures the gravity fluctuations which are primarily related to redistribution of water around the globe. GRACE data has yield profound new insights into melting rates of ice sheets and mountain glaciers, land hydrology, ocean circulation, and sea level rise. In this project, first, the ice melting rate in the Greenlandic ice sheet is studied. This is done by analyzing the time series of mon
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Rickles, Dean Peter. "Spacetime, change and identity : classical and quantum gravity in philosophical focus." Thesis, University of Leeds, 2004. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.414877.

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Diana, Antoine. "Liquid-vapour phase change : nucleate boiling of pure fluid and nanofluid under different gravity levels." Thesis, Queensland University of Technology, 2014. https://eprints.qut.edu.au/65842/1/Antoine_Diana_Thesis.pdf.

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This research was a step towards the comprehension of the nano-particles interaction with bubbles created during boiling. It was aimed at solving the controversies of whether the heat transfer is enhanced or deteriorated during the boiling of the nanofluid. Experiments were conducted in normal gravity and reduced gravity environments on-board the European Space Agency Parabolic Flight Program. The local modification of the thermo-physical properties of the fluid and moreover the modification experienced in the liquid microlayer under the growing vapour bubble were the dominant factors in expla
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Morrow, Eric. "Estimates of Land Ice Changes from Sea Level and Gravity Observations." Thesis, Harvard University, 2014. http://dissertations.umi.com/gsas.harvard:11385.

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Understanding how global ice volume on the Earth has changed is of significant importance to improving our understanding of the climate system. Fortunately, the geographically unique perturbations in sea level that result from rapid changes in the mass of, otherwise difficult to measure, land-ice reservoirs can be used to infer the sources and magnitude of melt water. We explore the history of land-ice mass changes through the effect that these mass fluxes have had on both global and regional gravity and sea-level fields.<br>Earth and Planetary Sciences
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Wang, Lei. "Coseismic Deformation Detection and Quantification for Great Earthquakes Using Spaceborne Gravimetry." The Ohio State University, 2012. http://rave.ohiolink.edu/etdc/view?acc_num=osu1331098701.

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Chen, Yiqun. "Recovery of terrestrial water storage change from low-low satellite-to-satellite tracking." Columbus, Ohio : Ohio State University, 2007. http://rave.ohiolink.edu/etdc/view?acc%5Fnum=osu1196098152.

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Dosso, Nouho David. "Financial development and climate change challenges with focus on resource-rich countries." Electronic Thesis or Diss., Paris 13, 2024. http://www.theses.fr/2024PA131044.

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Cette thèse explore, d'une part, l'interaction entre le développement financier et la gestion des ressources naturelles, et d'autre part, les défis liés à la vulnérabilité climatique et à la finance climatique, avec un accent particulier sur les pays riches en ressources naturelles. Elle se structure en trois chapitres distincts. Le premier chapitre examine la relation complexe entre l'abondance en ressources naturelles et le développement financier, en mettant l'accent sur la manière dont la qualité des institutions peut atténuer l'impact négatif de l'abondance en ressources naturelles sur le
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Wilkman, Mats. "Determinants of Swedish Pharmaceutical Exports." Thesis, Internationella Handelshögskolan, Högskolan i Jönköping, IHH, Nationalekonomi, 2012. http://urn.kb.se/resolve?urn=urn:nbn:se:hj:diva-19325.

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In this thesis factors that explain Swedish pharmaceutical export as been analyzed. The period investigated is from 1995 to 2010. The investigation is concluded through the use of a gravity model. It investigates not only the GDP and distance variable but also the effects of GDP/capita, exchange rates and the effect of being a part of the internal market of EU. The effects of having access to the ocean and if the country has English as its official language is investigated as well as the effect of sharing the same religion. The results show that only a smaller subset of countries make up for m
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Yang, Qian. "Applications of Satellite Geodesy in Environmental and Climate Change." Scholar Commons, 2016. http://scholarcommons.usf.edu/etd/6440.

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Satellite geodesy plays an important role in earth observation. This dissertation presents three applications of satellite geodesy in environmental and climate change. Three satellite geodesy techniques are used: high-precision Global Positioning System (GPS), the Gravity Recovery and Climate Experiment (GRACE) and Interferometric Synthetic Aperture Radar (InSAR). In the first study, I use coastal uplift observed by GPS to study the annual changes in mass loss of the Greenland ice sheet. The data show both spatial and temporal variations of coastal ice mass loss and suggest that a combination
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Books on the topic "Gravity change"

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Higgins, George V. A change in gravity. Henry Holt, 1997.

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Higgins, George V. A change of gravity. Henry Holt, 1997.

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Wolf, Detlef, and José Fernández, eds. Deformation and Gravity Change: Indicators of Isostasy, Tectonics, Volcanism, and Climate Change. Birkhäuser Basel, 2007. http://dx.doi.org/10.1007/978-3-7643-8417-3.

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Detlef, Wolf, and Fernandez José, eds. Deformation and gravity change: Indicators of isostasy, tectonics, volcanism, and climate change. Birkhäuser, 2007.

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Wolf, Detlef, Pablo J. González, and José Fernández. Deformation and Gravity Change: Indicators of Isostasy, Tectonics, Volcanism, and Climate Change, Vol. II. Birkhäuser Basel, 2009. http://dx.doi.org/10.1007/978-3-0346-0149-8.

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Scott, Williamson Gary, and United States. National Aeronautics and Space Administration., eds. Experimental results of Hooper's gravity-electromagnetic coupling concept. National Aeronautics and Space Administration, 1995.

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Brown, Rebel. Defy Gravity: Propel Your Business to High-Velocity Growth. Greenleaf Book Group Press, 2010.

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Pool, D. R. Measurement of ground-water storage change and specific yield using the temporal-gravity method near Rillito Creek, Tucson, Arizona. U.S. Dept. of the Interior, U.S. Geological Survey, 1997.

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Pool, D. R. Measurement of ground-water storage change and specific yield using the temporal-gravity method near Rillito Creek, Tucson, Arizona. U.S. Dept. of the Interior, U.S. Geological Survey, 1997.

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Pool, D. R. Measurement of ground-water storage change and specific yield using the temporal-gravity method near Rillito Creek, Tucson, Arizona. U.S. Dept. of the Interior, U.S. Geological Survey, 1997.

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Book chapters on the topic "Gravity change"

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Phillips, Robert W. "Change and Prosper." In Grappling with Gravity. Springer New York, 2011. http://dx.doi.org/10.1007/978-1-4419-6899-9_4.

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Milsom, John. "Change of a Change." In The Hunt for Earth Gravity. Springer International Publishing, 2018. http://dx.doi.org/10.1007/978-3-319-74959-4_8.

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Cherjovsky, Natalia. "Defying Gravity." In Glee and New Directions for Social Change. SensePublishers, 2015. http://dx.doi.org/10.1007/978-94-6209-905-0_15.

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Doi, K., K. Shibuya, Y. Aoyama, H. Ikeda, and Y. Fukuda. "Observed Gravity Change at Syowa Station Induced by Antarctic Ice Sheet Mass Change." In Gravity, Geoid and Earth Observation. Springer Berlin Heidelberg, 2010. http://dx.doi.org/10.1007/978-3-642-10634-7_74.

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Majumdar, T. J. "Satellite Geoid/Gravity for Offshore Exploration." In Geospatial Technologies and Climate Change. Springer International Publishing, 2013. http://dx.doi.org/10.1007/978-3-319-01689-4_12.

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Gunter, B. C., R. E. M. Riva, T. Urban, et al. "Evaluation of GRACE and ICESat Mass Change Estimates Over Antarctica." In Gravity, Geoid and Earth Observation. Springer Berlin Heidelberg, 2010. http://dx.doi.org/10.1007/978-3-642-10634-7_75.

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Devaraju, B., N. Sneeuw, H. Kindt, and J. Riegger. "Estimating GRACE Monthly Water Storage Change Consistent with Hydrology by Assimilating Hydrological Information." In Gravity, Geoid and Earth Observation. Springer Berlin Heidelberg, 2010. http://dx.doi.org/10.1007/978-3-642-10634-7_80.

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Jacoby, Wolfgang R., Oliver Hartmann, Herbert Wallner, et al. "Temporal Gravity Variations near Shrinking Vatnajökull Ice Cap, Iceland." In Deformation and Gravity Change: Indicators of Isostasy, Tectonics, Volcanism, and Climate Change, Vol. II. Birkhäuser Basel, 2009. http://dx.doi.org/10.1007/978-3-0346-0149-8_7.

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Poliakovsky, Arkady. "Transformations of Scalars and Vectors Under the Change of Cartesian Coordinate Systems." In The Laws of Gravity and Electromagnetism. Springer Nature Switzerland, 2024. http://dx.doi.org/10.1007/978-3-031-61407-1_3.

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Berry, P. A. M., and J. Benveniste. "Measurement of Inland Surface Water from Multi-mission Satellite Radar Altimetry: Sustained Global Monitoring for Climate Change." In Gravity, Geoid and Earth Observation. Springer Berlin Heidelberg, 2010. http://dx.doi.org/10.1007/978-3-642-10634-7_29.

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Conference papers on the topic "Gravity change"

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Guo, Cheng. "Study on the change of terrestrial water storage in the Yangtze River basin based on the fusion of gravity satellite and terrestrial water data." In 2025 6th International Conference on Geology, Mapping and Remote Sensing (ICGMRS). IEEE, 2025. https://doi.org/10.1109/icgmrs66001.2025.11065486.

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Pronab karmakar and Greeninavin. "Space travel and gravity." In 2010 Recent Advances in Space Technology Services and Climate Change (RSTSCC). IEEE, 2010. http://dx.doi.org/10.1109/rstscc.2010.5712815.

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Yan, Zu, Fan Yang, Jie Ma, and Jinwen Tian. "Underwater Obstacle Detection Based on the Change of Gravity Gradient." In 2012 2nd International Conference on Remote Sensing, Environment and Transportation Engineering (RSETE). IEEE, 2012. http://dx.doi.org/10.1109/rsete.2012.6260800.

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Singh, Shobhana, Keyur Kansara, Navin K. Dwivedi, and Maxim L. Khodachenko. "Accessing the Melting Dynamics of Phase Change Material Under Reduced Gravity Conditions." In ASME 2024 Fluids Engineering Division Summer Meeting collocated with the ASME 2024 Heat Transfer Summer Conference and the ASME 2024 18th International Conference on Energy Sustainability. American Society of Mechanical Engineers, 2024. http://dx.doi.org/10.1115/fedsm2024-131346.

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Abstract Phase Change Materials (PCMs) are widely used materials in thermal management applications. The passive working, good thermal stability and inherent thermophysical properties make PCM a natural fit for thermal control devices. However, their performance in real working conditions is often different from the behavior measured at lab scale owing to the effects occurring from varied heat sources, length scale, gravity forces, enthalpy and supercooling effects, etc. In this study, a two-dimensional computational fluid dynamic (CFD) model of a PCM-filled square enclosure with constant temp
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Abe, Yoshiyuki. "Heat Management With Phase Change of Self-Rewetting Fluids." In ASME 2005 International Mechanical Engineering Congress and Exposition. ASMEDC, 2005. http://dx.doi.org/10.1115/imece2005-79174.

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The present paper mainly describes the latest progress in the thermal management devices with using “self-rewetting fluids” as a working fluid. The self-rewetting fluids are those dilute aqueous solutions of high carbon alcohols, which show a particular surface tension behavior—an increase in the surface tension with increasing temperature. In the case of phase change of these particular solutions, the Marangoni effects caused by both temperature gradient and concentration gradient along vapor/liquid interface are expected to induce a strong liquid inflow to local hot or dry spot at heater wal
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Asako, Y., and M. Faghri. "Effect of Density Change on Melting of Unfixed Rectangular Phase-Change Material Under Low-Gravity Environment." In ASME 1998 International Mechanical Engineering Congress and Exposition. American Society of Mechanical Engineers, 1998. http://dx.doi.org/10.1115/imece1998-0637.

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Abstract An enthalpy method is employed to solve transport processes associated with the effect of density change on melting of unfixed rectangular phase change material (PCM) under low-gravity environment. This method permits the phase-change problems to be solved within fixed numerical grids, hence eliminating the need for coordinate transformation. The PCM, initially and its melting temperature, is placed inside a rectangular enclosure. The lower surface of the enclosure is then exposed to a uniform temperature higher than the PCM melting temperature. The difference in densities of solid an
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Tsilioukas, Stelios, and Emmanuel Saridakis. "Dark Energy from topology change at the foam level." In Corfu Summer Institute 2023 "School and Workshops on Elementary Particle Physics and Gravity". Sissa Medialab, 2024. http://dx.doi.org/10.22323/1.463.0182.

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Miao, Yang, Shaoping Wang, and Yongping Zhao. "Study on change of aircraft center of gravity during fuel consumption." In 2012 10th IEEE International Conference on Industrial Informatics (INDIN). IEEE, 2012. http://dx.doi.org/10.1109/indin.2012.6301236.

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Veilleux, Douglas L., Eduardo Gonc¸alves, Mohammad Faghri, Yutaka Asako, and M. Charmchi. "Phase Change in a Three-Dimensional Rectangular Cavity Under Electromagnetically Simulated Low Gravity: Side Wall Heating." In ASME 2004 Heat Transfer/Fluids Engineering Summer Conference. ASMEDC, 2004. http://dx.doi.org/10.1115/ht-fed2004-56045.

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In this paper, a low gravity environment has been simulated numerically, via an electromagnetic field, by studying the transport phenomena associated with the melting of an electrically conducting phase change material (gallium) inside a three-dimensional enclosure. Both transverse electric and magnetic fields are used to generate a Lorentz force, which is used to counteract the effects of gravity and thus simulate low gravity. The problem is formulated as one-domain by employing an enthalpy-based transformation of the energy equation. The governing equations are then discretized using a contr
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Lee, Suvit, Dazhong Yuan, and Bangxian Wu. "Experimental Study on Counter-Gravity Effect of Non-Phase Change Heat Pipes." In 2010 14th International Heat Transfer Conference. ASMEDC, 2010. http://dx.doi.org/10.1115/ihtc14-22555.

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An innovative concept of Non-Phase Change Heat Pipe (NPC-HP) was recently proposed by the present authors. Different shapes of NPC-HP with different structures have been successfully developed in our laboratory. The heat transfer in NPC-HP is not dependent on phase change, but on pressure response to temperature change. With the external heat source as the driving force, the remarkable pressure rise of the working medium inside NPC-HP resulting from the heat input precedes the rise of the saturated vapor pressure, thus effectively restrains the phase change in the loop pipe and finally results
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Reports on the topic "Gravity change"

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Massotti, Luca, Günther March, and Ilias Daras. Next Generation Gravity Mission as a Mass-change And Geosciences International Constellation (MAGIC) Mission Requirements Document. Edited by Roger Haagmans and Lucia Tsaoussi. European Space Agency, 2020. http://dx.doi.org/10.5270/esa.nasa.magic-mrd.2020.

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MAGIC is the joint NASA/ESA constellation concept based on NASA’s Mass Change Designated Observable (MCDO) and ESA’s Next Generation Gravity Missions (NGGM) studies. The main objective of MAGIC is to extend the mass transport time series of previous gravity missions such as GRACE and GRACE-FO with significantly enhanced accuracy, spatial and temporal resolutions and to demonstrate the operational capabilities of MAGIC with the goal of answering global user community needs to the greatest possible extent. This document defines unambiguous and traceable requirements for preparing and developing
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Lambert, A., J. O. Liard, and A. Mainville. Vertical movement and gravity change near the La Grande-2 Reservoir, Quebec. Natural Resources Canada/ESS/Scientific and Technical Publishing Services, 1986. http://dx.doi.org/10.4095/8934.

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Daras, Ilias, Gûnther March, Joint Mass Chnge Mission Expert Group, et al. Next Generation Gravity Mission (NGGM) Mission Requirements Document. ESA, 2023. http://dx.doi.org/10.5270/esa.nggm-mrd.2023-09-v1.0.

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The Next Generation Gravity Mission (NGGM) is a Mission of Opportunity as part of ESA’s FutureEO programme. NGGM will extend and improve time series of satellite gravity missions by providing enhanced spatial and temporal resolution time-varying gravity field measurements with improved performance and and latency. The mission addresses international user needs as expressed by IUGG and GCOS and demonstrates operational capabilities relevant for Copernicus. The NGGM Mission Requirement Document (MRD) defines unambiguous requirements for NGGM, traceable to the joint ESA/NASA MAss Change and Geosc
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Russell, H. A. J., and S. K. Frey. Canada One Water: integrated groundwater-surface-water-climate modelling for climate change adaptation. Natural Resources Canada/CMSS/Information Management, 2021. http://dx.doi.org/10.4095/329092.

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Canada 1 Water is a 3-year governmental multi-department-private-sector-academic collaboration to model the groundwater-surface-water of Canada coupled with historic climate and climate scenario input. To address this challenge continental Canada has been allocated to one of 6 large watershed basins of approximately two million km2. The model domains are based on natural watershed boundaries and include approximately 1 million km2 of the United States. In year one (2020-2021) data assembly and validation of some 20 datasets (layers) is the focus of work along with conceptual model development.
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Volpe Martincus, Christian, Monika Sztajerowska, and Mariana Belén Santi. Consumers and Firms in International Trade. Inter-American Development Bank, 2024. http://dx.doi.org/10.18235/0012977.

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Modern theoretical and empirical analyses in international trade typically focus on firms as the sole trading actors. This is consistent with the fact that firms have traditionally accounted for the vast majority of trade and, hence, examining their behavior allows for fully characterizing trade margins and assessing their determinants. Emerging and rapidly growing trade modalities such as cross-border e-commerce have started to change this by making it easier for individuals to directly engage in international sales and purchases. However, to what extent and how consumers directly participate
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Schmidt, Mark. Dynamics and variability of POC burial in depocenters of the North Sea (Skagerrak), Cruise No. AL561, 2.08.2021 – 13.08.2021, Kiel – Kiel, APOC. GEOMAR Helmholtz Centre for Ocean Research Kiel, 2021. http://dx.doi.org/10.3289/cr_al561.

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The AL561 cruise was conducted in the framework of the project APOC (“Anthropogenic impacts on Particulate Organic Carbon cycling in the North Sea”). This collaborative project between GEOMAR, AWI, HEREON, UHH, and BUND is to understand how particulate organic carbon (POC) cycling contributes to carbon sequestration in the North Sea and how this ecosystem service is compromised and interlinked with global change and a range of human pressures include fisheries (pelagic fisheries, bottom trawling), resource extraction (sand mining), sediment management (dredging and disposal of dredged sediment
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Foh, Stephen, N. Poonawala, and J. Pritchett. PR-4-172-R01 Modeling of Mixing in Porous Media. Pipeline Research Council International, Inc. (PRCI), 1985. http://dx.doi.org/10.55274/r0011433.

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The objective of this work was to define potential problems for storage field operators who stored non-traditional (supplemental) gas supplies (imported LNG, synthetic natural gas, peakshaving gases, etc.) in reservoirs originally using natural gas from traditional sources. Findings indicated that changes in storage field performance could be expected, including changed field inventory, deliverability and base gas requirements. The degree to which supplemental and traditional gases mix in storage reservoirs was identified as the key issue with respect to accounting for and dealing with these c
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Khorana, Sangeeta, Inmaculada Martínez-Zarzoso, and Salamat Ali. The Impact of COVID-19 on the Global and Intra- Commonwealth Trade in Goods. Commonwealth Secretariat, 2021. https://doi.org/10.14217/comsec.333.

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This paper employs the gravity model of international trade to examine the effect of the COVID-19 pandemic on global and intra-Commonwealth trade flows. It uses bilateral monthly exports data at the HS6 level and the number of COVID-19 cases and deaths, as well as the stringency of measures taken to contain the virus, to estimate the effect of the pandemic on Commonwealth countries’ trade. The study finds that the incidence of COVID-19 in both exporting and importing countries has impacted on Commonwealth trade flows and that the extent of the effect varies with the development level of tradin
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Gnutzmann-Mkrtchyan, Arevik, and Jules Hugot. Gravity-Based Tools for Assessing the Impact of Tariff Changes. Asian Development Bank, 2022. http://dx.doi.org/10.22617/wps220053-2.

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The first tool estimates the impact on bilateral trade for 5,020 products in a partial equilibrium framework. The second quantifies the general equilibrium impact on bilateral aggregate trade, allowing estimates of trade reallocation and welfare changes. The paper uses these to estimate the impact for Armenia of tariff changes including (i) alignment with the external tariff of the Eurasian Economic Union, (ii) free trade agreements between the Eurasian Economic Union and other economies—Iran and the People’s Republic of China, and (iii) loss of beneficiary status for the European Union’s Gene
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Crowley, J. W. Monitoring groundwater changes in southern Ontario using GRACE satellite gravity measurements. Natural Resources Canada/ESS/Scientific and Technical Publishing Services, 2019. http://dx.doi.org/10.4095/313577.

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